/****************************************************************************/
/*                                                                          */
/*  File Name:  audio_keybeep.c                                             */
/*                                                                          */
/*  Purpose:  This file contains all the functions used to manage the       */
/*            keybeep.                                                      */
/*                                                                          */
/*  Version   0.1                                                           */
/*                                                                          */
/*  Date        Modification                                                */
/*  ------------------------------------                                    */
/*  18 May 2001 Create                                                      */
/*                                                                          */
/*  Author                                                                  */
/*     Francois Mazard - Stephanie Gerthoux                                 */
/*                                                                          */
/* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/
/****************************************************************************/

#include "rv/rv_defined_swe.h"
#ifdef RVM_AUDIO_MAIN_SWE
  #ifndef _WINDOWS
    #include "config/swconfig.cfg"
    #include "config/sys.cfg"
    #include "config/chipset.cfg"
  #endif

  #include <math.h>

  /* include the usefull L1 header */
  #include "l1_confg.h"

  #if (KEYBEEP)
  #include "rv/rv_general.h"
  #include "rvm/rvm_gen.h"
  #include "audio/audio_features_i.h"
  #include "audio/audio_ffs_i.h"
  #include "audio/audio_api.h"
  #include "audio/audio_structs_i.h"
  #include "audio/audio_var_i.h"
  #include "audio/audio_messages_i.h"
  #include "rvf/rvf_target.h"
  #include "audio/audio_const_i.h"
  #include "audio/audio_error_hdlr_i.h"

  /* include the usefull L1 header */
  #define BOOL_FLAG
  #define CHAR_FLAG
  #include "l1_types.h"
  #include "l1audio_cust.h"
  #include "l1audio_msgty.h"
  #include "l1audio_signa.h"


  /********************************************************************************/
  /*                                                                              */
  /*    Function Name:   audio_keybeep_convert_parameter                          */
  /*                                                                              */
  /*    Purpose:  Convert the keybeep paramters from the entity to the l1         */
  /*              parameters                                                      */
  /*                                                                              */
  /*    Input Parameters:                                                         */
  /*        entity keybeep message                                                */
  /*                                                                              */
  /*    Output Parameters:                                                        */
  /*        layer 1  keybeep message                                              */
  /*                                                                              */
  /*    Note:                                                                     */
  /*        None.                                                                 */
  /*                                                                              */
  /*    Revision History:                                                         */
  /*        None.                                                                 */
  /*                                                                              */
  /********************************************************************************/


  void audio_keybeep_convert_parameter( T_AUDIO_KEYBEEP_START *entity_parameter,
                                        T_MMI_KEYBEEP_REQ *l1_parameter)
  {
    double frequency_index, frequency_beep, amplitude_beep, amplitude, amplitude_index;

    /* Calculation of the frequency index */
    /* note: we /* add +0.5 to compensate the truncation */
    frequency_beep = (double)(entity_parameter->keybeep_parameter.frequency_beep[0]);
    frequency_index = (256 * cos(6.283185*(frequency_beep/8000)));
    /* Calculation of the amplitude index */
    /* note: we /* add +0.5 to compensate the truncation */
    amplitude_beep = (double)(entity_parameter->keybeep_parameter.amplitude_beep[0]);
    amplitude      = exp((amplitude_beep*0.115129)+(5.544625));
    amplitude_index = amplitude * sin(6.283185*(frequency_beep/8000));

    l1_parameter->d_k_x1_kt0 = (UINT16)((((UINT16)(frequency_index))<<8) | ((UINT16)(amplitude_index)));

    /* Calculation of the frequency index */
    /* note: we /* add +0.5 to compensate the truncation */
    frequency_beep = (double)(entity_parameter->keybeep_parameter.frequency_beep[1]);
    frequency_index = (256 * cos(6.283185*(frequency_beep/8000)));
    /* Calculation of the amplitude index */
    /* note: we /* add +0.5 to compensate the truncation */
    amplitude_beep = (double)(entity_parameter->keybeep_parameter.amplitude_beep[1]);
    amplitude      = exp((amplitude_beep*0.115129)+(5.544625));
    amplitude_index = amplitude * sin(6.283185*(frequency_beep/8000));

    l1_parameter->d_k_x1_kt1 = (UINT16)((((UINT16)(frequency_index))<<8) | ((UINT16)(amplitude_index)));

    l1_parameter->d_dur_kb = (UINT16)(entity_parameter->keybeep_parameter.duration/20);
  }


  /********************************************************************************/
  /*                                                                              */
  /*    Function Name:   audio_keybeep_send_status                                */
  /*                                                                              */
  /*    Purpose:  This function sends the keybeep status to the entity.           */
  /*                                                                              */
  /*    Input Parameters:                                                         */
  /*        status,                                                               */
  /*        return path                                                           */
  /*                                                                              */
  /*    Output Parameters:                                                        */
  /*        None.                                                                 */
  /*                                                                              */
  /*    Note:                                                                     */
  /*        None.                                                                 */
  /*                                                                              */
  /*    Revision History:                                                         */
  /*        None.                                                                 */
  /*                                                                              */
  /********************************************************************************/
  void audio_keybeep_send_status (T_AUDIO_RET status, T_RV_RETURN return_path)
  {
    void *p_send_message = NULL;
    T_RVF_MB_STATUS mb_status = RVF_RED;

    while (mb_status == RVF_RED)
    {
      /* allocate the message buffer */
      mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
                               sizeof (T_AUDIO_KEYBEEP_STATUS),
                               (T_RVF_BUFFER **) (&p_send_message));

      /* If insufficient resources, then report a memory error and abort.               */
      /* and wait until more ressource is given */
      if (mb_status == RVF_RED)
      {
        audio_keybeep_error_trace(AUDIO_ENTITY_NO_MEMORY);
        rvf_delay(RVF_MS_TO_TICKS(1000));
      }
    }
    /*fill the header of the message */
        ((T_AUDIO_KEYBEEP_STATUS *)(p_send_message))->os_hdr.msg_id = AUDIO_KEYBEEP_STATUS_MSG;

    /* fill the status parameters */
    ((T_AUDIO_KEYBEEP_STATUS *)(p_send_message))->status = status;

    if (return_path.callback_func == NULL)
    {
      /* send the message to the entity */
      rvf_send_msg (return_path.addr_id,
                    p_send_message);
    }
    else
    {
      /* call the callback function */
      (*return_path.callback_func)((void *)(p_send_message));
      rvf_free_buf((T_RVF_BUFFER *)p_send_message);
    }
  }
  /********************************************************************************/
  /*                                                                              */
  /*    Function Name:   audio_keybeep_manager                                    */
  /*                                                                              */
  /*    Purpose:  This function is called to manage a key beep generation         */
  /*              and DTMF generation.                                            */
  /*                                                                              */
  /*    Input Parameters:                                                         */
  /*        Audio Key Beep Parameters,                                            */
  /*                                                                              */
  /*    Output Parameters:                                                        */
  /*        None.                                                                 */
  /*                                                                              */
  /*    Note:                                                                     */
  /*        None.                                                                 */
  /*                                                                              */
  /*    Revision History:                                                         */
  /*        None.                                                                 */
  /*                                                                              */
  /********************************************************************************/
  void audio_keybeep_manager (T_RV_HDR *p_message)
  {
    /* Declare local variables.                                                   */
    void *p_send_message;

    /**************** audio_keybeep_manager function begins *********************/
    switch(p_audio_gbl_var->keybeep.state)
    {
      case AUDIO_KEYBEEP_IDLE:
        {
          switch(p_message->msg_id)
          {
             case AUDIO_KEYBEEP_START_REQ:
              {
                /* save the addr id of the entity */
                p_audio_gbl_var->keybeep.task_id = p_message->src_addr_id;

                /* save the return path */
                p_audio_gbl_var->keybeep.return_path.callback_func = ((T_AUDIO_KEYBEEP_START*)(p_message))->return_path.callback_func;
                p_audio_gbl_var->keybeep.return_path.addr_id       = ((T_AUDIO_KEYBEEP_START*)(p_message))->return_path.addr_id;


                /* allocate the buffer for the message to the L1 */
                p_send_message = audio_allocate_l1_message(sizeof(T_MMI_KEYBEEP_REQ));
                if ( p_send_message != NULL)
                {
                  /* Convert the entity parameters to the audio L1 parameters */
                  audio_keybeep_convert_parameter((T_AUDIO_KEYBEEP_START *)p_message,
                                                  (T_MMI_KEYBEEP_REQ *)p_send_message);

                  /* send the start command to the audio L1 */
                  audio_send_l1_message(MMI_KEYBEEP_START_REQ, p_send_message);
                }

                /* change to the state AUDIO_KEYBEEP_WAIT_START_CONFIRMATION */
                p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_WAIT_START_CON;
               break;
               }

             case AUDIO_KEYBEEP_STOP_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_STOP *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_STOP_EVENT);
                break;
              }
          }
        break;
        } /* case AUDIO_KEYBEEP_IDLE */

      case AUDIO_KEYBEEP_WAIT_START_CON:
        {
          switch(p_message->msg_id)
          {
             case MMI_KEYBEEP_START_CON:
              {
                /* change to the state AUDIO_KEYBEEP_WAIT_STOP_COMMAND */
                p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_WAIT_STOP_COMMAND;
              break;
              }
             case AUDIO_KEYBEEP_STOP_REQ:
               /*.Before stopping this task, control that                           */
               /*          stop task id caller = Keybeep task id                    */
               {
                 if ( p_audio_gbl_var->keybeep.task_id == p_message->src_addr_id)
                 {
                    /* change to the state AUDIO_KEYBEEP_WAIT_STOP_CONFIRMATION */
                    p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_WAIT_START_CON_TO_STOP;
                 }
                 else
                 {
                   /* A stop request from an other task is sent during a start connection */
                   /* event error - send an error message  */
                   audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_STOP *)(p_message))->return_path);

                   audio_keybeep_error_trace(AUDIO_ERROR_STOP_EVENT);
                 }
              break;
              }
            case AUDIO_KEYBEEP_START_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_START *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_START_EVENT);
              break;
              }
          }
        break;
        } /* case AUDIO_WAIT_START_CON */

       case AUDIO_KEYBEEP_WAIT_START_CON_TO_STOP:
        {
          switch(p_message->msg_id)
          {
             case MMI_KEYBEEP_START_CON:
              {
                /* send the stop command to the audio L1 */
                /* allocate the buffer for the message to the L1 */
                p_send_message = audio_allocate_l1_message(0);
                if ( p_send_message != NULL)
                {
                  /* send the start command to the audio L1 */
                  audio_send_l1_message(MMI_KEYBEEP_STOP_REQ, p_send_message);
                }

                /* change to the state AUDIO_KEYBEEP_WAIT_STOP_CON */
                p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_WAIT_STOP_CON;
               break;
               }
              case AUDIO_KEYBEEP_START_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_START *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_START_EVENT);
              break;
              }
              case AUDIO_KEYBEEP_STOP_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_STOP *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_STOP_EVENT);
              break;
              }
          }
        break;
        }

       case AUDIO_KEYBEEP_WAIT_STOP_COMMAND:
        {
          switch(p_message->msg_id)
          {
             case MMI_KEYBEEP_STOP_CON:
              {
                audio_keybeep_send_status (AUDIO_OK, p_audio_gbl_var->keybeep.return_path);

                /* change to the state AUDIO_KEYBEEP_IDLE */
                p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_IDLE;
               break;
              }

             case AUDIO_KEYBEEP_STOP_REQ:
               /* A stop request is sent during a stop connection                        */
               /* Save the addr id of the entity */
               p_audio_gbl_var->keybeep.task_id = p_message->src_addr_id;

               /*.Control that (stop task id caller = Keybeep task id) and stop the task */
               { if ( p_audio_gbl_var->keybeep.task_id == p_message->src_addr_id)
                  {

                    /* send the stop command to the audio L1 */
                    /* allocate the buffer for the message to the L1 */
                    p_send_message = audio_allocate_l1_message(0);
                    if (p_send_message != NULL)
                    {
                      /* send the start command to the audio L1 */
                      audio_send_l1_message(MMI_KEYBEEP_STOP_REQ, p_send_message);
                    }

                    /* change to the state AUDIO_KEYBEEP_WAIT_STOP_CONFIRMATION */
                     p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_WAIT_STOP_CON;
                  }
                 else
                 {
                   /* A stop request from an other task is sent during a stop connection */
                   /* event error - send an error message  */
                   audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_STOP *)(p_message))->return_path);

                   audio_keybeep_error_trace(AUDIO_ERROR_STOP_EVENT);
                 }
              break;
              }

            case AUDIO_KEYBEEP_START_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_START *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_START_EVENT);
              break;
              }
          }
        break;
        } /* case AUDIO_KEYBEEP_WAIT_STOP_COMMAND */

        case AUDIO_KEYBEEP_WAIT_STOP_CON:
        {
          switch(p_message->msg_id)
          {
             case MMI_KEYBEEP_STOP_CON:
              {
                audio_keybeep_send_status (AUDIO_OK, p_audio_gbl_var->keybeep.return_path);

                /* change to the state AUDIO_KEYBEEP_IDLE */
                 p_audio_gbl_var->keybeep.state = AUDIO_KEYBEEP_IDLE;
               break;
               }
             case AUDIO_KEYBEEP_STOP_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_STOP *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_STOP_EVENT);
              break;
              }
            case AUDIO_KEYBEEP_START_REQ:
              {
                /* event error - send an error message*/
                audio_keybeep_send_status (AUDIO_ERROR, ((T_AUDIO_KEYBEEP_START *)(p_message))->return_path);

                audio_keybeep_error_trace(AUDIO_ERROR_START_EVENT);
              break;
              }
          }
        break;
        } /* case AUDIO_KEYBEEP_WAIT_STOP_CON */

    } /* switch(p_audio_gbl_var->keybeep.state) */
  } /*********************** End of audio_keybeep_manager function **********************/
  #endif /*  #if (KEYBEEP) */

#endif /* #ifdef RVM_AUDIO_MAIN_SWE */