audio.c

GSM手机设计软件代码

        act_tone.descr_index = 0;
        audio_buzzer ();
      }
      else
        act_tone.status = NO_TONE;
      break;

    default:
      /*
       * switch buzzer on
       */
      BZ_Enable ();
      BZ_Volume (act_buzVolume);
      BZ_Tone   (act_tone.descr
                     [act_tone.descr_index].command_1);
#if defined (NEW_FRAME)
      vsi_t_start (VSI_CALLER
                   CST_AUDIOTIMER,
                   act_tone.descr
                   [act_tone.descr_index++].length*60/13);
#else
      vsi_t_start (VSI_CALLER
                       audio_handle,
                   act_tone.descr
                   [act_tone.descr_index++].length*60/13);
#endif
      act_tone.status = BUZZER_ON;
      break;
  }
}


/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6103)       MODULE  : DRV_AUDIO                  |
| STATE   : code                ROUTINE : audio_audio                |
+--------------------------------------------------------------------+

  PURPOSE : Process an audio tone.

*/

LOCAL void audio_audio (void)
{
  if (act_tone.status EQ NO_TONE)
    return;

  switch (act_tone.descr
          [act_tone.descr_index].command_1)
  {
    case 0:
      /*
       * switch audio off
       */
#if defined (NEW_FRAME)
      vsi_t_start (VSI_CALLER CST_AUDIOTIMER,
                   act_tone.descr
                   [act_tone.descr_index++].length*60/13);
#else
      vsi_t_start (VSI_CALLER audio_handle,
                       act_tone.descr
                   [act_tone.descr_index++].length*60/13);
#endif
      act_tone.status = TONE_SILENT;
      break;

    case 0xFFFF:
      /*
       * end of list
       */
      if (act_tone.style EQ 2)
      {
        act_tone.descr_index = 0;
        audio_audio ();
      }
      else
        act_tone.status = NO_TONE;
      break;

    default:
      /*
       * switch audio tone on
       */
      {
#if defined (RIV_AUDIO)
        USHORT fa1 = act_tone.descr[act_tone.descr_index].command_1;
        USHORT fa2 = act_tone.descr[act_tone.descr_index].command_2;
        ULONG len = act_tone.descr[act_tone.descr_index].length;
        t.tones[0].start_tone = 0;
        t.tones[0].stop_tone = (USHORT) ((60 * len) / 13);
        t.tones[0].frequency_tone = (fa1 >> 5) & 0x07ff;
        t.tones[0].amplitude_tone = -((char) (fa1 & 0x001f));
        t.tones[1].start_tone = 0;
        t.tones[1].stop_tone = (USHORT) ((60 * len) / 13);
        t.tones[1].frequency_tone = (fa2 >> 5) & 0x07ff;
        t.tones[1].amplitude_tone = -((char) (fa2 & 0x001f));
        t.tones[2].start_tone = 0;
//     t.tones[2].stop_tone = 1; - NDH : Removed as this does not comply with the i/f spec
        t.tones[2].stop_tone = (USHORT) ((60 * len) / 13);
        t.tones[2].frequency_tone = NO_TONE;
        t.tones[2].amplitude_tone = 0;
        t.frame_duration = (USHORT) ((60 * len) / 13);
        t.sequence_duration = (USHORT) ((60 * len) / 13);   /* why 120 ??? -> changed to 60 */
        t.period_duration = (USHORT) ((60 * len) / 13);     /*         -"-                  */
        t.repetition = 1;
  #ifdef _TARGET_
        /*
         * This function seems only to be available on target. (db / 2001-07-16)
         */
        audio_tones_start(&t,riv_audio_rp);
  #endif
#else
  #ifndef FF_GTI
        PALLOC (audio, MMI_TONE_REQ);
          /*
           * Convert TDMA frames to 20 ms ->  3/13
           */

          audio->d_k_x1_t0 = act_tone.descr[act_tone.descr_index].command_1;
          audio->d_k_x1_t1 = act_tone.descr[act_tone.descr_index].command_2;
          audio->d_k_x1_t2 = 0;
          audio->d_pe_rep  = 1;
          audio->d_pe_off  = (6*act_tone.descr[act_tone.descr_index].length) / 13;
          audio->d_se_off  = (6*act_tone.descr[act_tone.descr_index].length) / 13;
          audio->d_bu_off  = (3*act_tone.descr[act_tone.descr_index].length) / 13;
          audio->d_t0_on   = 0;
          audio->d_t0_off  = (3*act_tone.descr[act_tone.descr_index].length) / 13;
          audio->d_t1_on   = 0;
          audio->d_t1_off  = (3*act_tone.descr[act_tone.descr_index].length) / 13;
          audio->d_t2_on   = 0;
          audio->d_t2_off  = 0;

          PSENDX (L1, audio);
  #endif /* FF_GTI */
#endif

#if defined (NEW_FRAME)
          vsi_t_start (VSI_CALLER CST_AUDIOTIMER,
                       act_tone.descr
                       [act_tone.descr_index++].length*60/13);
#else
          vsi_t_start (VSI_CALLER audio_handle,
                       act_tone.descr
                       [act_tone.descr_index++].length*60/13);
#endif
          act_tone.status = TONE_ON;
      }
      break;
  }
}


/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6103)       MODULE  : DRV_AUDIO                  |
| STATE   : code                ROUTINE : audio_UlMute               |
+--------------------------------------------------------------------+

  PURPOSE : This function mutes the uplink path.

*/
LOCAL void audio_UlMute (UBYTE mute)
{
  if (mute)
  {
#ifdef ALR
    ABB_UlMute (1);
#else
    VG_UlVolume (0);
#endif
  }
  else
  {
#ifdef ALR
    ABB_UlMute (0);
#else
    VG_UlVolume (act_micVolume);
#endif
  }
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6103)       MODULE  : DRV_AUDIO                  |
| STATE   : code                ROUTINE : audio_set_tty              |
+--------------------------------------------------------------------+

  PURPOSE : This function (de)activates the TTY codec.

*/

#if defined (FF_TTY) || defined (_TTY_SIMU)
GLOBAL void audio_set_tty (UBYTE tty)
{
  if (tty)
  {
#if defined (RIV_AUDIO) && !defined (_TTY_SIMU)
    T_AUDIO_MODE_SAVE audio_mode;
    T_RV_RETURN ret = {NOT_PRESENT_16BIT, NULL};
    T_AUDIO_RET audio_ret;

    if (!tty_state)
    {
      tty_cfg.Mode = TTY_EXT_START;
      tty_cfg.ThresholdRead = tty_cfg.ThreshHoldWrite = 0;

      ret.callback_func = audio_save_def_return;
      strcpy (audio_mode.audio_mode_filename, audio_mode_name_def);
      audio_ret = audio_mode_save (&audio_mode, ret);

      if (audio_ret NEQ AUDIO_OK)
      {
        TRACE_EVENT_P1 ("Error AUDIO MODE SAVE def: %d", (int)audio_ret);
      }
      else
      {
        TRACE_EVENT ("AUDIO MODE SAVE def");
      }
    }
    else
    {
      TRACE_EVENT ("TTY running");
    }
#else
    TRACE_EVENT ("TTY start");
#endif
  }
  else
  {
#if defined (RIV_AUDIO) && !defined (_TTY_SIMU)
    T_RV_RETURN ret = {NOT_PRESENT_16BIT, NULL};
    T_AUDIO_RET audio_ret;

    if (tty_state)
    {
      ret.callback_func = audio_tty_return;
      tty_cfg.ThresholdRead = tty_cfg.ThreshHoldWrite = 0;
      tty_cfg.Mode = TTY_STOP;
      audio_ret = audio_tty_set_config (&tty_cfg, &ret);

      if (audio_ret NEQ AUDIO_OK)
      {
        TRACE_EVENT_P1 ("Error TTY stop: %d", (int)audio_ret);
      }
    }
    else
    {
      TRACE_EVENT ("TTY ended");
    }
#else
    TRACE_EVENT ("TTY stop");
#endif
  }
}

#if defined (RIV_AUDIO) AND !defined (_TTY_SIMU)
LOCAL void audio_tty_return (void *tty_result)
{
  T_AUDIO_MODE_LOAD audio_mode;
  T_RV_RETURN ret = {NOT_PRESENT_16BIT, NULL};
  T_AUDIO_RET audio_ret;

  if (((T_AUDIO_TTY_STATUS *)tty_result)->status NEQ AUDIO_OK)
  {
    TRACE_EVENT_P1 ("Error TTY callback: %d",
                    (int)((T_AUDIO_TTY_STATUS *)tty_result)->status);
  }
  tty_state = FALSE;
  tty_cfg.Mode = TTY_STOP;
  TRACE_EVENT ("TTY end");

  ret.callback_func = audio_load_return;
  strcpy (audio_mode.audio_mode_filename, audio_mode_name_def);
  audio_ret = audio_mode_load (&audio_mode, ret);

  if (audio_ret NEQ AUDIO_OK)
  {
    TRACE_EVENT_P1 ("Error AUDIO MODE LOAD def: %d", (int)audio_ret);
  }
}

LOCAL void audio_save_def_return (void *result)
{
  T_AUDIO_MODE_LOAD audio_mode;
  T_RV_RETURN load_ret = {NOT_PRESENT_16BIT, NULL};
  T_AUDIO_RET audio_ret;

  if (((T_AUDIO_SAVE_DONE *)result)->status NEQ AUDIO_OK)
  {
    TRACE_EVENT_P1 ("Error AUDIO MODE SAVE def callback: %d",
                    (int)((T_AUDIO_SAVE_DONE *)result)->status);
  }
  else
  {
    TRACE_EVENT ("AUDIO def saved");

    load_ret.callback_func = audio_load_return;
    strcpy (audio_mode.audio_mode_filename, audio_mode_name_tty);
    audio_ret = audio_mode_load (&audio_mode, load_ret);

    if (audio_ret NEQ AUDIO_OK)
    {
      TRACE_EVENT_P1 ("Error AUDIO MODE LOAD TTY: %d", (int)audio_ret);
    }
  }
}

LOCAL void audio_load_return (void *result)
{
  if (((T_AUDIO_LOAD_DONE *)result)->status NEQ AUDIO_OK)
  {
    TRACE_EVENT_P1 ("Error AUDIO MODE LOAD callback: %d",
                    (int)((T_AUDIO_LOAD_DONE *)result)->status);
  }
  else
  {
    T_RV_RETURN ret = {NOT_PRESENT_16BIT, NULL};
    T_AUDIO_RET audio_ret;

    if (!tty_state AND tty_cfg.Mode EQ TTY_EXT_START)
    {
      ret.callback_func =  audio_tty_return;
      audio_ret = audio_tty_set_config (&tty_cfg, &ret);

      if (audio_ret NEQ AUDIO_OK)
      {
        TRACE_EVENT_P1 ("Error TTY set: %d", (int)audio_ret);
      }
      else
      {
        tty_state = TRUE;

        TRACE_EVENT ("AUDIO TTY loaded & start");
      }
    }
    else if (!tty_state AND tty_cfg.Mode EQ TTY_STOP)
    {
      TRACE_EVENT ("AUDIO def loaded");
    }
  }
}
#endif
#endif

/*******************************************************************
 *                                                                 *
 * PART II: Simulation for Windows                                 *
 *                                                                 *
 *******************************************************************/

#if defined (_SIMULATION_)
/*
 * Dummies for driver calls
 */

LOCAL  void BZ_Init          (void)
{
}

LOCAL  void BZ_Enable        (void)
{
}

LOCAL  void BZ_Disable       (void)
{
}

LOCAL  void BZ_Tone          (int f)
{
}

LOCAL  void BZ_Volume        (int v)
{
}

#ifdef ALR
LOCAL  void ABB_DlVolume     (UBYTE v)
{
}

LOCAL  void ABB_DlMute       (UBYTE mute)
{
}

LOCAL  void ABB_UlMute       (UBYTE value)
{
}

LOCAL  void ABB_SideTone     (UBYTE v)
{
}
#else
LOCAL  void VG_UlVolume      (UBYTE v)
{
}

LOCAL  void VG_DlVolume      (UBYTE v)
{
}

LOCAL  void VG_DlMute        (UBYTE mute)
{
}

LOCAL  void VG_SideTone      (UBYTE v)
{
}
#endif

#endif

#if defined (RIV_AUDIO)
void audio_riv_audio_cb (void *buf)
{
    /* nothing to do for this time */
}
#endif