void ToneLoopBackRec(void(*callback)( kal_uint8 *pBuf, kal_uint16 mode ), ToneLBR_Para *pstPara )
{
#ifndef __L1_STANDALONE__ // avoid link error
ASSERT(ToneLBR.uState == TLBR_STATE_IDLE);
ASSERT(0xFFFF == ToneLBR.aud_id);
ToneLBR.aud_id = L1Audio_GetAudioID();
L1Audio_SetEventHandler( ToneLBR.aud_id, toneLoopbackRecHandler );
ToneLBR.callback = callback;
ToneLBR.uState = TLBR_STATE_INIT;
ToneLBR.uSize = pstPara->uSize - (pstPara->uSize%BYTES_PER_FRAME);
ToneLBR.pBuf = pstPara->pBuf;
ToneLBR.uMode = pstPara->uMode;
AFE_EnableToneLoopBackFlag( KAL_TRUE );
AM_EnableToneLoopBackFlag( KAL_TRUE );
if(pstPara->uMode)
KT_SetOutputDevice( L1SP_LOUD_SPEAKER ); // loud speaker mode
else
KT_SetOutputDevice( L1SP_SPEAKER1 ); // normal mode
kal_trace( TRACE_FUNC, L1AUDIO_TONE_LOOPBACK_REC_MODE, pstPara->uMode);
KT_SetOutputVolume( pstPara->bAnalogSpkGain, 0 );
KT_Play( pstPara->uFreq, pstPara->uFreq, 0 );
KT_SetAmplitude( pstPara->uKT_AMP );
kal_sleep_task(30); // to ensure tone is stable
// Activate 2-way PCM
AM_DSP_SetSpeechUplinkDigitalGain(pstPara->uUL_DigGain); // *DP_VOL_IN_PCM = pstPara->uUL_DigGain; // uplink digital gain
AM_DSP_SetSpeechDigitalGain(pstPara->uDL_DigGain); // *DP_VOL_OUT_PCM = pstPara->uDL_DigGain;
AFE_MuteMicrophone(KAL_FALSE); // un-mute microphone
L1SP_SetMicrophoneVolume( pstPara->uAnalogMicGain );
Media_SetOutputDevice( 0 );
PCM2WAY_Start( toneLoopBackRecHisr, 1 ); // voice
#endif // #ifndef __L1_STANDALONE__
}
void I2SIN_SetOutputDevice( kal_uint8 device )
{
kal_trace( TRACE_FUNC, L1AUDIO_I2S_SET_DEVICE, device);
Media_SetOutputDevice( device );
}
