FreeCalypso > hg > fc-tourmaline
diff src/cs/layer1/cfile/l1_async.c @ 0:4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Fri, 16 Oct 2020 06:23:26 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/layer1/cfile/l1_async.c Fri Oct 16 06:23:26 2020 +0000 @@ -0,0 +1,9878 @@ +/************* Revision Controle System Header ************* + * GSM Layer 1 software + * L1_ASYNC.C + * + * Filename l1_async.c + * Copyright 2003 (C) Texas Instruments + * + ************* Revision Controle System Header *************/ + +//#pragma DUPLICATE_FOR_INTERNAL_RAM_START +#include "l1_macro.h" +#include "l1_confg.h" +//#pragma DUPLICATE_FOR_INTERNAL_RAM_END + +#if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM !=0)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM enabled +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise + + #define L1_ASYNC_C + +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise +#endif + +//#pragma DUPLICATE_FOR_INTERNAL_RAM_START +#if (CODE_VERSION == SIMULATION) + #include <string.h> + #include "l1_types.h" + #include "sys_types.h" + #include "l1_const.h" + #include "l1_signa.h" + #include "cust_os.h" + #if TESTMODE + #include "l1tm_defty.h" + #include "l1tm_signa.h" + #endif + #if (AUDIO_TASK == 1) + #include "l1audio_const.h" + #include "l1audio_cust.h" + #include "l1audio_defty.h" + #endif + #if (L1_GTT == 1) + #include "l1gtt_const.h" + #include "l1gtt_defty.h" + #endif + #if (L1_MP3 == 1) + #include "l1mp3_defty.h" + #endif + #if (L1_MIDI == 1) + #include "l1midi_proto.h" + #include "l1midi_defty.h" + #endif +//ADDED FOR AAC + #if (L1_AAC == 1) + #include "l1aac_defty.h" + #endif + #if (L1_DYN_DSP_DWNLD == 1) + #include "l1_dyn_dwl_signa.h" + #endif + + #include "l1_defty.h" + #include "l1_msgty.h" + #include "l1_varex.h" + #include "l1_proto.h" + #include "l1_mftab.h" + + #if L1_GPRS + #include "l1p_mfta.h" + #include "l1p_msgt.h" + #include "l1p_cons.h" + #include "l1p_deft.h" + #include "l1p_vare.h" + #include "l1p_sign.h" + #endif + + #include "l1_tabs.h" + + #if (VCXO_ALGO == 1) + #include "l1_ctl.h" + #endif + + #if L2_L3_SIMUL + #include "hw_debug.h" + #endif +#else + #include <string.h> + #include "l1_types.h" + #include "sys_types.h" + #include "l1_const.h" + #include "l1_time.h" + #include "l1_signa.h" + #include "cust_os.h" + #if TESTMODE + #include "l1tm_defty.h" + #include "l1tm_signa.h" + #endif + #if (AUDIO_TASK == 1) + #include "l1audio_const.h" + #include "l1audio_cust.h" + #include "l1audio_defty.h" + #include "l1audio_signa.h" + #endif + #if (L1_GTT == 1) + #include "l1gtt_const.h" + #include "l1gtt_defty.h" + #endif + #if (L1_MP3 == 1) + #include "l1mp3_defty.h" + #include "l1mp3_signa.h" + #endif + #if (L1_MIDI == 1) + #include "l1midi_proto.h" + #include "l1midi_defty.h" + #endif +//ADDED FOR AAC + #if (L1_AAC == 1) + #include "l1aac_defty.h" + #include "l1aac_signa.h" + #endif + #if (L1_DYN_DSP_DWNLD == 1) + #include <stdio.h> + #include "l1_dyn_dwl_signa.h" + #endif + + #include "l1_defty.h" + #include "l1_msgty.h" + #include "l1_varex.h" + #include "l1_proto.h" + #include "l1_mftab.h" + + #if L1_GPRS + #include "l1p_mfta.h" + #include "l1p_msgt.h" + #include "l1p_cons.h" + #include "l1p_deft.h" + #include "l1p_vare.h" + #include "l1p_sign.h" + #endif + + #include "l1_tabs.h" + + #if L1_RECOVERY + #if ((CHIPSET == 12) || (CHIPSET == 15)) + #include "sys_inth.h" + #else + #include "iq.h" + #include "inth.h" + #include "mem.h" + #endif + + #endif + + #if (VCXO_ALGO == 1) + #include "l1_ctl.h" + #endif + + #if L2_L3_SIMUL + #include "hw_debug.h" + #endif + + #if (OP_L1_STANDALONE == 1) + #include "dynamic_clock.h" + #endif +#endif + +// External function prototypes +extern void l1ctl_gauging (UWORD32 nb_32khz, UWORD32 nb_hf); +extern void l1_tpu_init_light(void); +extern void tm_receive(UWORD8 *inbuf, UWORD16 size); + +#if L1_RECOVERY + extern void l1_initialize_for_recovery(void); + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + extern void l1_trace_recovery(void); + #endif +#endif + +#if (L1_GTT == 1) + extern void l1a_mmi_gtt_process (xSignalHeaderRec *msg); +#endif + +#if(L1_DYN_DSP_DWNLD == 1) + extern void l1a_dyn_dsp_dwnld_process(xSignalHeaderRec *msg); +#endif + +#if (AUDIO_TASK == 1) + /**************************************/ + /* External audio prototypes */ + /**************************************/ + #if (OP_RIV_AUDIO == 1) + #if (L1_AUDIO_DRIVER == 1) + // driver task + extern void l1a_audio_driver_process (xSignalHeaderRec *msg); + #endif + #endif + #if (KEYBEEP) + // Keybeep task process + extern void l1a_mmi_keybeep_process (xSignalHeaderRec *msg); + #endif + #if (TONE) + // Keybeep task process + extern void l1a_mmi_tone_process (xSignalHeaderRec *msg); + #endif + #if (L1_CPORT == 1) + // Cport task process + extern void l1a_mmi_cport_process (xSignalHeaderRec *msg); + #endif + #if (MELODY_E1) + // Melody 0 task process + extern void l1a_mmi_melody0_process (xSignalHeaderRec *msg); + // Melody 1 task process + extern void l1a_mmi_melody1_process (xSignalHeaderRec *msg); + #endif + #if (VOICE_MEMO) + // Voice memo playing process + extern void l1a_mmi_vm_playing_process (xSignalHeaderRec *msg); + // Voice memo recording process + extern void l1a_mmi_vm_recording_process (xSignalHeaderRec *msg); + #endif + #if (L1_PCM_EXTRACTION) + /* PCM download process */ + void l1a_mmi_pcm_download_process (xSignalHeaderRec *msg); + /* PCM upload process */ + void l1a_mmi_pcm_upload_process (xSignalHeaderRec *msg); + #endif + #if (L1_VOICE_MEMO_AMR) + // Voice memo amr playing process + extern void l1a_mmi_vm_amr_playing_process (xSignalHeaderRec *msg); + // Voice memo amr recording process + extern void l1a_mmi_vm_amr_recording_process(xSignalHeaderRec *msg); + #endif + #if (SPEECH_RECO) + // Speech recognition enrollment process + extern void l1a_mmi_sr_enroll_process (xSignalHeaderRec *msg); + // Speech recognition update process + extern void l1a_mmi_sr_update_process (xSignalHeaderRec *msg); + // Speech recognition reco process + extern void l1a_mmi_sr_reco_process (xSignalHeaderRec *msg); + // Speech recognition update-check process + extern void l1a_mmi_sr_update_check_process (xSignalHeaderRec *msg); + #endif + #if (AEC) + // AEC process + extern void l1a_mmi_aec_process (xSignalHeaderRec *msg); + #endif + #if (FIR) + // FIR process + extern void l1a_mmi_fir_process (xSignalHeaderRec *msg); + #endif + #if (AUDIO_MODE) + // AUDIO MODE process + extern void l1a_mmi_audio_mode_process (xSignalHeaderRec *msg); + #endif + #if (MELODY_E2) + extern void l1a_mmi_melody0_e2_process (xSignalHeaderRec *msg); + extern void l1a_mmi_melody1_e2_process (xSignalHeaderRec *msg); + #endif + #if (L1_MP3 == 1) + extern void l1a_mmi_mp3_process (xSignalHeaderRec *msg); + #endif +//ADDED FOR AAC + #if (L1_AAC == 1) + extern void l1a_mmi_aac_process (xSignalHeaderRec *msg); + #endif + #if (L1_EXTERNAL_AUDIO_VOICE_ONOFF == 1 || L1_EXT_MCU_AUDIO_VOICE_ONOFF == 1) + extern void l1a_mmi_audio_onoff_process (xSignalHeaderRec *msg); + #endif + #if (L1_EXT_AUDIO_MGT == 1) + // External audio_mgt task process + extern void l1a_mmi_ext_audio_mgt_process (xSignalHeaderRec *msg); + #endif + #if (L1_ANR == 1 || L1_ANR == 2) + extern void l1a_mmi_anr_process (xSignalHeaderRec *msg); + #endif + #if (L1_IIR == 1 || L1_IIR == 2) + extern void l1a_mmi_iir_process (xSignalHeaderRec *msg); + #endif + #if (L1_WCM == 1) + extern void l1a_mmi_wcm_process (xSignalHeaderRec *msg); + #endif + #if (L1_AGC_UL == 1) + extern void l1a_mmi_agc_ul_process (xSignalHeaderRec *msg); + #endif + #if (L1_AGC_DL == 1) + extern void l1a_mmi_agc_dl_process (xSignalHeaderRec *msg); + #endif +#if (L1_DRC == 1) + extern void l1a_mmi_drc_process (xSignalHeaderRec *msg); + #endif + #if (L1_LIMITER == 1) + extern void l1a_mmi_limiter_process (xSignalHeaderRec *msg); + #endif + #if (L1_ES == 1) + extern void l1a_mmi_es_process (xSignalHeaderRec *msg); + #endif + #if (L1_VOCODER_IF_CHANGE == 1) + extern void l1a_mmi_vocoder_cfg_process (xSignalHeaderRec *msg); + + #endif //VOCODER_IF_CHANGE == 1 + + #if(L1_BT_AUDIO ==1) + extern void l1a_mmi_bt_process(xSignalHeaderRec *msg); + #endif + + extern void l1a_mmi_outen_cfg_process (xSignalHeaderRec *msg); +#endif + +#if(L1_CHECK_COMPATIBLE == 1) + extern void l1a_checkmsg_compatibility (xSignalHeaderRec *msg); +#endif + +#if TESTMODE + void l1a_tmode(xSignalHeaderRec *msg); + #if (OP_L1_STANDALONE == 0) + typedef void (*TM_CALLBACK_FUNC)(UWORD8*, UWORD16); + extern int etm_register(char name[], int mid, int task_id, + UWORD16 addr_id, TM_CALLBACK_FUNC callback); + #endif +#endif + + +#if L1_GPRS + void l1pa_task(xSignalHeaderRec *msg); +#endif + +#if (TRACE_TYPE == 1) ||(TRACE_TYPE == 4) || (TRACE_TYPE == 7) || (TESTMODE) + #include "l1_trace.h" + + extern T_RVT_USER_ID tm_trace_user_id; + extern void l1_trace_configuration(T_RVT_BUFFER trace_msg, UINT16 trace_msg_size); +#endif + +//#pragma DUPLICATE_FOR_INTERNAL_RAM_END + +#if (TRACE_TYPE == 1) ||(TRACE_TYPE == 4) || (TRACE_TYPE == 7) || (TESTMODE) + T_RVT_USER_ID tm_trace_user_id; +#endif + + +#if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM !=0)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM enabled +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise + +/*-------------------------------------------------------*/ +/* l1a_task() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* L1A (Layer 1 Asynchronous) task function. This */ +/* function manages the interface between L3 and L1. It */ +/* is composed with a set of state machine, each machine */ +/* handles a particular GSM functionality. When a */ +/* message is received in L1_C1 message queue, it is */ +/* submitted to every state machine. The one which are */ +/* impacted by the message process it. At the end of */ +/* "l1a_task()" function, a balance routine is called, */ +/* it enables L1S tasks consequently to the state machine*/ +/* requests. */ +/* */ +/*-------------------------------------------------------*/ +void l1a_task(UWORD32 argc, void *argv) +{ + xSignalHeaderRec *msg; + + #if (TRACE_TYPE == 7) + rvt_register_id("L1", &trace_info.l1_trace_user_id, (RVT_CALLBACK_FUNC)NULL); + #endif + + #if ((TESTMODE) && (CODE_VERSION != SIMULATION)) + // Testmode register for UART TX only in standalone L1 + #if (OP_L1_STANDALONE == 0) + // Register the tm_receive func. as the TM3 packet receptor in the ETM database + etm_register("TML1", 0x0, 0, 0, tm_receive); // 0x00 = use of TM3 Signalling PC<->MS + #else + rvt_register_id("TM", &tm_trace_user_id, tm_receive); + #endif // End of OP_L1_STANDALONE + #endif // End of TESTMODE && (CODE_VERSION != SIMULATION) + + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + // Enable auto-test HW in order to trace versions + trace_info.init_trace = 1; + l1a_l1s_com.l1s_en_task[HWTEST] = TASK_ENABLED; + l1a_l1s_com.l1a_activity_flag = TRUE; + #endif + + while(1) + /*************************************************************/ + /* LOOP on L1A message queue... */ + /*************************************************************/ + { + UWORD8 process; + + /***********************************************/ + /* Wait for a new message from RRM1 or L1S */ + /***********************************************/ + msg = os_receive_sig(L1C1_QUEUE); + DEBUGMSG(status,NU_RCVE_QUEUE_ERR) + + // Reset "l1_msg_forwarded" flag for this new incoming msg. + // ======================================================== + l1a.l1_msg_forwarded = FALSE; + + #if (TRACE_TYPE==1) || (TRACE_TYPE==4) || (TRACE_TYPE==7) + l1_trace_message(msg); + #endif + +#if(L1_CHECK_COMPATIBLE == 1) + l1a_checkmsg_compatibility(msg); +#endif + + #if (DRP_FW_EXT == 1) + if(!l1s.boot_result) + { + #endif /* DRP_FW_EXT*/ +#if (GSM_IDLE_RAM <= 1) + #if TESTMODE + // if NOT in TestMode, go through normal mode processes + if (l1_config.TestMode == 0) + { + #endif + + #if(L1_DYN_DSP_DWNLD==1) + // Dynamic download L1A state machine + l1a_dyn_dsp_dwnld_process(msg); + #endif + + #if L1_GPRS + // Pass the new msg to packet L1A. + l1pa_task(msg); + #endif + + #if TESTMODE + } + #endif +#endif + + #if (GSM_IDLE_RAM != 0) + #if L1_GPRS + if ((msg->SignalCode != L1C_NP_INFO) && + (msg->SignalCode != L1C_EP_INFO) && + (msg->SignalCode != L1C_RXLEV_PERIODIC_DONE) && + (msg->SignalCode != L1P_PNP_INFO) && + (msg->SignalCode != L1P_PEP_INFO) && + (l1a_l1s_com.mode == I_MODE)) + #else + if ((msg->SignalCode != L1C_NP_INFO) && + (msg->SignalCode != L1C_EP_INFO) && + (msg->SignalCode != L1C_RXLEV_PERIODIC_DONE) && + (l1a_l1s_com.mode == I_MODE)) + #endif + + #if (GSM_IDLE_RAM > 1) // GPF modified for GSM_IDLE_RAM -> SW still running in Internal RAM + { + #endif + { + l1s.gsm_idle_ram_ctl.l1s_full_exec = TRUE; + } + + #endif // GSM_IDLE_RAM + + // Clear L1A "enable meas and tasks" variables. + //--------------------------------------------- + for(process=0; process<NBR_L1A_PROCESSES; process++) + { + l1a.l1a_en_meas[process] = NO_TASK; + } + + // Go through all processes... + /******************************/ + +#if TESTMODE + // if NOT in TestMode, go through normal mode processes + if (l1_config.TestMode == 0) + { +#endif + + // Hardware test: + //--------------- + l1a_test_process(msg); + + #if (OP_L1_STANDALONE == 1) + // Dynamic configuration : clock management for test + l1a_test_config_process(msg); + #endif + + #if (TRACE_TYPE==3) + // Statistics or Test process: + //--------------------------- + l1a_stats_process(msg); + #endif + + // ADC conversion: + //---------------- + l1a_mmi_adc_req(msg); + + // Frequency Band configuration: GSM900, E-GSM900, DCS1800, DUAL, DUALEXT, PCS 1900 + //---------------------------------------------------------------------------------- + l1a_freq_band_configuration(msg); + + // Network synchronization process: + //--------------------------------- + + // Synchronization with a Neighbour cell for Cell Selection. + l1a_initial_network_sync_process(msg); + + // lost Network + l1a_network_lost(msg); + + // Cell Selection/Idle processes: + //------------------------------- + + // Full list receive level monitoring. + l1a_full_list_meas_process(msg); + + // 6 strongest Neighbor cells synchro. monitoring. + l1a_idle_6strongest_monitoring_process(msg); + + // 6 strongest Neighbor cells BCCH reading. + l1a_neighbour_cell_bcch_reading_process(msg); + + // Serving Cell BCCH reading. + l1a_idle_serving_cell_bcch_reading_process(msg); +#if (GSM_IDLE_RAM <= 1) + // Serving Cell PAGING reading. + l1a_idle_serving_cell_paging_process(msg); +#endif + // Short Message Servive Cell Broadcast reading. + l1a_idle_smscb_process(msg); +#if (GSM_IDLE_RAM <= 1) + // BA list (periodic) power monitoring. + l1a_idle_ba_list_meas_process(msg); +#endif + + // Cell Reselection processes: + //---------------------------- + + // Synchronization and requested BCCH reading. + // --> camp on new serving cell. + l1a_cres_process(msg); + + + // Connection Establishment processes (also called "Link Access"): + //---------------------------------------------------------------- + + // Link Access process. + l1a_access_process(msg); + + + // Dedicated mode processes: + //-------------------------- + + // Dedicated mode process. + l1a_dedicated_process(msg); + + // 6 strongest Neighbor cells synchro. monitoring and BCCH reading. + l1a_dedic6_process(msg); + + // BA list (periodic) power monitoring. + l1a_dedic_ba_list_meas_process(msg); + + #if (L1_GTT == 1) + // GTT process handling. + l1a_mmi_gtt_process(msg); + #endif + + #if (AUDIO_TASK == 1) + #if (OP_RIV_AUDIO == 1) + #if (L1_AUDIO_DRIVER == 1) + l1a_audio_driver_process(msg); + #endif + #endif + #if (KEYBEEP) + // Keybeep task process + l1a_mmi_keybeep_process(msg); + #endif + #if (TONE) + // Tone task process + l1a_mmi_tone_process(msg); + #endif + #if (L1_CPORT == 1) + // Cport task process + l1a_mmi_cport_process(msg); + #endif + #if (MELODY_E1) + // Melody 0 task process + l1a_mmi_melody0_process(msg); + // Melody 1 task process + l1a_mmi_melody1_process(msg); + #endif + #if (VOICE_MEMO) + // Voice memo playing process + l1a_mmi_vm_playing_process(msg); + // Voice memo recording process + l1a_mmi_vm_recording_process(msg); + #endif + #if (L1_PCM_EXTRACTION) + /* PCM download process */ + l1a_mmi_pcm_download_process(msg); + /* PCM upload process */ + l1a_mmi_pcm_upload_process(msg); + #endif + #if (L1_VOICE_MEMO_AMR) + // Voice memo amr playing process + l1a_mmi_vm_amr_playing_process(msg); + // Voice memo amr recording process + l1a_mmi_vm_amr_recording_process(msg); + #endif + #if (SPEECH_RECO) + // Speech recognition enrollment process + l1a_mmi_sr_enroll_process(msg); + // Speech recognition update process + l1a_mmi_sr_update_process(msg); + // Speech recognition reco process + l1a_mmi_sr_reco_process(msg); + // Speech recognition update-check process + l1a_mmi_sr_update_check_process(msg); + #endif + #if (AEC) + // AEC process + l1a_mmi_aec_process(msg); + #endif + #if (FIR) + // FIR process + l1a_mmi_fir_process(msg); + #endif + #if (AUDIO_MODE) + // AUDIO MODE process + l1a_mmi_audio_mode_process(msg); + #endif + #if (MELODY_E2) + // MELODY E2 process + l1a_mmi_melody0_e2_process(msg); + l1a_mmi_melody1_e2_process(msg); + #endif + #if (L1_MP3==1) + // MP3 process + l1a_mmi_mp3_process(msg); + #endif + #if (L1_MIDI==1) + // MIDI process + l1a_mmi_midi_process(msg); + #endif +//ADDED FOR AAC + #if (L1_AAC==1) + // AAC process + l1a_mmi_aac_process(msg); + #endif + #if (L1_EXTERNAL_AUDIO_VOICE_ONOFF == 1 || L1_EXT_MCU_AUDIO_VOICE_ONOFF == 1) + l1a_mmi_audio_onoff_process(msg); + #endif + #if (L1_EXT_AUDIO_MGT == 1) + // External audio_mgt task process + l1a_mmi_ext_audio_mgt_process(msg); + #endif + #if (L1_ANR == 1 || L1_ANR == 2) + l1a_mmi_anr_process(msg); + #endif + #if (L1_IIR == 1 || L1_IIR == 2) + l1a_mmi_iir_process(msg); + #endif + #if (L1_AGC_UL == 1) + l1a_mmi_agc_ul_process(msg); + #endif + #if (L1_AGC_DL == 1) + l1a_mmi_agc_dl_process(msg); + #endif + #if (L1_WCM == 1) + l1a_mmi_wcm_process(msg); + #endif + #if (L1_DRC == 1) + l1a_mmi_drc_process(msg); + #endif + #if (L1_LIMITER == 1) + l1a_mmi_limiter_process(msg); + #endif + #if (L1_ES == 1) + l1a_mmi_es_process(msg); + #endif + #if (L1_VOCODER_IF_CHANGE == 1) + l1a_mmi_vocoder_cfg_process(msg); + #endif // L1_VOCODER_IF_CHANGE == 1 + #if(L1_BT_AUDIO ==1) + l1a_mmi_bt_process(msg); + #endif // L1_VOCODER_IF_CHANGE == 1 + /* + * FreeCalypso Frankenstein: the following call to + * l1a_mmi_outen_cfg_process() was totally unconditional + * in the LoCosto source we got, but no such function + * exists in TCS211. To be investigated further when + * we reach the audio stuff. + */ + #if 0 + l1a_mmi_outen_cfg_process(msg); + #endif + #endif //AUDIO TASK + + // Only processes supported by GSM IDLE in Internal RAM + #if (GSM_IDLE_RAM > 1) + #if L1_GPRS + if ((msg->SignalCode >> 8) == P_GPRS) + l1pa_task(msg); + #endif + + // Serving Cell PAGING reading. + l1a_idle_serving_cell_paging_process(msg); + + // BA list (periodic) power monitoring. + l1a_idle_ba_list_meas_process(msg); + #endif // GSM_IDLE_RAM > 1 + +#if TESTMODE + } // end if not in TestMode + + //TestMode State Machine + l1a_tmode(msg); +#endif // TESTMODE + + // Make a balance for L1A "tasks and meas tasks". + //=============================================== + l1a_balance_l1a_tasks(); + + l1a_l1s_com.l1a_activity_flag = TRUE; +#if (DRP_FW_EXT == 1) + } /* end if DRP boot success boot_result == 0 */ +#endif + + // Deallocate memory for the received message if msg not forwarded to L3. + // ---------------------------------------------------------------------- + if(l1a.l1_msg_forwarded == FALSE) + { + os_free_sig(msg); + DEBUGMSG(status,NU_DEALLOC_ERR) + } + } // end while(). +} // end of procedure. + +//----------------------------------------------------------------------------------------------- + +/*-------------------------------------------------------*/ +/* l1a_balance_l1a_tasks() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* This function enables the L1S tasks consequently to */ +/* the L1A state machine requests. */ +/* */ +/*-------------------------------------------------------*/ +void l1a_balance_l1a_tasks() +{ + UWORD8 process; + UWORD32 l1a_en_meas = 0; +#if L1_GPRS + UWORD32 l1pa_en_meas = 0; +#endif + UWORD32 l1a_dl_en_task = 0; + + for(process=0; process<NBR_L1A_PROCESSES; process++) + { + // Balance for measurement tasks. + l1a_en_meas |= l1a.l1a_en_meas[process]; + } + + #if L1_GPRS + for(process=0; process<NBR_L1PA_PROCESSES; process++) + { + // Balance for measurement tasks. + l1pa_en_meas |= l1pa.l1pa_en_meas[process]; + } + + // Balance for Packet measurement tasks. + l1pa_l1ps_com.l1ps_en_meas |= l1pa_en_meas; + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_l1tsk(l1pa_en_meas, l1pa.l1pa_en_meas); + #endif + + #endif + + // Balance for measurement tasks. + l1a_l1s_com.l1s_en_meas |= l1a_en_meas; + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_l1tsk(l1a_en_meas, l1a.l1a_en_meas); + #endif + +} // end of procedure. + +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END +#endif +//----------------------------------------------------------------------------------------------- + +#if (TRACE_TYPE==3) +/*-------------------------------------------------------*/ +/* l1a_stats_process() */ +/*-------------------------------------------------------*/ +/* Description : This function handles statistics */ +/* or test mode setting. */ +/* */ +/* Starting messages: L1_STATS_REQ. */ +/* L1_PLAY_REQ. */ +/* */ +/* Result messages (input): none */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_stats_process(xSignalHeaderRec *msg) +{ + UWORD32 SignalCode = msg->SignalCode; + + if(SignalCode == L1_STATS_REQ) + { + // store type of burst to spy... + l1_stats.type = ((T_L1_STATS_REQ *)(msg->SigP))->type; + // initialize variables and buffer for statistics... + initialize_stats(); + } +} +#endif + +/*-------------------------------------------------------*/ +/* l1a_test_process() */ +/*-------------------------------------------------------*/ +/* Description : This function tests hardware and DSP. */ +/* */ +/* Starting messages: TST_TEST_HW_REQ */ +/* */ +/* Result messages (input): TST_TEST_HW_CON */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_test_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_RESULT = 2 + }; + + UWORD8 *state = &l1a.state[HW_TEST]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + + + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + if (trace_info.init_trace == 1) + { + *state = WAIT_RESULT; + + if(SignalCode == TST_TEST_HW_REQ) + { + trace_info.init_trace = 0; + } + } + #endif + + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset tasks used in the process. + l1a_l1s_com.l1s_en_task[HWTEST] = TASK_DISABLED; // Clear task enable flag. + + } + break; + + case WAIT_INIT: + { + // Use incoming message + //--------------------- + if(SignalCode == TST_TEST_HW_REQ) + { + *state = WAIT_RESULT; + + // set tasks used in the process. + l1a_l1s_com.l1s_en_task[HWTEST] = TASK_ENABLED; // Set task enable flag. + } + // End of process. + end_process = 1; + + } + break; + + case WAIT_RESULT: + { + + // Use incoming message + //--------------------- + if(SignalCode == L1_TEST_HW_INFO) + { + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + if (trace_info.init_trace == 0) + #endif + // Forward result message to L3. + l1a_send_result(TST_TEST_HW_CON, msg, RRM1_QUEUE); + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + else + trace_info.init_trace = 0; + #endif + + *state = RESET; + } + else + { + end_process = 1; + } + } + break; + } + } +} + +#if (OP_L1_STANDALONE == 1) +/*-------------------------------------------------------*/ +/* l1a_test_config_process() */ +/*-------------------------------------------------------*/ +/* Description : This function allows modify the original*/ +/* initialization of hardware parameters */ +/* like for example clock configuration. */ +/* */ +/* Starting messages: TST_HW_CONFIG_REQ */ +/* TST_SW_CONFIG_REQ */ +/* */ +/* Result messages (input): none */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_test_config_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1 + }; + + UWORD8 *state = &l1a.state[HSW_CONF]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // step in state machine. + *state = WAIT_INIT; + + // Reset tasks used in the process. + //l1a_l1s_com.l1s_en_task[HSWCONF] = TASK_DISABLED; // Clear task enable flag. + } + break; + + case WAIT_INIT: + { + if(SignalCode == TST_HW_CONFIG_REQ) + /* + * Depending on the arguments of the message, + * actions are different (clock config, ABB config, ...). + * The first argument is for clock configuration. + */ + { + #if (CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || \ + (CHIPSET == 11) || (CHIPSET == 12) || (CHIPSET == 15) + /* Only SAMSON/CALYPSO families are considered for dynamic clock configuration.*/ + UWORD8 d_clock_cfg; // Num of selected clock configuration. + + /* + * Read num of selected clock configuration as first arg of message + */ + d_clock_cfg = ((T_TST_HW_CONFIG_REQ *)(msg->SigP))->num_of_clock_cfg; + + /* + * Check if dynamic clock configuration requested. + * If FFh, no dynamic clock configuration is requested. + */ + #if (CODE_VERSION != SIMULATION) + if (d_clock_cfg != C_CLOCK_NO_CFG) + { + /* If wrong index, keep the current clock configuration unchanged */ + f_dynamic_clock_cfg(d_clock_cfg); + } + #endif + /* Only SAMSON/CALYPSO families are considered for dynamic clock configuration.*/ + #endif // CHIPSET = 4 or 7 or 8 or 10 or 11 or 12 + + // set tasks used in the process. + //l1a_l1s_com.l1s_en_task[HSWCONF] = TASK_ENABLED; // Set task enable flag. + + // step in state machine. + *state = RESET; + } + + if(SignalCode == TST_SW_CONFIG_REQ) + /* + * Depending on the arguments of the message, + * actions are different. + */ + { + #if IDS + l1_config.ids_enable = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->ids_enable; + #endif + + l1_config.facch_test.enable = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->facch_test.enable; + l1_config.facch_test.period = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->facch_test.period; + + if ((l1_config.facch_test.enable) && + (l1_config.facch_test.period == 0)) + { + l1_config.facch_test.period = 1; + } + + // set tasks used in the process. + //l1a_l1s_com.l1s_en_task[HSW_CONF] = TASK_ENABLED; // Set task enable flag. + + // step in state machine. + *state = RESET; + } + // End of process. + end_process = 1; + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. +#endif // OP_L1_STANDALONE + + +/*-------------------------------------------------------*/ +/* l1a_mmi_adc_req () */ +/*-------------------------------------------------------*/ +/* Description : This function is in charge of requesting*/ +/* L1 to trigger an ADC conversion sequence*/ +/* */ +/* Starting messages: MMI_ADC_REQ */ +/* */ +/* Result messages (input): none */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_mmi_adc_req(xSignalHeaderRec *msg) +{ + UWORD32 SignalCode = msg->SignalCode; + UWORD8 *state = &l1a.state[I_ADC]; + + enum states + { + RESET = 0, + WAIT_INIT = 1 + }; + + BOOL end_process = 0; + + while(!end_process) + { + switch(*state) + { + case RESET: + { + l1a_l1s_com.adc_cpt = 0; + l1a_l1s_com.adc_mode = ADC_DISABLED; + + // Disable ADC tasks used in CS_MODE0 + l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_DISABLED; // Reset ADC task enable flag. + + // Step in state machine. + *state = WAIT_INIT; + } + break; + + case WAIT_INIT: + { + // Use incoming message + //--------------------- + if(SignalCode == MMI_ADC_REQ) + { + UWORD8 tx_flag; + + tx_flag = ((T_MMI_ADC_REQ *)(msg->SigP))-> tx_flag; + l1a_l1s_com.adc_traffic_period = ((T_MMI_ADC_REQ *)(msg->SigP))-> traffic_period; + l1a_l1s_com.adc_idle_period = ((T_MMI_ADC_REQ *)(msg->SigP))-> idle_period; + + // ------------------------------- + // Activation for Idle and CS_MODE + // ------------------------------- + + l1a_l1s_com.adc_mode = ADC_DISABLED; + l1a_l1s_com.adc_cpt = 0; + + if (l1a_l1s_com.adc_idle_period == 0) + { // performed only one time + l1a_l1s_com.adc_mode |= ADC_NEXT_NORM_PAGING + | ADC_NEXT_MEAS_SESSION + | ADC_NEXT_CS_MODE0 ; + } + else + { // performed on each periode + l1a_l1s_com.adc_mode |= ADC_EACH_NORM_PAGING + | ADC_EACH_MEAS_SESSION + | ADC_EACH_CS_MODE0 ; + } + + // ---------------------------------------------------------- + // Activation for Dedicated and Connection Establishment mode + // ---------------------------------------------------------- + if (tx_flag == 1) // ADC is performed inside a TX burst + { + l1a_l1s_com.adc_mode |= ADC_EACH_RACH; // traffic_period is meaningless for RACH / PRACH + + if (l1a_l1s_com.adc_traffic_period == 0) + { // performed only one time + l1a_l1s_com.adc_mode |= ADC_NEXT_TRAFFIC_UL; + } + else + { // performed on each periode + l1a_l1s_com.adc_mode |= ADC_EACH_TRAFFIC_UL; + } + } + else // ADC is performed outside a TX burst + { + if (l1a_l1s_com.adc_traffic_period == 0) + { // performed only one time + l1a_l1s_com.adc_mode |= ADC_NEXT_TRAFFIC_DL; + } + else + { // performed on each periode + l1a_l1s_com.adc_mode |= ADC_EACH_TRAFFIC_DL; + } + + if (l1a_l1s_com.adc_idle_period == 0) + { // performed only one time + l1a_l1s_com.adc_mode |= ADC_NEXT_NORM_PAGING_REORG; + } + else + { // performed on each periode + l1a_l1s_com.adc_mode |= ADC_EACH_NORM_PAGING_REORG; + } + } + l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_ENABLED; // enable ADC task for CS_MODE0 + } + else + if(SignalCode == MMI_STOP_ADC_REQ) + { + // send confirmation message + l1a_send_confirmation(MMI_STOP_ADC_CON,RRM1_QUEUE); + + // Disable ADC tasks used in CS_MODE0 + // It is mandatory to disable the task here because in CS_MODE0 there is no new messages + // to validate the RESET state in the state machine. + l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_DISABLED; // Reset ADC task enable flag. + + // This process must be reset. + *state = RESET; + } + + // End of process. + end_process = 1; + } + break; + } + } +} + + +/*-------------------------------------------------------*/ +/* l1a_network_lost() */ +/*-------------------------------------------------------*/ +/* Description : This function allows the MS to enter in */ +/* deep sleep while it is performig cell */ +/* selection full power measurement */ +/* */ +/* Starting messages: MPHC_NETWORK_LOST_IND */ +/* */ +/* Result messages (input): none */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_network_lost(xSignalHeaderRec *msg) +{ + UWORD32 SignalCode = msg->SignalCode; + + if(SignalCode == MPHC_NETWORK_LOST_IND) + { + // set new mode in order to allow the deep sleep + l1a_l1s_com.mode = CS_MODE0; + + // reset the gauging algorithm in order to re-compute + // the 32khz/13Mhz when re-enter in IDLE mode. + l1ctl_gauging (0,0); + } +} + +#if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM > 1)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM == 2 +//#pragma GSM_IDLE2_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise + +/*-------------------------------------------------------*/ +/* l1a_idle_ba_list_meas_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles neigbor cell */ +/* measurement process in IDLE mode with BA list. */ +/* */ +/* Starting messages: MPHC_RXLEV_PERIODIC_REQ */ +/* ------------------ */ +/* L1 starts then the periodic BA list receive level */ +/* monitoring. */ +/* */ +/* Subsequent messages: MPHC_RXLEV_PERIODIC_REQ */ +/* -------------------- */ +/* L1 changes the BA list and starts the periodic BA */ +/* list receive level monitoring with this new list. */ +/* */ +/* Result messages (input): L1C_RXLEV_PERIODIC_DONE */ +/* ------------------------ */ +/* This is the periodic reporting message from L1s. */ +/* */ +/* Result messages (output): MPHC_RXLEV_PERIODIC_IND */ +/* ------------------------- */ +/* This is the periodic reporting message to L3. */ +/* */ +/* Reset messages (input): MPHC_STOP_RXLEV_PERIODIC_REQ*/ +/* ----------------------- */ +/* BA list neigbor cell measurement process in IDLE */ +/* is stopped by this message. */ +/* */ +/*-------------------------------------------------------*/ +void l1a_idle_ba_list_meas_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_RESULT = 3 + }; + + UWORD8 *state = &l1a.state[I_NMEAS]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // step in state machine. + *state = WAIT_INIT; + + // Reset I_NMEAS process. + l1a_l1s_com.l1s_en_meas &= I_BAMS_MEAS_MASK; // Reset I_BAMS Measurement enable flag. + } + break; + + case WAIT_INIT: + { + if(SignalCode == MPHC_RXLEV_PERIODIC_REQ) + // We receive the BA list to be monitored. + //---------------------------------------- + { + UWORD8 ba_id; + UWORD8 nbchans; + TC_CHAN_LIST *listptr; + UWORD8 next_radio_freq_measured; + UWORD8 i; + + nbchans = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->num_of_chans; + listptr = &(((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->chan_list); + ba_id = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->ba_id; + next_radio_freq_measured + = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->next_radio_freq_measured; + // Set parameter synchro semaphore for I_BAMS task. + l1a_l1s_com.meas_param |= I_BAMS_MEAS; + + // Reset the BA list structure. + l1a_reset_ba_list(); + + // Store ARFCN list in the BA structure. + for(i=0;i<nbchans;i++) + l1a_l1s_com.ba_list.A[i].radio_freq = listptr->A[i]; + + // Set number of carrier in the BA list. + l1a_l1s_com.ba_list.nbr_carrier = nbchans; + + // Set BA identifier. + l1a_l1s_com.ba_list.ba_id = ba_id; + + // Carrier for next power measurement control. + l1a_l1s_com.ba_list.next_to_ctrl = next_radio_freq_measured; + // Carrier for next power measurement result. + l1a_l1s_com.ba_list.next_to_read = next_radio_freq_measured; + // Set first BA index measured in current session. + l1a_l1s_com.ba_list.first_index = next_radio_freq_measured; + + // Enable BA list measurement task. + l1a.l1a_en_meas[I_NMEAS] |= I_BAMS_MEAS; + + // step in state machine. + *state = WAIT_RESULT; + } + + // End of process. + end_process = 1; + } + break; + + case WAIT_RESULT: + { + if(SignalCode == L1C_RXLEV_PERIODIC_DONE) + // One bunch of measurement has been completed. + //--------------------------------------------- + { + // Forward result message to L3. + l1a_send_result(MPHC_RXLEV_PERIODIC_IND, msg, RRM1_QUEUE); + + // End of process. + return; + } + + else + #if (L1_GPRS) + if((SignalCode == MPHC_STOP_RXLEV_PERIODIC_REQ) || + (SignalCode == L1P_TRANSFER_DONE) || + (SignalCode == L1C_DEDIC_DONE)) + #else + if((SignalCode == MPHC_STOP_RXLEV_PERIODIC_REQ) || + (SignalCode == L1C_DEDIC_DONE)) + #endif + // Request to STOP this activity. + //------------------------------- + { + // send confirmation message + l1a_send_confirmation(MPHC_STOP_RXLEV_PERIODIC_CON,RRM1_QUEUE); + // This process must be reset. + *state = RESET; + } + + else + if (SignalCode == MPHC_RXLEV_PERIODIC_REQ) + { + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise +#endif + +/*-------------------------------------------------------*/ +/* l1a_full_list_meas_process() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* This function is a state machine which handles the */ +/* Cell Selection Full List Power Measurement L1/L3 */ +/* interface and it handles the neigbour cell */ +/* measurement process in IDLE mode with FULL list. */ +/* When a message MPHC_RXLEV_REQ is received */ +/* the L1S task FSMS_MEAS is enabled. When this task */ +/* is completed a reporting message L1C_VALID_MEAS_INFO */ +/* is received and forwarded to L3. */ +/* */ +/* Starting messages: MPHC_RXLEV_REQ. */ +/* */ +/* Result messages (input): L1C_VALID_MEAS_INFO */ +/* */ +/* Result messages (output): MPHC_RXLEV_IND */ +/* */ +/* Reset messages (input): none */ +/* */ +/* Stop message (input): MPHC_STOP_RXLEV_REQ */ +/* */ +/* Stop message (output): MPHC_STOP_RXLEV_CON */ +/* */ +/* Rem: */ +/* ---- */ +/* L3 is in charge of the number of pass to follow the */ +/* GSM recommendation. */ +/* */ +/*-------------------------------------------------------*/ +void l1a_full_list_meas_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_RESULT = 2 + }; + + UWORD8 *state = &l1a.state[FULL_MEAS]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset FULL_MEAS process. + l1a_l1s_com.l1s_en_meas &= FSMS_MEAS_MASK; // Clear Cell Selection Measurement enable flag. + } + break; + + case WAIT_INIT: + { + if(SignalCode == MPHC_RXLEV_REQ) + // Request to enter the Cell Selection measurements. + //-------------------------------------------------- + { + UWORD16 i; + + #if L1_RECOVERY + // check whether we need to recover L1 + if (l1a_l1s_com.recovery_flag == TRUE) + { + // recovery only allowed during cell selection to avoid side effects + // Transition rules: MPHC_RXLEV_REQ may also be sent in idle mode or packet idle mode + // check whether idle mode task NP inactive + #if L1_GPRS + if ((l1a_l1s_com.l1s_en_task[NP] == TASK_DISABLED) && + (l1a_l1s_com.l1s_en_task[PNP] == TASK_DISABLED)) + #else + if (l1a_l1s_com.l1s_en_task[NP] == TASK_DISABLED) + #endif + { + #if (CHIPSET == 12) || (CHIPSET == 15) + F_INTH_DISABLE_ONE_IT(C_INTH_FRAME_IT); // disable IT TDMA + #else + INTH_DISABLEONEIT(IQ_FRAME); // disable IT TDMA + #endif + + #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + { + l1_trace_recovery(); + } + #endif + + l1_initialize_for_recovery(); + + // Set SYNCHRO task enable flag in order to call the function l1d_reset_hw + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; + + #if (CHIPSET == 12) || (CHIPSET == 15) + F_INTH_ENABLE_ONE_IT(C_INTH_FRAME_IT); // enable IT TDMA + #else + INTH_ENABLEONEIT(IQ_FRAME); // enable IT TDMA + #endif + } + } + #endif + + // download info from message + l1a_l1s_com.full_list_ptr=(T_MPHC_RXLEV_REQ *)(msg->SigP); + if (l1a_l1s_com.full_list_ptr->power_array_size==0) return; //empty list -> return + + // Set "parameter synchro semaphores" + l1a_l1s_com.meas_param |= FSMS_MEAS; + + // Reset the full list structure. + l1a_reset_full_list(); + + // Reset the Input Level (IL) memory table. + if ((l1a_l1s_com.mode == CS_MODE) || (l1a_l1s_com.mode == CS_MODE0)) + + { +#if (L1_FF_MULTIBAND == 0) + for(i=0; i<=l1_config.std.nbmax_carrier; i++) +#else + for(i=0; i<= NBMAX_CARRIER; i++) +#endif + { + l1a_l1s_com.last_input_level[i].input_level = l1_config.params.il_min; + l1a_l1s_com.last_input_level[i].lna_off = 0; + } + } + + // Enable Cell Selection Full list measurement task. + l1a.l1a_en_meas[FULL_MEAS] |= FSMS_MEAS; + + // Step in state machine. + *state = WAIT_RESULT; + } + + // End of process. + end_process = 1; + } + break; + + case WAIT_RESULT: + { + if(SignalCode == L1C_VALID_MEAS_INFO) + // One valid measurement pass has been completed over the full list of carriers. + //------------------------------------------------------------------------------ + { + //-------------------------------------------------------- + // WE COULD PUT HERE THE CODE TO TRANSLATE IL -> RXLEV !!! + //-------------------------------------------------------- + + // Forward result message to L3. + l1a_send_result(MPHC_RXLEV_IND, msg, RRM1_QUEUE); + + // Reset the machine. + *state = RESET; + } + + else if (SignalCode == MPHC_STOP_RXLEV_REQ) + { + // Forward result message to L3. + l1a_send_confirmation(MPHC_STOP_RXLEV_CON,RRM1_QUEUE); + // Reset the machine. + *state = RESET; + } + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +/*-------------------------------------------------------*/ +/* l1a_cres_process() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* This function is a state machine which handles Cell */ +/* Reselection. */ +/* */ +/* Starting messages: MPHC_NEW_SCELL_REQ */ +/* ------------------ */ +/* L1 camps on the given ARFCN. */ +/* */ +/* Result messages (output): MPHC_NEW_SCELL_CON */ +/* ------------------------- */ +/* */ +/*-------------------------------------------------------*/ +void l1a_cres_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1 + }; + + UWORD8 *state = &l1a.state[CR_B]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + } + break; + + case WAIT_INIT: + { + if(SignalCode == MPHC_NEW_SCELL_REQ) + // Request to enter the Cell Reselection BCCH reading. + //---------------------------------------------------- + // L1 must keep reading the system informations flagged + // in the bitmap. + { + // Reset the Neighbor Cell information structure. + l1a_reset_cell_info(&(l1a_l1s_com.Scell_info)); + + // Reset serving cell E-OTD store on Cell Change + #if ((L1_EOTD == 1) && (L1_EOTD_QBIT_ACC == 1)) + l1a_l1s_com.nsync.serv_fn_offset = 0; + l1a_l1s_com.nsync.serv_time_alignmt = 0; + #endif + + // Download ARFCN, timing information and bitmap from the command message. + l1a_l1s_com.Scell_info.radio_freq = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->radio_freq; + l1a_l1s_com.Scell_info.bsic = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->bsic; + l1a_l1s_com.Scell_info.time_alignmt = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->time_alignmt; + l1a_l1s_com.Scell_info.fn_offset = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->fn_offset; + +#if (L1_FF_MULTIBAND == 1) + { + UWORD8 physical_band_id; + physical_band_id = + l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.Scell_info.radio_freq ); + L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); + } +#endif /*#if (L1_FF_MULTIBAND == 1)*/ + + + // Layer 1 internal mode is set to CS MODE. + l1a_l1s_com.mode = CS_MODE; + + // Set flag for toa init. + #if (TOA_ALGO != 0) + l1a_l1s_com.toa_reset = TRUE; + #endif + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += 0 - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. + + #if L1_GPRS + // Select GSM DSP Scheduler. + l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; + #endif + + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + // Step in state machine. + *state = RESET; + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_NEW_SCELL_CON,RRM1_QUEUE); + + // End of process. + end_process = 1; + } + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + + +/*-------------------------------------------------------*/ +/* l1a_neighbour_cell_bcch_reading_process() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* This function is a state machine which handles the */ +/* BCCH reading from up to 6 neighbour cells */ +/* */ +/* Starting messages: MPHC_NCELL_BCCH_REQ */ +/* ------------------ */ +/* */ +/* Result messages (input): L1C_BCCHN_INFO */ +/* ------------------------ */ +/* */ +/* Result messages (output): MPHC_NCELL_BCCH_IND */ +/* ------------------------- */ +/* */ +/* Reset messages (input): MPHC_STOP_NCELL_BCCH_REQ */ +/* ----------------------- (MPHC_STOP_NCELL_BCCH_CON) */ +/* */ +/*-------------------------------------------------------*/ +void l1a_neighbour_cell_bcch_reading_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + BCCHN_CONFIG = 2, + WAIT_BCCHN_RESULT = 3 + }; + + UWORD8 *state = &l1a.state[I_BCCHN]; + UWORD32 SignalCode = msg->SignalCode; + UWORD32 time_alignmt; + UWORD32 fn_offset; + UWORD8 task; + + // use only in packet transfer mode + // in this mode only one neighbor is allowed to be decoded + // so these variables memorize this neighbor parameters. + static UWORD32 time_alignmt_mem; + static UWORD32 fn_offset_mem; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset CS_MEAS process. + l1a_l1s_com.l1s_en_task[BCCHN] = TASK_DISABLED; // Clear BCCHN task enable flag. + l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_DISABLED; // Clear BCCHN_TOP task enable flag. + #if (L1_GPRS) + l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; // Clear BCCHN_TRAN task enable flag. + #endif + } + break; + + case WAIT_INIT: + { + if(SignalCode == MPHC_NCELL_BCCH_REQ) + // Request to read BCCH from one neighbour cell. + //---------------------------------------------- + { + // there are 3 priorities with BCCH neighbor task + // => TOP PRIORITY: this request has priority over serving cell activity + // and any other neighbor cells activity (used for GPRS). + // In IDLE circuit this priority enable the task BCCHN_TOP + // In Packet Transfer this priority enable the task BCCHN_TRAN + // => HIGH_PRIORITY:this request has priority over the neighbor cell BCCH reading + // with priority set to NORMAL_PRIORITY. + // => NORMAL_PRIORITY:this request has no special priority. + // Note: HIGH_PRIORITY and NORMAL_PRIORITY enable the task BCCHN. + + #if (L1_GPRS) + if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) + task = BCCHN_TRAN; + else + if(((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority == TOP_PRIORITY) + task = BCCHN_TOP; + else + task = BCCHN; + #else + task = BCCHN; + #endif + + // Set semaphores for neighbor BCCH task. + l1a_l1s_com.task_param[task] = SEMAPHORE_SET; + + // Step in state machine. + *state = BCCHN_CONFIG; + } + + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; + + + case BCCHN_CONFIG: + { + // Request to read BCCH from one neighbour cell. + //---------------------------------------------- + + UWORD8 neigh_number = 0; + UWORD8 neigh_id; + + // there are 3 priorities with BCCH neighbor task + // => TOP PRIORITY: this request has priority over serving cell activity + // and any other neighbor cells activity (used for GPRS). + // In IDLE circuit this priority enable the task BCCHN_TOP + // In Packet Transfer this priority enable the task BCCHN_TRAN + // => HIGH_PRIORITY:this request has priority over the neighbor cell BCCH reading + // with priority set to NORMAL_PRIORITY. + // => NORMAL_PRIORITY:this request has no special priority. + // Note: HIGH_PRIORITY and NORMAL_PRIORITY enable the task BCCHN. + + #if (L1_GPRS) + if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) + task = BCCHN_TRAN; + else + if(((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority == TOP_PRIORITY) + task = BCCHN_TOP; + else + task = BCCHN; + #else + task = BCCHN; + #endif + + + #if (L1_GPRS) + //in case of packet transfer mode + //only one neighbor is allowed to be decoded => clear the BCCHN list. + if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) + { + for (neigh_id=0;neigh_id<6;neigh_id++) + l1a_l1s_com.bcchn.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.bcchn.current_list_size = 0; + } + #endif + + // Abort if there is no room for a new neighbour BCCH reading request. + if(l1a_l1s_com.bcchn.current_list_size >= 6) + { + *state = WAIT_BCCHN_RESULT; + return; + } + + // Look for first free location within L1 structure. + while((neigh_number < 6) && (l1a_l1s_com.bcchn.list[neigh_number].status != NSYNC_FREE)) + neigh_number++; + + + // Download neighbour info from request message. + //---------------------------------------------- + + // Download ARFCN, timing information and bitmap from the command message. + time_alignmt_mem = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->time_alignmt; + fn_offset_mem = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->fn_offset; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + time_alignmt =time_alignmt_mem; + fn_offset =fn_offset_mem; + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + + l1a_l1s_com.bcchn.list[neigh_number].radio_freq = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq; + l1a_l1s_com.bcchn.list[neigh_number].fn_offset = fn_offset; + l1a_l1s_com.bcchn.list[neigh_number].time_alignmt = time_alignmt; + l1a_l1s_com.bcchn.list[neigh_number].tsc = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->tsc; + l1a_l1s_com.bcchn.list[neigh_number].bcch_blks_req = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->bcch_blks_req; + + + #if L1_GPRS + // in packet transfer only one priority is allowed : TOP_PRIORITY + if(l1a_l1s_com.mode != PACKET_TRANSFER_MODE) + l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority; + else + l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = TOP_PRIORITY; + #else + l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = NORMAL_PRIORITY; + #endif + + // Enable L1S activity on this new neighbour task BCCH. + l1a_l1s_com.bcchn.list[neigh_number].status = NSYNC_PENDING; + + l1a_l1s_com.bcchn.current_list_size += 1; + + l1a_l1s_com.l1s_en_task[task] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_BCCHN_RESULT; + + // End of process. + end_process = 1; + + } + break; // case BCCHN_CONFIG + + + case WAIT_BCCHN_RESULT: + { + if(SignalCode == L1C_BCCHN_INFO) + // Neighbor cell BCCH reading result. + //----------------------------------- + { + UWORD8 neigh_id = ((T_L1C_BCCHN_INFO *)(msg->SigP))->neigh_id; + UWORD16 neigh_radio_freq = ((T_L1C_BCCHN_INFO *)(msg->SigP))->radio_freq; + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_BCCH_REQ message has been received + // in the same frame than this L1s message) + // BUG_973: an issue occurs when this 3 messages arrives in this order and + // in the same frame MPHC_STOP_NCELL_BCCH_REQ(A) + MPHC_NCELL_BCCH_REQ(B) + this L1s message(A) + // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list + if (neigh_radio_freq != l1a_l1s_com.bcchn.list[neigh_id].radio_freq) + { + // REM: the message is not sent to L3 + + return; // Stay in current state. + } + + // Disable neigh BCCH reading when any of the TC have been read. + l1a_l1s_com.bcchn.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.bcchn.current_list_size -= 1; + + // Forward result message to L3. + l1a_send_result(MPHC_NCELL_BCCH_IND, msg, RRM1_QUEUE); + + // Is it the end of the complete process ? + if(l1a_l1s_com.bcchn.current_list_size == 0) + { + // This process must be reset. + *state = RESET; + } + + else + { + // End of process. + return; + } + } + + else + if(SignalCode == MPHC_NCELL_BCCH_REQ) + // Request to read BCCH from one neighbour cell. + //----------------------------------- + { + // Step in state machine. + *state = BCCHN_CONFIG; + } + + else + if(SignalCode == MPHC_STOP_NCELL_BCCH_REQ) + // Request to STOP neighbour cell activity for certain carriers. + //-------------------------------------------------------------- + { + UWORD8 i,j; + UWORD8 array_size; + + // Disable neighbor BCCH task. + l1a_l1s_com.l1s_en_task[BCCHN] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_DISABLED; + #if (L1_GPRS) + l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; + #endif + + array_size = ((T_MPHC_STOP_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq_array_size; + + if(array_size != 6) + { + // Stop some of the Neighb. synchro. + for(i=0;i<array_size;i++) + { + UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq_array[i]; + + // Search for same value within L1 structure. + j=0; + while(!((radio_freq == l1a_l1s_com.bcchn.list[j].radio_freq) && + (l1a_l1s_com.bcchn.list[j].status != NSYNC_FREE)) && + (j < 6)) + { + j++; + } + + // If found, reset L1 structure for this carrier. + if(j<6) + { + l1a_l1s_com.bcchn.list[j].status = NSYNC_FREE; + l1a_l1s_com.bcchn.current_list_size --; + } + } + } + else + { + // Stop all the Neighb. BCCH reading. + l1a_l1s_com.bcchn.current_list_size = 0; + + for(i=0;i<6;i++) + l1a_l1s_com.bcchn.list[i].status = NSYNC_FREE; + } + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_NCELL_BCCH_CON,RRM1_QUEUE); + + // All neigh synchro have been removed. + if(l1a_l1s_com.bcchn.current_list_size == 0) + { + // This process must be reset. + *state = RESET; + } + else + { + // NOTE: in packet transfer mode only one BCCHN is allowed to be decoded + // so it is impossible to be here after the STOP message in this mode + // The tasks that may be restart are: BCCHN_TOP and/or BCCHN + + // Check if it remains some BCCHN_TOP or BCCHN tasks to restart + for(i=0;i<6;i++) + { + if (l1a_l1s_com.bcchn.list[i].status != NSYNC_FREE) + { + if (l1a_l1s_com.bcchn.list[i].gprs_priority == TOP_PRIORITY) + { + // it remains one BCCHN_TOP task to restart + l1a_l1s_com.task_param[BCCHN_TOP] = SEMAPHORE_SET; + l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_ENABLED; + } + else + { + // it remains one BCCHN task to restart + l1a_l1s_com.task_param[BCCHN] = SEMAPHORE_SET; + l1a_l1s_com.l1s_en_task[BCCHN] = TASK_ENABLED; + } + } + } + + // Stay in current state. + return; + } + } + + #if (L1_GPRS) + else + // End of packet transfer mode if TBF downlink and uplink have been released + if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) + { + l1a_l1s_com.bcchn.list[0].status = NSYNC_FREE; + l1a_l1s_com.bcchn.current_list_size = 0; + + // This process must be reset. + *state = RESET; + } + else + if ((SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1P_TBF_RELEASED) || //change of Time Slot + (SignalCode == L1P_REPEAT_ALLOC_DONE)|| (SignalCode == L1P_ALLOC_EXHAUST_DONE)) + { + // We consider only the case: packet Transfer => packet Transfer,the serving TS may be changed + // For other cases such as Idle -> Transfer... decision not yet taken. + + // update the BCCHN parameters + + // Clear BCCHN_TRAN task enable flag. + l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; + + // Set semaphores for neighbor BCCH task. + l1a_l1s_com.task_param[BCCHN_TRAN] = SEMAPHORE_SET; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + time_alignmt = time_alignmt_mem; + fn_offset = fn_offset_mem; + + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + + l1a_l1s_com.bcchn.list[0].fn_offset = fn_offset; + l1a_l1s_com.bcchn.list[0].time_alignmt = time_alignmt; + + l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_ENABLED; + + // Stay in current state. + return; + } + #endif + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +/*-------------------------------------------------------*/ +/* l1a_idle_6strongest_monitoring_process() */ +/*-------------------------------------------------------*/ +/* */ +/* Description: */ +/* ------------ */ +/* This function is a state machine which handles the */ +/* synchronization with up to 6 neighbor cells */ +/* */ +/* Starting messages: MPHC_NCELL_SYNC_REQ */ +/* ------------------ MPHC_NCELL_LIST_SYNC_REQ */ +/* L1 makes an attempt to read the FB/SB or to confirm */ +/* SB. */ +/* */ +/* */ +/* Result messages (input): L1C_FB_INFO */ +/* ------------------------ L1C_SB_INFO */ +/* L1C_SBCONF_INFO */ +/* Result messages from L1S. FB detection, SB detection,*/ +/* SB confirmation. */ +/* */ +/* Result messages (output): MPHC_NCELL_SYNC_IND */ +/* ------------------------- */ +/* SB indication. */ +/* */ +/* Reset messages (input): MPHC_STOP_NCELL_SYNC_REQ */ +/* ----------------------- (MPHC_STOP_NCELL_SYNC_CON) */ +/* */ +/*-------------------------------------------------------*/ +void l1a_idle_6strongest_monitoring_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + NSYNC_CONFIG = 2, + WAIT_NSYNC_RESULT = 3 +#if (L1_12NEIGH == 1) + ,NSYNC_LIST_CONFIG = 4 + ,WAIT_SSYNC_RESULT = 5 +#endif + }; + + UWORD8 *state = &l1a.state[I_6MP]; + UWORD32 SignalCode = msg->SignalCode; + + +#if (L1_12NEIGH == 1) + static UWORD8 list_size; +#endif + +#if (L1_EOTD ==1) + static UWORD8 last_cell; +#endif + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset of process is embbeded in other state to + // avoid conflicts between processes using the same + // L1S tasks. + } + break; + + case WAIT_INIT: + { + #if (L1_12NEIGH ==1) + if(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) + { + // Check request validity for this process: + // -> This machine works only for IDLE MODE. + // -> Search must be correct. + + if(l1a_l1s_com.mode != I_MODE) + return; + #if (L1_EOTD ==1) + // For EOTD, nsync must be FREE... + if ( (((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->eotd == TRUE) + && (l1a_l1s_com.nsync.current_list_size != 0) ) + // End of process. + return; + #endif + + l1a_l1s_com.nsync.first_in_list=0; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; + + // Step in state machine. + *state = NSYNC_LIST_CONFIG; + + } + else + #endif + + if(SignalCode == MPHC_NCELL_SYNC_REQ) + // Request to READ the FB/SB or SB from the given carrier. + //-------------------------------------------------------- + { + // Check request validity for this process: + // -> This machine works only for IDLE MODE. + // -> Search must be correct. + + if(l1a_l1s_com.mode != I_MODE) + return; + + l1a_l1s_com.nsync.first_in_list=0; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; + + // Step in state machine. + *state = NSYNC_CONFIG; + } + + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; + + + case NSYNC_CONFIG: + { + // Request to read FB/SB or SB from one neighbour cell. + //----------------------------------------------------- + UWORD8 neigh_number = l1a_l1s_com.nsync.first_in_list; + + // Abort if there is no room for a new neighbour synchro request. + #if (L1_12NEIGH ==1) + if (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) + #else + if (l1a_l1s_com.nsync.current_list_size >= 6) + #endif + { + *state = WAIT_NSYNC_RESULT; + return; + } + + // Look for first free location within L1 structure. + #if (L1_12NEIGH ==1) + while((neigh_number<NBR_NEIGHBOURS) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) + { + neigh_number++; + if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; + } + #else + while((neigh_number<6) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) + { + neigh_number++; + if ( neigh_number == 6 ) neigh_number=0; + } + #endif + + // Download neighbour info from request message. + //---------------------------------------------- + + l1a_l1s_com.nsync.list[neigh_number].radio_freq = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq; + l1a_l1s_com.nsync.list[neigh_number].timing_validity = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->timing_validity; + + #if ((REL99 == 1) && (FF_RTD ==1)) // RTD feature + // In this case that timing information is provided related to Real Time Difference RTD of the cell. + // We force the timing_validity to no timing information because there is no special mechanism to take into + // account RTD information in idle mode. So it is preferable to do a complete FB search than + // using inaccurate timing in a bad way. + if(l1a_l1s_com.nsync.list[neigh_number].timing_validity == 3) + l1a_l1s_com.nsync.list[neigh_number].timing_validity = 0 ; + #endif + + if(l1a_l1s_com.nsync.list[neigh_number].timing_validity != 0) + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Download ARFCN, timing information and bitmap from the command message. + time_alignmt = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->fn_offset; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + l1a_l1s_com.nsync.list[neigh_number].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[neigh_number].time_alignmt = time_alignmt; + } + else + { + l1a_l1s_com.nsync.list[neigh_number].fn_offset = 0; + l1a_l1s_com.nsync.list[neigh_number].time_alignmt = 0; + } + // Enable L1S activity on this new neighbour task BCCH. + l1a_l1s_com.nsync.list[neigh_number].status = NSYNC_PENDING; + l1a_l1s_com.nsync.current_list_size += 1; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_NSYNC_RESULT; + + // End of process. + end_process = 1; + } + break; // case NSYNC_CONFIG + + #if (L1_12NEIGH == 1) + case NSYNC_LIST_CONFIG: + { + // Request to read FB/SB or SB from 1 to 12 neighbour cells. + //---------------------------------------------------------- + UWORD8 neigh_number = l1a_l1s_com.nsync.first_in_list; + UWORD8 nbr_free = (UWORD8) (NBR_NEIGHBOURS) - l1a_l1s_com.nsync.current_list_size; + T_MPHC_NCELL_LIST_SYNC_REQ *pt = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP)); + UWORD8 i; + + //Read list size + list_size= ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->list_size; + + // Abort if there is no room for a new neighbour synchro request. + if ( (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) || + (nbr_free < list_size) ) + { + *state = WAIT_NSYNC_RESULT; + return; + } + + #if (L1_EOTD==1) + // Abort if list Not empty and request for an EOTD session.... + if ( (l1a_l1s_com.nsync.current_list_size != 0) && + ( pt->eotd == TRUE) ) + { + *state = WAIT_NSYNC_RESULT; + return; + } + // store Eotd flag + l1a_l1s_com.nsync.eotd_meas_session = pt->eotd; + #endif + + // Download neighbour info from request message. + //---------------------------------------------- + for (i=0; i<list_size; i++,neigh_number++) + { + if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; //cyclic buffer + // Look for first free location within L1 structure. + while((neigh_number<NBR_NEIGHBOURS) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) + { + neigh_number++; + if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; + } + + l1a_l1s_com.nsync.list[neigh_number].radio_freq = pt->ncell_list[i].radio_freq; + l1a_l1s_com.nsync.list[neigh_number].timing_validity = pt->ncell_list[i].timing_validity; + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + // In this case that timing information is provided related to Real Time Difference RTD of the cell. + // We force the timing_validity to no timing information because there is no special mechanism to take into + // account RTD information in idle mode. So it is preferable to do a complete FB search than + // using inaccurate timing in a bad way. + if(l1a_l1s_com.nsync.list[neigh_number].timing_validity == 3) + l1a_l1s_com.nsync.list[neigh_number].timing_validity = 0 ; + #endif + + if(l1a_l1s_com.nsync.list[neigh_number].timing_validity != 0) + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Download ARFCN, timing information and bitmap from the command message. + time_alignmt = pt->ncell_list[i].time_alignmt; + fn_offset = pt->ncell_list[i].fn_offset; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + l1a_l1s_com.nsync.list[neigh_number].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[neigh_number].time_alignmt = time_alignmt; + } + else + { + l1a_l1s_com.nsync.list[neigh_number].fn_offset = 0; + l1a_l1s_com.nsync.list[neigh_number].time_alignmt = 0; + } + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + + // Enable L1S activity on all new neighbour tasks if NOT eotd. +#if (L1_EOTD==1) + if (pt->eotd == FALSE) +#endif + l1a_l1s_com.nsync.list[neigh_number].status = NSYNC_PENDING; + + } // end for + + // If NOT Eotd start new neighbours. +#if (L1_EOTD == 1) + if (pt->eotd == FALSE) + { +#endif + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + // Step in state machine. + *state = WAIT_NSYNC_RESULT; +#if (L1_EOTD == 1) + } + + else + { + UWORD32 time_alignmt =0; + UWORD32 fn_offset = 0; + + // Set eotd mode + l1a_l1s_com.nsync.eotd_meas_session = TRUE; + + // In Eotd : Serving cell is not part of the list + //----------------------------------------------- + // But it must be the 1st monitored + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + #if (L1_EOTD_QBIT_ACC==1) + time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + fn_offset = l1a_l1s_com.nsync.serv_fn_offset; + #endif + + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + // Load Serving cell in last position [NBR_NEIGHBOURS] + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; + + // Set list size + l1a_l1s_com.nsync.current_list_size = 1; + + // start Eotd + last_cell = FALSE; + + // Enable Serving cell monitoring + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_SSYNC_RESULT; + } + #endif // L1_EOTD == 1 + + // End of process. + end_process = 1; + } + break; // case NSYNC_LIST_CONFIG + + #endif //(L1_12NEIGH == 1) + +#if ((L1_EOTD == 1)&&L1_12NEIGH) + case WAIT_SSYNC_RESULT: + { + if(SignalCode == L1C_SBCONF_INFO) + // Synchro Burst confirmation attempt result. + //------------------------------------------- + { + UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; + BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; + UWORD16 neigh_radio_freq= ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; + + + // Check if this neighbor is NOT serving cell + if ( (neigh_radio_freq != l1a_l1s_com.Scell_info.radio_freq) || (neigh_id !=12)) + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + // Set mode IDLE for EOTD + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; + + if(sb_found == TRUE) + // SB detection is a success. + { + UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); + UWORD32 fn_sb_neigh = ((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_sb_neigh; + WORD16 d_eotd_first= ((T_L1C_SBCONF_INFO *)(msg->SigP))->d_eotd_first; + UWORD32 toa = ((T_L1C_SBCONF_INFO *)(msg->SigP))->toa; + WORD32 ta_sb_neigh = l1a_l1s_com.nsync.list[neigh_id].time_alignmt; + UWORD32 delta_fn; + WORD32 delta_qbit; + + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + // compute the true Serving/Neighbor time difference. + // 1) update time_alignmt with (23bit - d_eotd_first) delta + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + ta_sb_neigh += (d_eotd_first - (23))*4 + + (l1a_l1s_com.dl_tn * 625); + + if (last_cell == FALSE) + { + l1a_l1s_com.nsync.fn_sb_serv = fn_sb_neigh; + l1a_l1s_com.nsync.ta_sb_serv = ta_sb_neigh; + + ((T_MPHC_NCELL_SYNC_IND*)(msg->SigP))->timetag = 0; + } + else + // End of EOTD meas. Consider Serving Cell as a neighbour cell + // for timetag computation... + { + UWORD32 timetag; + delta_fn = (fn_sb_neigh - l1a_l1s_com.nsync.fn_sb_serv + MAX_FN)%MAX_FN; + delta_qbit = ta_sb_neigh - l1a_l1s_com.nsync.ta_sb_serv; + + timetag = (delta_fn*5000) + (WORD32)(delta_qbit); + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->timetag = timetag; + + #if (L1_EOTD_QBIT_ACC ==1) + // Attempt QB tracking of the serving cell (independent of the TOA algorithm) + // This is only performed on the second SYNC IND as we do not want to move the serving cell + // timing during the E-OTD session. + l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); + l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; + l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; + #endif + +// #if (CODE_VERSION == SIMULATION) +// #if (TRACE_TYPE==5) + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_fn = delta_fn; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_qbit = delta_qbit; +// #endif +// #endif + + + } + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + else + // SB detection failled. + { + #if (L1_EOTD_QBIT_ACC==1) + l1a_l1s_com.nsync.serv_time_alignmt = 0; + l1a_l1s_com.nsync.serv_fn_offset = 0; + #endif + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); +// // Send reporting message with a faillure indication. +// l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + // Disable the serving sync. reading. + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size = 0; + + if (last_cell == TRUE) + { + // reset list size + list_size = 0; + + // stop eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + + // reset process. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + // This process must be reset. + *state = RESET; + } + else + { + UWORD8 i; + + // Curious case where there are no previously synchronised neighbours, + // but an EOTD session is requested. Apparently, this is legal. + // Here, we synchronise to the serving cell a second time with the + // eotd_meas_session flag set so that no AFC or TOA updates are performed. + #if (L1_EOTD_QBIT_ACC == 1) + if(list_size == 0) + { + // L1 SW : Create a temporary copy of the serving time_alignmt and fn_offset + // as we don't want to do the timeslot maths on the reference version + // in case the synchronisation fails and we can't write the new values + // back to the store... + + UWORD32 time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + UWORD32 fn_offset = l1a_l1s_com.nsync.serv_fn_offset; + + // In Eotd : Serving cell is not part of the list + //----------------------------------------------- + // But it must be the 1st and last monitored + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + // Load Serving cell in last position [NBR_NEIGHBOURS] + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; + + // Set list size + l1a_l1s_com.nsync.current_list_size = 1; + + // start Eotd + last_cell = TRUE; + + // Enable Serving cell monitoring + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // No step in state machine in this case. + *state = WAIT_SSYNC_RESULT; + return; + } + else + { + #endif // (L1_EOTD_QBIT_ACC == 1) + + // enable all neighbour monitoring + l1a_l1s_com.nsync.current_list_size = list_size; + + for (i=0; i<list_size; i++) + l1a_l1s_com.nsync.list[i].status = NSYNC_PENDING; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // step in state machine + *state = WAIT_NSYNC_RESULT; + return; + + #if (L1_EOTD_QBIT_ACC == 1) + } + #endif + } + } + + else + if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) + // Request to STOP neighbour cell activity for all carriers. + //-------------------------------------------------------------- + { + UWORD8 array_size; + + array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; + + // TOP accepted only for ALL cells + if ( (array_size != l1a_l1s_com.nsync.current_list_size) && + (array_size != NBR_NEIGHBOURS)) + // Stay in current state. + return; + + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + + // Disable neighbor sync. tasks. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + // Stop Serv. sync reading. + l1a_l1s_com.nsync.current_list_size = 0; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_FREE; + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); + + // All neigh synchro have been removed. + // This process must be reset. + *state = RESET; + } + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; +#endif + + case WAIT_NSYNC_RESULT: + { + if(SignalCode == L1C_FB_INFO) + // Frequency Burst acquisition attempt result. + //-------------------------------------------- + { + BOOL fb_found; + UWORD8 neigh_id = ((T_L1C_FB_INFO *)(msg->SigP))->neigh_id; + UWORD16 neigh_radio_freq = ((T_L1C_FB_INFO *)(msg->SigP))->radio_freq; + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + // BUG_973: an issue occurs when this 3 messages arrives in this order and + // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) + // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + // Get result from the message. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + if(fb_found == TRUE) + // FB attempt is a success. + { + // Enable NSYNC task for SB detection (SB2). + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + l1a_l1s_com.nsync.list[neigh_id].timing_validity = SB_ACQUISITION_PHASE; + #else + l1a_l1s_com.nsync.list[neigh_id].timing_validity = 3; + #endif + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_PENDING; + + // End of process. + return; + } + + else + // FB attempt failed. + //------------------- + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + // Disable a neigh sync. reading. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + // Is it the end of the complete process ? + if(l1a_l1s_com.nsync.current_list_size == 0) + { + // Reset process. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + // This process must be reset. + *state = RESET; + } + + // End of process. + else + { + // Check if first in list was removed from the list. Go to next first in list + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + #if (L1_12NEIGH==1) + if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + #else + if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; + #endif + } + return; + } + } + + else + if(SignalCode == L1C_SB_INFO) + // Synchro Burst acquisition attempt result. + //------------------------------------------ + { + typedef struct + { + BOOL sb_found_flag; + UWORD8 bsic; + UWORD32 fn_offset; + UWORD32 time_alignmt; + } + T_L1A_NSYNC; + + #if (L1_12NEIGH ==1) + static T_L1A_NSYNC static_nsync[NBR_NEIGHBOURS]; + #else + static T_L1A_NSYNC static_nsync[6]; + #endif + BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; + UWORD8 attempt = ((T_L1C_SB_INFO *)(msg->SigP))->attempt; + UWORD8 neigh_id = ((T_L1C_SB_INFO *)(msg->SigP))->neigh_id; + UWORD16 neigh_radio_freq = ((T_L1C_SB_INFO *)(msg->SigP))->radio_freq; + T_L1A_NSYNC *static_nsync_ptr = &(static_nsync[neigh_id]); + + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + // BUG_973: an issue occurs when this 3 messages arrives in this order and + // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) + // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + // Reset static structure SB detection flag. + if(attempt == 1) static_nsync[neigh_id].sb_found_flag = FALSE; + + if(sb_found == TRUE) + // SB detection is a success... + //----------------------------- + { + // Save Results. + static_nsync_ptr->sb_found_flag = TRUE; + static_nsync_ptr->bsic = ((T_L1C_SB_INFO *)(msg->SigP))->bsic; + static_nsync_ptr->fn_offset = ((T_L1C_SB_INFO *)(msg->SigP))->fn_offset; + static_nsync_ptr->time_alignmt = ((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt; + } + + // Report message to L3 is generated after the 2 attempts. + if(attempt == 2) + { + // Disable a neigh sync. reading. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + if(static_nsync_ptr->sb_found_flag == FALSE) + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + else + { + UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); + + // Download neighbour info in result message. + ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag = static_nsync_ptr->sb_found_flag; + ((T_L1C_SB_INFO *)(msg->SigP))->fn_offset = static_nsync_ptr->fn_offset; + ((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt = static_nsync_ptr->time_alignmt; + ((T_L1C_SB_INFO *)(msg->SigP))->bsic = static_nsync_ptr->bsic; + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + + // Is it the end of the complete process ? + if(l1a_l1s_com.nsync.current_list_size == 0) + { + // Reset process. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + // This process must be reset. + *state = RESET; + } + + // End of process. + else + { + // Check if first in list was removed from the list. Go to next first in list + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + #if (L1_12NEIGH==1) + if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + #else + if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; + #endif + } + return; + } + } + + // End of process. + else + { + return; + } + } + + else + if(SignalCode == L1C_SBCONF_INFO) + // Synchro Burst confirmation attempt result. + //------------------------------------------- + { + UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; + BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; + UWORD16 neigh_radio_freq= ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; + + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + // BUG_973: an issue occurs when this 3 messages arrives in this order and + // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) + // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + if(sb_found == TRUE) + // SB detection is a success. + { + + UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + + #if (L1_EOTD==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + + UWORD32 fn_sb_neigh = ((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_sb_neigh; + WORD16 d_eotd_first= ((T_L1C_SBCONF_INFO *)(msg->SigP))->d_eotd_first; + UWORD32 toa = ((T_L1C_SBCONF_INFO *)(msg->SigP))->toa; + WORD32 ta_sb_neigh = l1a_l1s_com.nsync.list[neigh_id].time_alignmt; + UWORD32 delta_fn; + WORD32 delta_qbit; + UWORD32 timetag; + + // compute the true Serving/Neighbor time difference. + // 1) update time_alignmt with (23bit - d_eotd_first) delta + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + ta_sb_neigh += (d_eotd_first - (23))*4 + + (l1a_l1s_com.dl_tn * 625); + + + delta_fn = (fn_sb_neigh - l1a_l1s_com.nsync.fn_sb_serv + MAX_FN)%MAX_FN; + delta_qbit = ta_sb_neigh - l1a_l1s_com.nsync.ta_sb_serv; + + // Set timetag + timetag = (delta_fn*5000) + (WORD32)(delta_qbit); + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->timetag = timetag; + + // Set mode + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; + +// #if (CODE_VERSION == SIMULATION) +// #if (TRACE_TYPE == 5) + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_fn = delta_fn; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_qbit = delta_qbit; +// #endif +// #endif + } + + #endif + + #if ((L1_EOTD == 1) && (L1_EOTD_QBIT_ACC == 1)) + // Attempt to compensate each N-Cell SYNC IND for QB tracking. + l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); + #endif + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + + else + // SB detection failled. + { + #if (L1_EOTD ==1) + // Set mode + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + else + #endif + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + // Disable a neigh sync. reading. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + // Is it the end of the complete process ? + if(l1a_l1s_com.nsync.current_list_size == 0) + { + #if ((L1_EOTD ==1)&& L1_12NEIGH) + // Is it EOTD ? + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + UWORD32 time_alignmt=0; + UWORD32 fn_offset=0; + + // Init list to serving cell + // Download ARFCN, timing information and bitmap from the command message. + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + #if (L1_EOTD_QBIT_ACC==1) + time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + fn_offset = l1a_l1s_com.nsync.serv_fn_offset; + #endif + + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + // Store Serving cell infos in location [NBR_NEIGHBOURS] + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; + + // Set list size && last cell flag. + l1a_l1s_com.nsync.current_list_size = 1; + last_cell = TRUE; + + // Enable Serving cell monitoring + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + *state = WAIT_SSYNC_RESULT; + return; + } + else + #endif + { + // Reset process. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + // This process must be reset. + *state = RESET; + } + } + + // End of process. + else + { + // Check if first in list was removed from the list. Go to next first in list + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + #if (L1_12NEIGH==1) + if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + #else + if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; + #endif + } + return; + } + } + #if (L1_12NEIGH ==1) + else + if(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) + // Request to READ the FB/SB or SB of 1 to 12 carriers. + //-------------------------------------------------------- + { + #if (L1_EOTD ==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + // Stay in current state. + return; + else + #endif + // Step in state machine. + *state = NSYNC_LIST_CONFIG; + } + #endif + else + if(SignalCode == MPHC_NCELL_SYNC_REQ) + // Request to READ the FB/SB or SB from the given carrier. + //-------------------------------------------------------- + { + #if (L1_EOTD ==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + // Stay in current state. + return; + else + #endif + + // Step in state machine. + *state = NSYNC_CONFIG; + } + + else + if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) + // Request to STOP neighbour cell activity for certain carriers. + //-------------------------------------------------------------- + { + UWORD8 i,j; + UWORD8 array_size; + + array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; + + #if (L1_EOTD ==1) + // Only stop for ALL neighbours in list are accepted. + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + if ( (array_size != l1a_l1s_com.nsync.current_list_size) && + (array_size != NBR_NEIGHBOURS)) + // Stay in current state. + return; + } + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + #endif + + // Disable neighbor sync. tasks. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; + + #if (L1_12NEIGH ==1) + if(array_size != NBR_NEIGHBOURS) + #else + if(array_size != 6) + #endif + { + // Stop some of the Neighb. synchro. + for(i=0;i<array_size;i++) + { + UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array[i]; + + // Search for same value within L1 structure. + j=0; + while(!((radio_freq == l1a_l1s_com.nsync.list[j].radio_freq) && + (l1a_l1s_com.nsync.list[j].status != NSYNC_FREE)) && + #if (L1_12NEIGH ==1) + (j < NBR_NEIGHBOURS)) + #else + (j < 6)) + #endif + { + j++; + } + + // If found, reset L1 structure for this carrier. + #if (L1_12NEIGH ==1) + if(j<NBR_NEIGHBOURS) + #else + if(j<6) + #endif + { + l1a_l1s_com.nsync.list[j].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size --; + } + } + } + else + { + // Stop all the Neighb. BCCH reading. + l1a_l1s_com.nsync.current_list_size = 0; + + #if (L1_12NEIGH ==1) + for(i=0;i<NBR_NEIGHBOURS;i++) + #else + for(i=0;i<6;i++) + #endif + l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; + } + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); + + // All neigh synchro have been removed. + if(l1a_l1s_com.nsync.current_list_size == 0) + { + // Tasks already disabled. + + // This process must be reset. + *state = RESET; + } + else + { + // Check if first in list was removed from the list. Go to next first in list + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + #if (L1_12NEIGH==1) + if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + #else + if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; + #endif + } + + // Set semaphores for all neighbor relative task before re-enebling NSYNC task. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Stay in current state. + return; + } + } + // No action in this machine for other messages. + else + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +/*-------------------------------------------------------*/ +/* l1a_idle_serving_cell_bcch_reading_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles serving cell */ +/* BCCH reading. */ +/* */ +/* Starting messages: MPHC_SCELL_NBCCH_REQ */ +/* ------------------ MPHC_SCELL_EBCCH_REQ */ +/* */ +/* L1 continuously reads the serving cell BCCH and/or */ +/* Extended BCCH as requested by the scheduling info. */ +/* */ +/* Result messages (input): L1C_BCCHS_INFO */ +/* ------------------------ */ +/* System information data block from L1S. */ +/* */ +/* Reset messages (input): MPHC_STOP_SCELL_BCCH_REQ */ +/* ----------------------- (MPHC_STOP_SCELL_BCCH_CON) */ +/* */ +/*-------------------------------------------------------*/ +void l1a_idle_serving_cell_bcch_reading_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + NBCCHS_CONFIG = 2, + EBCCHS_CONFIG = 3, + WAIT_BCCHS_RESULT = 4 + }; + + UWORD8 *state = &l1a.state[I_SCB]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset CS_MEAS process. + l1a_l1s_com.l1s_en_task[NBCCHS] = TASK_DISABLED; // Clear NBCCHS task enable flag. + l1a_l1s_com.l1s_en_task[EBCCHS] = TASK_DISABLED; // Clear EBCCHS task enable flag. + } + break; + + case WAIT_INIT: + { + // Request to read Normal BCCH from serving cell. + if(SignalCode == MPHC_SCELL_NBCCH_REQ) + { + // Step in state machine. + *state = NBCCHS_CONFIG; + } + + // Request to read Extended BCCH from serving cell. + else + if(SignalCode == MPHC_SCELL_EBCCH_REQ) + { + // Step in state machine. + *state = EBCCHS_CONFIG; + } + + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; + + case NBCCHS_CONFIG: + { + UWORD8 i; + + // Set semaphores for Normal Serving BCCH reading task. + l1a_l1s_com.task_param[NBCCHS] = SEMAPHORE_SET; + + // Download message content. + //-------------------------- + l1a_l1s_com.nbcchs.schedule_array_size = ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array_size; + + for(i=0;i<l1a_l1s_com.nbcchs.schedule_array_size;i++) + { + l1a_l1s_com.nbcchs.schedule_array[i].modulus = + ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array[i].modulus; + l1a_l1s_com.nbcchs.schedule_array[i].relative_position = + ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array[i].relative_position; + } + + // Enable NBCCHS task. + l1a_l1s_com.l1s_en_task[NBCCHS] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_BCCHS_RESULT; + + // End of process. + end_process = 1; + } + break; + + case EBCCHS_CONFIG: + { + UWORD8 i; + + // Set semaphores for Normal Serving BCCH reading task. + l1a_l1s_com.task_param[EBCCHS] = SEMAPHORE_SET; + + // Download message content. + //-------------------------- + l1a_l1s_com.ebcchs.schedule_array_size = ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array_size; + + for(i=0;i<l1a_l1s_com.ebcchs.schedule_array_size;i++) + { + l1a_l1s_com.ebcchs.schedule_array[i].modulus = + ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array[i].modulus; + l1a_l1s_com.ebcchs.schedule_array[i].relative_position = + ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array[i].relative_position; + } + + // Enable EBCCHS task. + l1a_l1s_com.l1s_en_task[EBCCHS] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_BCCHS_RESULT; + + // End of process. + end_process = 1; + } + break; + + case WAIT_BCCHS_RESULT: + { + if(SignalCode == L1C_BCCHS_INFO) + // Serving cell BCCH reading result. + //---------------------------------- + { + // Forward result message to L3. + l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); + + // End of process. + return; + } + + else + if(SignalCode == MPHC_SCELL_NBCCH_REQ) + // Request to re-configure Normal BCCH reading. + //--------------------------------------------- + { + // Step in state machine. + *state = NBCCHS_CONFIG; + } + + else + if(SignalCode == MPHC_SCELL_EBCCH_REQ) + // Request to re-configure Normal BCCH reading. + //--------------------------------------------- + { + // Step in state machine. + *state = EBCCHS_CONFIG; + } + + else + if((SignalCode == MPHC_STOP_SCELL_BCCH_REQ) || (SignalCode == L1C_DEDIC_DONE)) + // Request to STOP any serving cell bcch activity. + //------------------------------------------------ + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_SCELL_BCCH_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + #if L1_GPRS + else + if((SignalCode == L1P_SINGLE_BLOCK_CON) || + (SignalCode == MPHP_SINGLE_BLOCK_CON)) + // If Two Phase Access is ongoing: Packet Resource Request + // msg has been sent to the network. BCCH reading must be + // stopped to let PDCH reading going. + // REM: we must check both L1P/MPHP messages since an other + // process could have renamed L1P into MPHP. + //-------------------------------------------------------- + { + if(((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose == TWO_PHASE_ACCESS) + { + // This process must be reset. + *state = RESET; + } + else + { + // End of process. + return; + } + } + else + // End of packet transfer mode: test PDTCH to be sure that TBF downlink and uplink are released + if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) + { + // This process must be reset. + *state = RESET; + } + else + if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == FALSE)) + // Transition IDLE -> Packet Transfer + // Request to STOP serving cell BCCH activity. + //-------------------------------------------- + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_SCELL_BCCH_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + else + if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == TRUE)) + // Transition Packet Transfer -> Packet Transfer + { + // Remark: the synchro is handled by the task CTRL. + // stay in the same state + + // End of process. + return; + } + #endif + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + + +#if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM > 1)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM == 2 +//#pragma GSM_IDLE2_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise + +/*-------------------------------------------------------*/ +/* l1a_idle_serving_cell_paging_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles paging */ +/* */ +/* Starting messages: MPHC_START_CCCH_REQ */ +/* ------------------ */ +/* */ +/* L1 continuously reads the serving cell BCCH and/or */ +/* Extended BCCH as requested by the scheduling info. */ +/* */ +/* Result messages (input): L1C_ALLC_INFO */ +/* ------------------------ L1C_NP_INFO */ +/* L1C_EP_INFO */ +/* */ +/* Reset messages (input): MPHC_STOP_CCCH_REQ */ +/* ----------------------- (MPHC_STOP_CCCH_CON) */ +/* */ +/*-------------------------------------------------------*/ + +/* + * FreeCalypso Frankenstein: the source we got with LoCosto contains + * some logic, apparently designed to increase opportunities for + * deep sleep, marked with "Nina added" comments. This addition by + * Nina showed up on our radar because it makes use of a new member + * in the l1s structure which is not present in the TCS211 version + * of this data structure, which we are not allowed to change while + * deblobbing L1 one module at a time. I am going to turn Nina's + * addition into a conditional compilation option. -- Mychaela + */ + +#define NINA_ADDED 0 + +#if NINA_ADDED +INT8 last_page_mode = 2; //REORG; +#endif + +void l1a_idle_serving_cell_paging_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_MSG = 2 + }; + + enum pg_modes + { + NORMAL = 0, + EXTENDED = 1, + REORG = 2 + }; + + UWORD8 *state = &l1a.state[I_SCP]; + UWORD32 SignalCode = msg->SignalCode; + static UWORD8 page_mode = REORG; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Disable serving cell tasks. + l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. + l1a_l1s_com.l1s_en_task[EP] = TASK_DISABLED; // Reset EP task enable flag. + l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. + + // No Paging => no gauging => no Deep sleep + //Nina modify to save power, not forbid deep sleep, only force gauging in next paging +#if NINA_ADDED + if(l1s.force_gauging_next_paging_due_to_CCHR == 0) // Force gauging next paging +#endif + l1s.pw_mgr.enough_gaug = FALSE; // forbid Deep sleep + + } + break; + + case WAIT_INIT: + { + if (SignalCode == MPHC_START_CCCH_REQ) + { + // download page mode from message (msg) + page_mode = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_mode; +#if NINA_ADDED +if(((last_page_mode == NORMAL) && (page_mode == EXTENDED)) || + ((last_page_mode == EXTENDED) && (page_mode == NORMAL))) +{ +l1s.force_gauging_next_paging_due_to_CCHR = 1; +} + last_page_mode = page_mode; +#endif + + if(page_mode == REORG) + // Request to enter the PAGING REORGANIZATION paging mode. + //-------------------------------------------------------- + // L1 must start the Serving cell paging monitoring in PAGING REORGANIZATION + // paging mode. L1 starts reading the FULL BCCH and CCCH informations. + { + // Set semaphores for all serving cell tasks. + l1a_l1s_com.task_param[ALLC] = SEMAPHORE_SET; // Set ALLC task semaphore. + l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. + + // Set parameter synchro semaphore for I_BAMS task. + // Rem: changing the paging parameters changes the place where I_BAMS + // task must be executed. + l1a_l1s_com.meas_param |= I_BAMS_MEAS; + + // Download the PAGING PARAMETERS from the command message. + l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; + l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; + l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; + l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; + l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; + l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; + + /*----------------------------------------------------*/ + /* Download Idle parameters and Info in the Serving */ + /* structure. */ + /*----------------------------------------------------*/ + /* Rem: Get Idle Information from ROM table. Get nbr */ + /* of paging blocks in a MF51 from ROM table. */ + /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ + /* "idle_task_info" = info about PCH, EXT_PCH and */ + /* other task to settle in IM. */ + /*----------------------------------------------------*/ + if(l1a_l1s_com.bcch_combined == TRUE) + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; + } + else + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; + } + + // Layer 1 internal mode is set to IDLE MODE. + l1a_l1s_com.mode = I_MODE; + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // We must shift the mobile time setting to the timeslot provided by + // the "ccch_group" parameter. + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. + + #if L1_GPRS + // Select GSM DSP Scheduler. + l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; + #endif + + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + } + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + // In paging reorganization, Full BCCH reading must be setup. + l1a_l1s_com.Scell_info.si_bit_map = ALL_SI; + + // Step in state machine. + *state = WAIT_MSG; + + // Enable Paging Reorganisation tasks. + l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. + l1a_l1s_com.l1s_en_task[ALLC] = TASK_ENABLED; // Set ALLC (for paging reorg) task enable flag. + + // End of process. + return; + } + + else + if(page_mode == NORMAL) + { + // Request to enter the NORMAL PAGING paging mode. + //------------------------------------------------ + // L1 must start the Serving cell paging monitoring in NORMAL PAGING + // paging mode. L1 starts reading only its own paging subchannel. + + #if (TRACE_TYPE==3) + if (l1_stats.type == FER_CCCH || l1_stats.type == FER_CCCH_TN246) + l1_stats.wait_time = 0; + #endif + + // Disable the paging reorganization tasks. + l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. + l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. + + // Set parameter synchro semaphore for I_BAMS task. + // Rem: changing the paging parameters changes the place where I_BAMS + // task must be executed. + l1a_l1s_com.meas_param |= I_BAMS_MEAS; + + // Set semaphores for the normal paging reading task. + l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. + + // Download the PAGING PARAMETERS from the command message. + l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; + l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; + l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; + l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; + l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; + l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; + + /*----------------------------------------------------*/ + /* Download Idle parameters and Info in the Serving */ + /* structure. */ + /*----------------------------------------------------*/ + /* Rem: Get Idle Information from ROM table. Get nbr */ + /* of paging blocks in a MF51 from ROM table. */ + /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ + /* "idle_task_info" = info about PCH, EXT_PCH and */ + /* other task to settle in IM. */ + /*----------------------------------------------------*/ + if(l1a_l1s_com.bcch_combined == TRUE) + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; + } + else + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; + } + + + #if L1_GPRS + //In case of network mode of operation II or III, CCCH reading is possible + //in packet idle mode and in packet transfer mode. + //But the SYNCHRO task is not used anymore as opposite to CS mode for CCCH readings + if (!((l1a_l1s_com.l1s_en_task[PNP] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PEP] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PALLC] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED))) + + #endif + { + + // Layer 1 internal mode is set to IDLE MODE. + l1a_l1s_com.mode = I_MODE; + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // We stay on the same serving cell but change the RX timeslot + // (CCCH_GROUP or timeslot), then the "timeslot difference" between new + // and old configuration is given in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. + + #if L1_GPRS + // Select GSM DSP Scheduler. + l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; + + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + #else + if(l1a_l1s_com.tn_difference != 0) + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + { + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + } + #endif + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + } + + // Step in state machine. + *state = WAIT_MSG; + + // Enable normal paging mode. + l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. + + // End of process. + return; + } + else + { + // No action for other page mode + return; + } + }//if (SignalCode == MPHC_START_CCCH_REQ) + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + + case WAIT_MSG: + { + if(SignalCode == MPHC_START_CCCH_REQ) + { + // download paging mode from msg + page_mode = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_mode; +#if NINA_ADDED + + if(((last_page_mode == NORMAL) && (page_mode == EXTENDED)) || + ((last_page_mode == EXTENDED) && (page_mode == NORMAL))) + { + l1s.force_gauging_next_paging_due_to_CCHR = 1; + } + last_page_mode = page_mode; +#endif + if ((page_mode == NORMAL) || (page_mode == REORG)) + { + // Step in state machine. + *state = RESET; + } + else if (page_mode == EXTENDED) + { + // Request to enter the EXTENDED PAGING paging mode. + //------------------------------------------------ + + #if (TRACE_TYPE==3) + if (l1_stats.type == FER_CCCH || l1_stats.type == FER_CCCH_TN246) + l1_stats.wait_time = 0; + #endif + + // Disable the paging reorganization tasks. + l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. + l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. + + // Set parameter synchro semaphore for I_BAMS task. + // Rem: changing the paging parameters changes the place where I_BAMS + // task must be executed. + l1a_l1s_com.meas_param |= I_BAMS_MEAS; + + // Set semaphores for the normal/extended paging reading task. + l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. + l1a_l1s_com.task_param[EP] = SEMAPHORE_SET; // Set EP task semaphore. + + // Download the PAGING PARAMETERS from the command message. + l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; + l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; + l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; + l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; + l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; + l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; + + /*----------------------------------------------------*/ + /* Download Idle parameters and Info in the Serving */ + /* structure. */ + /*----------------------------------------------------*/ + /* Rem: Get Idle Information from ROM table. Get nbr */ + /* of paging blocks in a MF51 from ROM table. */ + /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ + /* "idle_task_info" = info about PCH, EXT_PCH and */ + /* other task to settle in IM. */ + /*----------------------------------------------------*/ + if(l1a_l1s_com.bcch_combined == TRUE) + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; + } + else + { + l1a_l1s_com.idle_task_info = + IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + + (l1a_l1s_com.page_block_index)]; + l1a_l1s_com.nb_pch_per_mf51 = + NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; + } + + + #if L1_GPRS + //In case of network mode of operation II or III, CCCH reading is possible + //in packet idle mode and in packet transfer mode. + //But the SYNCHRO task is not used anymore as opposite to CS mode for CCCH readings + if (!((l1a_l1s_com.l1s_en_task[PNP] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PEP] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PALLC] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) || + (l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED))) + #endif + { + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // We stay on the same serving cell but change the RX timeslot + // (CCCH_GROUP or timeslot), then the "timeslot difference" between new + // and old configuration is given in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + // Layer 1 internal mode is set to IDLE MODE. + + l1a_l1s_com.mode = I_MODE; + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. + + #if L1_GPRS + // Select GSM DSP Scheduler. + l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; + + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + #else + if(l1a_l1s_com.tn_difference != 0) + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + { + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + } + #endif + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + } + + // Enable normal/extended paging mode. + l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. + l1a_l1s_com.l1s_en_task[EP] = TASK_ENABLED; // Set EP task enable flag also. + + // Paging parameters change => perform the gauging on the next paging + //Nina modify to save power, not forbid deep sleep, only force gauging in next paging +#if NINA_ADDED +if(l1s.force_gauging_next_paging_due_to_CCHR == 0) +#endif +l1s.pw_mgr.enough_gaug = FALSE; // forbid Deep sleep until next gauging +//End Nina modify + + + // end of process + return; + }//end if (page_mode == EXTENDED) + }// end if(SignalCode == MPHC_START_CCCH_REQ) + + else + if((SignalCode == L1C_ALLC_INFO) || + (SignalCode == L1C_NP_INFO) || + (SignalCode == L1C_EP_INFO)) + // Paging reorganization tasks results. + //------------------------------------- + { + // Forward result message to L3. + l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); + + // End of process. + return; + } + + else + if((SignalCode == MPHC_STOP_CCCH_REQ) || (SignalCode == L1C_DEDIC_DONE)) + // Request to STOP any serving cell paging activity. + //-------------------------------------------------- + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_CCCH_CON,RRM1_QUEUE); + // This process must be reset. + *state = RESET; + } + + #if L1_GPRS + else + if((SignalCode == L1P_SINGLE_BLOCK_CON) || + (SignalCode == MPHP_SINGLE_BLOCK_CON)) + // If Two Phase Access is ongoing: Packet Resource Request + // msg has been sent to the network. CCCH reading must be + // stopped to let PDCH reading going. + // REM: we must check both L1P/MPHP messages since an other + // process could have renamed L1P into MPHP. + //-------------------------------------------------------- + { + if(((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose == TWO_PHASE_ACCESS) + { + // This process must be reset. + *state = RESET; + } + else + { + // End of process. + return; + } + } + else + // End of packet transfer mode + if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) + { + // This process must be reset. + *state = RESET; + } + else + if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == FALSE)) + // Transition IDLE -> Packet Transfer + // Request to STOP serving cell CCCH activity. + //-------------------------------------------- + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_CCCH_CON,RRM1_QUEUE); + // This process must be reset. + *state = RESET; + } + else + if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == TRUE)) + // Transition Packet Transfer -> Packet Transfer + { + // Remark: the synchro is handled by the task CTRL. + // stay in the same state + + // End of process. + return; + } + #endif + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + }// end case WAIT_MSG + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +//#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END +#endif + + +/*-------------------------------------------------------*/ +/* l1a_initial_network_sync_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the 1st */ +/* synchronization with the network. */ +/* */ +/* Starting messages: MPHC_NETWORK_SYNC_REQ */ +/* */ +/* Result messages (input): L1C_FB_INFO */ +/* L1C_SB_INFO */ +/* */ +/* Result messages (output): MPHC_NETWORK_SYNC_IND */ +/* */ +/* Reset messages (input): MPHC_STOP_NETWORK_SYNC_REQ */ +/* (MPHC_STOP_NETWORK_SYNC_CON) */ +/* */ +/*-------------------------------------------------------*/ +void l1a_initial_network_sync_process(xSignalHeaderRec *msg) +{ + + enum states + { + RESET = 0, // Reset state. + WAIT_INIT = 1, // Initial state. + + SET_FS_FB1_MODE0 = 2, // First Synchro, Setting of 1st FB mode 0. + WAIT_FS_FB1_MODE0 = 3, // First Synchro, 1st FB mode 0 state. + + SET_FS_FB2_MODE0 = 10, // First Synchro, Setting of 2nd FB mode 0. + WAIT_FS_FB2_MODE0 = 11, // First Synchro, 2nd FB mode 0 state. + SET_FS_FB_MODE1 = 12, // First Synchro, Setting of FB mode 1. + WAIT_FS_FB_MODE1 = 13, // First Synchro, FB mode 1 state. + WAIT_FS_SB = 14, // First Synchro, SB state. + + SET_FB_MODE1 = 15, // Setting of FB mode 1. + WAIT_FB_MODE1 = 16, // FB mode 1 (freq. in tracking) state. + WAIT_SB = 17, // SB state. + WAIT_BCCHS = 18 // BCCHS state. + }; + + + #if (VCXO_ALGO == 1) + #define FS_FB1_MODE0_CENTER 1 + #define FS_FB1_MODE0_MAX 2 + #define FS_FB1_MODE0_MIN 3 + + static UWORD32 state_vcxo; + #endif + + UWORD8 *state = &l1a.state[CS_NORM]; + UWORD32 SignalCode = msg->SignalCode; + + static WORD16 static_attempt_counter_0; + static WORD16 static_attempt_counter_1; + + + static UWORD8 static_sb_found_flag; + static UWORD8 static_bsic; + static UWORD32 static_fn_offset; + static UWORD32 static_time_alignmt; + static UWORD8 static_timing_validity; + + // to keep track of the old AFC value + static WORD16 old_afc; + + while(1) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset tasks used in the process. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + + // Disable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_FREE; + } + break; + + case WAIT_INIT: + { + if(SignalCode == MPHC_NETWORK_SYNC_REQ) + // Request to READ the FULL BCCH on the given carrier. + //---------------------------------------------------- + // L1 must first synchronize with the given carrier and then start + // reading the FULL BCCH. + { + UWORD8 search_mode = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->search_mode; + #if L1_FF_WA_OMAPS00099442 + // reset TPU offset to current value + half a TDMA to avoid having the Fb burst at the begining of the FBNEW TPU window + // This can be done safely in L1A at this point + //l1s.tpu_offset = (l1s.tpu_offset + TPU_CLOCK_RANGE >> 1 ) % TPU_CLOCK_RANGE; + //l1dmacro_synchro(IMM, l1s.tpu_offset); + #endif + + // Set task semaphores. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; + + l1a_l1s_com.nsync.current_list_size = 0; + + // Downlink stuff timeslot is 0 (default in CS) + l1a_l1s_com.dl_tn = 0; + + // Download neighbour info from request message. + //---------------------------------------------- + + l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->radio_freq; + +#if (L1_FF_MULTIBAND== 1) + { + UWORD8 physical_band_id; + physical_band_id = l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.nsync.list[0].radio_freq); + L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); + } +#endif /*#if (L1_FF_MULTIBAND == 1)*/ + + l1a_l1s_com.nsync.list[0].timing_validity = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->timing_validity; + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + // In this case that timing information is provided related to Real Time Difference RTD of the cell. + // We force the timing_validity to no timing information because there is no special mechanism to take into + // account RTD information in idle mode. So it is preferable to do a complete FB search than + // using inaccurate timing in a bad way. + + if(l1a_l1s_com.nsync.list[0].timing_validity == 3) // force complete search + l1a_l1s_com.nsync.list[0].timing_validity = 0 ; + + #endif + + static_timing_validity = l1a_l1s_com.nsync.list[0].timing_validity; + + if(l1a_l1s_com.nsync.list[0].timing_validity != 0) + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Download ARFCN, timing information and bitmap from the command message. + time_alignmt = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->fn_offset; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; + } + else + { + l1a_l1s_com.nsync.list[0].fn_offset = 0; + l1a_l1s_com.nsync.list[0].time_alignmt = 0; + } + + // Reset attempt counters + static_attempt_counter_0 = 0; + #if (TRACE_TYPE==3) + if (l1_stats.type == FER_FCH_MODE1) + search_mode = 1; + else + search_mode = 0; + #endif + + // Set functional mode. + l1a_l1s_com.mode = CS_MODE; + #if L1_FF_WA_OMAPS00099442 + l1a_l1s_com.change_tpu_offset_flag = TRUE; + #endif + + #if L1_GPRS + // Select GSM DSP Scheduler. + l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; + + // Timing must be shifted to a new timeslot, enables SYNCHRO task.. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. + #else + // Enable SYNCHRO task to cleanup the MFTAB. + l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; + #endif + + if(search_mode == 0) + // Run "FIRST SYNCHRO" algorithme. + //-------------------------------- + { + // Step in state machine. + #if (VCXO_ALGO == 1) + if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || + (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) + state_vcxo = FS_FB1_MODE0_CENTER; + #endif + *state = SET_FS_FB1_MODE0; + + } + + else + // Run "Frequency in Tracking" algorithme. + //---------------------------------------- + { + // Step in state machine. + *state = SET_FB_MODE1; + } + } + + // No action in this machine for other messages. + //---------------------------------------------- + else + { + // End of process. + return; + } + } + break; + + case SET_FS_FB1_MODE0: + { + + if(static_attempt_counter_0 >= 4) + // Max number of FB1/Mode0 attempt is reached... Stop process. + { + #if (VCXO_ALGO == 1) + if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || + (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) + { + if (state_vcxo == FS_FB1_MODE0_CENTER) + { + // update vcxo state, reset attempts FB1_MODE0 + state_vcxo = FS_FB1_MODE0_MAX; + static_attempt_counter_0 = 0; + break; + } + else if (state_vcxo == FS_FB1_MODE0_MAX) + { + // update vcxo state, reset attempts FB1_MODE0 + state_vcxo = FS_FB1_MODE0_MIN; + static_attempt_counter_0 = 0; + break; + } + } + #endif + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + + else + // Make a new attempt FB1/mode0. + { + // Step in state machine. + *state = WAIT_FS_FB1_MODE0; + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // Wideband search for FB detection. + l1a_l1s_com.fb_mode = FB_MODE_0; + + // Initialize AFC control function. + #if AFC_ALGO + #if TESTMODE + if (l1_config.afc_enable) + #endif + { + #if (VCXO_ALGO == 1) + if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || + (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) + { + if (state_vcxo == FS_FB1_MODE0_CENTER) + l1s.afc = l1ctl_afc(AFC_INIT_CENTER, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); + else + if (state_vcxo == FS_FB1_MODE0_MAX) + l1s.afc = l1ctl_afc(AFC_INIT_MAX, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); + else + if (state_vcxo == FS_FB1_MODE0_MIN) + l1s.afc = l1ctl_afc(AFC_INIT_MIN, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); + } + else + l1s.afc = l1ctl_afc(AFC_INIT, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); + #else + l1s.afc = l1ctl_afc(AFC_INIT, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq); + #endif + } + #endif + + // Restart synch process as initialized by L3->L1 msg + l1a_l1s_com.nsync.list[0].timing_validity = static_timing_validity; + + // Enable NSYNC task for FB detection mode 0. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // End of process. + return; + } + } + break; + + case WAIT_FS_FB1_MODE0: + { + if(SignalCode == L1C_FB_INFO) + // Frequency Burst acquisition result. + //------------------------------------ + { + UWORD8 fb_found; + + // Increment "static_attempt_counter_0". + static_attempt_counter_0++; + + // Get result from message parameters. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + // Loop on FB reception when making statistics. + #if (TRACE_TYPE==3) + if (l1_stats.type == FER_FCH_MODE0 || l1_stats.type == FER_FCH_MODE1) + { + // Enable FB_new. + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_ENABLED; // Set FB_new task enable flag. + + // End of process. + return; + } + #endif + + if(fb_found == TRUE) + // FB attempt is a success. + //------------------------- + { + // Stop the search in this current interval + #if (VCXO_ALGO == 1) + static_attempt_counter_0 = 4; + #endif + // Reset "static_attempt_counter_1". + static_attempt_counter_1 = 0; + + // We consider the result of this successfull FB search attempt + // as a good a-priori information for next attempt. + // "fn_offset" is reversed to satisfy its definition, + // fn_offset = Fn_neigh - Fn_serving. + + l1a_l1s_com.nsync.list[0].timing_validity = 1; + l1a_l1s_com.nsync.list[0].fn_offset = 51 - l1a_l1s_com.nsync.list[0].fn_offset; + + // Step in state machine. + *state = SET_FS_FB2_MODE0; + } + + else + // FB attempt failled. + //-------------------- + { + // Step in state machine. + *state = SET_FS_FB1_MODE0; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case SET_FS_FB2_MODE0: + { + if (static_attempt_counter_1 >= 4) + // Max number of attempt is reached... go back to 1st FB mode 0. + // otherwise stop the search and report message with failure indication + #if (VCXO_ALGO == 1) + { + if (state_vcxo == FS_FB1_MODE0_MIN) + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + // Reset state machine. + *state = RESET; + } + else + { + // Step in state machine. + *state = SET_FS_FB1_MODE0; + } + } + #else // VCXO_ALGO + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + // Reset state machine. + *state = RESET; + } + #endif // VCXO_ALGO + else + // Make a new attempt FB2/mode0. + { + // Step in state machine. + *state = WAIT_FS_FB2_MODE0; + + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // End of process. + return; + } + + } + break; + + case WAIT_FS_FB2_MODE0: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_FB_INFO) + { + UWORD8 fb_found; + + // Increment "static_attempt_counter_1". + static_attempt_counter_1++; + + // Get result from message parameters. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + if(fb_found == TRUE) + // FB attempt is a success. + //------------------------- + { + // Reset "static_attempt_counter_1". + static_attempt_counter_1 = 0; + + // We consider the result of this successfull FB search attempt + // as a good a-priori information for next attempt. + // "fn_offset" is reversed to satisfy its definition, + // fn_offset = Fn_neigh - Fn_serving. + + l1a_l1s_com.nsync.list[0].timing_validity = 1; + l1a_l1s_com.nsync.list[0].fn_offset = 51 - l1a_l1s_com.nsync.list[0].fn_offset; + + // Step in state machine. + *state = SET_FS_FB_MODE1; + } + + else + // FB attempt failed. + //------------------- + { + // Step in state machine. + *state = SET_FS_FB2_MODE0; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + + case SET_FS_FB_MODE1: + { + if(static_attempt_counter_1 >= 4) + // Max number of attempt is reached... go back to 1st FB mode 0. + // otherwise stop the search and report message with failure indication + #if (VCXO_ALGO == 1) + { + if (state_vcxo == FS_FB1_MODE0_MIN) + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + // Reset state machine. + *state = RESET; + } + else + { + // Step in state machine. + *state = SET_FS_FB1_MODE0; + } + } + #else // VCXO_ALGO + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + // Reset state machine. + *state = RESET; + } + #endif // VCXO_ALGO + + else + // Make a new attempt FB/Mode1. + { + // Step in state machine. + *state = WAIT_FS_FB_MODE1; + + // Set FB detection mode. + l1a_l1s_com.fb_mode = FB_MODE_1; + + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // End of process. + return; + } + } + break; + + + case WAIT_FS_FB_MODE1: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_FB_INFO) + { + UWORD8 fb_found; + + // Increment "static_attempt_counter_1". + static_attempt_counter_1++; + + // get result from message parameters. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + if(fb_found == TRUE) + // FB attempt is a success. + //------------------------- + { + // Reset "static_attempt_counter_1". + static_attempt_counter_1 = 0; + + // Reset "static_sb_found_flag". + static_sb_found_flag = FALSE; + + // Step in state machine. + *state = WAIT_FS_SB; + + // WE SHOULD UPDATE THE APRIORI TIMING. + + // Enable NSYNC task for SB detection (SB2). + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + l1a_l1s_com.nsync.list[0].timing_validity = SB_ACQUISITION_PHASE; + #else + l1a_l1s_com.nsync.list[0].timing_validity = 3; + #endif + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // End of process. + return; + } + + else + // FB attempt failed. + //------------------- + { + // Step in state machine. + *state = SET_FS_FB_MODE1; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case WAIT_FS_SB: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_SB_INFO) + { + UWORD8 sb_found = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag; + UWORD8 bsic = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic; + + // Increment "static_attempt_counter_1". + static_attempt_counter_1++; + + if(sb_found == TRUE) + // SB detection is a success... + //----------------------------- + { + // Save Results. + static_sb_found_flag = TRUE; + static_bsic = bsic; + static_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; + static_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; + } + + if(static_attempt_counter_1 >= 8) + { + #if (TRACE_TYPE==3) + // Loop on FB mode 1 detection when making SB statistics. + if (l1_stats.type == FER_SCH) + { + // Reset SB2 task enable flag. + l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; + // Reset "static_attempt_counter_1". + static_attempt_counter_1 = 0; + // go back to FB mode 1 detection... + *state = SET_FS_FB_MODE1; + break; + } + #endif + + + // Disable NSYNC task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + + if(static_sb_found_flag == TRUE) + // SB detection is a success. + //---------------------------- + { + // Save results. + l1a_l1s_com.nsync.list[0].fn_offset = static_fn_offset; + l1a_l1s_com.nsync.list[0].time_alignmt = static_time_alignmt; + + // Correct "ntdma" and "time_alignment" to shift 20 bit to the + // futur for Normal Burst reading tasks. + l1a_add_time_for_nb(&l1a_l1s_com.nsync.list[0].time_alignmt, + &l1a_l1s_com.nsync.list[0].fn_offset); + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference = 0; // No timeslot shift to be performed. + l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + // Clear "time_alignmt, fn_offset" in the result message since we are + // going to camp on that cell. + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset = l1a_l1s_com.nsync.list[0].fn_offset; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt = l1a_l1s_com.nsync.list[0].time_alignmt; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag = static_sb_found_flag; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic = static_bsic; + + // Forward result message to L3. + l1a_send_result(MPHC_NETWORK_SYNC_IND, msg, RRM1_QUEUE); + // keep in memory the last good AFC value + old_afc = l1s.afc; + + // Set flag for toa init. + #if (TOA_ALGO != 0) + l1a_l1s_com.toa_reset = TRUE; + #endif + + // End of this process. + *state = RESET; + } + + else + // SB detection failed. + //--------------------- + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + } + + else + // Make a new attempt SB. + { + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // End of process. + return; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + // In case of narrowband search + + case SET_FB_MODE1: + { + if (static_attempt_counter_0 >= 4) + // Max number of FB/Mode1 attempt is reached... Stop process. + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + + else + // Make a new attempt FB/Mode1. + { + // Step in state machine. + *state = WAIT_FB_MODE1; + + // Set FB detection mode. + l1a_l1s_com.fb_mode = FB_MODE_1; + + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // Restart synch process as initialized by L3->L1 msg + l1a_l1s_com.nsync.list[0].timing_validity = static_timing_validity; + + // Enable NSYNC for FB detection mode 1. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // End of process. + return; + } + } + break; + + case WAIT_FB_MODE1: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_FB_INFO) + { + UWORD8 fb_found; + + // Increment "static_attempt_counter_0". + static_attempt_counter_0++; + + // get result from message parameters. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + // Loop on FB reception when making statistics. + #if (TRACE_TYPE==3) + if (l1_stats.type == FER_FCH_MODE0 || l1_stats.type == FER_FCH_MODE1 ) + { + // Enable FB_new. + l1a_l1s_com.l1s_en_task[FBNEW] = TASK_ENABLED; // Set FB_new task enable flag. + + // End of process. + return; + } + #endif + + if(fb_found == TRUE) + // FB attempt is a success. + //------------------------- + { + // Reset "static_attempt_counter_1". + static_attempt_counter_1 = 0; + + // Reset "static_sb_found_flag". + static_sb_found_flag = FALSE; + + // Enable NSYNC task for SB detection (SB2). + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + l1a_l1s_com.nsync.list[0].timing_validity = SB_ACQUISITION_PHASE; + #else + l1a_l1s_com.nsync.list[0].timing_validity = 3; + #endif + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // Step in state machine. + *state = WAIT_SB; + + // End of process. + return; + } + + else + // FB attempt failed. + //------------------- + { + // Step in state machine. + *state = SET_FB_MODE1; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case WAIT_SB: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_SB_INFO) + { + UWORD8 sb_found = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag; + UWORD8 bsic = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic; + + // Increment "static_attempt_counter_1". + static_attempt_counter_1++; + + if(sb_found == TRUE) + // SB detection is a success, check plmn... + //----------------------------------------- + { + // Save Results. + static_sb_found_flag = TRUE; + static_bsic = bsic; + static_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; + static_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; + } + + if (static_attempt_counter_1 >= 8) + { + // Reset NSYNC task enable flag. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + + if(static_sb_found_flag == TRUE) + // SB detection is a success. + //---------------------------- + { + // Save results. + l1a_l1s_com.nsync.list[0].fn_offset = static_fn_offset; + l1a_l1s_com.nsync.list[0].time_alignmt = static_time_alignmt; + + // Correct "ntdma" and "time_alignment" to shift 20 bit to the + // futur for Normal Burst reading tasks. + l1a_add_time_for_nb(&l1a_l1s_com.nsync.list[0].time_alignmt, + &l1a_l1s_com.nsync.list[0].fn_offset); + + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference = 0; // No timeslot shift to be performed. + l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + + // Clear "time_alignmt, fn_offset" in the result message since we are + // going to camp on that cell. + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset = l1a_l1s_com.nsync.list[0].fn_offset; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt = l1a_l1s_com.nsync.list[0].time_alignmt; + + // Recreate the last sucessful attempt. + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag = static_sb_found_flag; + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic = static_bsic; + + // Forward result message to L3. + l1a_send_result(MPHC_NETWORK_SYNC_IND, msg, RRM1_QUEUE); + // Keep in memory the AFC value driving to a good synchro + old_afc = l1s.afc; + + // Initialize toa. + #if (TOA_ALGO != 0) + l1a_l1s_com.toa_reset = TRUE; + #endif + + // step in state machine. + *state = RESET; + } + + else + // SB detection failed. + //--------------------- + { + // Send reporting message with a faillure indication. + // Set the flag spurious_fb_detected to TRUE to reuse in the + // AFC algo the old variables + l1s.spurious_fb_detected = TRUE; + // reuse the old AFC value + l1s.afc = old_afc; + l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + } + + else + // Make a new attempt SB. + { + // Enable neighbour sync 0. + l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; + + // End of process. + return; + } + } + + else + if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) + // Request to STOP reading the FULL BCCH. + //--------------------------------------- + { + l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + } // end of "switch". + } // end of "while" +} // end of procedure. + + +/*-------------------------------------------------------*/ +/* l1a_idle_smscb_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the SMSCB */ +/* (Short Message Service Cell Broadcast). */ +/* */ +/* Starting messages: MPHC_CONFIG_CBCH_REQ */ +/* */ +/* Subsequent messages: MPHC_CBCH_SCHEDULE_REQ */ +/* MPHC_CBCH_INFO_REQ */ +/* MPHC_CBCH_UPDATE_REQ */ +/* */ +/* Result messages (input): L1C_CB_INFO */ +/* */ +/* Result messages (output): MPHC_DATA_IND */ +/* */ +/* Reset messages (input): MPHC_STOP_CBCH_REQ */ +/* */ +/*-------------------------------------------------------*/ +void l1a_idle_smscb_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_CONFIG = 1, + WAIT_FOR_CHANGE = 2, + SET_SCHEDULE = 3, + WAIT_RESULT = 4 + }; + + UWORD8 *state = &l1a.state[I_SMSCB]; + UWORD32 SignalCode = msg->SignalCode; + + UWORD32 first_block_0; + UWORD32 first_block_1; + BOOL extended_cbch; + T_CBCH_HEAD_SCHEDULE *cbch_schedule_ptr; + UWORD8 schedule_length; + + BOOL end_process = 0; + + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_CONFIG; + + // Reset SMSCB process. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear RAACC task enable flag. + } + break; + + case WAIT_CONFIG: + { + if(SignalCode == MPHC_CONFIG_CBCH_REQ) + // CBCH configuration message. + //---------------------------------------------------- + // L1 must download the CBCH description from the command + // message. + { + WORD8 tn_smscb; + + #define SMSCB_NCOMB_START_TIME 6 // SMSCB (case not combined, SDCCH/8). + #define SMSCB_COMB_START_TIME 30 // SMSCB (case combined, SDCCH/4). + + // Set "parameter synchro semaphores" + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; // Set "parameter synchro semaphore for SMSCB task. + + // Download new CBCH parameters. + l1a_l1s_com.cbch_desc = ((T_MPHC_CONFIG_CBCH_REQ *)(msg->SigP))->cbch_desc; + l1a_l1s_com.cbch_freq_list = ((T_MPHC_CONFIG_CBCH_REQ *)(msg->SigP))->cbch_freq_list; + + if(l1a_l1s_com.cbch_desc.channel_type == SDCCH_8) + // case SDCCH/8... + // Rem: Serving tasks on timeslot 0 is a special case, + // start frame is 1 later than other cases. + { + if(l1a_l1s_com.cbch_desc.timeslot_no < l1a_l1s_com.dl_tn) + { + l1a_l1s_com.cbch_start_in_mf51 = SMSCB_NCOMB_START_TIME; + l1a_l1s_com.pre_scheduled_cbch = TRUE; + } + else + { + l1a_l1s_com.cbch_start_in_mf51 = SMSCB_NCOMB_START_TIME + 1; + l1a_l1s_com.pre_scheduled_cbch = FALSE; + } + } + else + // case SDCCH/4... + { + if(l1a_l1s_com.cbch_desc.timeslot_no < l1a_l1s_com.dl_tn) + { + l1a_l1s_com.cbch_start_in_mf51 = SMSCB_COMB_START_TIME; + l1a_l1s_com.pre_scheduled_cbch = TRUE; + } + else + { + l1a_l1s_com.cbch_start_in_mf51 = SMSCB_COMB_START_TIME + 1; + l1a_l1s_com.pre_scheduled_cbch = FALSE; + } + } + + // Set "change_synchro" flag to trigger L1S to change the synchro on fly + // within SMSCB task and to restore current synchro when SMSCB task is completed. + if(((l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn + 8) % 8) >=4) + { + // L1S will make a intra SMSCB task synchro to current TS + 4. + l1a_l1s_com.change_synchro_cbch = TRUE; + tn_smscb = l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn - 4; + } + else + { + // L1S will NOT make the intra SMSCB task synchro. + l1a_l1s_com.change_synchro_cbch = FALSE; + tn_smscb = l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn; + } + + if(tn_smscb < 0) + l1a_l1s_com.tn_smscb = tn_smscb + 8; + else + l1a_l1s_com.tn_smscb = tn_smscb; + + // Disable TB1/2/3/5/6/7 reading. + l1a_l1s_com.cbch_info_req.cbch_num = 0; + l1a_l1s_com.cbch_info_req.next = 0; + + // Reset the CBCH/TB0/TB4 activity. + l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; + l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; + + // Step in state machine. + *state = WAIT_FOR_CHANGE; + } + + // end of process. + end_process = 1; + } + break; + + case WAIT_FOR_CHANGE: + { + if(SignalCode == MPHC_CBCH_SCHEDULE_REQ) + // CBCH scheduling message. + //---------------------------------------------------- + { + // Stop SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear SMSCB task enable flag. + + // Set "parameter synchro semaphore for SMSCB task. + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; + + extended_cbch = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->extended_cbch; + schedule_length = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->schedule_length; + + // Choose schedule table according to the considered CBCH (normal or extended). + if(extended_cbch) cbch_schedule_ptr = &l1a_l1s_com.ext_cbch_schedule; + else cbch_schedule_ptr = &l1a_l1s_com.norm_cbch_schedule; + + // Correction of BUG2176: CBCH_HEAD_STRUCTURE has to be updated with schedule_length + // value, potentially used in SET_SCHEDULE state after receipt of an CBCH_UPDATE_REQ + cbch_schedule_ptr->schedule_length = schedule_length; + + + if(schedule_length == 0) + { + // Continuous CBCH header reading. + //-------------------------------- + + // No scheduling info provided, L1 must start reading continously TB0 on + // normal CBCH or TB4 on extended CBCH. + cbch_schedule_ptr->cbch_state = CBCH_CONTINUOUS_READING; + + // Continuous reading must start immediately. + cbch_schedule_ptr->start_continuous_fn = -1; + + // Activate SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. + + // Step in state machine. + *state = WAIT_RESULT; + + // End of process. + return; + } + + else + { + UWORD32 starting_fn; + + // Scheduled CBCH header reading. + //-------------------------------- + + cbch_schedule_ptr->cbch_state = CBCH_SCHEDULED; + + first_block_0 = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->first_block_0; + first_block_1 = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->first_block_1; + + // Compute "schedule period" starting frame number. + // Note: the reception of MPHC_CBCH_SCHEDULE_REQ schedule message always + // refers to a scheduling period starting at the next "8*MF51" boundary. + // There is no real time issue there since we have plenty TDMA frame + // between the reception of the scheduling message from CBCH and the + // starting of the considered scheduling period. + + starting_fn = l1s.actual_time.fn - (l1s.actual_time.fn%(8*51)) + 8*51; + if(starting_fn >= MAX_FN) starting_fn -= MAX_FN; + + cbch_schedule_ptr->starting_fn = starting_fn; + + // Step in state machine. + *state = SET_SCHEDULE; + } + } + + else + if(SignalCode == MPHC_CBCH_INFO_REQ) + // CBCH info request message. + //---------------------------------------------------- + { + UWORD32 starting_fn; + UWORD8 i,j; + UWORD8 tb_bitmap; + + // This request message is a consequence of a CBCH/TB0 or CBCH/TB4 reading. + + // Stop SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; + + // Set "parameter synchro semaphore for SMSCB task. + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; + + // Store TB bitmap from message. + tb_bitmap = ((T_MPHC_CBCH_INFO_REQ *)(msg->SigP))->tb_bitmap; + + // Compute next TB1 multiframe 51 starting frame number. + starting_fn = l1s.actual_time.fn - (l1s.actual_time.fn%(8*51)) + 51; + + if(starting_fn >= MAX_FN) starting_fn -= MAX_FN; + + // Compute schedule table according to the provided bitmap. + j=0; + for(i=0; i<3; i++) // TB 1\2\3 + { + if(tb_bitmap & (1L<<i)) + { + l1a_l1s_com.cbch_info_req.start_fn[j] = (starting_fn + + (UWORD32)i*51L + + l1a_l1s_com.cbch_start_in_mf51) % MAX_FN; + j++; + } + } // End "for" + + for(i=3; i<6; i++) // TB 4\5\6 + { + if(tb_bitmap & (1L<<i)) + { + l1a_l1s_com.cbch_info_req.start_fn[j] = (starting_fn + + (UWORD32)i*51L + + l1a_l1s_com.cbch_start_in_mf51 + + 51L) % MAX_FN; + j++; + } + } // End "for" + + // Store number of CBCH info to read. + l1a_l1s_com.cbch_info_req.cbch_num = j; + l1a_l1s_com.cbch_info_req.next = 0; + + // Activate SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. + + // Step in state machine. + *state = WAIT_RESULT; + + // End of process. + return; + } + + else + if(SignalCode == MPHC_CBCH_UPDATE_REQ) + // CBCH scheduling message. + //---------------------------------------------------- + { + // Stop SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear SMSCB task enable flag. + + // Set "parameter synchro semaphore for SMSCB task. + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; + + extended_cbch = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->extended_cbch; + + // Choose schedule table according to the considered CBCH (normal or extended). + if(extended_cbch) cbch_schedule_ptr = &l1a_l1s_com.ext_cbch_schedule; + else cbch_schedule_ptr = &l1a_l1s_com.norm_cbch_schedule; + + // Scheduled CBCH header reading. + //-------------------------------- + + cbch_schedule_ptr->cbch_state = CBCH_SCHEDULED; + + first_block_0 = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->first_block_0; + first_block_1 = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->first_block_1; + + // DO NOT CHANGE "cbch_schedule_ptr->starting_fn" content. + + // Step in state machine. + *state = SET_SCHEDULE; + } + + else + if(SignalCode == MPHC_STOP_CBCH_REQ) + // Request to STOP reading the CBCH. + //---------------------------------- + { + BOOL normal_cbch = ((T_MPHC_STOP_CBCH_REQ *)(msg->SigP))->normal_cbch; + BOOL extended_cbch = ((T_MPHC_STOP_CBCH_REQ *)(msg->SigP))->extended_cbch; + + // Stop SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; + + // Set "parameter synchro semaphore for SMSCB task. + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; + + if(normal_cbch) l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; + if(extended_cbch) l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; + + if((l1a_l1s_com.norm_cbch_schedule.cbch_state == CBCH_INACTIVE) && + (l1a_l1s_com.ext_cbch_schedule.cbch_state == CBCH_INACTIVE)) + // This process must be reset. + { + // send confirmation + l1a_send_confirmation(MPHC_STOP_CBCH_CON,RRM1_QUEUE); + + // Step in state machine. + *state = RESET; + } + else + { + // Activate SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_RESULT; + + // End of process. + return; + } + } +#if 0 /* match TCS211 */ + else + if(SignalCode == L1C_DEDIC_DONE) + { + // Stop SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; + + // Set "parameter synchro semaphore for SMSCB task. + l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; + + l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; + l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; + + // Step in state machine. + *state = RESET; + } +#endif + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case SET_SCHEDULE: + { + UWORD8 i,j; + UWORD8 mf51_offset; + + // Choose schedule table according to the considered CBCH (normal or extended). + if(extended_cbch) mf51_offset = 4*51; // Offset to read TB4. + else mf51_offset = 0; // No offset to read TB0. + + // Compute schedule table according to the provided bitmap. + j=0; + for(i=0; i<48; i++) + { + if(i<32) + { + if(first_block_0 & (1L<<i)) + { + cbch_schedule_ptr->first_block[j] = (cbch_schedule_ptr->starting_fn + + (UWORD32)i*8L*51L + + l1a_l1s_com.cbch_start_in_mf51 + + mf51_offset) % MAX_FN; + j++; + } + } + else + { + if(first_block_1 & (1L<<(i-32))) + { + cbch_schedule_ptr->first_block[j] = (cbch_schedule_ptr->starting_fn + + (UWORD32)i*8L*51L + + l1a_l1s_com.cbch_start_in_mf51 + + mf51_offset) % MAX_FN; + j++; + } + } + } // End "for" + + // Compute FN for starting continuous CBCH/TB0 reading. + // Rem: this FN is given by the starting FN of the schedule period starting + // immediately after the schedule period considered in the message. + cbch_schedule_ptr->start_continuous_fn = ( cbch_schedule_ptr->starting_fn + + (UWORD32)cbch_schedule_ptr->schedule_length*8L*51L + + l1a_l1s_com.cbch_start_in_mf51 + + mf51_offset ) % MAX_FN; + + // Store number of scheduled CBCH according to the considered CBCH (normal or extended). + // Store "schedule period" starting frame number. + cbch_schedule_ptr->cbch_num = j; + cbch_schedule_ptr->next = NULL;//o omaps 00090550 + + // Activate SMSCB task. + l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. + + // Step in state machine. + *state = WAIT_RESULT; + + // End of process. + return; + } + + + case WAIT_RESULT: + { + if(SignalCode == L1C_CB_INFO) + // CBCH result message. + //--------------------- + { + // Forward result message to L3. + l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); + + // End of process. + return; + } + + else + if((SignalCode == MPHC_CBCH_SCHEDULE_REQ) || + (SignalCode == MPHC_CBCH_UPDATE_REQ) || + (SignalCode == MPHC_CBCH_INFO_REQ)) + // Request to reconsider the ongoing CBCH activity. + //----------------------------------------------------------- + { + // Step in state machine. + *state = WAIT_FOR_CHANGE; + } + + else + //if((SignalCode == MPHC_STOP_CBCH_REQ)||(SignalCode == L1C_DEDIC_DONE)) + if(SignalCode == MPHC_STOP_CBCH_REQ) + // Request to (may be partially) STOP reading the CBCH. + //----------------------------------------------------- + { + // This process must be reset. + *state = WAIT_FOR_CHANGE; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + + +/*-------------------------------------------------------*/ +/* l1a_access_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the access */ +/* to the network while in IDLE mode. */ +/* */ +/* Starting messages: MPHC_RA_REQ */ +/* */ +/* Subsequent messages: MPHC_RA_REQ */ +/* */ +/* Result messages (input): L1C_RA_DONE */ +/* */ +/* Result messages (output): MPHC_RA_CON */ +/* */ +/* Reset message (input): MPHC_STOP_RA_REQ */ +/* */ +/* Reset message (input): MPHC_STOP_RA_CON */ +/*-------------------------------------------------------*/ +void l1a_access_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_RESULT = 2 + }; + + UWORD8 *state = &l1a.state[ACCESS]; + UWORD32 SignalCode = msg->SignalCode; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset RAACC process. + l1a_l1s_com.l1s_en_task[RAACC] = TASK_DISABLED; // Clear RAACC task enable flag. + } + break; + + + case WAIT_INIT: + { + if(SignalCode == MPHC_RA_REQ) + // 1st Random access request message. + //----------------------------------- + { + UWORD8 supplied_txpwr; + + // Download Transmit power configuration. + supplied_txpwr = ((T_MPHC_RA_REQ *)(msg->SigP))->txpwr; + +#if (L1_FF_MULTIBAND == 0) + + //Config. + if ((l1_config.std.id == DUAL) || + (l1_config.std.id == DUALEXT) || + (l1_config.std.id == DUAL_US)) + { + l1a_l1s_com.powerclass_band1 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band1; + l1a_l1s_com.powerclass_band2 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band2; + } + else + { + l1a_l1s_com.powerclass_band1 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band1; + } +#endif + + // Check max transmit power (min txpwr) according to powerclass + // and clip to MIN_TXPWR_LEVEL. + supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,l1a_l1s_com.Scell_info.radio_freq); + + // Given value must be used on 1st TX. + l1s.applied_txpwr = supplied_txpwr; + + // Init RAACC process. + l1a_l1s_com.ra_info.rand = ((T_MPHC_RA_REQ *)(msg->SigP))->rand; + l1a_l1s_com.ra_info.channel_request = ((T_MPHC_RA_REQ *)(msg->SigP))->channel_request; + + + // Increment "rand" value in order to avoid to abort RACH by SYNCHRO task + // when MPHC_START_CCCH_REQ and MPHC_RA_REQ are sent in same TDMA. + l1a_l1s_com.ra_info.rand+=4; + + // step in state machine. + *state = WAIT_RESULT; + + // Change mode to connection establishment part 1. + l1a_l1s_com.mode = CON_EST_MODE1; + + // Activate RAACC task (no semaphore for UL tasks). + // Enable Paging Reorg and Normal paging tasks. + l1a_l1s_com.l1s_en_task[RAACC] = TASK_ENABLED; // Set RAACC task enable flag. + } + + // end of process. + end_process = 1; + } + break; + + case WAIT_RESULT: + { + if(SignalCode == L1C_RA_DONE) + // Random access acqnowledge message. + //----------------------------------- + { + // Forward result message to L3. + l1a_send_result(MPHC_RA_CON, msg, RRM1_QUEUE); + + // Change mode to connection establishment part 2. + l1a_l1s_com.mode = CON_EST_MODE2; + + // end of process. + return; + } + + + else + if(SignalCode == MPHC_RA_REQ) + // Random access message. + //----------------------- + { + // REM: rand is added the msg content since its current content is the already + // spent "slots" from the last RACH sending. + l1a_l1s_com.ra_info.rand += ((T_MPHC_RA_REQ *)(msg->SigP))->rand; + l1a_l1s_com.ra_info.channel_request = ((T_MPHC_RA_REQ *)(msg->SigP))->channel_request; + + // Activate RAACC task (no semaphore for UL tasks). + l1a_l1s_com.l1s_en_task[RAACC] = TASK_ENABLED; // Set RAACC task enable flag. + + // end of process. + return; + } + + else + if(SignalCode == MPHC_STOP_RA_REQ) + // Request to STOP the LINK ACCESS procedure. + //------------------------------------------- + { + #if L1_GPRS + UWORD8 i; + + // Store MAX TXPWR value to be used for first Tx PDCH blocks + for(i = 0; i < 8; i++) + { + l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[i] = l1s.applied_txpwr; + } + #endif + + // send confirmation + l1a_send_confirmation(MPHC_STOP_RA_CON,RRM1_QUEUE); + + + // This process must be reset. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +//----------------------------------------------------------------------------------------------- + +/*-------------------------------------------------------*/ +/* l1a_dedicated_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the dedicated*/ +/* mode setup (L1A side). */ +/* */ +/* Starting messages: MPHC_IMMED_ASSIGN_REQ */ +/* */ +/* Subsequent messages: MPHC_CHANNEL_ASSIGN_REQ */ +/* MPHC_SYNC_HO_REQ */ +/* MPHC_PRE_SYNC_HO_REQ */ +/* MPHC_PSEUDO_SYNC_HO_REQ */ +/* MPHC_ASYNC_HO_REQ */ +/* MPHC_ASYNC_HO_COMPLETE */ +/* MPHC_HANDOVER_FAIL_REQ */ +/* MPHC_CHANGE_FREQUENCY */ +/* OML1_CLOSE_TCH_LOOP_REQ */ +/* OML1_OPEN_TCH_LOOP_REQ */ +/* OML1_START_DAI_TEST_REQ */ +/* OML1_STOP_DAI_TEST_REQ */ +/* */ +/* Result messages (input): L1C_DEDIC_DONE */ +/* L1C_SACCH_INFO */ +/* */ +/* Result messages (output): MPHC_CHANNEL_ASSIGN_CON */ +/* MPHC_SYNC_HO_CON */ +/* MPHC_PRE_SYNC_HO_CON */ +/* MPHC_PSEUDO_SYNC_HO_CON */ +/* MPHC_ASYNC_HO_CON */ +/* MPHC_TA_FAIL_IND */ +/* MPHC_DATA_IND */ +/* OML1_CLOSE_TCH_LOOP_CON */ +/* OML1_OPEN_TCH_LOOP_CON */ +/* OML1_START_DAI_TEST_CON */ +/* OML1_STOP_DAI_TEST_CON */ +/* */ +/* Reset messages (input): MPHC_CHANNEL_RELEASE */ +/* */ +/*-------------------------------------------------------*/ +void l1a_dedicated_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_DYN_DWNLD = 2, + WAIT_MSG = 3 + }; + + T_DEDIC_SET *free_set; + UWORD8 *state = &l1a.state[DEDICATED]; + UWORD32 SignalCode = msg->SignalCode; + + static UWORD32 static_ho_fail_time_alignmt; + static UWORD32 static_ho_fail_fn_offset; + static T_DEDIC_SET *static_ho_fail_aset; + +#if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC == 1)) + static UWORD32 static_serv_fn_offset = 0; + static UWORD32 static_serv_time_alignmt = 0; +#endif + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset L1S dedicated mode manager trigger. + l1a_l1s_com.dedic_set.SignalCode = NULL; + } + break; + + case WAIT_INIT: + { + switch(SignalCode) + // switch on input message. + //------------------------------- + { + case MPHC_IMMED_ASSIGN_REQ: + // Immediate assignement message. + //------------------------------- + { + UWORD8 maio_bef_sti; +#if (L1_FF_MULTIBAND == 1) + UWORD16 operative_radio_freq; +#endif + + + // Get Ptr to the free dedicated parameter set. + // All important fields are initialised. + free_set = l1a_get_free_dedic_set(); + + // Save given dedicated channel parameters from MPHC_IMMED_ASSIGN_REQ msg. + //======================================================================== + // Rem1: Mode is forced to Signalling Only. + + free_set->chan1.mode = SIG_ONLY_MODE; + + free_set->chan1.desc = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->channel_desc; + free_set->ma.freq_list = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->frequency_list; + free_set->ma.freq_list_bef_sti = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->frequency_list_bef_sti; + maio_bef_sti = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->maio_bef_sti; + free_set->new_timing_advance = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->timing_advance; + free_set->dtx_allowed = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->dtx_allowed; + l1a_l1s_com.dedic_set.pwrc = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->pwrc; + + //---------------------------------------------- + //Rem: bcch_allocation, ba_id are not used!!!!!! + //---------------------------------------------- + + // New Timing Advance value must be applied on 1st frame of dedic. channel. + free_set->timing_advance = free_set->new_timing_advance; + + // TXPWR command was given in Idle, save it in dedicated mode structure. + free_set->new_target_txpwr = l1s.applied_txpwr; + + // Serving Cell stays the same. + free_set->cell_desc = l1a_l1s_com.Scell_info; + +#if (L1_FF_MULTIBAND == 0) + + free_set->cell_desc.traffic_meas_beacon + = l1a_l1s_com.last_input_level[l1a_l1s_com.Scell_info.radio_freq - l1_config.std.radio_freq_index_offset]; + free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[l1a_l1s_com.Scell_info.radio_freq - l1_config.std.radio_freq_index_offset]; + +#else // L1_FF_MULTIBAND = 1 below + + operative_radio_freq = + l1_multiband_radio_freq_convert_into_operative_radio_freq(l1a_l1s_com.Scell_info.radio_freq); + free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[operative_radio_freq]; + free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[operative_radio_freq]; + +#endif // #if (L1_FF_MULTIBAND == 0) else + + + // Decode the "starting time field", since staying on the same serving + // the same STI fn is saved in both "neig_sti_fn" and "serv_sti_fn". + free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->starting_time); + free_set->serv_sti_fn = free_set->neig_sti_fn; + + // Check/Fill "before starting time" fields. + l1a_fill_bef_sti_param(free_set, ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->starting_time.start_time_present); + + // Use provided "before starting time MAIO" if hopping channel. + if(free_set->chan1.desc_bef_sti.chan_sel.h) + free_set->chan1.desc_bef_sti.chan_sel.rf_channel.hopping_rf.maio = maio_bef_sti; + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // Save the "timeslot difference" between new and old configuration + // in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + + // Set "fset" pointer to the new parameter set. + l1a_l1s_com.dedic_set.fset = free_set; + + /* + * FreeCalypso: the following logic related to dynamic DSP + * patching has been reconstructed from our only available + * binary object version. + */ + #if (L1_DYN_DSP_DWNLD == 1) + if (l1a.dyn_dwnld.semaphore_vect[DEDI_STATE_MACHINE]==GREEN) + #endif + { + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = MPHC_IMMED_ASSIGN_REQ; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // Set confirmation message name. + l1a.confirm_SignalCode = MPHC_IMMED_ASSIGN_CON; + + // step in state machine. + *state = WAIT_MSG; + } + #if (L1_DYN_DSP_DWNLD == 1) + else + { + *state = WAIT_DYN_DWNLD; + #if ((TRACE_TYPE == 1) || (TRACE_TYPE == 4) || (TRACE_TYPE == 5)) + if((trace_info.current_config->l1_dyn_trace) & (1<<L1_DYN_TRACE_DYN_DWNLD)) + { + char str[30]; + sprintf(str,"DEDI SM blocked by DYN DWNLD\r\n"); + #if(CODE_VERSION == SIMULATION) + trace_fct_simu_dyn_dwnld(str); + #else + rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); + #endif + } + #endif // (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + } + #endif + } + break; + + case MPHC_CHANNEL_ASSIGN_REQ: + // Channel assignement message. + //----------------------------- + { + UWORD8 supplied_txpwr; + UWORD16 tch_radio_freq; + +#if ((REL99 == 1) && (FF_BHO == 1)) + //restore long_rem_handover_type from previous handover activites + l1a_l1s_com.dedic_set.long_rem_handover_type = 0; //reset handover to normal +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + +#if(L1_CHECK_COMPATIBLE == 1) + l1a.stop_req = FALSE; +#endif + + // Get Ptr to the free dedicated parameter set. + free_set = l1a_get_free_dedic_set(); + + // Save given dedicated channel parameters from MPHC_CHANNEL_ASSIGN_REQ msg. + //=============================================================--========== + + free_set->chan1.desc = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_1; + free_set->chan1.desc_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_1_bef_sti; + free_set->chan1.mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_mode_1; + + free_set->chan2.desc = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_2; + free_set->chan2.desc_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_2_bef_sti; + free_set->chan2.mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_mode_2; + + free_set->ma.freq_list = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->frequency_list; + free_set->ma.freq_list_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->frequency_list_bef_sti; + + free_set->dtx_allowed = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->dtx_allowed; + + supplied_txpwr = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->txpwr; + + #if (AMR == 1) + // download AMR ver 1.0 information + free_set->amr_configuration = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->amr_configuration; + free_set->cmip = C_AMR_CMIP_DEFAULT; + #endif + + #if (TRACE_TYPE==3) + l1_stats.chan_mode = free_set->chan1.mode; + #endif + + // Determine which band we are transmitting on + if(free_set->chan1.desc.chan_sel.h == TRUE) // we are hopping therefore + tch_radio_freq = free_set->ma.freq_list.rf_chan_no.A[0]; // take band from first element in maio list + else // else take band from fixed radio_freq + tch_radio_freq = free_set->chan1.desc.chan_sel.rf_channel.single_rf.radio_freq; + + // Check max transmit power (min txpwr) according to powerclass + // and clip to MIN_TXPWR_LEVEL using new TCH radio_freq info. + supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,tch_radio_freq); + + free_set->new_target_txpwr = supplied_txpwr; + + if(((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->cipher_mode != 0) + free_set->a5mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->a5_algorithm + 1; + else + free_set->a5mode = 0; + + // Grab the cipher key + free_set->ciph_key = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->cipher_key; + + // Serving Cell stays the same. + free_set->cell_desc = l1a_l1s_com.Scell_info; + + // Decode the "starting time field", since staying on the same serving + // the same STI fn is saved in both "neig_sti_fn" and "serv_sti_fn". + free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->starting_time); + free_set->serv_sti_fn = free_set->neig_sti_fn; + + // Check/Fill "before starting time" fields. + l1a_fill_bef_sti_param(free_set, ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->starting_time.start_time_present); + + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // Save the "timeslot difference" between new and old configuration + // in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + + + // Carry over the previous "tch_loop" settings for HW bit error testing */ + free_set->chan1.tch_loop = l1a_l1s_com.dedic_set.aset->chan1.tch_loop; + free_set->chan2.tch_loop = l1a_l1s_com.dedic_set.aset->chan2.tch_loop; + + // Set "fset" pointer to the new parameter set. + l1a_l1s_com.dedic_set.fset = free_set; + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = MPHC_CHANNEL_ASSIGN_REQ; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // Set confirmation message name. + l1a.confirm_SignalCode = MPHC_CHANNEL_ASSIGN_CON; + + // step in state machine. + *state = WAIT_MSG; + } + break; + + case MPHC_SYNC_HO_REQ: + case MPHC_PRE_SYNC_HO_REQ: + case MPHC_PSEUDO_SYNC_HO_REQ: + case MPHC_ASYNC_HO_REQ: + // Handover messages. + //------------------- + { + WORD32 new_ta = 0; + BOOL nci = 0; + + UWORD16 radio_freq; + UWORD16 tch_radio_freq; + UWORD32 ncc; + UWORD32 bcc; + UWORD32 time_alignmt = 0; + UWORD32 fn_offset = 0; + UWORD8 supplied_txpwr; +#if (L1_FF_MULTIBAND == 1) + UWORD16 operative_radio_freq; +#endif + + +#if ((REL99 == 1) && (FF_BHO == 1)) + // Get the handover type: regular or blind + switch(SignalCode) + { + case MPHC_SYNC_HO_REQ: + { + l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_type; + + } + break; + + case MPHC_PRE_SYNC_HO_REQ: + { + l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->handover_type; + + } + break; + + case MPHC_ASYNC_HO_REQ: + { + l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_ASYNC_HO_REQ *)(msg->SigP))->handover_type; + + } + break; + + case MPHC_PSEUDO_SYNC_HO_REQ: + { + l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_PSEUDO_SYNC_HO_REQ *)(msg->SigP))->handover_type; + + } + break; + } + + // BCCH frequency of target cell + l1a_l1s_com.dedic_set.bcch_carrier_of_nbr_cell = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcch_carrier; + + //Store handover type in another variable to be used in L1S till handover finished is issued. + l1a_l1s_com.dedic_set.long_rem_handover_type = l1a_l1s_com.dedic_set.handover_type; +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + + // Get Ptr to the free dedicated parameter set. + free_set = l1a_get_free_dedic_set(); + + /*--------------------------------------------------------------*/ + /* Save msg content in the free "DEDICATED PARAM. STRUCT." */ + /* Rem: since the HANDOVER PARAMETER structure is on the top of */ + /* each handover message, we can access it using any "cast". */ + /* Here we chose the "(T_MPHC_SYNC_HO_REQ *)". */ + /*--------------------------------------------------------------*/ + + // Download timing information from the command message. + #if ((REL99 == 1) && (FF_BHO == 1)) + if (l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) + #endif + { + + time_alignmt = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->fn_offset; + } + // Save time difference between new serving and previous one + // in case of HANDOVER FAIL. + static_ho_fail_time_alignmt = (5000 - time_alignmt) % 5000; + static_ho_fail_fn_offset = (1 + MAX_FN - fn_offset) % MAX_FN; + + #if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC ==1)) + // Save time_alignmt and fn_offset for Serving Cell E-OTD + // in case of handover failure... + + static_serv_fn_offset = l1a_l1s_com.nsync.serv_fn_offset; + static_serv_time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + + l1a_l1s_com.nsync.serv_fn_offset = 0; + l1a_l1s_com.nsync.serv_time_alignmt = 0; + #endif + + + if(time_alignmt == 0) + // The 2 base stations are seen qbit synchronized... + // -> Prevent frame diff. side effect. + { + static_ho_fail_fn_offset = (static_ho_fail_fn_offset + MAX_FN - 1) % MAX_FN; + } + + // Save Acitve dedicated mode parameter set + // in case of HANDOVER FAIL. + static_ho_fail_aset = l1a_l1s_com.dedic_set.aset; + + // Setup new serving cell information. + radio_freq = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcch_carrier; + ncc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.ncc; + bcc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcc; + + free_set->cell_desc.radio_freq = radio_freq; + free_set->cell_desc.bsic = (bcc) | (ncc << 3); + free_set->cell_desc.time_alignmt = time_alignmt; + free_set->cell_desc.fn_offset = fn_offset; + free_set->cell_desc.meas.acc = 0; + free_set->cell_desc.meas.nbr_meas = 0; + +#if 0 /* FreeCalypso TCS211 reconstruction */ +#if (L1_FF_MULTIBAND == 0) // TBD + free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[radio_freq - l1_config.std.radio_freq_index_offset]; + free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[radio_freq - l1_config.std.radio_freq_index_offset]; + +#else // L1_FF_MULTIBAND = 1 below + + operative_radio_freq = + l1_multiband_radio_freq_convert_into_operative_radio_freq(radio_freq); + free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[operative_radio_freq]; + free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[operative_radio_freq]; + +#endif // #if (L1_FF_MULTIBAND == 1) else +#endif + + // Download the message content. + free_set->chan1.desc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_1; + free_set->chan1.desc_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_1_bef_sti; + free_set->chan1.mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_mode_1; + + free_set->chan2.desc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_2; + free_set->chan2.desc_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_2_bef_sti; + free_set->chan2.mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_mode_2; + + free_set->ma.freq_list = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.frequency_list; + free_set->ma.freq_list_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.frequency_list_bef_sti; + + supplied_txpwr = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.txpwr; + #if (AMR == 1) + // download AMR ver 1.0 information + switch(SignalCode) + { + case MPHC_SYNC_HO_REQ: + { + free_set->amr_configuration = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->amr_configuration; + } + break; + + case MPHC_PRE_SYNC_HO_REQ: + { + free_set->amr_configuration = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->amr_configuration; + } + break; + + case MPHC_ASYNC_HO_REQ: + { + free_set->amr_configuration = ((T_MPHC_ASYNC_HO_REQ *)(msg->SigP))->amr_configuration; + } + break; + } + free_set->cmip = C_AMR_CMIP_DEFAULT; + #endif + + // Determine which band we are transmitting on + if(free_set->chan1.desc.chan_sel.h == TRUE) // we are hopping therefore + tch_radio_freq = free_set->ma.freq_list.rf_chan_no.A[0]; // take band from first element in maio list + else // else take band from fixed radio_freq + tch_radio_freq = free_set->chan1.desc.chan_sel.rf_channel.single_rf.radio_freq; + + // Check max transmit power (min txpwr) according to powerclass + // and clip to MIN_TXPWR_LEVEL using new TCH radio_freq info. + supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,tch_radio_freq); + + free_set->new_target_txpwr = supplied_txpwr; + free_set->ho_acc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.ho_acc; + + // Copy in cipher key Kc. + free_set->ciph_key = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->cipher_key; + + if(((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cipher_mode != 0) + free_set->a5mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.a5_algorithm + 1; + else + free_set->a5mode = 0; + + // Decode the "starting time field". Since changing the serving cell + // a different STI fn is saved in "neig_sti_fn" and "serv_sti_fn". + free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.starting_time); + if(free_set->neig_sti_fn != -1) + free_set->serv_sti_fn = (free_set->neig_sti_fn - free_set->cell_desc.fn_offset + MAX_FN) % MAX_FN; + + // Check/Fill "before starting time" fields. + l1a_fill_bef_sti_param(free_set, ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.starting_time.start_time_present); + + // TIMING ADVANCED COMPUTATION...(GSM05.10) + //-------------------------------- + switch(SignalCode) + { + case MPHC_SYNC_HO_REQ: + case MPHC_PSEUDO_SYNC_HO_REQ: + { + WORD32 t1_hbit; + WORD32 otd_hbit; + + if(SignalCode == MPHC_SYNC_HO_REQ) + // Synchronous Handover + { + l1a.confirm_SignalCode = MPHC_SYNC_HO_CON; // Set confirmation message name. + + //rtd_hbit_mod256 = 0; + nci = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->nci; + } + + // Compute Timing Advance TA. + //--------------------------- + // t1 = t0 + OTD - RTD (GSM05.10, $A1.3) + // OTD: Observed Time Difference. ( OTD = time(BTS0) - time(BTS1) ) + // RTD: Report Time Difference. + // t0: one way line of sight propagation MS-BTS0 (old BTS) ( t0 = TA(BTS0) / 2 ). + // t1: one way line of sight propagation MS-BTS1 (new BTS) ( t1 = TA(BTS1) / 2 ). + + /*** Convert QBO to Half bits (HBO) ***/ + otd_hbit = (((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->time_alignmt / 2); + + // If OTD is too high, it should be seen as a Negative value. + if(otd_hbit > 1250) + { + /*** Cell is advanced in timing from serving, hence TDMA arrives earlier + => Smaller Timing Advance and OTD is -ve ***/ + otd_hbit -= 2500 ; + } + else + { + /*** Cell is retarted in timing from serving, hence TDMA arrives later + => Larger Timing Advance and OTD is +ve ***/ + } + + t1_hbit = (WORD32) (otd_hbit + (WORD32) l1a_l1s_com.dedic_set.aset->new_timing_advance); + + if(t1_hbit < 0) + t1_hbit = 0; + + new_ta = t1_hbit; + } + break; + + case MPHC_PRE_SYNC_HO_REQ: + // Pre-Synchronous Handover... + { + l1a.confirm_SignalCode = MPHC_PRE_SYNC_HO_CON; // Set confirmation message name. + + if(((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->timing_advance_valid) + new_ta = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->timing_advance; + else + new_ta = 1; + } + break; + + case MPHC_ASYNC_HO_REQ: + // Asynchronous Handover... + { + l1a.confirm_SignalCode = MPHC_ASYNC_HO_CON; // Set confirmation message name. + } + break; + } // End switch... + + // Ensure TA is never set to > 63. + if(new_ta > 63) + { + if(nci == 1) + // Out of range TA must trigger a HO failure procedure. + // GSM04.08, $3.4.4.4 and $10.5.2.39. + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_TA_FAIL_IND,RRM1_QUEUE); + + // step in state machine. + *state = WAIT_MSG; + + // Stop current L1A process. + return; + } + else + // Max TA is 63. + { + new_ta = 63; + } + } + + // Save computed TA in the new set. + // This new TA shall be applied on 1st frame of new channel. + free_set->new_timing_advance = (UWORD8)new_ta; + free_set->timing_advance = free_set->new_timing_advance; + +#if ((REL99 == 1) && (FF_BHO == 1)) + free_set->nci = nci; + free_set->report_time_diff = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.report_time_diff; + + if(SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) + free_set->real_time_difference = ((T_MPHC_PSEUDO_SYNC_HO_REQ *)(msg->SigP))->real_time_difference; +#endif + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // Save the "timeslot difference" between new and old configuration + // in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + +#if ((REL99 == 1) && (FF_BHO == 1)) + if(l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) + { +#endif + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. +#if ((REL99 == 1) && (FF_BHO == 1)) + } +#endif //#if ((REL99 == 1) && (FF_BHO == 1)) + + + // Set "fset" pointer to the new parameter set. + l1a_l1s_com.dedic_set.fset = free_set; + +#if ((REL99 == 1) && (FF_BHO == 1)) + // check whether handover is Normal or Blind. If it is normal handover, + // follow the normal path. Otherwise go to blind handover state. + if(l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) + { +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + // Give new msg code to L1S. + // Rem: only 2 cases handled by L1S, SYNC and ASYNC. + if(SignalCode == MPHC_ASYNC_HO_REQ) + l1a_l1s_com.dedic_set.SignalCode = MPHC_ASYNC_HO_REQ; + else + l1a_l1s_com.dedic_set.SignalCode = MPHC_SYNC_HO_REQ; + + +#if ((REL99 == 1) && (FF_BHO == 1)) + } + else // Handover type is blind. + { + // step in state machine. + free_set->HO_SignalCode = SignalCode; + + // Give new msg code to L1S. (below process is done by l1a_dedicated_process()) + l1a_l1s_com.dedic_set.SignalCode = MPHC_STOP_DEDICATED_REQ; + + } +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // step in state machine. + *state = WAIT_MSG; + } + break; + + case MPHC_HANDOVER_FAIL_REQ: + // Handover failled, we must go back to the previous channel. + //----------------------------------------------------------- + { + // Give back the previous configuration in the "fset" ptr. + l1a_l1s_com.dedic_set.fset = static_ho_fail_aset; + + // Set confirmation message name. + l1a.confirm_SignalCode = MPHC_HANDOVER_FAIL_CON; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(SignalCode); + #endif + + #if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC ==1)) + // Restore E-OTD serving cell time_alignmt and fn_offset + // from the cached versions... + + l1a_l1s_com.nsync.serv_fn_offset = static_serv_fn_offset; + l1a_l1s_com.nsync.serv_time_alignmt = static_serv_time_alignmt; + #endif + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&static_ho_fail_time_alignmt, + &static_ho_fail_fn_offset, + l1a_l1s_com.dl_tn); + + // Setup new serving cell information. + l1a_l1s_com.dedic_set.fset->cell_desc.time_alignmt = static_ho_fail_time_alignmt; + l1a_l1s_com.dedic_set.fset->cell_desc.fn_offset = static_ho_fail_fn_offset; + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't followed + // the generic rules of the Semaphore shared between L1A and L1S. + // Since switching to a neigh cell, the known time_alignmt is about TN=0. + // Set "tn_difference" with the new timeslot. + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + { + l1a_l1s_com.tn_difference += l1a_l1s_com.dedic_set.fset->chan1.desc.timeslot_no; + l1a_l1s_com.dl_tn = l1a_l1s_com.dedic_set.fset->chan1.desc.timeslot_no; // Save new TN id. + } + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // step in state machine. + *state = WAIT_MSG; + } + break; + + case MPHC_STOP_DEDICATED_REQ: + // Release dedicated mode message. + //-------------------------------- + { + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // step in state machine. + *state = WAIT_MSG; + } + break; + + case MPHC_CHANGE_FREQUENCY: + // Frequency redefinition msg. + //---------------------------- + { + UWORD8 subchannel; + + // Get Ptr to the free dedicated parameter set. + free_set = l1a_get_free_dedic_set(); + + // Download Active set in the new set. + *free_set = *l1a_l1s_com.dedic_set.aset; + + // Get subchannel for the target channel. + subchannel = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc.subchannel; + + // Copy current parameters to BEF STI. + free_set->chan1.desc_bef_sti = free_set->chan1.desc; + free_set->chan2.desc_bef_sti = free_set->chan2.desc; + free_set->ma.freq_list_bef_sti = free_set->ma.freq_list; + + // Download new param in AFTER STI. + free_set->ma.freq_list = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->frequency_list; + if(subchannel == free_set->chan1.desc.subchannel) + // Target channel is CHAN1. + free_set->chan1.desc = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc; + else + // Target channel is CHAN2. + free_set->chan2.desc = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc; + + // Compute starting time. + free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->starting_time); + free_set->serv_sti_fn = free_set->neig_sti_fn; + + // Set FREQUENCY REDEFINITION flag to trigger a confirmation when STI is reached. + free_set->freq_redef_flag = TRUE; + + // Set "fset" pointer to the new parameter set. + l1a_l1s_com.dedic_set.fset = free_set ; + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // step in state machine. + *state = WAIT_MSG; + } + break; + } // end of "switch(SignalCode)". + + // end of process. + end_process = 1; + } + break; + + /* + * FreeCalypso: the following logic related to dynamic DSP + * patching has been reconstructed from our only available + * binary object version. + */ + #if (L1_DYN_DSP_DWNLD == 1) + case WAIT_DYN_DWNLD: + { + if((SignalCode==API_L1_DYN_DWNLD_FINISHED) && (l1a.dyn_dwnld.semaphore_vect[DEDI_STATE_MACHINE] == GREEN)) + { + /* replicate the code that would have executed originally */ + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = MPHC_IMMED_ASSIGN_REQ; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // Set confirmation message name. + l1a.confirm_SignalCode = MPHC_IMMED_ASSIGN_CON; + + #if ((TRACE_TYPE == 1) || (TRACE_TYPE == 4) || (TRACE_TYPE == 5)) + if((trace_info.current_config->l1_dyn_trace) & (1<<L1_DYN_TRACE_DYN_DWNLD)) + { + char str[30]; + sprintf(str,"DEDI SM un-blocked\r\n"); + #if(CODE_VERSION == SIMULATION) + trace_fct_simu_dyn_dwnld(str); + #else + rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); + #endif + } + #endif // (TRACE_TYPE == 1) || (TRACE_TYPE == 4) + + // step in state machine. + *state = WAIT_MSG; + } + // End process + end_process = 1; + } + break; + #endif + + case WAIT_MSG: + { + switch(SignalCode) + // switch on input message. + //------------------------------- + { + case L1C_DEDIC_DONE: + // Dedicated channel activated. + //----------------------------- + { + // Send confirmation message to L3. + l1a_send_confirmation(l1a.confirm_SignalCode,RRM1_QUEUE); + + // End of process. + end_process = 1; + } + break; + + case L1C_REDEF_DONE: + // Dedicated channel activated. + //----------------------------- + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_CHANGE_FREQUENCY_CON,RRM1_QUEUE); + + // End of process. + end_process = 1; + } + break; + + case L1C_HANDOVER_FINISHED: + // HANDOVER finished. + //------------------- + { + #if ((REL99 == 1) && (FF_BHO == 1)) + // Forwarding the BHO params to L2/L3. + ((T_MPHC_HANDOVER_FINISHED *)(msg->SigP))->fn_offset = l1a_l1s_com.dedic_set.fn_offset;//static_nsync_bho.fn_offset; + ((T_MPHC_HANDOVER_FINISHED *)(msg->SigP))->time_alignment = l1a_l1s_com.dedic_set.time_alignment;//static_nsync_bho.time_alignmt; + #endif + // Forward result message to L3. + l1a_send_result(MPHC_HANDOVER_FINISHED, msg, RRM1_QUEUE); + + // End of process. + + end_process = 1; + } + break; + + case MPHC_CHANNEL_MODE_MODIFY_REQ: + // New parameters are given concerning channel mode. + //-------------------------------------------------- + { + l1a_l1s_com.dedic_set.mode_modif.subchannel = + ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->subchannel; + l1a_l1s_com.dedic_set.mode_modif.channel_mode = + ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->channel_mode; + + #if (AMR == 1) + // download AMR ver 1.0 information + l1a_l1s_com.dedic_set.mode_modif.amr_configuration = + ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->amr_configuration; + l1a_l1s_com.dedic_set.aset->cmip = C_AMR_CMIP_DEFAULT; + #endif + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_CHANNEL_MODE_MODIFY_CON,RRM1_QUEUE); + + // End of process. + end_process = 1; + } + break; + + case OML1_CLOSE_TCH_LOOP_REQ: + // Close TCH loop. + //---------------- + // Rem: frame_erasure field is supposed to contain "Y" and "Z" bit from + // CLOSE_TCH_LOOP_CMD (GSM11.10 $36.2.4.1). Wait for confirmation + // from CAPDEBIS. WARNING!!!!!!!!!1 + // frame_erasure | Loop | tch_loop + // ---------------|--------|----------- + // | none | 0 + // 0 | A | 1 + // 1 | B | 2 + // 2 | C | 3 + // 3 | D | 4 + // 4 | E | 5 + // 5 | F | 6 + // 6 | I | 7 + + { + if(l1a_l1s_com.mode == DEDIC_MODE) + // Command message is valid only when dedic. mode is running. + { + UWORD8 subchannel = ((T_OML1_CLOSE_TCH_LOOP_REQ *)(msg->SigP))->sub_channel; + UWORD8 tch_loop = ((T_OML1_CLOSE_TCH_LOOP_REQ *)(msg->SigP))->frame_erasure + 1; + + if(subchannel == l1a_l1s_com.dedic_set.aset->chan1.desc.subchannel) + // Loop must be closed on CHAN1, this is done "on fly". + { + l1a_l1s_com.dedic_set.aset->chan1.tch_loop = tch_loop; + } + else + // Loop must be closed on CHAN2, this is done "on fly". + { + l1a_l1s_com.dedic_set.aset->chan2.tch_loop = tch_loop; + } + + // Send confirmation message to L3. + l1a_send_confirmation(OML1_CLOSE_TCH_LOOP_CON,RRM1_QUEUE); + } + + // End of process. + end_process = 1; + } + break; + + case OML1_OPEN_TCH_LOOP_REQ: + // Open TCH loop. + //--------------- + { + // Any loop is opened, this is done "on fly". + l1a_l1s_com.dedic_set.aset->chan1.tch_loop = 0; + l1a_l1s_com.dedic_set.aset->chan2.tch_loop = 0; + + // Send confirmation message to L3. + l1a_send_confirmation(OML1_OPEN_TCH_LOOP_CON,RRM1_QUEUE); + + // End of process. + end_process = 1; + } + break; + + case OML1_START_DAI_TEST_REQ: + // Start DAI test. + //---------------- + // tested_device | dai_mode | test + // ---------------|-----------|-------------------- + // 0 | 0 | no test + // 1 | 2 | speech decoder + // 2 | 1 | speech encoder + // 3 | 0 | no test + // 4 | 3 | Acouustic devices + { + const UWORD8 dai_transcode[] = {0, 2, 1, 0, 3}; + const UWORD8 dai_vbctl3[] = {0, 1, 2, 0, 3}; + UWORD32 vbctl3; + + UWORD8 dai_mode = dai_transcode[((T_OML1_START_DAI_TEST_REQ *)(msg->SigP))->tested_device]; + + // DAI mode is set "on fly". + l1a_l1s_com.dedic_set.aset->dai_mode = dai_mode; + + // program vbctl3 + // bit 12 | bit 11 + // ---------------- + // 1 | 1 Acouustic devices + // 1 | 0 speech encoder + // 0 | 1 speech decoder + // 0 | 0 no test + + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) || (ANLG_FAM == 11)) + vbctl3 = ( (l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff & 0xE7FF) | + (dai_vbctl3[((T_OML1_START_DAI_TEST_REQ *)(msg->SigP))->tested_device] << 11) ); + l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff = vbctl3 | TRUE; + #endif + + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // Send confirmation message to L3. + #if (OP_RIV_AUDIO == 1) + l1a_audio_send_confirmation(OML1_START_DAI_TEST_CON); + #else + l1a_send_confirmation(OML1_START_DAI_TEST_CON,RRM1_QUEUE); + #endif + + // End of process. + end_process = 1; + } + break; + + case OML1_STOP_DAI_TEST_REQ: + { + UWORD32 vbctl3; + + // DAI test is stopped "on fly". + l1a_l1s_com.dedic_set.aset->dai_mode = 0; + + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + // program vbctl3 + vbctl3 = (l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff & 0xE7FF); + l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff = vbctl3 | TRUE; + #endif + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // Send confirmation message to L3. + #if (OP_RIV_AUDIO == 1) + l1a_audio_send_confirmation(OML1_STOP_DAI_TEST_CON); + #else + l1a_send_confirmation(OML1_STOP_DAI_TEST_CON,RRM1_QUEUE); + #endif + + // End of process. + end_process = 1; + } + break; + + case MPHC_SET_CIPHERING_REQ: + + // Ciphering must be started or stopped. + //-------------------------------------- + { + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // the request must be ignored. + // And a confirmation is returned to the L3. + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_SET_CIPHERING_CON,RRM1_QUEUE); + } + else + { + // GSM 4.08 $10.5.2.9 says (we suppose that "a5_algorithm" is + // loaded with "algorithm identifier" and "cipher_mode" with + // "SC"). + // a5_algorithm from msg | A5 algo | a5_algorithm in dedic set + // -----------------------|--------------|-------------------------- + // | | 0 (no ciphering) + // 0 | A5/1 | 1 + // 1 | A5/2 | 2 + // 2 | A5/3 | 3 + // 3 | A5/4 | 4 + // 4 | A5/5 | 5 + // 5 | A5/6 | 6 + // 6 | A5/7 | 7 + + UWORD8 cipher_mode = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->cipher_mode; + + l1a_l1s_com.dedic_set.aset->ciph_key = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->new_ciph_param; + + if(cipher_mode != 0) // Save A5 algo. + l1a_l1s_com.dedic_set.aset->a5mode = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->a5_algorithm + 1; + else // No cipering. + l1a_l1s_com.dedic_set.aset->a5mode = 0; + + // Give new msg code to L1S. + l1a_l1s_com.dedic_set.SignalCode = SignalCode; + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_SET_CIPHERING_CON,RRM1_QUEUE); + } + + end_process = 1; + } + break; + + case L1C_SACCH_INFO: + // SACCH result messages. + //----------------------- + { + // Forward result message to L3. + l1a_send_result(PH_DATA_IND, msg, DLL1_QUEUE); + + // end of process. + end_process = 1; + } + break; + + case L1C_STOP_DEDICATED_DONE: + // Dedicated channel released + //----------------------------- + { + #if ((REL99 == 1) && (FF_BHO == 1)) + // This event is disregarded in case of blind handover + // (target cell synchro started) + if(l1a_l1s_com.dedic_set.handover_type != BLIND_HANDOVER) + #endif + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_DEDICATED_CON,RRM1_QUEUE); + + // Step in state machine. + *state = RESET; + } + + // end of process. + end_process = 1; + } + break; + + case MPHC_STOP_DEDICATED_REQ: + case MPHC_CHANNEL_ASSIGN_REQ: + case MPHC_SYNC_HO_REQ: + case MPHC_PRE_SYNC_HO_REQ: + case MPHC_PSEUDO_SYNC_HO_REQ: + case MPHC_ASYNC_HO_REQ: + case MPHC_HANDOVER_FAIL_REQ: + case MPHC_CHANGE_FREQUENCY: + // Reset messages. + //---------------- + { + // Step in state machine. + *state = RESET; + } + break; +#if ((REL99 == 1) && (FF_BHO == 1)) + case L1C_FBSB_INFO: + { + T_DEDIC_SET *free_set = l1a_l1s_com.dedic_set.fset; + + BOOL fb_found = ((T_L1C_FBSB_INFO*)(msg->SigP))->fb_flag; + BOOL sb_found = ((T_L1C_FBSB_INFO*)(msg->SigP))->sb_flag; + UWORD8 bsic = ((T_L1C_FBSB_INFO*)(msg->SigP))->bsic; + + UWORD32 fn_offset = ((T_L1C_FBSB_INFO*)(msg->SigP))->fn_offset; + UWORD32 time_alignmt = ((T_L1C_FBSB_INFO*)(msg->SigP))->time_alignmt; + + if ((fb_found == FALSE) || + (sb_found == FALSE) || + (bsic != free_set->cell_desc.bsic)) + // ------------------------ + // FB + SB detection failed + // ------------------------ + { + + // Send reporting message with a faillure indication. + xSignalHeaderRec *msg_new; + + msg_new = os_alloc_sig(sizeof(T_MPHC_HANDOVER_FINISHED)); + DEBUGMSG(status,NU_ALLOC_ERR) + + msg_new->SignalCode = MPHC_HANDOVER_FINISHED; + + if (fb_found == FALSE) + { + // FB attempt failed. + ((T_MPHC_HANDOVER_FINISHED *)(msg_new->SigP))->cause = HO_FB_FAIL; + } + else // (fb_found == FALSE) + { + // SB attempt failed. + // or BSIC is not matching. + ((T_MPHC_HANDOVER_FINISHED *)(msg_new->SigP))->cause = HO_SB_FAIL; + } // (fb_found == FALSE) + + l1a_send_result(MPHC_HANDOVER_FINISHED, msg_new, RRM1_QUEUE); + + // Reset handover to normal + l1a_l1s_com.dedic_set.handover_type = 0; + + // End of process. + end_process=1;//return; + } + else //((fb_found == FALSE) || (sb_found == FALSE) || (bsic != free_set->cell_desc.bsic)) + // ------------------------- + // FB + SB detection success + // ------------------------- + { + + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + + // update time_alignmt and fn_offset of new cell + free_set->cell_desc.fn_offset = fn_offset; + free_set->cell_desc.time_alignmt = time_alignmt; + if(free_set->neig_sti_fn != -1) + free_set->serv_sti_fn = (free_set->neig_sti_fn - free_set->cell_desc.fn_offset + MAX_FN) % MAX_FN; + + + // This is to send across fn_offset and time_alignmt of new cell to L2/L3. + l1a_l1s_com.dedic_set.fn_offset = fn_offset; + l1a_l1s_com.dedic_set.time_alignment = time_alignmt; + + // reset handover to normal + l1a_l1s_com.dedic_set.handover_type = 0; + + SignalCode = free_set->HO_SignalCode; + + // Save time difference between new serving and previous one + // in case of HANDOVER FAIL. + static_ho_fail_time_alignmt = (5000 - time_alignmt) % 5000; + static_ho_fail_fn_offset = (1 + MAX_FN - fn_offset) % MAX_FN; + + if (time_alignmt == 0) + // The 2 base stations are seen qbit synchronized... + // -> Prevent frame diff. side effect. + { + static_ho_fail_fn_offset = (static_ho_fail_fn_offset + MAX_FN - 1) % MAX_FN; + } + + // TIMING ADVANCED COMPUTATION...(GSM05.10) + //----------------------------------------- + switch(SignalCode) + { + case MPHC_SYNC_HO_REQ: + case MPHC_PSEUDO_SYNC_HO_REQ: + { + WORD32 t1_hbit; + WORD32 otd_hbit; + WORD32 new_ta = 0; + BOOL nci = 0; + + if(SignalCode == MPHC_SYNC_HO_REQ) + // Synchronous Handover + { + nci = free_set->nci; + } + + // Compute Timing Advance TA. + //--------------------------- + // t1 = t0 + OTD - RTD (GSM05.10, $A1.3) + // OTD: Observed Time Difference. ( OTD = time(BTS0) - time(BTS1) ) + // RTD: Report Time Difference. + // t0: one way line of sight propagation MS-BTS0 (old BTS) ( t0 = TA(BTS0) / 2 ). + // t1: one way line of sight propagation MS-BTS1 (new BTS) ( t1 = TA(BTS1) / 2 ). + + // Convert QBO to Half bits (HBO) + otd_hbit = (time_alignmt / 2); + + // If OTD is too high, it should be seen as a Negative value. + if(otd_hbit > 1250) + { + // Cell is advanced in timing from serving, hence TDMA arrives earlier + // => Smaller Timing Advance and OTD is -ve + otd_hbit -= 2500 ; + } + else + { + // Cell is retarted in timing from serving, hence TDMA arrives later + // => Larger Timing Advance and OTD is +ve + } + + t1_hbit = (WORD32) (otd_hbit + (WORD32) static_ho_fail_aset->new_timing_advance); + + if(t1_hbit < 0) t1_hbit = 0; + + new_ta = t1_hbit; + + // Ensure TA is never set to > 63. + if(new_ta > 63) + { + if(nci == 1) + // Out of range TA must trigger a HO failure procedure. + // GSM04.08, $3.4.4.4 and $10.5.2.39. + { + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_TA_FAIL_IND,RRM1_QUEUE); + + // End of process. + return; + } + else + // Max TA is 63. + { + new_ta = 63; + } + } + + // Save computed TA in the new set. + // This new TA shall be applied on 1st frame of new channel. + free_set->new_timing_advance = (UWORD8)new_ta; + free_set->timing_advance = free_set->new_timing_advance; + } + break; + + case MPHC_PRE_SYNC_HO_REQ: + // Pre-Synchronous Handover... + { + // no action for this message + } + break; + + case MPHC_ASYNC_HO_REQ: + // Asynchronous Handover... + { + // no action for this message + } + break; + } // End switch... + + // In order to keep tn_difference and dl_tn consistent, we need to avoid + // the execution of the SYNCHRO task with tn_difference updated and + // dl_tn not yet updated (this can occur if we go in the HISR just after + // the update of tn_difference). To do this the solution is to use the Semaphore + // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its + // associated Semaphore is reset. + // Note: Due to the specificity of the SYNCHRO task which can be enabled + // by L1A state machines as by L1S processes, the semaphore can't follow + // the generic rules of the Semaphore shared between L1A and L1S. + // Save the "timeslot difference" between new and old configuration + // in "tn_difference". + // tn_difference -> loaded with the number of timeslot to shift. + // dl_tn -> loaded with the new timeslot. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; + + l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; + l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. + + l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; + + // Note: The using of the semaphore associated to the SYNCHRO task can't be done + // as it is for the other semaphores. This is due to the specificity of the SYNCHRO + // task both touch by L1A and L1S. Here above the semaphore is set prior to touching + // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's + // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. + + // Give new msg code to L1S. + // Rem: only 2 cases handled by L1S, SYNC and ASYNC. + if(SignalCode == MPHC_ASYNC_HO_REQ) + { + l1a_l1s_com.dedic_set.SignalCode = MPHC_ASYNC_HO_REQ; + } + else + { + l1a_l1s_com.dedic_set.SignalCode = MPHC_SYNC_HO_REQ; + } + + if (((l1a_l1s_com.dedic_set.SignalCode == MPHC_ASYNC_HO_REQ ) + || (l1a_l1s_com.dedic_set.SignalCode == MPHC_SYNC_HO_REQ )) + && (l1a_l1s_com.dedic_set.aset != NULL) + && (l1a_l1s_com.l1s_en_task[DEDIC] == TASK_DISABLED)) + l1a_l1s_com.l1s_en_task[DEDIC] = TASK_ENABLED; + + #if (TRACE_TYPE==5) && FLOWCHART + trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); + #endif + + // End of process. + end_process=1;// return; + } // if ((fb_found == FALSE) || (sb_found == FALSE) || (bsic != free_set->cell_desc.bsic)) + } // case L1C_FBSB_INFO: + break; +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + default: + // End of process. + //---------------- + { + end_process = 1; + } + } // end of "switch(SignalCode)". + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +/*-------------------------------------------------------*/ +/* l1a_dedic6_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the 6 strong.*/ +/* neighbor cells management in dedicated mode. */ +/* */ +/* Remark: in dedicated mode there is no reason to use */ +/* the task parameters semaphores since there is no */ +/* ambiguity and no asynchronous/synchronous conflict to */ +/* care about. */ +/* */ +/* Starting messages: L1C_DEDIC_DONE */ +/* */ +/* Result messages (input): L1C_FB_INFO */ +/* L1C_SB_INFO */ +/* L1C_SBCONF_INFO */ +/* */ +/* Reset messages (input): MPHC_CHANNEL_RELEASE */ +/* */ +/*-------------------------------------------------------*/ +#if (L1_12NEIGH == 0) + +void l1a_dedic6_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_FB_RESULT = 2, + WAIT_SB_RESULT = 3, + WAIT_SBCONF_RESULT = 4 + }; + + UWORD8 *state = &l1a.state[DEDIC_6]; + UWORD32 SignalCode = msg->SignalCode; + static UWORD8 nb_fb_attemp; + + // use only in packet transfer mode + // these variables memorize this SBCNF parameters. + static UWORD32 time_alignmt_mem; + static UWORD32 fn_offset_mem; + + while(1) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset DEDIC6 tasks. + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + } + break; + + case WAIT_INIT: + { + #if (L1_GPRS) + // This machine works only for DEDICATED MODE and PACKET TRANSFER MODE + // (Remark: PACKET TRANSFER MODE activated == PDTCH task activated) + if((l1a_l1s_com.mode != DEDIC_MODE) && (l1a_l1s_com.l1s_en_task[PDTCH] != TASK_ENABLED)) return; + #else + // This machine works only for DEDICATED MODE. + if (l1a_l1s_com.mode != DEDIC_MODE) return; + #endif + + + if(SignalCode == MPHC_NCELL_FB_SB_READ) + // Request to make a synchro. ACQUISITION attempt with the given ARFCN. + //--------------------------------------------------------------------- + // L1 makes 1 attempt to read the Frequency Burst (FBNEW task). + // 1 attempt to read the Synchro Burst (SB2 task). + { + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // the request must be ignored. + // Therefor the reporting message with a faillure indication is sent back + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + + // End of process. + return; + } + else + { + // Set task semaphores. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. + + // This process always use the first element of "nsync" structure. + l1a_l1s_com.nsync.current_list_size = 0; + + // Download Radio Freq Nb from the command message. + // Other "nsync" parameters are unused. + l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NCELL_FB_SB_READ *)(msg->SigP))->radio_freq; + + // Step in state machine. + *state = WAIT_FB_RESULT; + + // Enable FB task. + if (l1a_l1s_com.mode == DEDIC_MODE) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + { + nb_fb_attemp = 1; // 1 attempt for FB51 detection. + l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; + } + else + { + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + } + } + #if (L1_GPRS) + else + { // packet transfer mode + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + } + #endif + + // End of process. + return; + } + } + + + else + if(SignalCode == MPHC_NCELL_SB_READ) + // Request to make a synchro. CONFIRMATION attempt with the given ARFCN. + //--------------------------------------------------------------------- + // L1 makes 1 attempt to read the Synchro Burst (SBCONF task). + { + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // The request must be ignored + // Therefor the reporting message with a failure indication is sent back + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + + // End of process. + return; + } + else + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. + + + // Download ARFCN & timing information from the command message. + time_alignmt = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->fn_offset; + time_alignmt_mem = time_alignmt; + fn_offset_mem = fn_offset; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + // Save neighbor information in the neighbor confirmation cell structure. + l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->radio_freq; + l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; + + // Step in state machine. + *state = WAIT_SBCONF_RESULT; + + // Enable SBCONF task. + if (l1a_l1s_com.mode == DEDIC_MODE) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_ENABLED; + else + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; + } + #if (L1_GPRS) + else + { + // packet transfer mode + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; + } + #endif + + // End of process. + return; + } + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; // case WAIT_INIT + + + case WAIT_FB_RESULT: + { + // Use incoming message. + //---------------------- + if(SignalCode == L1C_FB_INFO) + { + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is trhe dedicated mode during an handover fail + // The monitoring task must be stopped + // And the reporting message with a failure indication must be sent back + { + // Disable the FB detection task + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + else + { + BOOL fb_found; + + // get result from message parameters. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + if(fb_found == TRUE) + // FB attempt is a success. + //------------------------- + { + // Step in state machine. + *state = WAIT_SB_RESULT; + + // Enable SB task. + if (l1a_l1s_com.mode == DEDIC_MODE) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + // case SDCCH, mutliframe 51... + { + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; // Disable FB51 task. + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set synchro semaphore for SB51 task. + l1a_l1s_com.l1s_en_task[SB51] = TASK_ENABLED; // Enable SB51. + } + else + // Dedicated D26 mode or Packet Transfer mode. + { + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Disable FB26 task. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set synchro semaphore for SB26 task. + l1a_l1s_com.l1s_en_task[SB26] = TASK_ENABLED; // Enable SB51. + } + } + #if (L1_GPRS) + else + { // packet transfer mode + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Disable FB26 task. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set synchro semaphore for SB26 task. + l1a_l1s_com.l1s_en_task[SB26] = TASK_ENABLED; // Enable SB51. + l1a_l1s_com.nsync.list[0].sb26_attempt =0; + } + #endif + + // End of process. + return; + } + else + // FB attempt failed. + //------------------- + { + // REM: + // case SDCCH, mutliframe 51..., FB51: 1 attempt. + // case TCH, mutliframe 26..., FB26: 11 attempts. + + if(--nb_fb_attemp == 0) + { + // Disable the FB detection task + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // Reset state machine. + *state = RESET; + } + else + return; + } // endif fb_found + }// endif l1a_l1s_com.dedic_set.handover_fail_mode + } + else + // test in mode D26: L1C_DEDIC_DONE + if(SignalCode == L1C_DEDIC_DONE) + // New channel activated. + //----------------------- + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + //--------------------------------------------- + // We restart the FB detection from scratch !!! + //--------------------------------------------- + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + + // Step in state machine. + *state = WAIT_FB_RESULT; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + { + nb_fb_attemp = 1; // 1 attempt for FB51 detection. + l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; + } + else + { + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + } + // End of process. + return; + } + #if (L1_GPRS) + else + // a new synchronisation was performed + if(((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) + || (SignalCode == L1P_ALLOC_EXHAUST_DONE) + || (SignalCode == L1P_REPEAT_ALLOC_DONE) + || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) + + // New channel activated. + //----------------------- + { + //--------------------------------------------- + // We restart the FB detection from scratch !!! + //--------------------------------------------- + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + + // Step in state machine. + *state = WAIT_FB_RESULT; + + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + + // End of process. + return; + } + #endif + else + #if (L1_GPRS) + // End of packet transfer mode if TBF downlink and uplink have been released + if((SignalCode == MPHC_STOP_DEDICATED_REQ) || + ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) + #else + if(SignalCode == MPHC_STOP_DEDICATED_REQ) + #endif + // Reset messages. + //---------------- + { + // Step in state machine. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case WAIT_SB_RESULT: + { + if(SignalCode == L1C_SB_INFO) + // Synchro Burst acquisition attempt result. + //------------------------------------------ + { + BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; + + #if (L1_GPRS) + static UWORD8 SB26_attempt_counter =0; + #endif + + if(sb_found == TRUE) + // SB detection is a success. + { + UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); + + #if (L1_GPRS) + if(l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) + { + SB26_attempt_counter = 0; // reset for next time + } + #endif + + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // SB detection failled. + { + #if L1_GPRS + if(l1a_l1s_com.l1s_en_task[DEDIC] == TASK_ENABLED) + //--------------------------------------------- + // Dedicated mode tasks are enabled. + //--------------------------------------------- + { + #endif + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // This process must be reset. + *state = RESET; + #if L1_GPRS + } + else + if(l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) + //--------------------------------------------- + // Packet Transfer mode task is enabled. + //--------------------------------------------- + { + + SB26_attempt_counter++; + + if (SB26_attempt_counter >= 2) + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + SB26_attempt_counter = 0; + + // This process must be reset. + *state = RESET; + } + else + { + // End of process. + return; + } + } + #endif + + } + } + + else + // test in mode D26: L1C_DEDIC_DONE + if (SignalCode == L1C_DEDIC_DONE) + // New channel activated. + //----------------------- + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + //--------------------------------------------- + // We restart the FB detection from scratch !!! + //--------------------------------------------- + + // Disable SB26 and SB51 + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + + // Step in state machine. + *state = WAIT_FB_RESULT; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + { + nb_fb_attemp = 1; // 1 attempt for FB51 detection. + l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; + } + else + { + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + } + + // End of process. + return; + } + #if (L1_GPRS) + else + // a new synchronisation was performed + if(((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) + || (SignalCode == L1P_ALLOC_EXHAUST_DONE) + || (SignalCode == L1P_REPEAT_ALLOC_DONE) + || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) + + + // New channel activated. + //----------------------- + { + //--------------------------------------------- + // We restart the FB detection from scratch !!! + //--------------------------------------------- + + // Disable SB26 and SB51 + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + + // Step in state machine. + *state = WAIT_FB_RESULT; + + nb_fb_attemp = 11; // 11 attempts for FB26 detection. + l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; + + // End of process. + return; + } + #endif + + else + #if (L1_GPRS) + // in packet transfer mode: test PDTCH to be sure that TBF downlink and uplink are released + if((SignalCode == MPHC_STOP_DEDICATED_REQ) || + ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) + #else + if(SignalCode == MPHC_STOP_DEDICATED_REQ) + #endif + // Reset messages. + //---------------- + { + // Step in state machine. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + + case WAIT_SBCONF_RESULT: + { + if(SignalCode == L1C_SBCONF_INFO) + // Synchro Burst acquisition attempt result. + //------------------------------------------ + { + UWORD8 sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; + + if(sb_found == TRUE) + // SB detection is a success. + { + UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + + // This process must be reset. + *state = RESET; + } + + else + // SB detection failled. + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + // This process must be reset. + *state = RESET; + } + } + + else + #if (L1_GPRS) + // a new synchronisation was performed + if((SignalCode == L1C_DEDIC_DONE) + || ((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) + || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0)) + || (SignalCode == L1P_ALLOC_EXHAUST_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE)) + #else + if (SignalCode == L1C_DEDIC_DONE) + #endif + // New channel activated. + //----------------------- + { + UWORD32 time_alignmt= 0; //omaps00090550 + UWORD32 fn_offset =0; //omaps00090550 + + // update the SBCNF26 parameters + + // disable SBCNF26 task + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + + // Set semaphores for SBCNF26 task. + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; + + time_alignmt = time_alignmt_mem; + fn_offset = fn_offset_mem; + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; + + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_SBCONF_RESULT; + + // End of process. + return; + } + + else + #if (L1_GPRS) + // End of packet transfer mode if TBF downlink and uplink have been released + if((SignalCode == MPHC_STOP_DEDICATED_REQ) || + ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) + #else + if(SignalCode == MPHC_STOP_DEDICATED_REQ) + #endif + // Reset messages. + //---------------- + { + // Step in state machine. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + // End of process. + return; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. +#endif + + + +//==================================================================// +//==================================================================// +//==================================================================// +//==================================================================// +//==================================================================// +//==================================================================// +//==================================================================// +#if (L1_12NEIGH ==1) +void l1a_dedic6_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + NSYNC_CONFIG = 2, + SELECT_BEST_NSYNC = 3, + WAIT_NSYNC_RESULT = 4, + STOP_NSYNC = 5 + #if (L1_EOTD==1) + ,SCELL_CONFIG = 6 + #endif + }; + + UWORD8 *state = &l1a.state[DEDIC_6]; + UWORD32 SignalCode = msg->SignalCode; + + //#if !L1_R99 + static UWORD8 nb_fb_attempt; + //#endif + + // For EOTD purpose we need of flag to identify 1st/last SB Serving Cell + #if (L1_EOTD==1) + static BOOL first_scell; + static BOOL last_scell; + static BOOL eotd_started; + #endif + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + + // Reset of process is embbeded in other state to + // avoid conflicts between processes using the same + // L1S tasks (Initial Netwirk sync + Idle 6 strongest) + } + break; + + + case WAIT_INIT: + { + #if (L1_GPRS) + // This machine works only for DEDICATED MODE and PACKET TRANSFER MODE + // (Remark: PACKET TRANSFER MODE activated == PDTCH task activated) + if((l1a_l1s_com.mode != DEDIC_MODE) && (l1a_l1s_com.l1s_en_task[PDTCH] != TASK_ENABLED)) return; + #else + // This machine works only for DEDICATED MODE. + if (l1a_l1s_com.mode != DEDIC_MODE) return; + #endif + + // Request to make a synchro. ACQUISITION attempt with the given ARFCN. + //--------------------------------------------------------------------- + if ((SignalCode == MPHC_NCELL_FB_SB_READ) || (SignalCode == MPHC_NCELL_SB_READ) || + (SignalCode == MPHC_NCELL_SYNC_REQ) ||(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) ) + { + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // So the monitoring tasks must ALL be stopped and the reporting + // message with a failure indication must be sent back + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); + + *state = STOP_NSYNC; + break; + } + else + { + #if (L1_EOTD==1) + // Check request validity for this process: for EOTD, nsync must be FREE... + if( (SignalCode == MPHC_NCELL_LIST_SYNC_REQ) && + (((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->eotd == TRUE) && + (l1a_l1s_com.nsync.current_list_size != 0) ) + // End of process. + return; + #endif + + l1a_l1s_com.nsync.first_in_list=0; //reset first_in_list + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[NSYNC]= SEMAPHORE_SET; // Set NSYNC task semaphore. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. + + // Step in state machine. + *state = NSYNC_CONFIG; + } + } + + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; + + + case NSYNC_CONFIG: + { + UWORD8 neigh_id = l1a_l1s_com.nsync.first_in_list; + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Request to acquire FB/SB or to confirm FB or SB from one ncell. + //---------------------------------------------------------------- + // Abort if there is no room for a new neighbour synchro request. + if(l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) + { + *state = WAIT_NSYNC_RESULT; + // end of this process + return; + } + + // There is at least one free location within L1 structure. Find it! + + while((l1a_l1s_com.nsync.list[neigh_id].status != NSYNC_FREE)) + { + neigh_id++; + if (neigh_id == NBR_NEIGHBOURS) neigh_id=0; + } + + // TEMPORARY Code to insure transition between + // OLD and NEW "6 strongest Interface" + //---------------------------------------------- + if (SignalCode == MPHC_NCELL_FB_SB_READ) + { + // Init timing_validity and read radio freq. + l1a_l1s_com.nsync.list[neigh_id].timing_validity = 0; + l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_FB_SB_READ *)(msg->SigP))->radio_freq; + l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; + l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; + + // Ncell WAITING + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + } + else + if (SignalCode == MPHC_NCELL_SB_READ) + { + // Init timing_validity and read radio freq. + l1a_l1s_com.nsync.list[neigh_id].timing_validity = 2; + l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->radio_freq; + time_alignmt = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->fn_offset; + + // Ncell WAITING + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + } + else + if (SignalCode == MPHC_NCELL_SYNC_REQ) + { + // Init timing_validity and read radio freq. + l1a_l1s_com.nsync.list[neigh_id].timing_validity =((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->timing_validity; + l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq; + +#if (L1_FF_MULTIBAND == 1) + { + UWORD8 physical_band_id; + physical_band_id = + l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.nsync.list[neigh_id].radio_freq); + L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); + } +#endif /*#if (L1_FF_MULTIBAND == 1)*/ + + + if (l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) + { + time_alignmt = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->time_alignmt; + fn_offset = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->fn_offset; + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) + { + l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 2 ; + l1a_l1s_com.nsync.list[neigh_id].fb26_position = 255 ; + } + #endif + } + else + { + l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; + l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; + } + + // Ncell WAITING + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + } + + if ( (SignalCode == MPHC_NCELL_SYNC_REQ) || (SignalCode == MPHC_NCELL_SB_READ) ) + { + // Correct timing info from request message with serving cell info. + //----------------------------------------------------------------- + if ( l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) + { + // correct timing + l1a_correct_timing (neigh_id,time_alignmt,fn_offset); + } + } + + if ( SignalCode == MPHC_NCELL_LIST_SYNC_REQ ) + { + // Request to read FB/SB or SB from 1 to 12 neighbour cells. + //---------------------------------------------------------- + UWORD8 nbr_free = (UWORD8) (NBR_NEIGHBOURS) - l1a_l1s_com.nsync.current_list_size; + UWORD8 list_size = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->list_size; + T_MPHC_NCELL_LIST_SYNC_REQ *pt = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP)); + UWORD8 i; + + // Abort if there is no room for a new neighbour synchro request. + if ( (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) || + (nbr_free < list_size) ) + { + *state = WAIT_NSYNC_RESULT; + + // end of this process + return; + } + + #if (L1_EOTD==1) + // Abort if list is not empty before receiving EOTD request ... + if ((pt->eotd == TRUE) && (l1a_l1s_com.nsync.current_list_size !=0)) + { + *state = WAIT_NSYNC_RESULT; + + // end of this process + return; + } + + // store Eotd flag + l1a_l1s_com.nsync.eotd_meas_session = pt->eotd; + #endif + + // Download neighbour info from request message. + //---------------------------------------------- + for (i=0; i<list_size; i++,neigh_id++) + { + if (neigh_id == NBR_NEIGHBOURS) neigh_id = 0; + + // Look for first free location within L1 structure. + // There is at least one free location within L1 structure. Find it! + while((l1a_l1s_com.nsync.list[neigh_id].status != NSYNC_FREE)) + { + neigh_id++; if(neigh_id == NBR_NEIGHBOURS) neigh_id=0;; + } + + l1a_l1s_com.nsync.list[neigh_id].radio_freq = pt->ncell_list[i].radio_freq; + l1a_l1s_com.nsync.list[neigh_id].timing_validity = pt->ncell_list[i].timing_validity; + + if( l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + + // Download ARFCN, timing information and bitmap from the command message. + time_alignmt = pt->ncell_list[i].time_alignmt; + fn_offset = pt->ncell_list[i].fn_offset; + + // correct timing + l1a_correct_timing (neigh_id,time_alignmt,fn_offset); + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) + { + l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 2 ; + l1a_l1s_com.nsync.list[neigh_id].fb26_position = 255 ; + } + #endif + } + else + { + l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; + l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; + } + // set Ncell WAITING + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + + } // end for + } // end if MPHC_NCELL_LIST_SYNC_REQ + + #if (L1_EOTD ==1) + if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // Step in state machine. + *state = SCELL_CONFIG; + } + else + #endif + { + // Step in state machine. + *state = SELECT_BEST_NSYNC; + } + } + break; // case NSYNC_CONFIG + + + #if (L1_EOTD==1) + case SCELL_CONFIG: + { + + UWORD32 fn_offset=0; + UWORD32 time_alignmt=0; + + // Enable L1S activity on the Serving Cell confirmation task + // selects 1st Serving cell monitoring + if (eotd_started == FALSE) + { + eotd_started = TRUE; + first_scell = TRUE; + } + // selects last Serving cell monitoring + else + { + eotd_started = FALSE; + last_scell = TRUE; + } + + // In Eotd : Serving cell is not part of the list + //----------------------------------------------- + // But it must be the 1st monitored + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + #if (L1_EOTD_QBIT_ACC== 1) + time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + fn_offset = l1a_l1s_com.nsync.serv_fn_offset; + #endif + + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + // Load Serving cell in last position [NBR_NEIGHBOURS] + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset_mem = 0; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt_mem= 0; + + // Increment list size + l1a_l1s_com.nsync.current_list_size += 1; + + // Enable Serving cell monitoring + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_NSYNC_RESULT; + + // End of process. + return; + } + #endif + + case SELECT_BEST_NSYNC: + { + BOOL exec_pending_task = FALSE; + UWORD8 id_acquisition; + UWORD8 i = 0; + + // list empty return to STOP_NSYNC + //--------------------------- + if (l1a_l1s_com.nsync.current_list_size == 0) + { + #if (L1_EOTD==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + *state = SCELL_CONFIG; // Step in state machine. + break; + } + else + #endif + { + *state = STOP_NSYNC; // reset process + break; + } + } + + // disable all tasks + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + + // Set semaphores for all neighbor relative task. + l1a_l1s_com.task_param[NSYNC]= SEMAPHORE_SET; // Set NSYNC task semaphore. + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. + + + // Look if there is an ACQUISITION in progress (PENDING) in order to disable + // other cells. + // If MF51, ACQUISITION means FB and SB. If MF26, ACQUISITION means FB only + //--------------------------------------------------------------------------- + // If so, let the new request in WAIT ... + while ( (i<NBR_NEIGHBOURS) && (exec_pending_task==FALSE)) + { + if (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) + { // check FB or SB acquisition + + if ( l1a_l1s_com.nsync.list[i].timing_validity == 0 ) + { + exec_pending_task = TRUE; + } + else if (l1a_l1s_com.mode == DEDIC_MODE) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + if( (l1a_l1s_com.nsync.list[i].timing_validity == SB_ACQUISITION_PHASE) + #else + if( (l1a_l1s_com.nsync.list[i].timing_validity == 3) + #endif + &&((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) ) + exec_pending_task = TRUE; + } + } + i++; + } + + // If there is an ACQUISITION in progress, put all other tasks in WAIT + //-------------------------------------------------------------------- + if (exec_pending_task == TRUE) + { + // if This SB acquisition comes from an FB CONFIRMATION, there may be some SB or + // FB CONFIRMATIONS in PENDING state ==> put them in WAIT to insure FB/SB acquisition. + UWORD8 cell_in_acquisition = i-1; + + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + if (l1a_l1s_com.nsync.list[cell_in_acquisition].timing_validity == SB_ACQUISITION_PHASE) + #else + if (l1a_l1s_com.nsync.list[cell_in_acquisition].timing_validity == 3) + #endif + { //This case is only for MF51 + for (i=0; i < NBR_NEIGHBOURS; i++) + if ((l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) && (i != cell_in_acquisition)) + l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT; + } + + // enable NSYNC + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_NSYNC_RESULT; + + // End of process. + return; + } + + // Otherwise : may be some other tasks (everything but FB aquisition) to set PENDING + // In case we are in MF51, these tasks are SB and FB confirmation + // In case we are in MF26, these tasks are SB and FB confirmation and SB acquisition + //------------------------------------------------------ + + exec_pending_task = FALSE; + for (i=0; i < NBR_NEIGHBOURS; i++) + { + if ( (l1a_l1s_com.nsync.list[i].status == NSYNC_WAIT) || + (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) ) + { + // set all other requested tasks PENDING + if ( l1a_l1s_com.nsync.list[i].timing_validity != 0 ) + { + l1a_l1s_com.nsync.list[i].status = NSYNC_PENDING; + exec_pending_task = TRUE; + // initialise FB attempts for FB CONFIRMATION + if (l1a_l1s_com.nsync.list[i].timing_validity == 1) + #if ((REL99 == 1) && (FF_BHO == 1)) + l1a_l1s_com.nsync.list[i].nb_fb_attempt = 1; + #else + nb_fb_attempt = 1; + #endif + } + } + } + + // If there are no pending task, perhaps there is an FB aquisition task to set pending. + // In this case it is the older request, i.e. first_in_list. + if (exec_pending_task == FALSE) + { + id_acquisition = l1a_l1s_com.nsync.first_in_list; + // id has already been found....... + l1a_l1s_com.nsync.list[id_acquisition].status = NSYNC_PENDING; + + if (l1a_l1s_com.mode == DEDIC_MODE) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + { + #if ((REL99 == 1) && (FF_BHO == 1)) + if (l1a_l1s_com.nsync.list[id_acquisition].timing_validity != 3) + l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 1;; + #else + nb_fb_attempt = 1; // 1 attempt for FB51 detection. + #endif + } + else + { + #if ((REL99 == 1) && (FF_BHO == 1)) + l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 11; + #else + nb_fb_attempt = 11; // 11 attempts for FB26 detection. + #endif // #if ((REL99 == 1) && (FF_BHO == 1)) + } + } + #if (L1_GPRS) + else + { + // packet transfer mode + #if ((REL99 == 1) && (FF_BHO == 1)) + if (l1a_l1s_com.nsync.list[i].timing_validity == 0) + l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 11; // 11 attempts for FB26 detection. + else if (l1a_l1s_com.nsync.list[i].timing_validity == 1) + l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 1; + #else + nb_fb_attempt = 11; // 11 attempts for FB26 detection. + #endif //#if ((REL99 == 1) && (FF_BHO == 1)) + } + #endif + } + + // enable NSYNC + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = WAIT_NSYNC_RESULT; + + // End of process. + end_process = 1; + } + break; // case SELECT_BEST_NSYNC + + case WAIT_NSYNC_RESULT: + { + + if(SignalCode == L1C_FB_INFO) + // Frequency Burst acquisition attempt result. + //-------------------------------------------- + { + BOOL fb_found; + UWORD8 neigh_id = ((T_L1C_FB_INFO *)(msg->SigP))->neigh_id; + UWORD16 neigh_radio_freq = ((T_L1C_FB_INFO *)(msg->SigP))->radio_freq; + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + #if ((REL99 == 1) && (FF_BHO == 1)) + if ((neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq)|| + ((neigh_radio_freq == l1a_l1s_com.nsync.list[neigh_id].radio_freq)&& + (l1a_l1s_com.nsync.list[neigh_id].status==NSYNC_FREE))) + #else + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + #endif + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // The monitoring tasks must be stopped + // And the reporting message with a failure indication must be sent back + { + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + + #if (L1_EOTD==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + + // Set mode DEDIC + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + } + #endif + + // This process must be reset + *state = STOP_NSYNC; + break; + } + + // Get result from the message. + fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; + + if(fb_found == TRUE) + // FB attempt is a success. + // same process Now for DEDIC and PDTCH !!!! + { + // request was FB Confirmation + SB acquisition ..... + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + l1a_l1s_com.nsync.list[neigh_id].timing_validity = SB_ACQUISITION_PHASE ; + #else + l1a_l1s_com.nsync.list[neigh_id].timing_validity = 3; + #endif + l1a_l1s_com.nsync.list[neigh_id].sb26_attempt = 0; + + *state = SELECT_BEST_NSYNC; + + // Must break here to make sure the scheduler + // runs immediately, else the next synchro attempt is not + // started and we get a lock-up condition. + break; + } + else + // FB attempt failed. + //------------------- + { + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + if ((l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) && (l1a_l1s_com.mode == DEDIC_MODE)) + { + UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; + + if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) + l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 1; // force attempt to 1 because we are in SDCCH + } + + l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt-- ; + if (l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt == 0) + + #else + --nb_fb_attempt; + if (nb_fb_attempt == 0) + #endif + { + // if attempt was an FB confirmation, go back to FB full acquisition + // and set it to WAIT state + if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 1) + { + l1a_l1s_com.nsync.list[neigh_id].timing_validity = 0; + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; + + // Step in state machine. + *state = SELECT_BEST_NSYNC; + + // Must break here otherwise a SYNC IND (failure) + // is generated for this event, when we really want the + // FB acquisition to start from scratch with timing_validity=0. + // If the subsequent process fails, then an indication will be + // posted to L3. + break; + } + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + + // Remove cell from list. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) + { + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + } + } + // Step in state machine. + *state = SELECT_BEST_NSYNC; + + // Must break here to make sure the scheduler + // runs immediately, else the next synchro attempt is not + // started and we get a lock-up condition. + break; + } + #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature + else + { // we have to restore timing information which are destroyed after fb search failure + if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) + { + // restore timing and frame information + l1a_l1s_com.nsync.list[neigh_id].fn_offset = l1a_l1s_com.nsync.list[neigh_id].fn_offset_mem; + l1a_l1s_com.nsync.list[neigh_id].time_alignmt = l1a_l1s_com.nsync.list[neigh_id].time_alignmt_mem; + // apply timing correction + l1a_correct_timing (neigh_id,l1a_l1s_com.nsync.list[neigh_id].time_alignmt,l1a_l1s_com.nsync.list[neigh_id].fn_offset); + } + } + #endif + } // End FB failed + + // End of process. + return; + + } // End L1C_FB_INFO + + else + if(SignalCode == L1C_SB_INFO) + // Synchro Burst acquisition attempt result. + //------------------------------------------ + { + BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; + UWORD8 neigh_id = ((T_L1C_SB_INFO *)(msg->SigP))->neigh_id; + UWORD16 neigh_radio_freq = ((T_L1C_SB_INFO *)(msg->SigP))->radio_freq; + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // The monitoring tasks must be stopped + // And the reporting message with a failure indication must be sent back + { + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + + #if (L1_EOTD==1) + + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + + // Set mode DEDIC + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + } + #endif + + // This process must be reset + *state = STOP_NSYNC; + break; + } + + if (sb_found == TRUE) + // SB detection is a success... + //----------------------------- + { + // Read Results. + UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + #if (L1_EOTD==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // compute EOTD data + l1a_compute_Eotd_data(&first_scell,neigh_id, SignalCode, msg); + + // Set mode DEDIC + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + + #if (L1_EOTD_QBIT_ACC ==1) + if (neigh_id != 12) + { + l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); + } + if( (neigh_id == 12) && (last_scell== TRUE) ) + { + l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; + l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; + } + #endif + } + #endif + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + + else + // SB detection failed. + { + // Fix BUG2842 & BUG2864. In packet transfer SB aquisition task can be delayed + // by a higer prioritary task. Two following attempts are re-scheduled. + // First one can fail and we must not init process neither report any + // failure indication to upper layers. + if (l1a_l1s_com.nsync.list[neigh_id].sb26_attempt == 2) + { // sb26_attempt = 2 : first attempt + // sb26_attempt = 3 : second attempt + return; + } + #if (L1_EOTD ==1) + // Set mode DEDIC + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + else + #endif + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + // Remove cell from list. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + #if (L1_EOTD ==1) + // Stop EOTD monitoring after last Serving cell result + //==================================================== + if (last_scell == TRUE) + { + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + *state = STOP_NSYNC; + } + else + { + #endif + if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) + { + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + } + } + // Step in state machine. + *state = SELECT_BEST_NSYNC; + #if (L1_EOTD ==1) + } + #endif + + } // End L1C_SB_INFO + + else + if(SignalCode == L1C_SBCONF_INFO) + // Synchro Burst confirmation attempt result. + //------------------------------------------- + { + UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; + BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; + UWORD16 neigh_radio_freq = ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; + + // Check if this neighbor wasn't removed from the list + // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received + // in the same frame than this L1s message) + if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) + { + //REM: the message is not sent to L3 + return;// Stay in current state. + } + + if (l1a_l1s_com.dedic_set.handover_fail_mode) + // The current state is the dedicated mode during an handover fail + // The monitoring tasks must be stopped + // And the reporting message with a failure indication must be sent back + { + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + + #if (L1_EOTD==1) + + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + + // Set mode DEDIC + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + } + #endif + + // This process must be reset + *state = STOP_NSYNC; + break; + } + + if(sb_found == TRUE) + // SB detection is a success. + { + UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); + UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); + + // Correct "fn_offset" and "time_alignmt" to report the true + // Serving/Neighbor time difference. + // 1) Shift 20 bit since result is from a SB detection. + // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. + l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); + l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); + + #if (L1_EOTD==1) + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + // compute EOTD data + l1a_compute_Eotd_data(&first_scell,neigh_id,SignalCode,msg); + + // Set mode DEDIC + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + + #if (L1_EOTD_QBIT_ACC ==1) + if (neigh_id != 12) + { + l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); + } + if( (neigh_id == 12) && (last_scell== TRUE) ) + { + l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; + l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; + } + #endif + } + #endif + + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + + else + // SB detection failed. + { + #if (L1_EOTD ==1) + // Set mode DEDIC + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; + // Forward the result msg to L3. + l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); + } + else + #endif + + // Send reporting message with a faillure indication. + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); + } + + // Disable a neigh sync. reading. + l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size -= 1; + + #if (L1_EOTD ==1) + // reset first_scell flag + first_scell = FALSE; + + // Stop EOTD monitoring after last Serving cell result + //==================================================== + if (last_scell == TRUE) + { + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + *state = STOP_NSYNC; + } + else + { + #endif + if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) + { + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + if(l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + } + } + // Step in state machine. + *state = SELECT_BEST_NSYNC; + #if (L1_EOTD ==1) + } + #endif + + + } // End L1C_SBCONF_INFO + + else + if((SignalCode == MPHC_NCELL_FB_SB_READ) || (SignalCode == MPHC_NCELL_SB_READ) || + (SignalCode == MPHC_NCELL_SYNC_REQ) || (SignalCode == MPHC_NCELL_LIST_SYNC_REQ)) + // New Request to READ the FB/SB or SB from a given carrier. + // Request to READ the FB/SB or SB of 1 to 12 carriers. + //-------------------------------------------------------- + { + #if (L1_EOTD ==1) + // during EOTD update of list is forbidden..... + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + // Stay in current state. + return; + else + #endif + // Step in state machine. + *state = NSYNC_CONFIG; + } // End new NCELL REQ + + else + if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) + // Request to STOP neighbour cell activity for certain carriers. + //-------------------------------------------------------------- + { + UWORD8 i,j; + UWORD8 array_size; + + array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; + + #if (L1_EOTD ==1) + // Only stop for ALL neighbours in list are accepted. + if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) + { + if ( (array_size != l1a_l1s_com.nsync.current_list_size) && + (array_size != NBR_NEIGHBOURS) ) + // Stay in current state. + return; + } + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + #endif + + // Disable neighbor sync. tasks. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + + if(array_size != NBR_NEIGHBOURS) + { + // Stop some of the Neighb. synchro. + for(i=0;i<array_size;i++) + { + UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array[i]; + + // Search for same value within L1 structure. + j=0; + while(!((radio_freq == l1a_l1s_com.nsync.list[j].radio_freq) && + (l1a_l1s_com.nsync.list[j].status != NSYNC_FREE)) && + (j < NBR_NEIGHBOURS)) + { + j++; + } + + // If found, reset L1 structure for this carrier. + if(j<NBR_NEIGHBOURS) + { + l1a_l1s_com.nsync.list[j].status = NSYNC_FREE; + l1a_l1s_com.nsync.current_list_size --; + #if 0 /* FreeCalypso: match TCS211 object */ + if (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.active_fb_id].radio_freq == radio_freq) + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + #endif + } + } + } + else + { + // Stop all the Neighb. BCCH reading. + l1a_l1s_com.nsync.current_list_size = 0; + + // clear also last location... + for(i=0;i<NBR_NEIGHBOURS+1;i++) + l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; + } + + // Send confirmation message to L3. + l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); + + // All neigh synchro have been removed. + if(l1a_l1s_com.nsync.current_list_size == 0) + { + // Tasks already disabled. + // This process must be reset. + *state = STOP_NSYNC; + } + else + { + // Check if first in list was removed from the list. Go to next first in list + while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) + { + l1a_l1s_com.nsync.first_in_list++; + if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; + } + + // Set semaphores for all neighbor relative task before re-enebling NSYNC task. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + // Step in state machine. + *state = SELECT_BEST_NSYNC; + } + } // End MPHC_STOP_NCELL_SYNC_REQ + + else + #if (L1_GPRS) + // a new synchronisation was performed + if ( (SignalCode == L1C_DEDIC_DONE) + || ((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) + || (SignalCode == L1P_ALLOC_EXHAUST_DONE) + || (SignalCode == L1P_REPEAT_ALLOC_DONE) + || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) + #else //L1_GPRS + // test in mode D26: L1C_DEDIC_DONE : // New channel activated. + if (SignalCode == L1C_DEDIC_DONE) + #endif //L1_GPRS + + // New channel activated or new synchronisation was performed + //----------------------------------------------------------- + { + UWORD32 time_alignmt; + UWORD32 fn_offset; + UWORD8 i; + + + if ( (SignalCode == L1C_DEDIC_DONE) && + ((l1a.confirm_SignalCode == MPHC_SYNC_HO_CON) || + (l1a.confirm_SignalCode == MPHC_PRE_SYNC_HO_CON) || + (l1a.confirm_SignalCode == MPHC_ASYNC_HO_CON) || + (l1a.confirm_SignalCode == MPHC_HANDOVER_FAIL_CON)) ) + { + #if 0 /* LoCosto L1 code, doesn't match TCS211 */ + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + + // In case of a handover, it is hard to update neighbor timings with timing changes. + // Therefore all pending request are restarted as FB acquisition. + // If an EOTD session was running, the 300 ms duration constraint of the session can't + // be achieved. L1 returns a fail to L3 for the session. + + #if (L1_EOTD ==1) + for(i=NBR_NEIGHBOURS+1;i>0;i--) + #else + for(i=0;i<NBR_NEIGHBOURS;i++) + #endif + { + if ( (l1a_l1s_com.nsync.list[i-1].status == NSYNC_PENDING)|| + (l1a_l1s_com.nsync.list[i-1].status == NSYNC_WAIT) ) + { + l1a_l1s_com.nsync.list[i-1].timing_validity = 0; + l1a_l1s_com.nsync.list[i-1].time_alignmt = 0; + l1a_l1s_com.nsync.list[i-1].fn_offset = 0; + // force WAIT state + l1a_l1s_com.nsync.list[i-1].status = NSYNC_WAIT; + + #if (L1_EOTD ==1) + if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) + { + //If an EOTD session is pending, return a fail for remaining requests + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, i-1); + } + #endif + } // if + } // for + + #if (L1_EOTD ==1) + if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) + { + // If the code goes there, an EOTD session is aborting. + // return a fail for last serving cell and reset L1A state machine + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, NBR_NEIGHBOURS); + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + *state = STOP_NSYNC; + break; + } + else + #endif + { + // Step in state machine. + *state = SELECT_BEST_NSYNC; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + } // if + #else + /* code from TSM30 version, matches TCS211 object */ + #if (L1_EOTD ==1) + // FN and time reference are WRONG for remaining neigbours.... + // --> abort all. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + #endif + // Step in state machine. + *state = STOP_NSYNC; + break; + #endif + } // if + + else + { + // Channel changes : Restart all neighbors + //----------------------------------------- + // propagate new dl_tn to all neigbours remaining in EOTD_list !!! + // Reset process. and then restart all tasks. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + +#if (L1_EOTD ==1) + for(i=0;i<NBR_NEIGHBOURS+1;i++) +#else + for(i=0;i<NBR_NEIGHBOURS;i++) +#endif + { + if ( (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING)|| + (l1a_l1s_com.nsync.list[i].status == NSYNC_WAIT) ) + { + // reset SB acquisitions : need to restart from FB !!!! + #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) + if (l1a_l1s_com.nsync.list[i].timing_validity == SB_ACQUISITION_PHASE) + #else + if( l1a_l1s_com.nsync.list[i].timing_validity == 3 ) // SB acquisition + #endif + { + l1a_l1s_com.nsync.list[i].timing_validity = 0; + #if ((REL99 == 1) && (FF_BHO == 1)) + l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT ; + #endif + } + + // FB or SB Confirmations : update timing info + if ((l1a_l1s_com.nsync.list[i].timing_validity == 2) || // SB confirmation + (l1a_l1s_com.nsync.list[i].timing_validity == 1)) // FB confirmation + { + // update the SBCNF26 parameters +#if (L1_EOTD==1) + if ( (i==12) && (l1a_l1s_com.nsync.eotd_meas_session == TRUE)) + { + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. +#if (L1_EOTD_QBIT_ACC== 1) + time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; + fn_offset = l1a_l1s_com.nsync.serv_fn_offset; +#else + time_alignmt = l1a_l1s_com.nsync.list[i].time_alignmt_mem; + fn_offset = l1a_l1s_com.nsync.list[i].fn_offset_mem; +#endif + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset_mem = 0; + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt_mem= 0; + } + else +#endif + { + time_alignmt = l1a_l1s_com.nsync.list[i].time_alignmt_mem; + fn_offset = l1a_l1s_com.nsync.list[i].fn_offset_mem; + } + + // Sub the serving cell timeslot number to the Neigh./Serving timing + // difference to format it for L1S use. + l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); + l1a_sub_time_for_nb(&time_alignmt, &fn_offset); + + l1a_l1s_com.nsync.list[i].time_alignmt = time_alignmt; + l1a_l1s_com.nsync.list[i].fn_offset = fn_offset; + } + + // force WAIT state + l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT; + } + } + //------------------------------------------------------------ + // We restart the FB/SB and SBCONF detection from scratch !!! + //------------------------------------------------------------ + // Set semaphores for all neighbor relative task before re-enebling NSYNC task. + l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; + l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; + + // For EOTD : if the 1st serving cell SB is pending + // or if last serving cell SB is pending + // (when the channel change occured),we must re-start from 1st SB + // of serving cell. + // + // during WAIT_NSYNC_RESULT + // ========================= + // first_scell eotd_started last_scell + // T T F waiting for 1st SB Serving cell + // F T F waiting for SBs Neighbor cells + // F F T waiting for Last SB Serving cell + // F F F no EOTD + // +#if (L1_EOTD == 1) + if ( (first_scell == TRUE) || (last_scell == TRUE)) + { + // force PENDING state for SERVING CELL + l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; + + // Step in state machine. + *state = WAIT_NSYNC_RESULT; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + + + // Must be a return there otherwise there is a lockup on + // handover/channel changes test condition (need to free + // this message...) + return; + } +#endif + // Step in state machine. + *state = SELECT_BEST_NSYNC; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + } // end Else + } // End CHANNEL CHANGE or HANDOVERS + + else + #if (L1_GPRS) + // End of packet transfer mode if TBF downlink and uplink have been released + if((SignalCode == MPHC_STOP_DEDICATED_REQ) || + ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) + #else + if(SignalCode == MPHC_STOP_DEDICATED_REQ) + #endif + // Reset messages. + //---------------- + { + #if (L1_EOTD==1) + // Stop Eotd session. + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + #endif + + // Step in state machine. + *state = STOP_NSYNC; + } +#if ((REL99 == 1) && (FF_BHO == 1)) + else + if( ((SignalCode == MPHC_SYNC_HO_REQ) || + (SignalCode == MPHC_PRE_SYNC_HO_REQ) || + (SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) || + (SignalCode == MPHC_ASYNC_HO_REQ) + ) + && (l1a_l1s_com.dedic_set.handover_type == BLIND_HANDOVER) ) + { + UWORD8 i; + + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + + // In case of a handover, it is hard to update neighbor timings with timing changes. + // Therefore all pending request are restarted as FB acquisition. + // If an EOTD session was running, the 300 ms duration constraint of the session can't + // be achieved. L1 returns a fail to L3 for the session. + #if (L1_EOTD ==1) + for(i=NBR_NEIGHBOURS+1;i>0;i--) + #else + for(i=0;i<NBR_NEIGHBOURS;i++) + #endif + { + if ( (l1a_l1s_com.nsync.list[i-1].status == NSYNC_PENDING)|| + (l1a_l1s_com.nsync.list[i-1].status == NSYNC_WAIT) ) + { + l1a_l1s_com.nsync.list[i-1].timing_validity = 0; + l1a_l1s_com.nsync.list[i-1].time_alignmt = 0; + l1a_l1s_com.nsync.list[i-1].fn_offset = 0; + // force WAIT state + l1a_l1s_com.nsync.list[i-1].status = NSYNC_WAIT; + + #if (L1_EOTD ==1) + if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) + { + //If an EOTD session is pending, return a fail for remaining requests + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, i-1); + } + #endif + } // if + } // for + + #if (L1_EOTD ==1) + if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) + { + // If the code goes there, an EOTD session is aborting. + // return a fail for last serving cell and reset L1A state machine + l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, NBR_NEIGHBOURS); + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + *state = STOP_NSYNC; + break; + } + else + #endif + { + // Step in state machine. + *state = SELECT_BEST_NSYNC; + + // Enable neighbour sync task. + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; + } // if + } +#endif // #if ((REL99 == 1) && (FF_BHO == 1)) + // No action in this machine for other messages. + else + { + // End of process. + return; + } + } + break; + + case STOP_NSYNC: + { + UWORD8 i; + + // Reset process. + // WARNING : NSYNC task and nsync_list are COMMON to dedic and Idle.... + l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; + l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; + + // Disable all neigh sync. reading. + l1a_l1s_com.nsync.current_list_size = 0; + + +#if (L1_EOTD==1) + // reset EOTD flags + first_scell =FALSE; + last_scell =FALSE; + eotd_started =FALSE; + l1a_l1s_com.nsync.eotd_toa_phase = 0; + l1a_l1s_com.nsync.eotd_meas_session = FALSE; + l1a_l1s_com.nsync.eotd_cache_toa_tracking = 0; + l1a_l1s_com.nsync.eotd_toa_tracking = 0; + for (i=0; i<NBR_NEIGHBOURS+1; i++) l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; +#else + for (i=0; i<NBR_NEIGHBOURS; i++) l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; +#endif + // Step in state machine. + *state = WAIT_INIT; + + // End of process + end_process = 1; + + } + break; + + } // end of "switch". + } // end of "while" +} // end of procedure. + +#endif + +/*-------------------------------------------------------*/ +/* l1a_dedic_ba_list_meas_process() */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles neigbor cell */ +/* measurement process in DEDICATED mode with BA list. */ +/* */ +/* Starting messages: L1C_DEDIC_DONE */ +/* ------------------ */ +/* L1 starts then the periodic BA list receive level */ +/* monitoring. */ +/* */ +/* Subsequent messages: MPHC_UPDATE_BA_LIST */ +/* -------------------- */ +/* L1 changes the BA list and starts the periodic BA */ +/* list receive level monitoring with this new list. */ +/* */ +/* Result messages (input): L1C_MEAS_DONE */ +/* ------------------------ */ +/* This is the periodic reporting message from L1s. */ +/* */ +/* Result messages (output): MPHC_MEAS_REPORT */ +/* ------------------------- */ +/* This is the periodic reporting message to L3. */ +/* */ +/* Reset messages (input): MPHC_STOP_DEDICATED_REQ */ +/* ----------------------- */ +/* BA list neigbor cell measurement process in DEDICATED*/ +/* is stopped by this message. */ +/* */ +/*-------------------------------------------------------*/ +void l1a_dedic_ba_list_meas_process(xSignalHeaderRec *msg) +{ + enum states + { + RESET = 0, + WAIT_INIT = 1, + WAIT_RESULT = 3 + + }; + + UWORD8 *state = &l1a.state[D_NMEAS]; + UWORD32 SignalCode = msg->SignalCode; + static BOOL meas_valid; + + BOOL end_process = 0; + while(!end_process) + { + switch(*state) + { + case RESET: + { + // step in state machine. + *state = WAIT_INIT; + + // Reset D_NMEAS process. + l1a_l1s_com.l1s_en_meas &= D_BAMS_MEAS_MASK; // Reset D_BAMS Measurement enable flag. + } + break; + + case WAIT_INIT: + { +#if 0 /* FreeCalypso: match TCS211 object */ + +#if (OP_SAP == 0) + if (SignalCode == MPHC_UPDATE_BA_LIST) +#else + if (SignalCode == MPHC_UPDATE_BA_LIST_REQ) +#endif /* if (OP_SAP == 0) */ + // One reporting period has been completed. + //----------------------------------------- + { + UWORD16 i; + + // Set parameter synchro semaphore for D_BAMS task. + l1a_l1s_com.meas_param |= D_BAMS_MEAS; + + // Reset the BA list structure. + l1a_reset_ba_list(); + + // Next measurement report must indicate INVALID. + meas_valid = FALSE; + + // Enable Dedicated mode BA list measurement task. + l1a.l1a_en_meas[D_NMEAS] |= D_BAMS_MEAS; + + // Reset present flag to avoid to mix 2 updates in case of + // an update already pending within "l1a_l1s_com.ba_list.new_list". + // This case can occur after a Handover and both previous and new + // serving cells are requesting an update. + l1a_l1s_com.ba_list.new_list_present = FALSE; + + // Download new list within L1A_L1S_COM structure. +#if (OP_SAP == 0) + l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST *)(msg->SigP)); +#else + l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST_REQ *)(msg->SigP)); +#endif /* if (OP_SAP == 0) */ + + // Download new list. + for(i=0;i<l1a_l1s_com.ba_list.new_list.num_of_chans;i++) + { +#if (OP_SAP == 0) + l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.A[i]; +#else + l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.BA[i]; +#endif /* if (OP_SAP == 0) */ + + } + + l1a_l1s_com.ba_list.ba_id = l1a_l1s_com.ba_list.new_list.ba_id; + l1a_l1s_com.ba_list.nbr_carrier = l1a_l1s_com.ba_list.new_list.num_of_chans; + + // Set present flag only when the list has been downloaded. + l1a_l1s_com.ba_list.new_list_present = TRUE; + + // step in state machine. + *state = WAIT_RESULT; + } + else +#endif /* FreeCalypso TCS211 reconstruction */ + + if(SignalCode == L1C_DEDIC_DONE) + // We enter DEDICATED mode. + //------------------------- + { +#if 0 /* FreeCalypso: match TCS211 object */ +#if (CODE_VERSION == NOT_SIMULATION) + if (l1a_l1s_com.ba_list.nbr_carrier == 0) + return; +#endif +#endif + + // Set parameter synchro semaphore for D_BAMS task. + l1a_l1s_com.meas_param |= D_BAMS_MEAS; + + // Reset the BA list structure. + l1a_reset_ba_list(); + + // Next measurement report must indicate INVALID. + meas_valid = FALSE; + + // Enable Dedicated mode BA list measurement task. + l1a.l1a_en_meas[D_NMEAS] |= D_BAMS_MEAS; + + // step in state machine. + *state = WAIT_RESULT; + } + + // End of process. + end_process = 1; + } + break; + + case WAIT_RESULT: + { + if(SignalCode == L1C_MEAS_DONE) + // One reporting period has been completed. + //----------------------------------------- + { + // Fill "meas_valid" parameter. + ((T_MPHC_MEAS_REPORT*)(msg->SigP))->meas_valid = meas_valid; + + // Forward result message to L3. + l1a_send_result(MPHC_MEAS_REPORT, msg, RRM1_QUEUE); + + // Next measurement report must indicate VALID. + meas_valid = TRUE; + + // End of process. + return; + } + + if(SignalCode == MPHC_UPDATE_BA_LIST) + // One reporting period has been completed. + //----------------------------------------- + { + // Reset present flag to avoid to mix 2 updates in case of + // an update already pending within "l1a_l1s_com.ba_list.new_list". + // This case can occur after a Handover and both previous and new + // serving cells are requesting an update. + l1a_l1s_com.ba_list.new_list_present = FALSE; + + // Download new list within L1A_L1S_COM structure. + l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST *)(msg->SigP)); + + // Set present flag only when the list has been downloaded. + l1a_l1s_com.ba_list.new_list_present = TRUE; + + // End of process. + return; + } + + else + #if ((REL99 == 1) && (FF_BHO == 1)) + if ((SignalCode == MPHC_STOP_DEDICATED_REQ) || + (((SignalCode == MPHC_SYNC_HO_REQ) || + (SignalCode == MPHC_PRE_SYNC_HO_REQ) || + (SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) || + (SignalCode == MPHC_ASYNC_HO_REQ) + ) && + (l1a_l1s_com.dedic_set.handover_type == BLIND_HANDOVER) + ) + ) + #else + if(SignalCode == MPHC_STOP_DEDICATED_REQ) + #endif // #if ((REL99 == 1) && (FF_BHO == 1)) + // We exit DEDICATED mode. + { + // Stop D_BAMS_MEAS task. + l1a_l1s_com.l1s_en_meas &= D_BAMS_MEAS_MASK; + + // When leaving dedicated mode we must clear the NEW BA + // present flag to keep L1 and L1 in step and to avoid + // taking it into account on the next Dedicated mode + // session. + + // Check inf any NEW BA available, if so download it... + if(l1a_l1s_com.ba_list.new_list_present == TRUE) + { + UWORD16 i; + + // Download new list. + for(i=0;i<l1a_l1s_com.ba_list.new_list.num_of_chans;i++) + { + l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.A[i]; + } + + l1a_l1s_com.ba_list.ba_id = l1a_l1s_com.ba_list.new_list.ba_id; + l1a_l1s_com.ba_list.nbr_carrier = l1a_l1s_com.ba_list.new_list.num_of_chans; + + l1a_l1s_com.ba_list.new_list_present = 0; + } + + // Step in state machine. + *state = RESET; + } + + else + if(SignalCode == L1C_DEDIC_DONE) + // Reset messages. + //---------------- + { + // Step in state machine. + *state = RESET; + } + + else + // No action in this machine for other messages. + //---------------------------------------------- + { + end_process = 1; + } + } + break; + } // end of "switch". + } // end of "while" +} // end of procedure. + +/*-------------------------------------------------------*/ +/* l1a_freq_band_configuration () */ +/*-------------------------------------------------------*/ +/* Description : This state machine handles the frequency*/ +/*band configuration: E_GSM900, GSM900, DCS1800, PCS1900,*/ +/*DUAL, DUALEXT, DUALEXT_PCS1900... */ +/* */ +/* Starting messages: MPHC_INIT_L1_REQ */ +/* */ +/* Result messages (input): none */ +/* Result messages (output): MPHC_INIT_L1_CON */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +void l1a_freq_band_configuration(xSignalHeaderRec *msg) +{ + UWORD32 SignalCode = msg->SignalCode; + UWORD8 *state = &l1a.state[INIT_L1]; + + enum states + { + RESET = 0, + WAIT_INIT = 1 + }; + + BOOL end_process = 0; + + while(!end_process) + { + switch(*state) + { + case RESET: + { + // Step in state machine. + *state = WAIT_INIT; + } + break; + + case WAIT_INIT: + { + + if (SignalCode == MPHC_INIT_L1_REQ) + // Request from L3 which defined the standard, GSM, E-GSM, DCS1800, DUALEXT... + //------------------------------------------------------------------------------- + { +#if (L1_FF_MULTIBAND == 0) + l1_config.std.id = ((T_MPHC_INIT_L1_REQ *)(msg->SigP))->radio_band_config; +#else + UWORD8 physical_band_id; +static UWORD8 rf_band_id_to_l23_band_id[]={PGSM900, GSM850, DCS1800, PCS1900}; +#endif + + + Cust_init_std(); + l1_tpu_init_light(); +#if (L1_FF_MULTIBAND == 0) + + + + #if (TRACE_TYPE == 5) + trace_sim_freq_band_configuration(l1_config.std.id); + #endif + +#endif /*if (L1_FF_MULTIBAND == 0)*/ + + // Forward result message to L3. +#if (L1_FF_MULTIBAND == 0) + + l1a_send_confirmation(MPHC_INIT_L1_CON,RRM1_QUEUE); + +#else // L1_FF_MULTIBAND 1 below + + msg = os_alloc_sig(sizeof(T_MPHC_INIT_L1_CON)); + DEBUGMSG(status, NU_ALLOC_ERR) + msg->SignalCode = MPHC_INIT_L1_CON; + for (physical_band_id = 0; physical_band_id < RF_NB_SUPPORTED_BANDS; physical_band_id ++) + { + ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].radio_band + = + rf_band_id_to_l23_band_id[multiband_rf[physical_band_id].gsm_band_identifier]; + ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].power_class + = multiband_rf[physical_band_id].power_class; + l1a_l1s_com.powerclass[physical_band_id]=multiband_rf[physical_band_id].power_class; + } + for (physical_band_id=RF_NB_SUPPORTED_BANDS; physical_band_id<NB_MAX_GSM_BANDS; physical_band_id++) + { + ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].radio_band = 0xFF; + } + os_send_sig(msg, RRM1_QUEUE); + +#endif // #if (L1_FF_MULTIBAND == 0) else + + // This process must be reset. + *state = RESET; + return; + } + else + // No action in this machine for other messages. + //---------------------------------------------- + { + end_process = 1; + } + break; + } + } // End of switch + } // End of while +} + +/*-------------------------------------------------------*/ +/* l1a_checkmsg_compatibility () */ +/*-------------------------------------------------------*/ +/* Description : This checks the message compatibility, If the */ +/*received message is not compatible with current scenario, */ +/*delay the message or ignore the message.*/ +/* */ +/* */ +/* Result messages (input): xSignalHeaderRec *msg */ +/* Result messages (output): none */ +/* Reset messages (input): none */ +/* */ +/*-------------------------------------------------------*/ +#if(L1_CHECK_COMPATIBLE == 1) +void l1a_checkmsg_compatibility (xSignalHeaderRec *msg) +{ + UWORD32 SignalCode = msg->SignalCode; + + + + /* stop_req is set to True, if ringer stop message is received from MMI */ + if((SignalCode == MMI_AAC_STOP_REQ) || (SignalCode == MMI_MP3_STOP_REQ)) + { + l1a.stop_req = TRUE; + } + + /* This disables vocoder if vocoder is enabled and set vcr_wait to TRUE */ + /* to trigger VCH_R msg when AAC/MP3 is stopped completely. */ + /* This is the case of inband tone where first VCH_R is recvieved and */ + /* then ringer is started */ + if((SignalCode == MMI_AAC_START_REQ) || (SignalCode == MMI_MP3_START_REQ)) + { + if (l1a.vocoder_state.enabled == TRUE) { + + l1a.vcr_wait = TRUE; + l1a.vch_auto_disable = TRUE; + } + } + + /* This is to trigger VCH_R message if message is delayed earliar */ + /* and ringer is stopped completely */ + if ((l1a.stop_req == TRUE) && (l1a.vcr_wait==TRUE)) + { + if ((SignalCode == L1_MP3_DISABLE_CON) || + (SignalCode == L1_AAC_DISABLE_CON)) + { + xSignalHeaderRec *msg_vcr; + msg_vcr = os_alloc_sig(sizeof(T_MMI_TCH_VOCODER_CFG_REQ)); + DEBUGMSG(status,NU_ALLOC_ERR) + msg_vcr->SignalCode = MMI_TCH_VOCODER_CFG_REQ; + ((T_MMI_TCH_VOCODER_CFG_REQ *) (msg_vcr->SigP))->vocoder_state = l1a.vcr_msg_param; + os_send_sig(msg_vcr,L1C1_QUEUE); + DEBUGMSG(status,NU_SEND_QUEUE_ERR) + l1a.vcr_wait = FALSE; + l1a.stop_req = FALSE; + { + char str[25]; + sprintf(str,"TRIGGER VCH"); + rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); + } + } +} + + + /* vcr_wait is set to TRUE to delay the VCH_R if MP3/AAC is not stopped completey*/ + if(SignalCode == MMI_TCH_VOCODER_CFG_REQ) + { + l1a.vcr_msg_param = ((T_MMI_TCH_VOCODER_CFG_REQ *) (msg->SigP))->vocoder_state; + + // MP3 ON or AAC ON + if ((!((l1a.state[L1A_MP3_STATE] == 0) || (l1a.state[L1A_MP3_STATE] == 1))) || + (!((l1a.state[L1A_AAC_STATE] == 0) || (l1a.state[L1A_AAC_STATE] == 1)))) + { + l1a.vcr_wait = TRUE; + msg->SignalCode = NULL; + { + char str[25]; + sprintf(str,"VCH DELAY"); + rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); + } + } + } +} +#endif +