/*****************************************************************************
* FUNCTION
* gmiTerminate
* DESCRIPTION
* This function is to handle the terminating state of GMI.
*****************************************************************************/
static void gmiTerminate( void *data )
{
QTMF_CONTROL = 0;
AM_MelodyOff();
gmi.state = GMI_STATE_IDLE;
L1Audio_SetEvent( gmi.aud_id, (void*)GMI_END );
}
void wavRecordData( kal_uint32 msgData )
{
if(wav.state != WAV_STATE_RECORDING)
return;
if( wav.ctrl->end_status == MEDIA_TERMINATED) {
if( (wav.ctrl->format==MEDIA_FORMAT_WAV_DVI_ADPCM || wav.ctrl->format==MEDIA_FORMAT_WAV_DVI_ADPCM_16K )
&& wav.BlockCount != 128 && wav.state == WAV_STATE_IDLE){
L1Audio_SetEvent( wav.aud_id, (void *)0 ); /* zero padding */
}
return;
}
if( (uint8)(wav.tmp_w - wav.tmp_r) < FRAME_BUF_NO )
{
wavReadFromFC((int16 *)wav.tmp_buf[wav.tmp_w&FRAME_BUF_MASK], msgData );
wav.tmp_w++;
L1Audio_SetEvent( wav.aud_id, (void *)0 ); /* Activate the encoder runing in l1audio task */
}
}
static void AVB_HISR(void *data)
{
kal_brief_trace( TRACE_GROUP_SCO, L1AUDIO_AVB_HISR, AVB.uState, AVB.uSegment_W, AVB.uSegment_R);
AVB.uHisrRunning = KAL_TRUE;
if(AVB.uState == AVB_STATE_ENDING || AVB.uState == AVB_STATE_IDLE )
{
return;
}
if( *DSP_TONE_CTRL1 != 0 || *DSP_TONE_CTRL2 != 0 ) //playing speech tone, drop one frame
{
if(AVB.uSegment_W > AVB.uSegment_R)
{
AVB.uSegment_R++;
}
}
else
{
kal_uint16 uDSPAddr;
kal_int32 i;
kal_int16 *pDst, *pSrc;
uDSPAddr = *DSP_DM_ADDR(BT_AUDIO_PLAYBACK_SD_PAGE_NUM, BT_AUDIO_PLAYBACK_SD_PTR_ADDR);
pDst = (volatile kal_uint16 *)DSP_DM_ADDR(BT_AUDIO_PLAYBACK_SD_PAGE_NUM, uDSPAddr);
if(AVB.uSegment_W == AVB.uSegment_R || AVB.fSilence)
{ //fill silence
for(i=AVB_FRAME_SAMPLE-1;i>=0;i--)
{
*pDst++ = 0;
}
if(AVB_STATE_FLUSH_PING == AVB.uState)
{
AVB.uState = AVB_STATE_FLUSH_PONG;
}
else if(AVB_STATE_FLUSH_PONG == AVB.uState)
{
AVB.uState = AVB_STATE_ENDING;
}
}
else
{ //fill data
pSrc = AVB.pBuffer + (AVB.uSegment_R & AVB_SEGMENT_MASK) * AVB_FRAME_SAMPLE;
for(i=AVB_FRAME_SAMPLE-1;i>=0;i--)
{
*pDst++ = *pSrc++;
}
}
if(AVB.uSegment_W > AVB.uSegment_R)
{
AVB.uSegment_R++;
}
}
L1Audio_SetEvent( AVB.uAudID, NULL );
}
void L1Audio_HISR( void )
{
uint32 savedMask;
L1Audio_Disable_DSPSlowIdle();
if( l1audio.hisrMagicFlag ) {
int32 I;
kal_uint16 temp;
temp = *AUDIO_DBG_SHERIF;
for( I = 0; I < MAX_HISR_HANDLER; I++ ) {
if( l1audio.hisrMagicFlag & (1<<I) ) {
savedMask = SaveAndSetIRQMask();
l1audio.hisrMagicFlag &= ~(1<<I);
RestoreIRQMask( savedMask );
kal_brief_trace( TRACE_GROUP_DSPDEBUG, DSPDEBUG_CTRLFLOW, temp, I);
l1audio.hisrHandler[I]( l1audio.hisrUserData[I] );
if( l1audio.postHisrHandler != (L1Audio_EventHandler)0 )
l1audio.postHisrHandler( (void*)l1audio.hisrMagicNo[I] );
}
}
}
#if !defined( MED_MODEM )
//special case when MED_MODEM( of MED_PROFILE ) is defined, all Media_Play, Media_record
//do not exist, then mediaHisr could be removed to reduce memory size.
//In the future, when old interface are not used, mediaHisr should be removed officially.
if( l1audio.media_flag != 0 ) { /* Audio File Playback/Recording */
#ifndef __L1_STANDALONE__ // avoid link error
mediaHisr( l1audio.media_flag );
#endif
if( l1audio.postHisrHandler != (L1Audio_EventHandler)0 )
l1audio.postHisrHandler( (void*)l1audio.media_flag );
l1audio.media_flag = 0;
}
#endif
if( l1audio.event_flag ) {
int16 I;
for( I = 0; I < MAX_AUDIO_FUNCTIONS; I++ ) {
if( l1audio.event_flag & (1<<I) ) {
savedMask = SaveAndSetIRQMask();
l1audio.event_flag &= ~(1<<I);
RestoreIRQMask( savedMask );
L1Audio_SetEvent( I, l1audio.evData[I] );
}
}
}
// To restore slow idle ctrl for DSP
L1Audio_Enable_DSPSlowIdle();
}
static void toneStop( void *data )
{
if (tone.state == TONE_STATE_NONE)
return;
if( !L1Audio_CheckFlag( tone.aud_id ) )
return;
if (tone.isReentrance)
return;
else
tone.isReentrance = true;
tone.bQTMF = false;
if (tone.state == TONE_STATE_INIT) {
int I;
for (I = 0; ; I++) {
if (tone.state != TONE_STATE_INIT)
break;
ASSERT_REBOOT( I < 20 );
kal_sleep_task( 2 );
}
}
if (tone.state == TONE_STATE_PLAY) {
tone.state = TONE_STATE_STOP;
tone.isWait = true;
L1Audio_FC_TonePlaybackOff(tone.fc_aud_id);
tone.isWait = false;
tone.state = TONE_STATE_IDLE;
}
if (tone.state == TONE_STATE_IDLE) {
tone.state = TONE_STATE_NONE;
L1Audio_FC_UnHookHandler(tone.fc_aud_id, 0);
tone.fc_aud_id = 0xFFFF;
}
AM_ToneOff();
AFE_TurnOffSpeaker( L1SP_TONE );
L1Audio_ClearFlag( tone.aud_id );
tone.seqNum++;
L1Audio_SetEvent( tone.aud_id, 0 );
}
/*
* Description
* ---------
* The function stops the background sound playback of the media handle.
*
* Syntax
* ---------
* void BGSND_Stop();
*
* where
* hdl The media handle
*
* Return Value
* ---------
* None
*/
void BGSND_Stop(void)
{
kal_trace( TRACE_FUNC, L1SND_ENTER_BGSND_STOP );
/*
if ( !L1Audio_CheckFlag( bgSnd.aud_id ) )
return;
*/
// unregister service
// L1SP_UnRegister_BgsService();
bgSnd.state = BGSND_STATE_STOP;
// set event to trigger close process
L1Audio_SetEvent(bgSnd.aud_id, NULL);
}
static void toneLoopBackRecHisr( void )
{
#ifndef __L1_STANDALONE__ // avoid link error
if(ToneLBR.uState == TLBR_STATE_IDLE)
return;
if(ToneLBR.uState == TLBR_STATE_INIT){ // skip 1'st frame
ToneLBR.uState = TLBR_STATE_REC;
return;
}
if(ToneLBR.uDataCnt < ToneLBR.uSize) {
// fill data
PCM2WAY_GetFromMic((kal_uint16 *)(ToneLBR.pBuf + ToneLBR.uDataCnt));
ToneLBR.uDataCnt += BYTES_PER_FRAME;
}else {
// buffer is full
L1Audio_SetEvent( ToneLBR.aud_id, (void *)0 );
}
#endif // #ifndef __L1_STANDALONE__
}
static void spe_custom_hisr_hdlr(void)
{
if(spe_custom == NULL)
return;
if(spe_custom->state != SPE_STATE_WORKING)
return;
if(spe_custom->buf_read != spe_custom->buf_to_process){
PCM4WAY_PutToSpk((const uint16 *)spe_custom->dl_pcm[spe_custom->buf_read]);
PCM4WAY_PutToSE((const uint16 *)spe_custom->ul_pcm[spe_custom->buf_read]);
spe_custom->buf_read++;
if( spe_custom->buf_read == PCM_BUFFER_NUM )
spe_custom->buf_read = 0;
} else {
PCM4WAY_FillSpk(0);
PCM4WAY_FillSE(0);
}
PCM4WAY_GetFromSD((uint16 *)spe_custom->dl_pcm[spe_custom->buf_write]);
PCM4WAY_GetFromMic((uint16 *)spe_custom->ul_pcm[spe_custom->buf_write]);
spe_custom->buf_write++;
if( spe_custom->buf_write == PCM_BUFFER_NUM )
spe_custom->buf_write = 0;
L1Audio_SetEvent(spe_custom->aud_id, 0);
}
void bgsndTimerCallback(void)
{
L1Audio_SetEvent(bgSnd.aud_id, NULL);
}
/*****************************************************************************
* FUNCTION
* gmiWriteToDSP
* DESCRIPTION
* This function is the call-back function of GPT for playing notes.
*****************************************************************************/
static void gmiWriteToDSP( void *data )
{
GMI_Note *note;
uint16 I;
uint32 curtime;
uint32 note_time;
uint32 next_time;
uint16 rb_count_org;
rb_count_org = RB_Count();
curtime = (uint32)(QTMF_COUNTER - gmi.start_time);
next_time = curtime;
while( !RB_Empty() ) {
note = RB_Peek();
note_time = gmi.note_time + note->delta_time;
if( note_time > next_time ) {
next_time = note_time;
}
else if( note_time < curtime ) {
RB_Consume();
gmi.note_time = note_time;
continue;
}
/* search for the first available DSP tone */
for( I = 0; I < MAX_DPRAM_BUFFER; I++ ) {
#if defined(MT6205)
if( QTMF_DURA(I) == 0 && gmi.dsp_time[I] <= note_time ) {
#else
if( QTMF_DURA(I) == 0 ) {
#endif
QTMF_FREQ(I) = Pitch2Frequency[ note->pitch ];
QTMF_AMP(I) = (uint16)note->amplitude;
QTMF_DURA(I) = note->duration << 4;
/* QTMF_DURA(I) = (note->duration << 4) + ((note->timbre >> 3) & 0x0F );
*/
QTMF_TIME(I) = (uint16)note_time + gmi.start_time;
gmi.dsp_time[I] = note_time + note->duration;
if( gmi.end_time < gmi.dsp_time[I] )
gmi.end_time = gmi.dsp_time[I];
RB_Consume();
gmi.note_time = note_time;
break;
}
}
if( I == MAX_DPRAM_BUFFER )
break;
}
switch( gmi.state ) {
case GMI_STATE_INIT:
QTMF_CONTROL = 3;
gmi.state = GMI_STATE_PLAY;
break;
case GMI_STATE_PLAY:
if( rb_count_org >= GMI_RB_SIZE/2 && RB_Count() < GMI_RB_SIZE/2 )
L1Audio_SetEvent( gmi.aud_id, (void*)GMI_NOTE_REQUEST );
if( gmi.eof_flag )
gmi.state = GMI_STATE_DATA_COMPLETE;
break;
case GMI_STATE_DATA_COMPLETE:
if( RB_Empty() ) {
GPTI_StartItem( gmi.gpt, (gmi.end_time - curtime + 5) * 2, gmiTerminate, 0 );
return;
}
break;
}
if( next_time > curtime )
next_time = next_time - curtime;
else
next_time = 1;
GPTI_StartItem( gmi.gpt, next_time, gmiWriteToDSP, 0 );
}
/*****************************************************************************
* FUNCTION
* GMI_Play
* DESCRIPTION
* This function is used to start melody playing.
*
* PARAMETERS
* gmi_handler - a call back function used to be notified an event that
* the end of a song is reached.
*****************************************************************************/
void GMI_Play( void (*gmi_handler)( GMI_Event event ) )
{
int16 I;
if( L1Audio_CheckFlag( gmi.aud_id ) )
return;
if( gmi_handler == 0 )
return;
if( gmi.state != GMI_STATE_IDLE )
return;
L1Audio_SetFlag( gmi.aud_id );
GPTI_StopItem( gmi.gpt );
for( I = 0; I < MAX_DPRAM_BUFFER; I++ ) {
gmi.dsp_time[I] = 0;
QTMF_DURA(I) = 0;
}
gmi.rb_head = 0;
gmi.rb_tail = 0;
gmi.mmi_time = 0;
gmi.start_time = QTMF_COUNTER;
gmi.end_time = 0;
gmi.state = GMI_STATE_INIT;
gmi.note_time = 0;
gmi.eof_flag = false;
gmi.gmi_handler = gmi_handler;
gmi.gmi_handler( GMI_NOTE_REQUEST );
AM_MelodyOn();
gmiWriteToDSP( 0 );
} /* end of gmiPlay */