FreeCalypso > hg > fc-magnetite
view src/cs/layer1/p_cfile/l1p_cmpl.c @ 302:0740b5ff15f6
reconstructed L1_GPRS source imported from tcs211-l1-reconst
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Tue, 31 Oct 2017 03:42:35 +0000 |
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/************* Revision Controle System Header ************* * GSM Layer 1 software * L1P_CMPL.C * * Filename l1p_cmpl.c * Copyright 2003 (C) Texas Instruments * ************* Revision Controle System Header *************/ #define L1P_CMPL_C //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #include "l1_macro.h" #include "l1_confg.h" #if L1_GPRS #if (CODE_VERSION == SIMULATION) #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #include "l1_time.h" #include "l1_signa.h" #if TESTMODE #include "l1tm_defty.h" #endif #if (AUDIO_TASK == 1) #include "l1audio_const.h" #include "l1audio_cust.h" #include "l1audio_signa.h" #include "l1audio_defty.h" #include "l1audio_msgty.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_defty.h" #endif #include "l1_defty.h" #include "cust_os.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_proto.h" #include "l1_tabs.h" #include "l1_trace.h" #if L2_L3_SIMUL #include "l2_l3.h" #include "hw_debug.h" #endif #include "l1p_cons.h" #include "l1p_msgt.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_sign.h" #if TESTMODE #include "l1tm_msgty.h" #include "l1tm_signa.h" #endif #include "macs_def.h" #include "macs_cst.h" #include "sim_cons.h" #include "sim_def.h" extern T_hw FAR hw; #else #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #include "l1_time.h" #include "l1_signa.h" #if TESTMODE #include "l1tm_defty.h" #endif #if (AUDIO_TASK == 1) #include "l1audio_const.h" #include "l1audio_cust.h" #include "l1audio_signa.h" #include "l1audio_defty.h" #include "l1audio_msgty.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_defty.h" #endif #include "l1_defty.h" #include "cust_os.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_proto.h" #include "l1_tabs.h" #include "l1_trace.h" #if L2_L3_SIMUL #include "l2_l3.h" #include "hw_debug.h" #endif #include "l1p_cons.h" #include "l1p_msgt.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_sign.h" #if TESTMODE #include "l1tm_msgty.h" #include "l1tm_signa.h" #endif #include "macs_def.h" #include "macs_cst.h" #endif #if(RF_FAM == 61) #include "l1_rf61.h" #include "tpudrv61.h" #endif #include "l1_ctl.h" /*-------------------------------------------------------*/ /* Prototypes of external functions used in this file. */ /*-------------------------------------------------------*/ void l1dmacro_synchro (UWORD32 when, UWORD32 value); void l1dmacro_offset (UWORD32 offset_value, WORD32 relative_time); void l1dmacro_rx_synth (UWORD16 arfcn); void l1dmacro_agc (UWORD16 arfcn,WORD8 gain, UWORD8 lna #if (RF_FAM == 61) ,UWORD8 if_ctl #endif ); #if (L1_MADC_ON == 1) #if (RF_FAM == 61) void l1dmacro_rx_nb (UWORD16 arfcn, UWORD8 adc_active, UWORD8 csf_filter_choice #if (NEW_SNR_THRESHOLD == 1) ,UWORD8 saic_flag #endif /* NEW_SNR_THRESHOLD */ ); #endif /* RF_FAM == 61*/ #else /* L1_MADC_ON == 1*/ void l1dmacro_rx_nb (UWORD16 arfcn); #endif /* L1_MADC_ON == 1*/ void l1dmacro_afc (UWORD16 afc_value, UWORD8 win_id); #if (RF_FAM == 61) void l1dtpu_serv_rx_nb (UWORD16 radio_freq, WORD8 agc, UWORD8 lna_off, UWORD32 synchro_serv,UWORD32 new_offset,BOOL change_offset, UWORD8 adc_active, UWORD8 csf_filter_choice, UWORD8 if_ctl #if (NEW_SNR_THRESHOLD == 1) ,UWORD8 saic_flag #endif /* NEW_SNR_THRESHOLD */ ); void l1pdtpu_serv_rx_nb (UWORD16 radio_freq, WORD8 agc, BOOL lna_off, UWORD8 rx_id, UWORD32 offset_serv, UWORD8 num_rx, UWORD8 rx_group_id, BOOL rx_done_flag, UWORD8 adc_active, UWORD8 csf_filter_choice, UWORD8 if_ctl #if (NEW_SNR_THRESHOLD == 1) ,UWORD8 saic_flag #endif /* NEW_SNR_THRESHOLD */ ); #endif /* RF_FAM == 61*/ #if(RF_FAM != 61) void l1dtpu_serv_rx_nb (UWORD16 radio_freq, WORD8 agc, UWORD8 lna_off, UWORD32 synchro_serv,UWORD32 new_offset,BOOL change_offset, UWORD8 adc_active); void l1pdtpu_serv_rx_nb (UWORD16 radio_freq, WORD8 agc, BOOL lna_off, UWORD8 rx_id, UWORD32 offset_serv, UWORD8 num_rx, UWORD8 rx_group_id, BOOL rx_done_flag,UWORD8 adc_active); #endif void l1pdtpu_serv_tx (UWORD16 radio_freq, UWORD8 timing_advance, UWORD32 offset_serv, UWORD8 tx_id, UWORD8 num_tx, UWORD8 tx_group_id, UWORD8 switch_flag, BOOL burst_type, BOOL rx_flag,UWORD8 adc_active); UWORD8 l1pdtpu_interf_meas (UWORD16 radio_freq, WORD8 agc, UWORD8 lna_off, UWORD8 meas_bitmap, UWORD32 offset_serv, UWORD16 win_id, UWORD8 synchro_ts #if(RF_FAM == 61) ,UWORD8 if_ctl #endif ); void l1s_read_l3frm (UWORD8 pwr_level, API *info_address, UWORD32 task_rx); void l1ps_macs_read (UWORD8 pr_table[8]); void l1ps_macs_ctrl (void); #if TESTMODE void l1ps_tmode_macs_ctrl (void); #endif void l1pddsp_transfer_mslot_power (UWORD8 *txpwr, UWORD16 radio_freq, UWORD8 ul_bitmap); void l1pddsp_single_tx_block (UWORD8 burst_nb, UWORD8 *data, UWORD8 tsc, UWORD16 radio_freq); void l1pddsp_idle_prach_data (BOOL polling, UWORD8 cs_type, UWORD16 channel_request_data, UWORD8 bsic, UWORD16 radio_freq); void l1pddsp_idle_prach_power (UWORD8 txpwr, UWORD16 radio_freq, UWORD8 ts); #if FF_L1_IT_DSP_USF void l1pddsp_idle_rx_nb (UWORD8 burst_nb, UWORD8 tsq, UWORD16 radio_freq, UWORD8 timeslot_no, BOOL ptcch_dl, BOOL usf_interrupt); #else void l1pddsp_idle_rx_nb (UWORD8 burst_nb, UWORD8 tsq, UWORD16 radio_freq, UWORD8 timeslot_no, BOOL ptcch_dl); #endif void l1pddsp_ul_ptcch_data (UWORD8 cs_type, UWORD16 channel_request_data, UWORD8 bsic, UWORD16 radio_freq, UWORD8 timeslot_no); void l1ps_tcr_ctrl (UWORD8 pm_position); void l1pd_afc (void); void l1pddsp_interf_meas_ctrl (UWORD8 nb_meas_req); void l1pddsp_meas_ctrl (UWORD8 nbmeas, UWORD8 pm_pos); void maca_power_control (UWORD8 assignment_id, BOOL crc_error, WORD8 bcch_level, UWORD16 *radio_freq, WORD8 *burst_level, UWORD8 *pch); WORD16 l1s_encode_rxlev (UWORD8 inlevel); void l1pctl_pagc_ctrl (WORD8 *agc, UWORD8 *lna_off, UWORD16 radio_freq,UWORD8 serving_cell); UWORD8 l1pctl_pagc_read (UWORD8 pm, UWORD16 radio_freq); void l1pctl_transfer_agc_ctrl (WORD8 *agc, UWORD8 *lna_off, UWORD16 radio_freq); void l1pctl_npc_agc_read (UWORD8 calibrated_IL[8], T_DB_DSP_TO_MCU_GPRS *pdsp_db_r_ptr, T_NDB_MCU_DSP_GPRS *pdsp_ndb_ptr); void l1pctl_dpcma_agc_read (UWORD8 calibrated_IL[8], T_DB_DSP_TO_MCU_GPRS *pdsp_db_r_ptr, T_NDB_MCU_DSP_GPRS *pdsp_ndb_ptr, UWORD8 pr_table[8]); void l1pctl_dpcmb_agc_read (UWORD8 calibrated_IL[8], T_DB_DSP_TO_MCU_GPRS *pdsp_db_r_ptr, T_NDB_MCU_DSP_GPRS *pdsp_ndb_ptr, UWORD8 pr_table[8]); void l1ps_macs_header_decoding (UWORD8 rx_no, UWORD8 *tfi_result, UWORD8 *pr); void l1ps_update_read_set_parameters(void); void l1ps_bcch_meas_ctrl (UWORD8 ts); //#pragma DUPLICATE_FOR_INTERNAL_RAM_END /*-------------------------------------------------------*/ /* l1ps_ctrl_single() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_single(UWORD8 task, UWORD8 burst_id) { UWORD16 radio_freq; T_INPUT_LEVEL *IL_info_ptr; #if (RF_FAM == 61) UWORD16 dco_algo_ctl_nb = 0; UWORD8 if_ctl = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; // By default we choose the hardware filter UWORD8 csf_filter_choice = L1_SAIC_HARDWARE_FILTER; #endif #if (NEW_SNR_THRESHOLD == 1) UWORD8 saic_flag=0; #endif /* NEW_SNR_THRESHOLD */ // needs to be defined for maca_power_control() function call #define DL_pwr_ctrl l1pa_l1ps_com.transfer.dl_pwr_ctrl if((l1a_l1s_com.l1s_en_task[task] == TASK_ENABLED) && !(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { // Catch ARFCN. // ************* // Get ARFCN to be used for current control. radio_freq = l1a_l1s_com.dedic_set.radio_freq; // Traces and debug. // ****************** #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[task].name); if(burst_id == BURST_1) trace_flowchart_dsptx(dltsk_trace[task].name); #endif #if (TRACE_TYPE!=0) if (l1pa_l1ps_com.transfer.single_block.activity & (SINGLE_DL | SINGLE_UL)) // trace only if a window is programmed trace_fct(CST_L1PS_CTRL_SINGLE, radio_freq); #endif l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; /**************************************************************************/ /* Program DSP for mulstislot operation... */ /**************************************************************************/ /*===============*/ /* Downlink */ /*===============*/ if(l1pa_l1ps_com.transfer.single_block.activity & SINGLE_DL) { // Programs DSP. #if FF_L1_IT_DSP_USF l1pddsp_idle_rx_nb(burst_id, l1pa_l1ps_com.transfer.aset->tsc, radio_freq, 0, FALSE, FALSE); #else l1pddsp_idle_rx_nb(burst_id, l1pa_l1ps_com.transfer.aset->tsc, radio_freq, 0, FALSE); #endif // Flag DSP programmation. // Set "CTRL_RX" flag in the controle flag registers. l1s.dsp_ctrl_reg |= CTRL_RX; } /*===============*/ /* Uplink */ /*===============*/ if(l1pa_l1ps_com.transfer.single_block.activity & SINGLE_UL) { // Pgme DSP for Single block TX on TS=3. l1pddsp_single_tx_block (burst_id, l1pa_l1ps_com.transfer.single_block.data_array, l1pa_l1ps_com.transfer.aset->tsc, radio_freq); // TXPWR control needs to take into account ALPHA, GAMMA and C values, not only TXPWR MAX // => maca_power_control() needs to be called // Initialization of txpwr control values for all time slots { UWORD8 txpwr[8]; UWORD8 i; // Call Uplink Transmit Power level algorithm #if 0 /* LoCosto version */ maca_power_control(l1pa_l1ps_com.transfer.aset->assignment_id, #else /* TCS211 reconstruction */ maca_power_control(DL_pwr_ctrl.assignment_id, #endif DL_pwr_ctrl.crc_error, DL_pwr_ctrl.bcch_level, DL_pwr_ctrl.radio_freq_tbl, DL_pwr_ctrl.burst_level, txpwr); for(i = 0; i < 8; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[i] = txpwr[i]; } } // Pgme DSP for Transmit power on TS=3. l1pddsp_transfer_mslot_power(l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr, radio_freq, 0x80 >> 3); // Flag DSP programmation. // Set "CTRL_TX" flag in the controle flag registers. l1s.dsp_ctrl_reg |= CTRL_TX; } /**************************************************************************/ /* Program TPU for single slot operation... */ /**************************************************************************/ /*===============*/ /* Downlink */ /*===============*/ if(l1pa_l1ps_com.transfer.single_block.activity & SINGLE_DL) { WORD8 agc; UWORD8 lna_off; // Update AGC l1pctl_transfer_agc_ctrl(&agc, &lna_off, radio_freq); #if (RF_FAM == 61) // Locosto DCO cust_get_if_dco_ctl_algo(&dco_algo_ctl_nb, &if_ctl, (UWORD8) L1_IL_VALID, l1a_l1s_com.Scell_used_IL.input_level , radio_freq, if_threshold); l1ddsp_load_dco_ctl_algo_nb(dco_algo_ctl_nb); #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // the l1pctl_transfer_agc_ctrl above csf_filter_choice = l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,task ,&saic_flag #endif ); #endif // tpu pgm... l1pdtpu_serv_rx_nb(radio_freq, agc, lna_off, 0, l1s.tpu_offset, 1, 1, TRUE, INACTIVE, csf_filter_choice, if_ctl #if (NEW_SNR_THRESHOLD == 1) ,saic_flag #endif /* NEW_SNR_THRESHOLD */ ); #endif /* RF_FAM == 61*/ #if (RF_FAM != 61) // tpu pgm... #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // the l1pctl_transfer_agc_ctrl above l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,task #endif ); #endif l1pdtpu_serv_rx_nb(radio_freq, agc, lna_off, 0, l1s.tpu_offset, 1, 1, TRUE, INACTIVE); #endif // Set tpu window identifier for Synthesizer and // according to last RX group position. l1s.tpu_win = l1_config.params.rx_synth_load_split + RX_SPLIT_TABLE[0]; // Flag TPU programmation. // Set "CTRL_RX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_RX; } /*===============*/ /* Uplink */ /*===============*/ if(l1pa_l1ps_com.transfer.single_block.activity & SINGLE_UL) { // Program single block UL slot. // ****************************** l1pdtpu_serv_tx(radio_freq, l1pa_l1ps_com.transfer.aset->packet_ta.ta, l1s.tpu_offset, 3, 1, 1, 0, TX_NB_BURST, l1pa_l1ps_com.transfer.single_block.activity & SINGLE_DL, INACTIVE); // Set tpu window identifier for Synthesizer and // according to last TX group position. l1s.tpu_win =(UWORD16)( (l1_config.params.rx_synth_load_split) + ((UWORD16)3 * BP_SPLIT) + l1_config.params.tx_nb_load_split); // Flag TPU programmation. // Set "CTRL_TX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_TX; #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_UL_NB(task, l1pa_l1ps_com.transfer.aset->packet_ta.ta, l1s.applied_txpwr) #endif } /*===============*/ /* General */ /*===============*/ if(burst_id == BURST_4) { // Single block UL is now complete, reset its activity flag. l1pa_l1ps_com.transfer.single_block.activity &= SINGLE_UL_MASK; if(l1pa_l1ps_com.transfer.aset->allocated_tbf == SINGLE_BLOCK_DL) { // Single block UL is now complete. l1pa_l1ps_com.transfer.single_block.activity &= SINGLE_DL_MASK; } } } // End if(task enabled and semaphore false) else // When the task is aborted, we must continue to make dummy // DSP programming to avoid communication mismatch due // to C/W/R pipelining. { // Flag dummy DSP programmation. // Set "CTRL_TX" flag in the controle flag registers. l1s.dsp_ctrl_reg |= CTRL_TX; } } /*-------------------------------------------------------*/ /* l1ps_ctrl_prach() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_prach(UWORD8 task, UWORD8 burst_id) { UWORD16 radio_freq; UWORD8 txpwr; UWORD8 adc_active = INACTIVE; // Get ARFCN to be used for current control. // ****************************************** radio_freq = l1pa_l1ps_com.p_idle_param.radio_freq; // Get TXPWR value txpwr = l1s.applied_txpwr; // Traces and debug. // ****************** #if (TRACE_TYPE!=0) trace_fct(CST_L1S_CTRL_RACH, radio_freq); #endif #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[task].name); #endif #if FF_L1_IT_DSP_USF // Whenever the USF status is unknown then the PRACH control execution // has to be postponed until DSP USF interrupt fires. if (l1ps_macs_com.usf_status != USF_AWAITED) { #endif // FF_L1_IT_DSP_USF l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; #if FF_L1_IT_DSP_USF // TPU and DSP have to be programmed for transmission only if the USF is // good otherwise this is not a valid opportunity. If there was no USF // uncertainty then the test is void. if ( (l1ps_macs_com.usf_status != USF_IT_DSP) || (((l1ps_dsp_com.pdsp_ndb_ptr->d_usf_updated_gprs >> ((7-0)*2)) & 0x0003) == USF_GOOD)) { // Flags PRACH burst was controlled to TPU/DSP (not cancelled due to USF) l1pa_l1ps_com.pra_info.prach_controlled = TRUE; #endif // FF_L1_IT_DSP_USF #if (CODE_VERSION!=SIMULATION) #if (TRACE_TYPE==2 ) || (TRACE_TYPE==3) L1_trace_string("PRA"); #endif #endif // Programs DSP for required task. // ******************************** { UWORD8 cs_type; if (l1pa_l1ps_com.access_burst_type == ACC_BURST_8) cs_type = CS_PAB8_TYPE; else cs_type = CS_PAB11_TYPE; // ACCESS PRACH dsp control. l1pddsp_idle_prach_data(FALSE, cs_type, l1pa_l1ps_com.pra_info.channel_request_data, l1a_l1s_com.Scell_info.bsic, radio_freq); } l1pddsp_idle_prach_power(txpwr, radio_freq, 3); // ADC measurement // *************** // check if during the RACH an ADC measurement must be performed if (l1a_l1s_com.adc_mode & ADC_EACH_RACH) // perform ADC on each burst adc_active = ACTIVE; // Programs TPU for required task. // ******************************** // tpu pgm... l1dtpu_serv_tx_ra(radio_freq, l1s.tpu_offset, txpwr, adc_active); // Set tpu window identifier for Power meas if any. l1s.tpu_win = (3 * BP_SPLIT) + l1_config.params.tx_ra_load_split + l1_config.params.rx_synth_load_split; // Store frame number to report to L3 l1pa_l1ps_com.pra_info.fn_to_report = l1s.next_time.fn; #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_UL_AB(task,txpwr) #endif // Flag DSP and TPU programmation. // ******************************** // Set "CTRL_TX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_PRACH; l1s.dsp_ctrl_reg |= CTRL_TX; #if FF_L1_IT_DSP_USF }// if ((l1ps_macs_com.usf_status != USF_IT_DSP) || USF_GOOD) else { // PRACH has been cancelled because USF not FREE. Hence Read is skipped. l1pa_l1ps_com.pra_info.prach_controlled = FALSE; } #endif #if FF_L1_IT_DSP_USF } // if (l1ps_macs_com.usf_status != USF_AWAITED) #endif } /*-------------------------------------------------------*/ /* l1ps_ctrl_poll() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_poll(UWORD8 task, UWORD8 burst_id) { UWORD16 radio_freq; // Get ARFCN to be used for current control. // ****************************************** if(l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED) radio_freq = l1a_l1s_com.dedic_set.radio_freq; else radio_freq = l1pa_l1ps_com.p_idle_param.radio_freq; // Traces and debug. // ****************** #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_CTRL_POLL, radio_freq); #endif #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[task].name); #endif l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; #if (CODE_VERSION!=SIMULATION) #if (TRACE_TYPE==2 ) || (TRACE_TYPE==3) L1_trace_string("PRA"); #endif #endif // Programs DSP for required task. // ******************************** { UWORD8 cs_type; cs_type = l1pa_l1ps_com.poll_info.pol_resp_type; if ((cs_type == CS_PAB8_TYPE) || (cs_type == CS_PAB11_TYPE)) { // IDLE POLLING PRACH dsp control. l1pddsp_idle_prach_data(TRUE, cs_type, l1pa_l1ps_com.poll_info.chan_req.prach_data[0], l1a_l1s_com.Scell_info.bsic, radio_freq); l1pddsp_idle_prach_power(l1s.applied_txpwr, radio_freq, 3); // Programs TPU for required task. // ******************************** // tpu pgm... l1dtpu_serv_tx_ra(radio_freq, l1s.tpu_offset, l1s.applied_txpwr,INACTIVE); #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_UL_AB(task,l1s.applied_txpwr) #endif } else { UWORD8 tsc; if(l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED) tsc = l1pa_l1ps_com.transfer.aset->tsc; else tsc = l1pa_l1ps_com.pccch.packet_chn_desc.tsc; // Pgm DSP for Poll Response TX NB on TS=3. l1pddsp_single_tx_block (burst_id, l1pa_l1ps_com.poll_info.chan_req.cs1_data, tsc, radio_freq); // Pgm DSP for Transmit power. l1pddsp_transfer_mslot_power(l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr, radio_freq, 0x80>>3); // Programs TPU for required task. // ******************************** // tpu pgm... l1dtpu_serv_tx_nb(radio_freq, l1pa_l1ps_com.poll_info.timing_advance, l1s.tpu_offset, l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[3],INACTIVE); #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_UL_NB(task, l1pa_l1ps_com.poll_info.timing_advance, l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[3]) #endif } } // Set tpu window identifier for Power meas if any. l1s.tpu_win = (3 * BP_SPLIT) + l1_config.params.tx_nb_load_split + l1_config.params.rx_synth_load_split; // Store frame number to report to L3 if (burst_id == BURST_4) l1pa_l1ps_com.poll_info.fn_to_report = l1s.next_time.fn; // Flag DSP and TPU programmation. // ******************************** // Set "CTRL_TX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_TX; l1s.dsp_ctrl_reg |= CTRL_TX; } #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1s_ctrl_pdtch() */ /*-------------------------------------------------------*/ /* */ /* Description: This is the control function for Multislot Rx/Tx */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /*-------------------------------------------------------*/ void l1ps_ctrl_pdtch(UWORD8 task, UWORD8 burst_id) { if((l1a_l1s_com.l1s_en_task[task] == TASK_ENABLED) && !(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { UWORD16 radio_freq; #if (RF_FAM == 61) // By default we choose the hardware filter UWORD8 csf_filter_choice = L1_SAIC_HARDWARE_FILTER; #endif #if (NEW_SNR_THRESHOLD == 1) UWORD8 saic_flag=0; #endif /* NEW_SNR_THRESHOLD */ // Traces and debug. // ****************** #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[PDTCH].name); #endif l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; // Catch channel description and ARFCN. // ************************************* // Get ARFCN to be used for current control. This ARFCN comes from // the HOPPING algorithm called just before calling this function. radio_freq = l1a_l1s_com.dedic_set.radio_freq; #if (TRACE_TYPE==5) // in simulation trace only one time by frame trace_fct(CST_L1PS_CTRL_PDTCH, radio_freq); #endif /**************************************************************************/ /* Program DSP for mulstislot operation... */ /**************************************************************************/ { UWORD8 tx_allocation; #if TESTMODE if (l1_config.TestMode && (l1_config.tmode.tx_params.burst_data == 11)) // Call dummy MACS for CMU200 loopback mode l1ps_tmode_macs_ctrl(); else #endif { // Call MACS for Medium control, DATA control and RLC-MACS management l1ps_macs_ctrl(); } #if FF_L1_IT_DSP_USF if (l1ps_macs_com.usf_status != USF_AWAITED) { #endif // Compute tx_allocation mixing NB and RA allocations. tx_allocation = l1ps_macs_com.tx_nb_allocation | l1ps_macs_com.tx_prach_allocation; // Pgme TXPWR only if any UL. if(tx_allocation) { // Pgme DSP for Transmit power. // !!! Warning: This function must be called before l1pdtpu_serv_tx() // !!! a_ctrl_abb_gprs is partly overwritten by l1pdtpu_serv_tx() l1pddsp_transfer_mslot_power(l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr, radio_freq, tx_allocation); } #if FF_L1_IT_DSP_USF } #endif } /**************************************************************************/ /* Program TPU for mulstislot operation... */ /**************************************************************************/ { WORD8 ts = 0; UWORD8 rx_group_id = 0; UWORD8 tx_group_id = 0; BOOL pwr_programmed = FALSE; UWORD8 bit_mask = 0x80; WORD8 agc; UWORD8 lna_off; BOOL rx_done_flag; BOOL adc_done = FALSE; UWORD8 adc_active = INACTIVE; #if (RF_FAM == 61) UWORD16 dco_algo_ctl_nb = 0; UWORD16 dco_algo_ctl_pw = 0; UWORD8 if_ctl =0; //omaps00090550; UWORD8 tot_num_rx = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; #endif // AGC and LNA_OFF processing //--------------------------- #if FF_L1_IT_DSP_USF #if L1_EDA if (l1ps_macs_com.usf_status != USF_AWAITED) #else if (l1ps_macs_com.usf_status != USF_IT_DSP) #endif #endif // Same AGC is used for all timeslots l1pctl_transfer_agc_ctrl(&agc, &lna_off, radio_freq); #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // the l1pctl_transfer_agc_ctrl above csf_filter_choice = l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,task ,&saic_flag #endif ); #endif while(ts < 8) { #if FF_L1_IT_DSP_USF #if L1_EDA //Depending on USF status got from DSP, RX allocation may change after //receiving the USF interrupt due to USF status updates if ((l1ps_macs_com.rx_allocation & bit_mask) && (l1ps_macs_com.usf_status != USF_AWAITED)) #else if ((l1ps_macs_com.rx_allocation & bit_mask) && (l1ps_macs_com.usf_status != USF_IT_DSP)) #endif #else if(l1ps_macs_com.rx_allocation & bit_mask) #endif { // We have detected the 1st RX slot number for a new RX group. UWORD8 rx_id = ts; // Save 1st RX timeslot number. UWORD8 num_rx = 1; // 1 RX in the RX group for the moment. // Increment the RX group ID. rx_group_id++; #if (RF_FAM == 61) //Increment the total number of RX slots tot_num_rx++; #endif // Increment TS. ts++; // Jump on next timeslot to keep looking for contiguous RX slots. bit_mask >>= 1; // Look for more contiguous RX slots. while((l1ps_macs_com.rx_allocation & bit_mask) && (ts < 8)) { ts++; num_rx++; #if (RF_FAM == 61) tot_num_rx++; #endif bit_mask >>= 1; } // Check if more RX bursts follow if((l1ps_macs_com.rx_allocation << (ts+1)) & 0xFF) rx_done_flag = FALSE; else rx_done_flag = TRUE; #if (RF_FAM == 61) // Locosto DCO if(rx_group_id == 1) { cust_get_if_dco_ctl_algo(&dco_algo_ctl_nb, &if_ctl, (UWORD8) L1_IL_VALID, l1a_l1s_com.Scell_used_IL.input_level, radio_freq,if_threshold); } if(rx_done_flag == TRUE) { //dco_algo_ctl has 0000 00ZL dco_algo_ctl_nb *= 0x55; // replicate 0000 00zL as ZLZL ZLZL // ZLZLZLZL >> 2*(4-tot_num_rx) where i is the tot_num_rx would produce the // desired dco_algo_ctl_nb For Eg if tot_num_rx is 2 the desired pattern is // 0000 ZLZL dco_algo_ctl_nb = dco_algo_ctl_nb >> (2*( 4 - tot_num_rx)); l1ddsp_load_dco_ctl_algo_nb(dco_algo_ctl_nb); } #endif // ADC measurement // *************** if (adc_done == FALSE) { // check if during the PDTCH burst an ADC measurement must be performed if (l1a_l1s_com.adc_mode & ADC_NEXT_TRAFFIC_DL) // perform ADC only one time { adc_active = ACTIVE; adc_done = TRUE; l1a_l1s_com.adc_mode &= ADC_MASK_RESET_TRAFFIC; // reset in order to have only one ADC measurement in Traffic } else if (l1a_l1s_com.adc_mode & ADC_EACH_TRAFFIC_DL) // perform ADC on each period bloc if (l1s.actual_time.fn_mod104 == 10) //periodic with each PDTCH burst in frame 11 (frame with the lowest CPU load) if ((++l1a_l1s_com.adc_cpt)>=l1a_l1s_com.adc_traffic_period) // wait for the period { adc_active = ACTIVE; adc_done = TRUE; l1a_l1s_com.adc_cpt = 0; } } // update the TPU with the new TOA if necessary if (rx_group_id == 1) // only if synchro performed l1ctl_update_TPU_with_toa(); #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_PDTCH_DL_BURST0 + burst_id, radio_freq); #endif // Program RX scenario. l1pdtpu_serv_rx_nb(radio_freq, agc, lna_off, rx_id, l1s.tpu_offset, num_rx, rx_group_id, rx_done_flag,adc_active #if (RF_FAM == 61) ,csf_filter_choice ,if_ctl #endif #if (NEW_SNR_THRESHOLD == 1) ,saic_flag #endif ); adc_active = INACTIVE; // ADC performed only on the first RX burst // Set tpu window identifier for Synthesizer and // according to last RX group position. l1s.tpu_win = (l1_config.params.rx_synth_load_split) + ((UWORD16)rx_id * BP_SPLIT) + RX_SPLIT_TABLE[num_rx-1]; // Set "CTRL_RX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_RX; l1s.dsp_ctrl_reg |= CTRL_RX; } else #if FF_L1_IT_DSP_USF if ((l1ps_macs_com.tx_nb_allocation & bit_mask) && (l1ps_macs_com.usf_status != USF_AWAITED)) #else if(l1ps_macs_com.tx_nb_allocation & bit_mask) #endif { // We have detected the 1st TX NB slot number for a new TX group. UWORD8 tx_id = ts; // Save 1st TX timeslot number. UWORD8 num_tx = 1; // 1 RX in the TX group for the moment. UWORD8 switch_flag; // Increment the TX group ID. tx_group_id++; // Increment TS. ts++; // Jump on next timeslot to keep looking for contiguous TX slots. bit_mask >>= 1; // Look for more contiguous TX slots. while((l1ps_macs_com.tx_nb_allocation & bit_mask) && (ts < 8)) { ts++; num_tx++; bit_mask >>= 1; } // Detect special case: TX NB followed by PRACH. if(l1ps_macs_com.tx_prach_allocation & bit_mask) { switch_flag = 1; } else { switch_flag = 0; } #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_PDTCH_UL, radio_freq); #endif // Program TN NB scenario. l1pdtpu_serv_tx(radio_freq, l1pa_l1ps_com.transfer.aset->packet_ta.ta, l1s.tpu_offset, tx_id, num_tx, tx_group_id, switch_flag, 0, // Driver called for Normal Burst. TRUE,INACTIVE);// Flag RX in same frame as TX // Set tpu window identifier for Synthesizer and // according to last TX group position. // TX offset = tx_id * BP_SPLIT // TX load = (num_tx-1) * BP_SPLIT + l1_config.params.tx_load_split l1s.tpu_win = (l1_config.params.rx_synth_load_split) + ((UWORD16)tx_id * BP_SPLIT) + ((UWORD16)(num_tx -1) * BP_SPLIT) + l1_config.params.tx_nb_load_split; // Set "CTRL_TX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_TX; l1s.dsp_ctrl_reg |= CTRL_TX; } else #if FF_L1_IT_DSP_USF if ((l1ps_macs_com.tx_prach_allocation & bit_mask) && (l1ps_macs_com.usf_status != USF_AWAITED)) #else if(l1ps_macs_com.tx_prach_allocation & bit_mask) #endif { // We have detected a TX RA. UWORD8 switch_flag; // Increment the TX group ID. tx_group_id++; // Jump on next timeslot. bit_mask >>= 1; // Detect special case: PRACH followed by TX NB. if(l1ps_macs_com.tx_nb_allocation & bit_mask) { switch_flag = 1; } // Detect special case: PRACH followed by PRACH else if (l1ps_macs_com.tx_prach_allocation & bit_mask) { // Solution with DSP patch supporting PRACH|PRACH switch_flag = 2; } else { switch_flag = 0; } #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_PDTCH_RA, radio_freq); #endif // Program TX RA scenario. l1pdtpu_serv_tx(radio_freq, l1pa_l1ps_com.transfer.aset->packet_ta.ta, l1s.tpu_offset, ts, 1, // Driver is called for each PRACH. tx_group_id, switch_flag, TX_RA_BURST, // Driver called for PRACH Burst. TRUE,INACTIVE); // Flag RX in same frame as TX // Set tpu window identifier for Synthesizer and // according to last TX group position. // TX offset = ts * BP_SPLIT // TX load = l1_config.params.tx_nb_load_split // original value of TX load (RACH) replaced by TX NB to take into account TX_NB|PRACH with max. TA l1s.tpu_win = (l1_config.params.rx_synth_load_split) + ((UWORD16)ts * BP_SPLIT) + l1_config.params.tx_nb_load_split; // Increment TS. ts++; // Set "CTRL_TX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_TX; l1s.dsp_ctrl_reg |= CTRL_TX; } else #if FF_L1_IT_DSP_USF if ((l1ps_macs_com.pwr_allocation & bit_mask) && (pwr_programmed == 0) && (l1ps_macs_com.usf_status != USF_AWAITED)) #else if((l1ps_macs_com.pwr_allocation & bit_mask) && (pwr_programmed == 0)) #endif { // We have detected a PWR allocation and no PWR programmed in current frame. if((l1pa_l1ps_com.transfer.aset->pc_meas_chan == FALSE) && ((l1s.actual_time.t2 == 1) || (l1s.actual_time.t2 == 9) || (l1s.actual_time.t2 == 18))) { #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_CTRL_PC_MEAS_CHAN, (UWORD32)(-1)); #endif // Measurement on the beacon (PC_MEAS_CHAN = 0) l1ps_bcch_meas_ctrl(ts); } else if(l1pa_l1ps_com.l1ps_en_meas & P_TCRMS_MEAS) { // Neighbour Measurement CTRL Phase // Note: Test on l1s.forbid_meas can't be done from the fact that at this // level, l1s.forbid_meas is not set. // l1ps_ctrl_pdtch is called before CTRL of FB26/SB26/SBCNF26. if(!((l1s.actual_time.t2 == 23) && ((l1s.task_status[FB26].current_status != INACTIVE) || (l1s.task_status[SB26].current_status != INACTIVE) || (l1s.task_status[SBCNF26].current_status != INACTIVE)))&& !(l1pa_l1ps_com.tcr_freq_list.new_list_present && ((l1pa_l1ps_com.tcr_freq_list.cres_meas_report == 0) || (l1pa_l1ps_com.tcr_freq_list.cres_meas_report == 103)))) { if(!(l1pa_l1ps_com.meas_param & P_TCRMS_MEAS)) { #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_CTRL_TCR_MEAS_1, (UWORD32)(-1)); #endif l1ps_tcr_ctrl((UWORD8)ts); } } } // End of CTRL PDTCH phase // Increment TS. ts++; // Flag that a PWR as been programmed for current frame. pwr_programmed = TRUE; // Jump on next timeslot. bit_mask >>= 1; // Call PWR control function } else { // Increment TS. ts++; // Jump on next timeslot. bit_mask >>= 1; } } // End of "while(ts < 8)" #if FF_L1_IT_DSP_USF if (l1ps_macs_com.usf_status != USF_AWAITED) #endif // Update of AFC l1pd_afc(); } } // End if(task enabled and semaphore false) else // When the task is aborted, we must continue to make dummy // DSP programming to avoid communication mismatch due // to C/W/R pipelining. { #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_PDTCH_DUMMY, (UWORD32)(-1)); #endif // Flag dummy DSP programmation. // Set "CTRL_TX" flag in the controle flag registers. l1s.dsp_ctrl_reg |= CTRL_TX; } } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM /*-------------------------------------------------------*/ /* l1s_read_single() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_read_single(UWORD8 task, UWORD8 burst_id) { if((l1a_l1s_com.l1s_en_task[task] == TASK_ENABLED) && !(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { // Read param updating... if (l1ps.read_param.new_set == TRUE) { // If it's the first Read phase of the block (first of the new TBF) if (burst_id == BURST_1) { // Update the "read_param" structure l1ps_update_read_set_parameters(); } } /*--------------------------------------------------------*/ /* READ TRANSMIT TASK RESULTS... */ /*--------------------------------------------------------*/ l1_check_com_mismatch(task); // check PM error only in case of downlink single block if(l1ps.read_param.allocated_tbf == SINGLE_BLOCK_DL) { UWORD32 pm; pm = (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[0] & 0xffff) >> 5; l1_check_pm_error(pm,task); } // Two phase access: downlink PDCH reading if((l1ps.read_param.allocated_tbf == TWO_PHASE_ACCESS)&& (l1ps_dsp_com.pdsp_db_r_ptr->d_task_d_gprs & (0x80 >> 0))) { UWORD8 IL_for_rxlev[8]; UWORD8 pr_table[8]; if (burst_id == BURST_4) l1ps_macs_header_decoding(0, &(IL_for_rxlev[0]), &(pr_table[0])); // Update AGC and extract IL for RXLEV //------------------------------------ if (l1ps.read_param.dl_pwr_ctl.p0 == 255) { // No power control mode AGC algorithm l1pctl_npc_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr); } else { // Downlink power control AGC algorithms if (l1pa_l1ps_com.transfer.aset->dl_pwr_ctl.bts_pwr_ctl_mode == 0) { // BTS Power control mode A l1pctl_dpcma_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr, pr_table); } else { // BTS power control mode B l1pctl_dpcmb_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr, pr_table); } } // End of "AGC algorithm" } #if (TRACE_TYPE!=0) && (TRACE_TYPE !=5) trace_fct(CST_L1PS_READ_SINGLE, l1a_l1s_com.Scell_info.radio_freq); #endif // Read downlink DATA block from MCU/DSP interface. // ************************************************* if(burst_id == BURST_4) { xSignalHeaderRec *msg; #if (TRACE_TYPE==5) // in simulation trace only the 4th burst trace_fct(CST_L1PS_READ_SINGLE, l1a_l1s_com.Scell_info.radio_freq); #endif if(l1ps.read_param.allocated_tbf == TWO_PHASE_ACCESS) // 2 phase ACCESS. { if((l1ps_dsp_com.pdsp_db_r_ptr->d_task_u_gprs & (0x80 >> 3)) && (l1s.task_status[POLL].current_status == INACTIVE)) // UL block sent... { // Send confirmation msg to L3/MACA. msg = os_alloc_sig(sizeof(T_MPHP_SINGLE_BLOCK_CON)); DEBUGMSG(status,NU_ALLOC_ERR) // Return "Single block" purpose. ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose = l1pa_l1ps_com.transfer.aset->assignment_command; ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->assignment_id = l1pa_l1ps_com.transfer.aset->assignment_id; // Return status and CRC error (CRC error not applicable). ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->status = SINGLE_UL_DONE; ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->dl_error_flag = 0; // MSG is sent to L1A to stop PCCCH or CCCH/BCCH reading. msg->SignalCode = L1P_SINGLE_BLOCK_CON; os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) } if(l1ps_dsp_com.pdsp_db_r_ptr->d_task_d_gprs & (0x80 >> 0)) // DL block received... { UWORD16 pwr_level; #if (L1_FF_MULTIBAND == 1) UWORD16 operative_radio_freq; #endif /*(L1_FF_MULTIBAND == 1)*/ // this bloc doesn't compute the burst input level, so the last_input_level is used. #if (L1_FF_MULTIBAND == 0) pwr_level = l1a_l1s_com.last_input_level[l1a_l1s_com.Scell_info.radio_freq].input_level; #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); pwr_level = l1a_l1s_com.last_input_level[operative_radio_freq].input_level; #endif // #if (L1_FF_MULTIBAND == 0) else // Read L3 frame block and send msg to L1A. l1s_read_l3frm(pwr_level, &(l1ps_dsp_com.pdsp_ndb_ptr->a_dd_gprs[0][0]), task); } } else { // SYNCHRO task is not schedule if we are in the specific case: // L1A is touching SYNCHRO parameters (tn_difference, dl_tn and dsp_scheduler_mode) // and leave L1A to go in HISR (L1S) in middle of the update (cf. BUG1339) if(l1a_l1s_com.task_param[SYNCHRO] == SEMAPHORE_RESET) { //---------------- // Synchro back //---------------- // 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.tn_difference += l1pa_l1ps_com.transfer.single_block.dl_tn_to_restore - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = l1pa_l1ps_com.transfer.single_block.dl_tn_to_restore; // Select DSP Scheduler used in packet Idle (can be CCCH or PCCCH). if((l1a_l1s_com.l1s_en_task[ALLC] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[NP] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[EP] == TASK_ENABLED)) { // We are in CS Idle on CCCH. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; } // Enable SYNCHRO task. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; } //------------------ // Confirmation msg //------------------ // Common part... { // Send confirmation msg to L3/MACA. msg = os_alloc_sig(sizeof(T_MPHP_SINGLE_BLOCK_CON)); DEBUGMSG(status,NU_ALLOC_ERR) ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose = l1pa_l1ps_com.transfer.aset->assignment_command; ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->assignment_id = l1pa_l1ps_com.transfer.aset->assignment_id; msg->SignalCode = L1P_SINGLE_BLOCK_CON; // Disable SINGLE task. l1s.task_status[task].current_status = INACTIVE; l1a_l1s_com.l1s_en_task[task] = TASK_DISABLED; } // Differentiated part... if(l1pa_l1ps_com.transfer.aset->allocated_tbf == SINGLE_BLOCK_UL) // SINGLE UL task is complete. { // Return status and CRC error (CRC error not applicable). ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->status = SINGLE_UL_DONE; ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->dl_error_flag = 0; } else if(l1ps.read_param.allocated_tbf == SINGLE_BLOCK_DL) // SINGLE DL task is complete. { API *info_address; UWORD32 i,j; UWORD32 word32; info_address = &(l1ps_dsp_com.pdsp_ndb_ptr->a_dd_gprs[0][0]); // Return status and CRC error ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->status = SINGLE_DL_DONE; ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->dl_error_flag = ((*info_address & 0x0100) >> 8); // Download data from API to message. // Get 24 bytes info. from DSP: CS1 meaningful block is of size 12 UWORD16 data. // !!! WARNING: word32 type is for compatibility with chipset == 0. // Can be word16 if only chipset == 2 is used. for (j=0, i=0; i<12; i++) { word32 = info_address[4 + i]; // Get info word, rem: skip info. header. ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->data_array[j++] = (word32 & 0x000000ff); ((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->data_array[j++] = (word32 & 0x0000ff00) >> 8; } } // send message... os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) } // End else (!TWO_PHASE_ACCESS) } // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } // End if(task enabled and semaphore false) else // When the task is aborted, we must continue to make dummy // DSP/TPU programming to avoid communication mismatch due // to C/W/R pipelining. Dummy MCU/DSP reading is also done. { // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } } #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1ps_read_pdtch() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_read_pdtch(UWORD8 task, UWORD8 burst_id) { if((l1a_l1s_com.l1s_en_task[task] == TASK_ENABLED) && !(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { BOOL beacon; T_INPUT_LEVEL *IL_info_ptr; UWORD16 radio_freq; WORD8 ts = 0; UWORD8 bit_mask = 0x80; WORD8 bcch_level; UWORD8 rx_no = 0; BOOL first_valid_block = TRUE; BOOL crc_error = TRUE; UWORD8 i; UWORD32 best_snr = 0; UWORD32 best_angle = 0; UWORD32 best_pm = 0; UWORD8 IL_for_rxlev[8], pr_table[8]; WORD16 best_rxlev_accu = 0; static BOOL crc_error_tbl[8] = {TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE}; static WORD16 rxlev_accu[8] = {0, 0, 0, 0, 0, 0, 0, 0}; static WORD8 burst_level[4] = {(WORD8)0x80, (WORD8)0x80, (WORD8)0x80, (WORD8)0x80}; static UWORD16 radio_freq_tbl[4]; static UWORD32 toa_val[4] = {0, 0, 0, 0}; static UWORD32 snr_val[4] = {0, 0, 0, 0}; #if TESTMODE xSignalHeaderRec *msg; static UWORD32 tm_pm_fullres = 0; static UWORD32 tm_snr = 0; static UWORD32 tm_toa = 0; static WORD16 tm_angle = 0; #endif #define burst_number l1ps_dsp_com.pdsp_db_r_ptr->d_burst_nb_gprs #define DL_pwr_ctrl l1pa_l1ps_com.transfer.dl_pwr_ctrl // Read parameters updating // ************************* // *********** // * WARNING * // *********** // Because of the STI implementation, the parameters under the "l1pa_l1ps_com.transfer.aset" // structure mustn't be used in the Read PDTCH functions // This is due to the following case that may happen: // // C|W R | // |C W R | // | C W R| TBF 1 // | C W|R <--------------------------- (2) This "read phase" must use the TBF 1 parameters while "aset" has already been updated //---------------------- so the read_param structure is used // | C|W R <------------------------- (3) The read_param is updated with TBF 2 parameters // | |C W R at the beguining of the first Read of TBF 2 // | | C W R TBF 2 so when (l1ps.read_param.new_set = TRUE and burst_id = BURST_1) // | | C W R // ^ // (1) TBF 2 starting time detected on this frame (no SYNCHRO change needed between TBF1 and TBF 2) // --> aset parameters updated to TBF 2 // --> l1ps.read_param.new_set set to TRUE // If a new TBF has been enabled... if (l1ps.read_param.new_set == TRUE) { // If it's the first Read phase of the block (first of the new TBF) if (burst_id == BURST_1) { // Update the "read_param" structure l1ps_update_read_set_parameters(); } } // Traces and debug. // ****************** l1_check_com_mismatch(task); radio_freq = l1a_l1s_com.dedic_set.radio_freq_dd; if(l1ps.read_param.pc_meas_chan) { radio_freq_tbl[burst_number] = radio_freq; } else { radio_freq_tbl[burst_number] = l1a_l1s_com.Scell_info.radio_freq; } if (radio_freq == l1a_l1s_com.Scell_info.radio_freq) { beacon=1; IL_info_ptr = &l1a_l1s_com.Scell_info.traffic_meas_beacon; } else { beacon=0; IL_info_ptr = &l1a_l1s_com.Scell_info.traffic_meas; } // Call maca_power_control() in order to get TXPWR value if(l1ps_dsp_com.pdsp_db_r_ptr->d_burst_nb_gprs == 2) { UWORD8 txpwr[8]; UWORD8 i; // Due to the CWR pipeleine, maca_power_control() has to be called before the // CTRL of the first PDTCH i.e. in l1ps_ctrl_pdtch(). It means that crc_error, // radio_freq_tbl[], burst_level[] and bcch_level information are stored on // burst4 of READ phase ("l1ps_ctrl_pdtch()") to be used on burst4 of CTRL phase. // Call Uplink Transmit Power level algorithm #if 0 /* LoCosto version */ maca_power_control(l1ps.read_param.assignment_id, #else /* TCS211 reconstruction */ maca_power_control(DL_pwr_ctrl.assignment_id, #endif DL_pwr_ctrl.crc_error, DL_pwr_ctrl.bcch_level, DL_pwr_ctrl.radio_freq_tbl, DL_pwr_ctrl.burst_level, txpwr); #if TESTMODE if(!l1_config.TestMode) #endif { for(i = 0; i < 8; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[i] = txpwr[i]; } } } if(l1ps_dsp_com.pdsp_db_r_ptr->d_burst_nb_gprs == 3) /*---------------------------------------------------*/ /* Complete PDTCH DL block has been processed by DSP */ /*---------------------------------------------------*/ { #if (TRACE_TYPE == 5) // in simulation trace only the latest burst trace_fct(CST_L1PS_READ_PDTCH, radio_freq); #endif // Call MACS... l1ps_macs_read(pr_table); } // Update AGC and extract IL for RXLEV //------------------------------------ if (l1ps.read_param.dl_pwr_ctl.p0 == 255) { // No power control mode AGC algorithm l1pctl_npc_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr); } else { // Downlink power control AGC algorithms if (l1ps.read_param.dl_pwr_ctl.bts_pwr_ctl_mode == 0) { // BTS Power control mode A l1pctl_dpcma_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr, pr_table); } else { // BTS power control mode B l1pctl_dpcmb_agc_read(IL_for_rxlev, l1ps_dsp_com.pdsp_db_r_ptr, l1ps_dsp_com.pdsp_ndb_ptr, pr_table); } } // End of "AGC algorithm" // TOA algorithm is called with toa/snr pair from last block (N-1) // Feed TOA histogram with values from good bursts (crc_error = FALSE) // otherwise input snr = 0. #if (TOA_ALGO != 0) // Good block, TOA from TS=0 #if (TOA_ALGO == 2) if(l1s.toa_var.toa_snr_mask == 0) #else if(l1s.toa_snr_mask == 0) #endif { #if (TOA_ALGO == 2) { UWORD32 snr_temp; snr_temp = (crc_error_tbl[0] == FALSE) ? snr_val[burst_id] : 0; l1s.toa_var.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, snr_temp, toa_val[burst_id]); } #else { /* FreeCalypso TCS211 reconstruction */ if (crc_error_tbl[0] == FALSE) { l1s.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, snr_val[burst_id], toa_val[burst_id], &l1s.toa_update, &l1s.toa_period_count #if (FF_L1_FAST_DECODING == 1) ,0 #endif ); } else { l1s.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, 0, toa_val[burst_id], &l1s.toa_update, &l1s.toa_period_count #if (FF_L1_FAST_DECODING == 1) ,0 #endif ); } } #endif } #endif /*---------------------------------------------------*/ /* Read burst demodulation info for control algos */ /* Use all burst results to feed the algos. */ /*---------------------------------------------------*/ while(ts < 8) { if(l1ps_dsp_com.pdsp_db_r_ptr->d_task_d_gprs & bit_mask) { UWORD32 toa; UWORD32 pm; UWORD32 angle; UWORD32 snr; WORD8 rxlev; // Read control results and feed control algorithms. // ************************************************** // Read control information. toa = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_toa_gprs[ts] & 0xffff; pm = (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[ts] & 0xffff)>>5; angle = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_angle_gprs[ts] & 0xffff; snr = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_snr_gprs[ts] & 0xffff; #if (TRACE_TYPE != 0) && (TRACE_TYPE != 5) // for debug trace all bursts trace_fct(CST_L1PS_READ_PDTCH_BURST, (UWORD32)(-1)); #endif l1_check_pm_error(pm,task); #if TESTMODE // Test mode stats if (l1_config.TestMode) { if (bit_mask & l1_config.tmode.stats_config.stat_gprs_slots) { tm_pm_fullres += (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[ts] & 0xffff); tm_snr += snr; tm_toa += toa; tm_angle += (WORD16) angle; // signed } } #endif #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_DL_BURST(angle, snr, l1s.afc, task, pm, toa, IL_for_rxlev[ts]) #endif #if 0 //(TRACE_TYPE == 1) || (TRACE_TYPE == 4) // TCS211 reconstruction l1_trace_burst_param(angle, snr, l1s.afc, task, pm, toa, IL_for_rxlev[ts]); #endif #if (BURST_PARAM_LOG_ENABLE == 1) l1_log_burst_param(angle, snr, l1s.afc, task, pm, toa, IL_for_rxlev[ts]); #endif //Look for the pairs angle, snr with the maximum snr if (snr > best_snr) { best_snr = snr; best_angle = angle; best_pm = pm; } // store toa value from first TS if (ts==0) { toa_val[burst_id] = toa; snr_val[burst_id] = snr; } // Store Received Signal Level to be used in Uplink Transmit Power Algorithm. // Compute RXLEV rxlev = l1s_encode_rxlev(IL_for_rxlev[ts]); // Find first correct PDTCH, save RXLEV and CRC if(!crc_error_tbl[ts] && first_valid_block) { if(l1ps.read_param.pc_meas_chan) { burst_level[burst_number] = rxlev; } else { burst_level[burst_number] = (WORD8)0x80; } // Measures on first valid block have been performed. Reset flag. first_valid_block = FALSE; // Save crc_error crc_error = crc_error_tbl[ts]; } // End of measurements storage // If All PDTCH are incorrect (bad CRC) save RXLEV and CRC of the best PDTCH if(first_valid_block) { rxlev_accu[ts] += rxlev; if(rxlev_accu[ts] > best_rxlev_accu) { best_rxlev_accu = rxlev_accu[ts]; crc_error = crc_error_tbl[ts]; if(l1ps.read_param.pc_meas_chan) { burst_level[burst_number] = rxlev; } else { burst_level[burst_number] = (WORD8)0x80; } } } // Determine first valid block to be used in next radio block if(l1ps_dsp_com.pdsp_db_r_ptr->d_burst_nb_gprs == 3) /*---------------------------------------------------*/ /* Complete PDTCH DL block has been processed by DSP */ /*---------------------------------------------------*/ { crc_error_tbl[ts] = ((l1ps_dsp_com.pdsp_ndb_ptr->a_dd_gprs[rx_no][0] & 0x0100) >> 8); // Increment Rx burst number rx_no++; } #if TRACE_TYPE==3 stats_samples_nb(toa,pm,angle,snr,burst_id,task); #endif } // End of if(l1ps_dsp_com.pdsp_db_r_ptr->d_task_d_gprs & bit_mask) // Increment timeslot ts++; // Shift Mask. bit_mask >>= 1; } // End of while(ts < 8) // AFC control algorithm is called with values retrieved from // burst with max. snr // AFC algorithm is called on bursts 0 and 2: this is sufficient to // have a correct behavior and this permits to gain CPU // Update AFC: Call AFC control function (KALMAN filter). #if AFC_ALGO #if TESTMODE if (l1_config.afc_enable) #endif { if((burst_id == 0) || (burst_id == 2)) #if (VCXO_ALGO == 0) l1s.afc = l1ctl_afc(AFC_CLOSED_LOOP, &l1s.afc_frame_count, (WORD16)best_angle, best_snr, radio_freq); #else l1s.afc = l1ctl_afc(AFC_CLOSED_LOOP, &l1s.afc_frame_count, (WORD16)best_angle, best_snr, radio_freq,l1a_l1s_com.mode); #endif } #endif #if (TRACE_TYPE == 1)||(TRACE_TYPE == 4) if (trace_info.current_config->l1_dyn_trace & 1<<L1_DYN_TRACE_CONDENSED_PDTCH) { if ((l1pa_l1ps_com.tcr_freq_list.ms_ctrl_dd != 0) || ((l1ps.pc_meas_chan_ctrl == TRUE) && ((l1s.actual_time.t2 == 3) || (l1s.actual_time.t2 == 11) || (l1s.actual_time.t2 == 20)))) trace_info.pdtch_trace.blk_status |= 0x80 >> burst_id; } #endif if(l1ps_dsp_com.pdsp_db_r_ptr->d_burst_nb_gprs == 3) /*---------------------------------------------------*/ /* Complete PDTCH DL block has been processed by DSP */ /*---------------------------------------------------*/ { l1pa_l1ps_com.transfer.dl_pwr_ctrl.crc_error = crc_error; /* * FreeCalypso TCS211 reconstruction: the following line * has been taken from the TSM30 source. */ l1pa_l1ps_com.transfer.dl_pwr_ctrl.assignment_id = l1ps.read_param.assignment_id; if(l1ps.read_param.pc_meas_chan) { // Due to the CWR pipeleine, maca_power_control() has to be called before the // CTRL of the first PDTCH i.e. in l1ps_ctrl_pdtch(). It means that crc_error, // radio_freq_tbl[], burst_level[] and bcch_level information are stored on // burst4 of READ phase to be used on burst4 of CTRL phase. l1pa_l1ps_com.transfer.dl_pwr_ctrl.bcch_level = (WORD8)0x80; for(i = 0; i < 4; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.radio_freq_tbl[i] = radio_freq_tbl[i]; l1pa_l1ps_com.transfer.dl_pwr_ctrl.burst_level[i] = burst_level[i]; } } else { // Measures have been performed on BCCH Serving Cell. "burst_level" table is // not applicable. // Download measures made on BCCH Serving Cell. l1pa_l1ps_com.transfer.dl_pwr_ctrl.bcch_level = l1pa_l1ps_com.tcr_freq_list.beacon_meas; for(i = 0; i < 4; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.radio_freq_tbl[i] = radio_freq_tbl[i]; l1pa_l1ps_com.transfer.dl_pwr_ctrl.burst_level[i] = (WORD8)0x80; } // Measures on BCCH Serving Cell are only performed every 40ms while // maca_power_control() is called every 20ms. "beacon_meas" must then // be set to invalid (0x80) until next Serving Cell measure. l1pa_l1ps_com.tcr_freq_list.beacon_meas = (WORD8)0x80; } #if TESTMODE // Test mode stats if (l1_config.TestMode) { // Allocate result message. msg = os_alloc_sig(sizeof(T_TMODE_PDTCH_INFO)); DEBUGMSG(status,NU_ALLOC_ERR) msg->SignalCode = TMODE_PDTCH_INFO; ((T_TMODE_PDTCH_INFO *)(msg->SigP))->pm_fullres = tm_pm_fullres; // F26.6 ((T_TMODE_PDTCH_INFO *)(msg->SigP))->snr = tm_snr; ((T_TMODE_PDTCH_INFO *)(msg->SigP))->toa = tm_toa; ((T_TMODE_PDTCH_INFO *)(msg->SigP))->angle = tm_angle; // signed for (i=0;i<8;i++) ((T_TMODE_PDTCH_INFO *)(msg->SigP))->crc_error_tbl[i] = crc_error_tbl[i]; // send TMODE_TCH_INFO message... os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) // reset static TM variables for stats collection tm_pm_fullres = 0; tm_snr = 0; tm_toa = 0; tm_angle = 0; } #endif } } //end of test "if((en_task) && !(task_param))" // End of task -> task must become INACTIVE. // PDTCH can be pipelined and therefore must stay active if // it has already reentered the flow. if(burst_id == BURST_4) { if(l1s.task_status[task].current_status == RE_ENTERED) l1s.task_status[task].current_status = ACTIVE; else l1s.task_status[task].current_status = INACTIVE; } #if 0 /* FreeCalypso TCS211 reconstruction */ l1ddsp_read_iq_dump(task); #endif // Flag the use of the MCU/DSP dual page read interface. // ****************************************************** // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM /*-------------------------------------------------------*/ /* l1ps_read_pra_result() */ /*-------------------------------------------------------*/ /* Parameters : */ /* Return : */ /* Functionality : */ /*-------------------------------------------------------*/ void l1ps_read_pra_result(UWORD8 task, UWORD8 burst_id) { /*--------------------------------------------------------*/ /* READ TRANSMIT TASK RESULTS... */ /*--------------------------------------------------------*/ /*---------------------------------------------------*/ /* Packet Access task. */ /*---------------------------------------------------*/ // Rem: confirmation message is sent at "CTRL" to be able to give FN%42432. BOOL confirm_flag = TRUE; // Default is: confirmation message is sent. // Desactivate the PRACH task. l1s.task_status[task].current_status = INACTIVE; l1_check_com_mismatch(task); #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_READ_PRA, l1pa_l1ps_com.p_idle_param.radio_freq); #endif #if FF_L1_IT_DSP_USF // Check PRACH was controlled if (l1pa_l1ps_com.pra_info.prach_controlled) { #endif // Check USF in case of Dynamic Allocation. if(l1pa_l1ps_com.pra_info.prach_alloc != FIX_PRACH_ALLOC) { API cs_type = l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][0]; if(cs_type != CS_NONE_TYPE) confirm_flag = FALSE; } if (confirm_flag == TRUE) { // Send confirmation msg to L1A. // ****************************** // For ACCESS phase, a confirmation msg is sent to L1A. xSignalHeaderRec *msg; // send L1C_RA_DONE to L1A... msg = os_alloc_sig(sizeof(T_MPHP_RA_CON)); DEBUGMSG(status,NU_ALLOC_ERR) ((T_MPHP_RA_CON *)(msg->SigP))->fn = l1pa_l1ps_com.pra_info.fn_to_report; ((T_MPHP_RA_CON *)(msg->SigP))->channel_request_data = l1pa_l1ps_com.pra_info.channel_request_data; msg->SignalCode = L1P_RA_DONE; os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) } // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; #if FF_L1_IT_DSP_USF } // if (l1pa_l1ps_com.pra_info.prach_controlled) #endif } /*-------------------------------------------------------*/ /* l1ps_read_poll_result() */ /*-------------------------------------------------------*/ /* Parameters : */ /* Return : */ /* Functionality : */ /*-------------------------------------------------------*/ void l1ps_read_poll_result(UWORD8 task, UWORD8 burst_id) { /*--------------------------------------------------------*/ /* READ TRANSMIT TASK RESULTS... */ /*--------------------------------------------------------*/ l1_check_com_mismatch(task); #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) // in debug trace all reads trace_fct(CST_L1PS_READ_POLL, l1pa_l1ps_com.p_idle_param.radio_freq); #endif /*--------------------------------------------------------*/ /* POLL task (4xPRACH) upon packet queueing notification. */ /*--------------------------------------------------------*/ // Deactivate the PRACH task. if(burst_id == BURST_4) { // POLL is a 'one shot' task --> disable task l1a_l1s_com.l1s_en_task[task] = TASK_DISABLED; l1s.task_status[task].current_status = INACTIVE; #if (TRACE_TYPE==5) // in simulation trace only the latest burst trace_fct(CST_L1PS_READ_POLL, l1pa_l1ps_com.p_idle_param.radio_freq); #endif // Send confirmation msg to L1A. // ****************************** // For PACKET POLLING, a confirmation msg is sent to L1A. { xSignalHeaderRec *msg; // send L1C_RA_DONE to L1A... msg = os_alloc_sig(sizeof(T_MPHP_POLLING_IND)); DEBUGMSG(status,NU_ALLOC_ERR) ((T_MPHP_POLLING_IND *)(msg->SigP))->fn = l1pa_l1ps_com.poll_info.fn_to_report; msg->SignalCode = L1P_POLL_DONE; os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) } } #if 0 /* FreeCalypso TCS211 reconstruction */ l1ddsp_read_iq_dump(task); #endif // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } #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 /*-------------------------------------------------------*/ /* l1ps_ctrl_snb_dl() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a "COMPLEX" function used by the L1S */ /* packet serving cell normal burst reading tasks: PNP, */ /* PEP, PALLC. This function is the control function for */ /* reading a normal burst on the packet serving cell. */ /* It programs the DSP and the TPU for reading a */ /* normal burst. This function flags the reading of the */ /* Packet Normal paging burst which flag is used in */ /* measurement manager procedure. */ /* Here below is a summary of the execution: */ /* */ /* - If SEMAPHORE(task) is low. */ /* - Catch ARFCN and set CIPHERING reduced frame */ /* number. */ /* - Traces and debug. */ /* - Programs DSP for required task. */ /* - Programs TPU for required task. */ /* - Flag the reading of a Packet Normal Paging */ /* burst. */ /* - Flag DSP and TPU programmation. */ /* */ /* Input parameters: */ /* ----------------- */ /* "l1a_l1s_com.task_param" */ /* task semaphore bit register. Used to skip */ /* the body of this function if L1A has changed or */ /* is changing some of the task parameters. */ /* */ /* "task" */ /* PNP, Packet Normal paging reading task. */ /* PEP, Packet Extended paging reading task. */ /* PALLC, All Packet serving cell PCCCH reading task. */ /* */ /* "burst_id" */ /* BURST_1, 1st burst of the task. */ /* BURST_2, 2nd burst of the task. */ /* BURST_3, 3rd burst of the task. */ /* BURST_4, 4th burst of the task. */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* "l1a_l1s_com.Scell_info" */ /* Serving cell information structure. */ /* .radio_freq, serving cell beacon frequency. */ /* */ /* "l1s.afc" */ /* current AFC value to be applied for the given task. */ /* */ /* "l1s.tpu_offset" */ /* value for the TPU SYNCHRO and OFFSET registers */ /* for current serving cell setting. It is used here */ /* to refresh the TPU SYNCHRO and OFFSET registers */ /* with a corrected (time tracking of the serving) */ /* value prior to reading a serving cell normal burst. */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* "pnp_ctrl" */ /* Flag set when a packet normal paging burst reading */ /* is controled. This flag is used by the packet */ /* measurement manager procedure, at the end of L1S, */ /* in order to scheduling the neighbor cell */ /* measurements. */ /* -> set to 1. */ /* */ /* */ /* "l1s.tpu_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/TPU com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /* */ /* "l1s.dsp_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/DSP com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_snb_dl(UWORD8 task, UWORD8 burst_id) { UWORD16 Scell_radio_freq; UWORD8 tsc; WORD8 agc; UWORD8 lna_off; UWORD8 adc_active = INACTIVE; #if (RF_FAM == 61) UWORD16 dco_algo_ctl_nb = 0; UWORD8 if_ctl = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; // By default we choose the hardware filter UWORD8 csf_filter_choice = L1_SAIC_HARDWARE_FILTER; #endif #if (NEW_SNR_THRESHOLD == 1) UWORD8 saic_flag = 0; #endif /* NEW_SNR_THRESHOLD */ #if (FF_L1_FAST_DECODING == 1) BOOL fast_decoding_authorized = FALSE; if ( (burst_id == BURST_1) && (l1a_apihisr_com.fast_decoding.status == C_FAST_DECODING_FORBIDDEN) ) { l1a_apihisr_com.fast_decoding.status = C_FAST_DECODING_NONE; } fast_decoding_authorized = l1s_check_fast_decoding_authorized(task); if ( fast_decoding_authorized && l1s_check_deferred_control(task,burst_id) ) { /* Control is deferred until the upcoming fast decoding IT */ return; } /* if (fast_decoding_authorized)*/ /* In all other cases, control must be performed now. */ #endif /* FF_L1_FAST_DECODING == 1 */ if(!(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { Scell_radio_freq = l1a_l1s_com.Scell_info.radio_freq; // Catch training sequence code from serving cell BCC (part of BSIC). tsc = l1pa_l1ps_com.pccch.packet_chn_desc.tsc; // Packet PAGC Algorithm // ********************** // for PCCCH serving blocks (PPCH, PEPCH, all PCCCH) we use // PAGC algorithm. Reference is serving cell. l1pctl_pagc_ctrl(&agc, &lna_off, l1pa_l1ps_com.p_idle_param.radio_freq,TRUE); #if(RF_FAM == 61) // Locosto DCO cust_get_if_dco_ctl_algo(&dco_algo_ctl_nb, &if_ctl, (UWORD8) L1_IL_VALID , l1a_l1s_com.Scell_used_IL.input_level, l1pa_l1ps_com.p_idle_param.radio_freq, if_threshold); l1ddsp_load_dco_ctl_algo_nb(dco_algo_ctl_nb); #endif #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // the function l1pctl_pagc_ctrl csf_filter_choice = l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,task ,&saic_flag #endif ); #endif // Debug. // ****************** l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; #if (FF_L1_FAST_DECODING == 1) l1ddsp_load_fast_dec_task(task,burst_id); #endif // Programs DSP Rx Packet Idle burst, still on Timeslot number = 0 // due to previous synchro. #if FF_L1_IT_DSP_USF { BOOL usf_it = FALSE; // Force IT USF interrupt during PCCCH reorg for Fast USF usage during // Packet Access. Switch to PA could happen any time during PCCCH reorg. // Only relevant for RBN%3 = 0 and 1 if (l1a_l1s_com.l1s_en_task[PALLC] == TASK_ENABLED) { if (/*(l1s.next_time.fn_mod13 >= 0) && omaps00090550*/(l1s.next_time.fn_mod13 <= 7)) usf_it = TRUE; } l1pddsp_idle_rx_nb(burst_id, tsc, l1pa_l1ps_com.p_idle_param.radio_freq, 0, FALSE, usf_it); } #else l1pddsp_idle_rx_nb(burst_id, tsc, l1pa_l1ps_com.p_idle_param.radio_freq, 0, FALSE); #endif // ADC measurement // *************** // check if during the 1st burst of the bloc an ADC measurement must be performed if ((burst_id == BURST_1) && (task == PNP)) { if (l1a_l1s_com.l1s_en_task[PALLC] == TASK_DISABLED) // no reorg mode { if (l1a_l1s_com.adc_mode & ADC_NEXT_NORM_PAGING) // perform ADC only one time { adc_active = ACTIVE; l1a_l1s_com.adc_mode &= ADC_MASK_RESET_IDLE; // reset in order to have only one ADC measurement in Idle } else { if (l1a_l1s_com.adc_mode & ADC_EACH_NORM_PAGING) // perform ADC on each "period" x bloc if ((++l1a_l1s_com.adc_cpt)>=l1a_l1s_com.adc_idle_period) // wait for the period { adc_active = ACTIVE; l1a_l1s_com.adc_cpt = 0; } } } else // ADC measurement in reorg mode { if (l1a_l1s_com.adc_mode & ADC_NEXT_NORM_PAGING_REORG) // perform ADC only one time { adc_active = ACTIVE; l1a_l1s_com.adc_mode &= ADC_MASK_RESET_IDLE; // reset in order to have only one ADC measurement in Idle } else { if (l1a_l1s_com.adc_mode & ADC_EACH_NORM_PAGING_REORG) // perform ADC on each "period" x bloc if ((++l1a_l1s_com.adc_cpt)>=l1a_l1s_com.adc_idle_period) // wait for the period { adc_active = ACTIVE; l1a_l1s_com.adc_cpt = 0; } } } } #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_SNB_DL, -1); #endif // Programs TPU for required task. // ******************************** // update the TPU with the new TOA if necessary l1ctl_update_TPU_with_toa(); // tpu pgm... l1dtpu_serv_rx_nb(l1pa_l1ps_com.p_idle_param.radio_freq, agc, lna_off, l1s.tpu_offset, l1s.tpu_offset, FALSE,adc_active #if (RF_FAM == 61) ,csf_filter_choice ,if_ctl #endif #if (NEW_SNR_THRESHOLD == 1) ,saic_flag #endif /* NEW_SNR_THRESHOLD */ ); // Increment tpu window identifier. l1s.tpu_win += (l1_config.params.rx_synth_load_split + RX_LOAD); } // Flag the reading of a Normal Packet Paging burst. // ************************************************* // Set PNP controlled flag, used in l1s_meas_manager() to generate measurement only // if we are not receiving a PPCH. if((task == PNP) || (task == PEP) || (task == PALLC)) l1pa_l1ps_com.cr_freq_list.pnp_ctrl = burst_id + 1; // Flag DSP and TPU programmation. // ******************************** // Set "CTRL_RX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_RX; l1s.dsp_ctrl_reg |= CTRL_RX; } // end of procedure /*-------------------------------------------------------*/ /* l1ps_read_nb_dl() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a "COMPLEX" function used by the L1S */ /* tasks: PNP,PEP,PALLC. */ /* */ /* Here is a summary of the execution: */ /* */ /* - If SEMAPHORE(task) is low and task still enabled. */ /* - Traces and debug. */ /* - Read control results and feed control algo. */ /* - Read DL DATA block from MCU/DSP interface. */ /* - Disactivate task. */ /* - Flag the use of the MCU/DSP dual page read */ /* interface. */ /* */ /* Input parameters: */ /* ----------------- */ /* "task" */ /* PNP, Packet Normal paging reading task. */ /* PEP, Packet Extended paging reading task. */ /* PALLC, All packet serving cell PCCCH reading task. */ /* */ /* "burst_id" */ /* BURST_1, 1st burst of the task. */ /* BURST_2, 2nd burst of the task. */ /* BURST_3, 3rd burst of the task. */ /* BURST_4, 4th burst of the task. */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* "l1pa_l1ps_com.task_param[NBR_DL_L1S_TASKS]" */ /* packet task semaphore table. Used to skip */ /* the body of this function if L1A has changed or */ /* is changing some of the task parameters. */ /* */ /* "l1a_l1s_com.l1s_en_task[NBR_DL_L1S_TASKS]" */ /* L1S task enable. */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* "l1s.task_status[task].current_status" */ /* current task status. It must be reset (INACTIVE) */ /* when the task is completed. */ /* -> disactivate task. */ /* */ /* "l1s_dsp_com.dsp_r_page_used" */ /* Flag used by the function which closes L1S */ /* execution ("l1s_end_manager()") to know if the */ /* MCU/DSP read page must be switched. */ /* -> Set to 1. */ /* */ /* Use of MCU/DSP interface: */ /* ------------------------- */ /* "l1s_dsp_com.dsp_ndb_ptr" */ /* pointer to the non double buffered part (NDB) of */ /* the MCU/DSP interface. This part is R/W for both */ /* DSP and MCU. */ /* */ /* "l1s_dsp_com.dsp_db_r_ptr" */ /* pointer to the double buffered part (DB) of the */ /* MCU/DSP interface. This pointer points to the READ */ /* page. */ /* */ /*-------------------------------------------------------*/ void l1ps_read_nb_dl(UWORD8 task, UWORD8 burst_id) { UWORD32 toa=0; //omaps00090550 UWORD32 pm=0; //omaps00090550; UWORD32 angle =0; //omaps00090550 UWORD32 snr =0; //omaps00090550 BOOL en_task; BOOL task_param; UWORD16 scell_radio_freq; static UWORD16 pwr_level; #if (FF_L1_FAST_DECODING == 1) UWORD8 skipped_bursts = 0; BOOL fast_decoding_authorized = l1s_check_fast_decoding_authorized(task); BOOL fast_decoded = (l1a_apihisr_com.fast_decoding.status == C_FAST_DECODING_COMPLETE); if (fast_decoded) { skipped_bursts = BURST_4 - burst_id; } #endif /* if (FF_L1_FAST_DECODING == 1) */ /*--------------------------------------------------------*/ /* READ SERVING CELL RECEIVE TASK RESULTS... */ /*--------------------------------------------------------*/ /* Rem: only a partial result is present in the mcu<-dsp */ /* communication buffer. The DATA BLOCK content itself is */ /* in the last comm. (BURST_4) */ /*--------------------------------------------------------*/ // Get "enable" task flag and "synchro semaphore" for current task. en_task = l1a_l1s_com.l1s_en_task[task]; task_param = l1a_l1s_com.task_param[task]; if((en_task) && !(task_param)) // Check the task semaphore and the task enable bit. The reading // task body is executed only when the task semaphore is 0 and the // task is still enabled. // The semaphore can be set to 1 whenever L1A makes some changes // to the task parameters. The task can be disabled by L1A. { // Traces and debug. // ****************** l1_check_com_mismatch(task); // Read control results and feed control algorithms. // ************************************************** if ((task != PBCCHN_TRAN) && (task != PBCCHN_IDLE)) { // From the fact that PBCCHS can be read in CS mode, // Idle mode and Packet Idle mode, a check on the current active DSP scheduler mode // has to be performed. // Read control information. // We keep compatibility with (chipset == 0) imply mask with 0xffff. // If only (chipset == 2) is used, mask can be removed. if (l1a_l1s_com.dsp_scheduler_mode == GSM_SCHEDULER) { toa = l1s_dsp_com.dsp_db_r_ptr->a_serv_demod[D_TOA] & 0xffff; pm = (l1s_dsp_com.dsp_db_r_ptr->a_serv_demod[D_PM] & 0xffff) >> 5; angle = l1s_dsp_com.dsp_db_r_ptr->a_serv_demod[D_ANGLE] & 0xffff; snr = l1s_dsp_com.dsp_db_r_ptr->a_serv_demod[D_SNR] & 0xffff; } else { toa = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_toa_gprs[0] & 0xffff; pm = (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[0] & 0xffff)>>5; angle = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_angle_gprs[0] & 0xffff; snr = l1ps_dsp_com.pdsp_db_r_ptr->a_burst_snr_gprs[0] & 0xffff; } #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_READ_NB_DL, -1); #endif l1_check_pm_error(pm,task); // Update AGC: Call PAGC algorithm l1a_l1s_com.Scell_IL_for_rxlev = l1pctl_pagc_read((UWORD8)pm, l1pa_l1ps_com.p_idle_param.radio_freq_dd); #if (FF_L1_FAST_DECODING == 1) if (skipped_bursts>0) { l1ctl_pagc_missing_bursts(skipped_bursts); } #endif /* if (FF_L1_FAST_DECODING == 1) */ // Update AFC: Call AFC control function (KALMAN filter). #if AFC_ALGO { WORD16 old_afc = l1s.afc; WORD16 old_count= l1s.afc_frame_count; scell_radio_freq = l1a_l1s_com.Scell_info.radio_freq; #if (VCXO_ALGO==0) l1s.afc = l1ctl_afc(AFC_CLOSED_LOOP, &l1s.afc_frame_count, (WORD16)angle, snr, scell_radio_freq); #else l1s.afc = l1ctl_afc(AFC_CLOSED_LOOP, &l1s.afc_frame_count, (WORD16)angle, snr, scell_radio_freq,l1a_l1s_com.mode); #endif #if L2_L3_SIMUL #if (DEBUG_TRACE == BUFFER_TRACE_AFC_OPEN) buffer_trace (4,(WORD16)angle,old_count,old_afc,l1s.afc); #endif #endif } #endif // Feed TOA histogram only when the TOA result is used in the task CTRL function if (task != PBCCHS) { //Feed TOA histogram. #if (TOA_ALGO != 0) #if (TOA_ALGO == 2) if(l1s.toa_var.toa_snr_mask == 0) #else if(l1s.toa_snr_mask == 0) #endif { #if (TOA_ALGO == 2) UWORD32 snr_temp; snr_temp = (l1a_l1s_com.Scell_IL_for_rxlev < IL_FOR_RXLEV_SNR) ? snr: 0; l1s.toa_var.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, snr_temp, toa); #else /* FreeCalypso TCS211 reconstruction */ if (l1a_l1s_com.Scell_IL_for_rxlev < IL_FOR_RXLEV_SNR) { l1s.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, snr, toa, &l1s.toa_update, &l1s.toa_period_count #if (FF_L1_FAST_DECODING == 1) ,0 #endif ); } else { l1s.toa_shift = l1ctl_toa(TOA_RUN, l1a_l1s_com.mode, 0, toa, &l1s.toa_update, &l1s.toa_period_count #if (FF_L1_FAST_DECODING == 1) ,0 #endif ); } #endif } #endif } } #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_DL_BURST(angle, snr, l1s.afc, task, pm, toa, l1a_l1s_com.Scell_IL_for_rxlev + l1a_l1s_com.Scell_info.pb) #endif #if 0 //(TRACE_TYPE == 1) || (TRACE_TYPE == 4) // TCS211 reconstruction l1_trace_burst_param(angle, snr, l1s.afc, task, pm, toa, l1a_l1s_com.Scell_IL_for_rxlev + l1a_l1s_com.Scell_info.pb); #endif #if (BURST_PARAM_LOG_ENABLE == 1) l1_log_burst_param(angle, snr, l1s.afc, task, pm, toa, l1a_l1s_com.Scell_IL_for_rxlev + l1a_l1s_com.Scell_info.pb); #endif // compute the Data bloc Power. // ****************************** if(burst_id == BURST_1) pwr_level = 0; // add the burst power pwr_level += l1a_l1s_com.Scell_IL_for_rxlev; // Read downlink DATA block from MCU/DSP interface. // ************************************************* #if (FF_L1_FAST_DECODING == 1) /* Perform the reporting if - Burst is the 4th one (whether CRC is ok or not) - Fast decoding enabled and CRC already ok */ if ( (burst_id == BURST_4) || fast_decoded ) #else /* #if (FF_L1_FAST_DECODING == 1) */ if(burst_id == BURST_4) #endif /* FF_L1_FAST_DECODING */ { #if (TRACE_TYPE==2 ) || (TRACE_TYPE==3) uart_trace(task); #endif #if (FF_L1_FAST_DECODING == 1) /* Data power block = pwr_level / (nb of bursts)*/ pwr_level = pwr_level / (burst_id + 1); #else /* #if (FF_L1_FAST_DECODING == 1) */ // the data power bloc = pwr_level/4. pwr_level = pwr_level >> 2; #endif /* #if (FF_L1_FAST_DECODING == 1) #else*/ // Read L3 frame block and send msg to L1A. #if (FF_L1_FAST_DECODING == 1) if(!fast_decoding_authorized) { /* When fast decoding wasn't used, burst_id is undefined (for the trace) */ l1a_l1s_com.last_fast_decoding = 0; } else { l1a_l1s_com.last_fast_decoding = burst_id + 1; } #endif /* #if (FF_L1_FAST_DECODING == 1) */ // Read L3 frame block and send msg to L1A. if (l1a_l1s_com.dsp_scheduler_mode == GSM_SCHEDULER) l1s_read_l3frm(pwr_level,&(l1s_dsp_com.dsp_ndb_ptr->a_cd[0]), task); else l1s_read_l3frm(pwr_level,&(l1ps_dsp_com.pdsp_ndb_ptr->a_dd_gprs[0][0]), task); } // End if... } //end of test "if((en_task) && !(task_param))" // Disactivate task. // ****************** // End of task -> task must become INACTIVE. // Rem: some TASKS (PALLC, PNP (with SPLIT > M)) can be pipelined and therefore // must stay active if they have already reentered the flow. #if (FF_L1_FAST_DECODING == 1) /*------------------------------------------------------*/ /* Perform the reporting if */ /* - Burst is the 4th one (whether CRC is ok or not) */ /* - Fast decoding enabled and CRC already ok */ /*------------------------------------------------------*/ if ( (burst_id == BURST_4) || fast_decoded ) #else /* #if (FF_L1_FAST_DECODING == 1) */ if(burst_id == BURST_4) #endif /* #if (FF_L1_FAST_DECODING == 1) #else*/ { #if (FF_L1_FAST_DECODING == 1) if(task == PNP) { if (l1a_apihisr_com.fast_decoding.contiguous_decoding == TRUE) { /* A new block has started, a new fast API IT is expected */ l1a_apihisr_com.fast_decoding.contiguous_decoding = FALSE; l1a_apihisr_com.fast_decoding.status = C_FAST_DECODING_AWAITED; } else if(task == l1a_apihisr_com.fast_decoding.task) { /* Reset decoding status */ l1a_apihisr_com.fast_decoding.status = C_FAST_DECODING_NONE; } } /*task == PNP */ #endif /* #if (FF_L1_FAST_DECODING == 1) */ if(l1s.task_status[task].current_status == RE_ENTERED) l1s.task_status[task].current_status = ACTIVE; else l1s.task_status[task].current_status = INACTIVE; #if (FF_L1_FAST_DECODING == 1) if (burst_id != BURST_4) { l1s_clean_mftab(task, burst_id + 3); if(l1s.frame_count == (4 -burst_id)) { l1s.frame_count = 1; } } #endif /* #if (FF_L1_FAST_DECODING == 1) */ } #if 0 /* FreeCalypso TCS211 reconstruction */ l1ddsp_read_iq_dump(task); #endif // Flag the use of the MCU/DSP dual page read interface. // ****************************************************** // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } // end of procedure //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise #endif /*-------------------------------------------------------*/ /* l1ps_ctrl_pbcch() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a "COMPLEX" function used by the L1S */ /* tasks: neighbor cell PBCCH. */ /* This function is the control function */ /* for reading a PBCCH burst on the neighbor cell. */ /* This control function: */ /* a) shifts the OFFSET register to match the normal */ /* burst received task with the PBCCH timeslot number.*/ /* */ /* b) programs a normal burst reading and restores the */ /* OFFSET to the serving cell timeslot. On the last */ /* control (4th burst), the SYNCHRO/OFFSET registers */ /* are shifted back to the normal idle mode PCCH */ /* reading setting. Here is a summary of the */ /* execution: */ /* */ /* - If SEMAPHORE(task) is low. */ /* - Traces and debug. */ /* - Programs DSP for PBCCH task, reading 1 burst. */ /* - Programs TPU for PBCCH task, reading 1 burst. */ /* - Shift TPU SYNCHRO/OFFSET registers back to the */ /* PACKET PAGING TASK timeslot. */ /* - Flag DSP and TPU programmation. */ /* */ /* Input parameters: */ /* ----------------- */ /* "task" */ /* PBCCH_TRA or PBCCH_IDLE or PBCCHS */ /* Serving Cell PBCCH reading task. */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* "l1pa_l1ps_com.pbcch " */ /* Neigh/serv Cell PBCCH description structure. */ /* */ /* "l1a_l1s_com.Scell_info.radio_freq" */ /* BSIC of the serving cell. It is used here to pass */ /* the training sequence number (part of BSIC) to the */ /* DSP. */ /* */ /* "l1a_l1s_com.offset_tn0" */ /* value to load in the OFFSET register to shift then */ /* any receive task to the timeslot 0 of the neighbor */ /* cell or PBCCH timeslot number . */ /* */ /* "l1s.tpu_offset" */ /* value for the TPU SYNCHRO and OFFSET registers */ /* for current serving cell setting. It is used here */ /* at the end of the PBCCH task controls to restore */ /* the SYNCHRO/OFFSET registers to the normal setting */ /* in idle mode. */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* "l1s.actual_time, l1s.next_time" */ /* frame number and derived numbers for current frame */ /* and next frame. */ /* -> update to cope with side effect due to synchro. */ /* changes/restores. */ /* */ /* "l1s.tpu_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/TPU com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /* */ /* "l1s.dsp_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/DSP com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_pbcch(UWORD8 task, UWORD8 burst_id) { UWORD16 rx_radio_freq; UWORD32 offset_pbcch; WORD8 agc; UWORD8 lna_off; UWORD32 dsp_task; UWORD8 tsc; UWORD8 serving_cell; #if (RF_FAM == 61) UWORD16 dco_algo_ctl_nb=0; UWORD8 if_ctl = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; // By default we choose the hardware filter UWORD8 csf_filter_choice = L1_SAIC_HARDWARE_FILTER; #endif #if (NEW_SNR_THRESHOLD == 1) UWORD8 saic_flag=0; #endif /* NEW_SNR_THRESHOLD */ static WORD32 new_tpu_offset; static BOOL change_synchro; #define PbcchS l1pa_l1ps_com.pbcchs #define PbcchN l1pa_l1ps_com.pbcchn #if (CODE_VERSION == SIMULATION) UWORD32 tpu_w_page; if (hw.tpu_r_page==0) tpu_w_page=1; else tpu_w_page=0; hw.rx_id[tpu_w_page][0]=0; hw.num_rx[tpu_w_page][0]=1; hw.rx_group_id[tpu_w_page]=1; #endif if (task == PBCCHS) { tsc = PbcchS.packet_chn_desc.tsc; offset_pbcch = (PbcchS.tn_pbcch * TN_WIDTH); serving_cell = TRUE; } else { tsc = PbcchN.packet_chn_desc.tsc; offset_pbcch = PbcchN.time_alignmt; serving_cell = FALSE; } if((l1a_l1s_com.l1s_en_task[task] == TASK_ENABLED) && !(l1a_l1s_com.task_param[task] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { // Get ARFCN to be used for current control. Output of the hopping algorithm. rx_radio_freq = l1pa_l1ps_com.p_idle_param.radio_freq; // Traces and debug. // ****************** #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[task].name); #endif #if (TRACE_TYPE!=0) if (task == PBCCHS) trace_fct(CST_L1PS_CTRL_PBCCHS, l1a_l1s_com.Scell_info.radio_freq); else trace_fct(CST_L1PS_CTRL_PBCCHN, PbcchN.bcch_carrier); #endif l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; // Programs DSP for PBCCHN task according to the DSP scheduler used // ***************************************************************** switch(l1a_l1s_com.dsp_scheduler_mode) { // dsp pgm is made using GSM scheduler... case GSM_SCHEDULER: dsp_task = l1s_swap_iq_dl(rx_radio_freq, task); // dsp pgm... l1ddsp_load_rx_task(dsp_task,burst_id,tsc); break; // dsp pgm is made using GPRS scheduler... case GPRS_SCHEDULER: #if FF_L1_IT_DSP_USF l1pddsp_idle_rx_nb(burst_id,tsc,rx_radio_freq,0,FALSE,FALSE); #else l1pddsp_idle_rx_nb(burst_id,tsc,rx_radio_freq,0,FALSE); #endif break; } // Check if "Synchro" change is needed. // ************************************* // If so the synchro is changed by 4 timeslots. if(burst_id == BURST_1) { if (task == PBCCHS) change_synchro = PbcchS.change_synchro; else change_synchro = PbcchN.change_synchro; if(change_synchro) { // compute TPU offset for "current timeslot + 4 timeslot" new_tpu_offset = l1s.tpu_offset + (4 * TN_WIDTH); if(new_tpu_offset >= TPU_CLOCK_RANGE) new_tpu_offset -= TPU_CLOCK_RANGE; // Slide synchro to match current timeslot + 4 timeslot. l1dmacro_synchro(SWITCH_TIME, new_tpu_offset); } else { new_tpu_offset = l1s.tpu_offset; } } // TPU pgm... //----------- offset_pbcch += new_tpu_offset; if (offset_pbcch >= TPU_CLOCK_RANGE) offset_pbcch -= TPU_CLOCK_RANGE; // add for debug TPU simu #if (CODE_VERSION == SIMULATION) if (task == PBCCHS) // PBCCH serving, compute Ts related to the L1 synchro on the serving hw.rx_id[tpu_w_page][0]=((TPU_CLOCK_RANGE-new_tpu_offset+offset_pbcch)%TPU_CLOCK_RANGE)/TN_WIDTH; else // PBCCH Neighbor -> special value for PBCCHN detection in the DSP task hw.rx_id[tpu_w_page][0]=10; #endif // agc is set with the input_level computed from PAGC algo l1pctl_pagc_ctrl(&agc, &lna_off, rx_radio_freq, serving_cell); #if(RF_FAM == 61) // Locosto DCO cust_get_if_dco_ctl_algo(&dco_algo_ctl_nb, &if_ctl, (UWORD8) L1_IL_VALID , l1a_l1s_com.Scell_used_IL.input_level , rx_radio_freq, if_threshold); l1ddsp_load_dco_ctl_algo_nb(dco_algo_ctl_nb); #endif #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // l1pctl_pagc_ctrl if(task == PBCCHS) { // Call SAIC only for PBCCHS, not for PBCCHN_TRAN or PBCCHN_IDLE csf_filter_choice = l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,task ,&saic_flag #endif ); } #endif l1dmacro_offset (offset_pbcch, l1_config.params.rx_change_offset_time); // Slide offset to cope with PBCCHN in the new sychro. l1dmacro_rx_synth(rx_radio_freq); // load SYNTH. l1dmacro_agc (rx_radio_freq,agc, lna_off #if(RF_FAM == 61) ,if_ctl #endif ); // load AGC. #if (L1_MADC_ON == 1) #if (RF_FAM == 61) l1dmacro_rx_nb (rx_radio_freq,INACTIVE, csf_filter_choice #if (NEW_SNR_THRESHOLD == 1) ,saic_flag #endif /* NEW_SNR_THRESHOLD */ ); // RX window for NB. #endif /* RF_FAM == 61*/ #else /* L1_MADC_ON == 1*/ l1dmacro_rx_nb (rx_radio_freq); // RX window for NB. #endif if (task == PBCCHS) { #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) l1ddsp_load_afc(l1s.afc); // Loading the afc value in DB,Flag the presence of a new afc value to send #endif #if (RF_FAM == 61) l1dtpu_load_afc(l1s.afc); #endif } l1dmacro_offset (new_tpu_offset, IMM); // Restore offset. } // End if(task enabled and semaphore false) // Remark: //-------- // When the task is aborted, we must continue to make dummy // DSP programming to avoid communication mismatch due // to C/W/R pipelining. // We must also ensure the Synchro back since synchro change has surely be done // in the 1st CTRL phase. // Shift TPU SYNCHRO/OFFSET registers back to the default timeslot (normally PCCCH one). // ************************************************************************************** // When the PBCCHN or PBCCHS reading control is completed , // the SYNCHRO/OFFSET registers are shifted back to the normal idle // setting used for PCCH reading on the serving cell. // Check if "Synchro" change was needed. // If so the synchro is changed to recover normal synchro. if(burst_id == BURST_4) { if(change_synchro) { // Slide synchro back to mach current serving timeslot. l1dmacro_synchro(SWITCH_TIME, l1s.tpu_offset); // Increment frame number. l1s.actual_time = l1s.next_time; l1s.next_time = l1s.next_plus_time; l1s_increment_time(&(l1s.next_plus_time), 1); // Increment "next_plus time". l1s.tpu_ctrl_reg |= CTRL_SYCB; l1s.dsp_ctrl_reg |= CTRL_SYNC; #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) trace_fct(CST_L1S_ADJUST_TIME, -1); #endif } } // Flag DSP and TPU programmation. // ******************************** // Set "CTRL_RX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_RX; l1s.dsp_ctrl_reg |= CTRL_RX; // This task is not compatible with Neigh. Measurement. Store task length // in "forbid_meas" to indicate when the task will last. if((burst_id == BURST_1) && (task != PBCCHN_IDLE)) { // In PBCCHN_IDLE task, l1s.forbid_meas is set by the AGC ctrl l1s.forbid_meas = TASK_ROM_MFTAB[task].size; } } #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1ps_ctrl_ptcch() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_ctrl_ptcch(UWORD8 param1, UWORD8 param2) { UWORD16 radio_freq; UWORD8 burst_nb; #if (RF_FAM == 61) UWORD16 dco_algo_ctl_nb = 0; UWORD8 if_ctl = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; #endif #if (NEW_SNR_THRESHOLD == 1) UWORD8 saic_flag=0; #endif /* NEW_SNR_THRESHOLD*/ if(!(l1a_l1s_com.task_param[PTCCH] == SEMAPHORE_SET)) // Check the task semaphore. The control body is executed only // when the task semaphore is 0. This semaphore can be set to // 1 whenever L1A makes some changes to the task parameters. { WORD8 ts; radio_freq = l1pa_l1ps_com.transfer.ptcch.radio_freq; // Traces and debug. // ****************** #if (TRACE_TYPE!=0) if(l1pa_l1ps_com.transfer.ptcch.activity && (PTCCH_DL || PTCCH_UL ) == 0) // trace only if a window is programmed. trace_fct(CST_L1PS_CTRL_PTCCH_EMPTY, radio_freq); #endif #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dsp_tpu(dltsk_trace[PTCCH].name); #endif l1s_dsp_com.dsp_db_w_ptr->d_debug = (l1s.debug_time + 2) ; switch (l1s.next_time.fn_mod104) { case 12: burst_nb=0; break; case 38: burst_nb=1; break; case 64: burst_nb=2; break; case 90: burst_nb=3; break; default: burst_nb=0; break; } // Compute timeslot number referenced to current camp timeslot. ts = l1pa_l1ps_com.transfer.aset->packet_ta.ta_tn - l1a_l1s_com.dl_tn; if(ts < 0) ts += 8; else if(ts >= 8) ts -= 8; if(l1pa_l1ps_com.transfer.ptcch.activity & PTCCH_DL) // PTCCH DL activity bit is set: PTCCH DL programmation is required. { #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_CTRL_PTCCH_DL_BURST0 + burst_nb, radio_freq); #endif // Programs DSP for PTCCH/DL. // *************************** { #if FF_L1_IT_DSP_USF l1pddsp_idle_rx_nb(burst_nb, l1pa_l1ps_com.transfer.aset->tsc, radio_freq, ts, TRUE, FALSE); #else l1pddsp_idle_rx_nb(burst_nb, l1pa_l1ps_com.transfer.aset->tsc, radio_freq, ts, TRUE); #endif } // Programs TPU for PTCCH/DL task. // ******************************** { WORD8 agc; UWORD8 lna_off; // AGC updating //------------- l1pctl_pagc_ctrl(&agc, &lna_off, radio_freq,TRUE); #if(RF_FAM == 61) // Locosto DCO cust_get_if_dco_ctl_algo(&dco_algo_ctl_nb, &if_ctl, (UWORD8) L1_IL_VALID, l1a_l1s_com.Scell_used_IL.input_level , radio_freq, if_threshold); l1ddsp_load_dco_ctl_algo_nb(dco_algo_ctl_nb); #endif #if (L1_SAIC != 0) // If SAIC is enabled, call the low level SAIC control function // NOTE: l1a_l1s_com.Scell_used_IL.input_level is updated within // the function l1pctl_pagc_ctrl l1ctl_saic(l1a_l1s_com.Scell_used_IL.input_level,l1a_l1s_com.mode #if (NEW_SNR_THRESHOLD == 1) ,PTCCH ,&saic_flag #endif ); #endif // Compute timeslot number referenced to current camp timeslot. // Rem: COULD BE DONE ASYNCHRONOUSLY changing ta_tn definition!!! ts = l1pa_l1ps_com.transfer.aset->packet_ta.ta_tn - l1a_l1s_com.dl_tn; if(ts < 0) ts += 8; else if(ts >= 8) ts -= 8; // Program RX Normal Burst scenario. l1pdtpu_serv_rx_nb(radio_freq, agc, lna_off, ts, l1s.tpu_offset, 1, 1, TRUE,INACTIVE #if(RF_FAM == 61) ,L1_SAIC_HARDWARE_FILTER ,if_ctl #endif #if (NEW_SNR_THRESHOLD == 1) ,saic_flag #endif /* NEW_SNR_THRESHOLD */ ); // Set "CTRL_RX" flag in the controle flag registers. l1s.tpu_ctrl_reg |= CTRL_RX; l1s.dsp_ctrl_reg |= CTRL_RX; } } if(l1pa_l1ps_com.transfer.ptcch.activity & PTCCH_UL) // PTCCH UL activity bit is set: PTCCH UL programmation required. { UWORD8 adc_active = INACTIVE; #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_CTRL_PTCCH_UL, radio_freq); #endif // Programs DSP for PTCCH/UL. // *************************** { UWORD8 cs_type; UWORD16 ptcch_ul_data; // Access burst type ? if (l1pa_l1ps_com.access_burst_type == ACC_BURST_8) { // PRACH 8 bits: data = (0111 1111)b cs_type = CS_PAB8_TYPE; ptcch_ul_data = 0x7F; } else { // PRACH 11 bits: data = (111 1111 1111)b cs_type = CS_PAB11_TYPE; ptcch_ul_data = 0x7FF; } // "As" IDLE POLLING PRACH dsp control. l1pddsp_ul_ptcch_data(cs_type, ptcch_ul_data, l1a_l1s_com.Scell_info.bsic, radio_freq, ts+3); l1pddsp_idle_prach_power(l1s.applied_txpwr, radio_freq, ts+3); } // ADC measurement // *************** { // check if during the SACCH burst an ADC measurement must be performed if (l1a_l1s_com.adc_mode & ADC_NEXT_TRAFFIC_UL) // perform ADC only one time { adc_active = ACTIVE; l1a_l1s_com.adc_mode &= ADC_MASK_RESET_TRAFFIC; // reset in order to have only one ADC measurement in Traffic } else if (l1a_l1s_com.adc_mode & ADC_EACH_TRAFFIC_UL) // perform ADC on each period bloc if ((++l1a_l1s_com.adc_cpt)>=l1a_l1s_com.adc_traffic_period) // wait for the period { adc_active = ACTIVE; l1a_l1s_com.adc_cpt = 0; } } // Programs TPU for PTCCH/UL task. // ******************************** { // Program TX RA scenario. l1pdtpu_serv_tx(radio_freq, 0, // TA=0. l1s.tpu_offset, ts+3, // tx_id. 1, // 1 PRACH. 1, // tx_group_id. 0, // No switch NB->RA 1, // Driver called for PRACH Burst. l1pa_l1ps_com.transfer.ptcch.activity & PTCCH_DL,adc_active); // Flag RX in same frame as TX } // PTCCH/UL has been executed, // -> PTCCH/DL is then requested for schedule. // -> PTCCH/UL activity flag must be reset. l1pa_l1ps_com.transfer.ptcch.request_dl = TRUE; l1pa_l1ps_com.transfer.ptcch.activity ^= PTCCH_UL; // Set "CTRL_TX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_TX; l1s.dsp_ctrl_reg |= CTRL_TX; #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_UL_AB(PTCCH,l1s.applied_txpwr) #endif } // End of PTCCH UL programmation } // End of if(...semaphore...) // This task is not compatible with Neigh. Measurement. Store task length // in "forbid_meas" to indicate when the task will last. l1s.forbid_meas = TASK_ROM_MFTAB[PTCCH].size; } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1s_read_ptcch() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /*-------------------------------------------------------*/ void l1ps_read_ptcch(UWORD8 param1, UWORD8 param2) { // Traces and debug. // ****************** l1_check_com_mismatch(PTCCH); if(l1pa_l1ps_com.transfer.ptcch.activity & PTCCH_DL) // PTCCH/DL has been executed, { UWORD32 pm; WORD8 ts; // Compute timeslot number referenced to current camp timeslot. ts = l1pa_l1ps_com.transfer.aset->packet_ta.ta_tn - l1a_l1s_com.dl_tn; if(ts < 0) ts += 8; else if(ts >= 8) ts -= 8; #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_READ_PTCCH_DL, l1pa_l1ps_com.transfer.ptcch.radio_freq); #endif // Read control results and feed control algorithms. // ************************************************** // Read control information. pm = (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[ts] & 0xffff) >> 5; l1_check_pm_error(pm,PTCCH); if(l1s.actual_time.fn_mod104 == 91) // Read PTCCH/DL data block from DSP/MCU interface, a_dd_md_gprs[]. { BOOL crc; UWORD8 ordered_ta; crc = (l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[0] & 0x0100) >> 8; if(!crc) // Block correct, we extract new TA... { UWORD8 word_position = 4+ (l1pa_l1ps_com.transfer.aset->packet_ta.ta_index >> 1); UWORD8 byte_position = l1pa_l1ps_com.transfer.aset->packet_ta.ta_index & 0x01; // Download ordered TA... // IF byte_position // Upper byte contains TA... // ELSE // Lower byte contains TA... // (see GSM04.04) ordered_ta = (l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[word_position] >> (8*byte_position)) & 0x7f; if (ordered_ta < 64) { // PTCCH/DL contains a valid TA for MS: update TA l1pa_l1ps_com.transfer.aset->packet_ta.ta = ordered_ta; // PTCCH/DL activity bit must reset when new TA has been successfully received. l1pa_l1ps_com.transfer.ptcch.activity ^= PTCCH_DL; } } #if ((TRACE_TYPE == 1) || (TRACE_TYPE == 4)) if (trace_info.current_config->l1_dyn_trace & 1<<L1_DYN_TRACE_DL_PTCCH) // whatever the value is, trace it { Trace_dl_ptcch(ordered_ta, crc, l1pa_l1ps_com.transfer.aset->packet_ta.ta_index, l1pa_l1ps_com.transfer.aset->packet_ta.ta_tn, l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[4], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[5], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[6], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[7], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[8], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[9], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[10], l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[11]); } #endif #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) RTTL1_FILL_DL_PTCCH(crc, ordered_ta) // Replace with ordered TA #endif // Reset CS type. l1ps_dsp_com.pdsp_ndb_ptr->a_dd_md_gprs[0] = CS_NONE_TYPE; } } else { #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_READ_PTCCH_UL, l1pa_l1ps_com.transfer.ptcch.radio_freq); #endif } // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; // End of task -> task must become INACTIVE. l1s.task_status[PTCCH].current_status = INACTIVE; } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1ps_ctrl_itmeas() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a "COMPLEX" function used by the L1S */ /* task ITMEAS. */ /* This function is the control function for measuring */ /* the signal strength on several specified timeslots (on*/ /* which it's possible according to the multi-slot class)*/ /* of an indicated carrier. */ /* It programs the DSP and the TPU for doing these */ /* measurements */ /* Here below is a summary of the execution: */ /* */ /* - If SEMAPHORE(task) is low. */ /* - Traces and debug. */ /* - Determines on which timeslots measurements can */ /* be done */ /* - Programs DSP for required task. */ /* - Programs TPU for required task. */ /* - Flag DSP and TPU programmation. */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* "l1pa_l1ps_com.itmeas" */ /* Interference measurement parameters structure */ /* */ /* "l1a_l1s_com.dl_tn" */ /* Timeslot on which L1 is synchronized */ /* */ /* "l1pa_l1ps_com.transfer.aset->multislot_class" */ /* Multi-slot class in Packet transfer */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* */ /* "l1s.tpu_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/TPU com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /* */ /* "l1s.dsp_ctrl_reg" */ /* bit register used to know at the end of L1S if */ /* something has been programmed on the MCU/DSP com. */ /* This is used mainly to swap then the com. page at */ /* the end of a control frame. */ /* -> set CTRL_RX bit in the register. */ /*-------------------------------------------------------*/ void l1ps_ctrl_itmeas(UWORD8 param1, UWORD8 param2) { #if (RF_FAM == 61) UWORD16 dco_algo_ctl_pw = 0; UWORD8 if_ctl = 0; UWORD8 if_threshold = C_IF_ZERO_LOW_THRESHOLD_GPRS; UWORD8 ts = 0; #endif // Traces and debug. // ****************** #if (TRACE_TYPE==5) trace_fct(CST_L1PS_CTRL_ITMEAS, l1pa_l1ps_com.itmeas.radio_freq); #endif // Timeslots selection // ******************** // Packet transfer mode <-> PDTCH task enabled: condition to check !!!! //--------------------- // Timeslots already selected in l1p_asyn.c // Packet idle mode //----------------- if (l1a_l1s_com.l1s_en_task[PDTCH] == TASK_DISABLED) { // If a RX has been programmed on this frame if (l1s.dsp_ctrl_reg & CTRL_RX) { // The pre-processed bitmap with Rx taken into account is taken l1pa_l1ps_com.itmeas.meas_bitmap = l1pa_l1ps_com.itmeas.idle_tn_rx; } else { // The pre-processed bitmap without Rx taken into account is taken l1pa_l1ps_com.itmeas.meas_bitmap = l1pa_l1ps_com.itmeas.idle_tn_no_rx; } } // End if 'packet idle mode' l1pa_l1ps_com.itmeas.dsp_r_page_switch_req = FALSE; // If some measurements can be done if (l1pa_l1ps_com.itmeas.meas_bitmap != 0) { UWORD8 nbmeas; // DSP read page switched or not during the ITMEAS read phase ? if (l1s.dsp_ctrl_reg == NO_CTRL) { // A control task hasn't already been done in this frame --> Read page switch l1pa_l1ps_com.itmeas.dsp_r_page_switch_req = TRUE; } // Traces and debug. // ****************** #if (TRACE_TYPE!=0) && (TRACE_TYPE!=5) trace_fct(CST_L1PS_CTRL_ITMEAS, l1pa_l1ps_com.itmeas.radio_freq); #endif #if(RF_FAM == 61) // Locosto DCO #if (PWMEAS_IF_MODE_FORCE == 0) cust_get_if_dco_ctl_algo(&dco_algo_ctl_pw, &if_ctl, (UWORD8) L1_IL_INVALID , 0, l1pa_l1ps_com.itmeas.radio_freq, if_threshold); #else if_ctl = IF_120KHZ_DSP; dco_algo_ctl_pw = DCO_IF_0KHZ; #endif #endif // Program TPU // ************ #if (RF_FAM != 61) nbmeas = l1pdtpu_interf_meas(l1pa_l1ps_com.itmeas.radio_freq, l1_config.params.high_agc, 0, l1pa_l1ps_com.itmeas.meas_bitmap, l1s.tpu_offset, l1s.tpu_win, l1a_l1s_com.dl_tn); #endif #if (RF_FAM == 61) nbmeas = l1pdtpu_interf_meas(l1pa_l1ps_com.itmeas.radio_freq, l1_config.params.high_agc, 0, l1pa_l1ps_com.itmeas.meas_bitmap, l1s.tpu_offset, l1s.tpu_win, l1a_l1s_com.dl_tn, if_ctl); #endif // Program DSP // ************ l1pddsp_interf_meas_ctrl(nbmeas); #if(RF_FAM == 61) // TBD // Reproduce the DCO control for all the power measurement dco_algo_ctl_pw = dco_algo_ctl_pw * 0x55; // Replicate ZLZLZLZL dco_algo_ctl_pw = dco_algo_ctl_pw >> (2*(4 - nbmeas)); // reduce to ZLs of Nbr if(l1s.tcr_prog_done==1) { dco_algo_ctl_pw=((dco_algo_ctl_pw<<2)|(l1s_dsp_com.dsp_db_common_w_ptr->d_dco_algo_ctrl_pw&0x3)); } l1ddsp_load_dco_ctl_algo_pw(dco_algo_ctl_pw); // of Meas Programmed #endif // Flag DSP and TPU programmation. // ******************************** // Set "CTRL_RX" flag in the controle flag register. l1s.tpu_ctrl_reg |= CTRL_MS; l1s.dsp_ctrl_reg |= CTRL_MS; } // End if 'nbmeas != 0' // This task is not compatible with Neigh. Measurement. Store task length // in "forbid_meas" to indicate when the task will last. // Rem: Only FB51 task starts from this ctrl function. l1s.forbid_meas = TASK_ROM_MFTAB[ITMEAS].size; } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM #if (MOVE_IN_INTERNAL_RAM == 0) // Must be followed by the pragma used to duplicate the funtion in internal RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START /*-------------------------------------------------------*/ /* l1ps_read_itmeas() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* */ /* This function is a "COMPLEX" function used for the */ /* L1S ITMEAS task. */ /* */ /* Here is a summary of the execution: */ /* */ /* - If SEMAPHORE(task) is low and task still enabled. */ /* - Traces and debug. */ /* - Read interference measurement results in NDB */ /* - Fill and send reporting message */ /* - Disactivate task. */ /* - Flag the use of the MCU/DSP dual page read */ /* interface if needed. */ /* */ /* Input parameters: */ /* ----------------- */ /* */ /* Input parameters from globals: */ /* ------------------------------ */ /* "l1pa_l1ps_com.itmeas" */ /* Interference measurement parameters structure */ /* */ /* Modified parameters from globals: */ /* --------------------------------- */ /* "l1s.task_status[task].current_status" */ /* current task status. It must be reset (INACTIVE) */ /* when the task is completed. */ /* -> disactivate task. */ /* */ /* "l1s_dsp_com.dsp_r_page_used" */ /* Flag used by the function which closes L1S */ /* execution ("l1s_end_manager()") to know if the */ /* MCU/DSP read page must be switched. */ /* -> Set to 1 only if no other task was controlled */ /* in the same frame as ITMEAS */ /* */ /* Use of MCU/DSP interface: */ /* ------------------------- */ /* "l1s_dsp_com.dsp_ndb_ptr" */ /* pointer to the non double buffered part (NDB) of */ /* the MCU/DSP interface. This part is R/W for both */ /* DSP and MCU. */ /*-------------------------------------------------------*/ void l1ps_read_itmeas(UWORD8 param1, UWORD8 param2) { xSignalHeaderRec *msg; UWORD8 i; WORD8 delta1_freq, delta2_freq; UWORD16 g_magic; if(!(l1a_l1s_com.task_param[ITMEAS]) && (l1a_l1s_com.l1s_en_task[ITMEAS])) { // Traces and debug. // ****************** #if (TRACE_TYPE!=0) trace_fct(CST_L1PS_READ_ITMEAS, l1pa_l1ps_com.itmeas.radio_freq); #endif // Allocate result message. // ************************ msg = os_alloc_sig(sizeof(T_L1P_ITMEAS_IND)); DEBUGMSG(status,NU_ALLOC_ERR) // Fill msg signal code msg->SignalCode = L1P_ITMEAS_IND; // Fill msg contents // ****************** ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn = l1s.actual_time.fn; // Report measurement bitmap ((T_L1P_ITMEAS_IND *)(msg->SigP))->meas_bitmap = l1pa_l1ps_com.itmeas.meas_bitmap; // Read result from DSP g_magic = l1ctl_get_g_magic(l1pa_l1ps_com.itmeas.radio_freq); delta1_freq = l1ctl_encode_delta1(l1pa_l1ps_com.itmeas.radio_freq); delta2_freq = l1ctl_encode_delta2(l1pa_l1ps_com.itmeas.radio_freq); for (i = 0; i < 8; i++) { UWORD8 pm; WORD16 IL_for_rxlev; pm = (l1ps_dsp_com.pdsp_ndb_ptr->a_interf_meas_gprs[i] & 0xffff) >> 5; // IL processing if (pm == 0) { ((T_L1P_ITMEAS_IND *)(msg->SigP))->rxlev[i] = (WORD8)0x80; } else { IL_for_rxlev = -(pm - (l1_config.params.high_agc << 1) - g_magic) - delta1_freq - delta2_freq; ((T_L1P_ITMEAS_IND *)(msg->SigP))->rxlev[i] = l1s_encode_rxlev(IL_for_rxlev); } } // If the Read phase is done during fn_mod26 = 13 --> measurements have been done // during a PTCCH frame if (l1s.actual_time.t2 == 13) { ((T_L1P_ITMEAS_IND *)(msg->SigP))->position = PTCCH_FRAME; } else // Measurements done during a search frame { ((T_L1P_ITMEAS_IND *)(msg->SigP))->position = SEARCH_FRAME; } // send message... os_send_sig(msg, L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) // ITMEAS is a 'one shot' task --> disable task l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_DISABLED; } // End if "task enabled and semaphore false" // End of task -> task must become INACTIVE. l1s.task_status[ITMEAS].current_status = INACTIVE; // Switch DSP read page if needed if(l1pa_l1ps_com.itmeas.dsp_r_page_switch_req) { // Set flag used to change the read page at the end of "l1_synch". l1s_dsp_com.dsp_r_page_used = TRUE; } } //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #endif // MOVE_IN_INTERNAL_RAM //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #endif //#pragma DUPLICATE_FOR_INTERNAL_RAM_END