/**
* @brief Initializes audio
* @param None.
* @retval Audio state.
*/
AUDIO_RECORDER_ErrorTypdef AUDIO_RECORDER_Init(uint8_t volume)
{
/* Initialize internal audio structure */
haudio.in.volume = DEFAULT_REC_AUDIO_VOLUME;
/* Register audio BSP drivers callbacks */
AUDIO_IF_RegisterCallbacks(AUDIO_TransferComplete_CallBack,
AUDIO_HalfTransfer_CallBack,
AUDIO_Error_CallBack);
/* Create Audio Queue */
osMessageQDef(AUDIO_Queue, 1, uint16_t);
AudioEvent = osMessageCreate (osMessageQ(AUDIO_Queue), NULL);
/* Create Audio task */
osThreadDef(osAudio_Thread, Audio_Thread, osPriorityNormal, 0, 1024);
AudioThreadId = osThreadCreate (osThread(osAudio_Thread), NULL);
haudio.in.state = AUDIO_RECORDER_IDLE;
return AUDIO_RECORDER_ERROR_NONE;
}
/**
* @brief Initializes audio
* @param None.
* @retval Audio state.
*/
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Init(uint8_t volume)
{
#if (!defined ( __GNUC__ ))
uint32_t index = 0;
__IO uint32_t ldness_value;
#endif
/* Try to Init Audio interface in diffrent config in case of failure */
BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_AUTO, volume, I2S_AUDIOFREQ_48K);
BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02);
/* Initialize internal audio structure */
haudio.out.state = AUDIOPLAYER_STOP;
haudio.out.mute = MUTE_OFF;
haudio.out.volume = volume;
#if (!defined ( __GNUC__ ))
/* Enable the Eq */
SpiritEQ_Init((TSpiritEq *)AUDIO_EqInstance, I2S_AUDIOFREQ_48K);
/* Retreive stored settings and set band params */
SpiritEQ_FltGet((TSpiritEq *)AUDIO_EqInstance, &AUDIO_EQ_Bands[0], 0 );
AUDIO_EQ_Bands[0].gainDb = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_EQU1_BKP);
SET_BAND_PRMS(&AUDIO_EQ_Bands[0], SPIRIT_EQ_FLT_TYPE_SHELVING_LOWPASS , 0, 1000, AUDIO_EQ_Bands[0].gainDb);
SpiritEQ_FltGet((TSpiritEq *)AUDIO_EqInstance, &AUDIO_EQ_Bands[1], 1 );
AUDIO_EQ_Bands[1].gainDb = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_EQU2_BKP);
SET_BAND_PRMS(&AUDIO_EQ_Bands[1], SPIRIT_EQ_FLT_TYPE_PEAKING , 2000, 1000, AUDIO_EQ_Bands[1].gainDb);
SpiritEQ_FltGet((TSpiritEq *)AUDIO_EqInstance, &AUDIO_EQ_Bands[2], 2 );
AUDIO_EQ_Bands[2].gainDb = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_EQU3_BKP);
SET_BAND_PRMS(&AUDIO_EQ_Bands[2], SPIRIT_EQ_FLT_TYPE_PEAKING , 5000, 3000, AUDIO_EQ_Bands[2].gainDb);
SpiritEQ_FltGet((TSpiritEq *)AUDIO_EqInstance, &AUDIO_EQ_Bands[3], 3 );
AUDIO_EQ_Bands[3].gainDb = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_EQU4_BKP);;
SET_BAND_PRMS(&AUDIO_EQ_Bands[3], SPIRIT_EQ_FLT_TYPE_PEAKING , 10000, 6000, AUDIO_EQ_Bands[3].gainDb);
SpiritEQ_FltGet((TSpiritEq *)AUDIO_EqInstance, &AUDIO_EQ_Bands[4], 4 );
AUDIO_EQ_Bands[4].gainDb = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_EQU5_BKP);
SET_BAND_PRMS(&AUDIO_EQ_Bands[4], SPIRIT_EQ_FLT_TYPE_SHELVING_HIPASS , 15000, 2000, AUDIO_EQ_Bands[4].gainDb);
for (index = 0; index < SPIRIT_EQ_MAX_BANDS ; index++)
{
tmpEqBand = &AUDIO_EQ_Bands[index];
SpiritEQ_FltSet((TSpiritEq *)AUDIO_EqInstance, tmpEqBand, index);
}
/* Enable Loundness Control */
SpiritLdCtrl_Init((TSpiritLdCtrl*)AUDIO_LdCtrlPersistance, I2S_AUDIOFREQ_48K);
SpiritLdCtrl_GetPrms((TSpiritLdCtrl*)AUDIO_LdCtrlPersistance, &AUDIO_LdCtrlInstanceParams);
ldness_value = k_BkupRestoreParameter(CALIBRATION_AUDIOPLAYER_LOUD_BKP);
AUDIO_LdCtrlInstanceParams.gainQ8 = PERC_TO_LDNS_DB(ldness_value);
SpiritLdCtrl_SetPrms((TSpiritLdCtrl*)AUDIO_LdCtrlPersistance, &AUDIO_LdCtrlInstanceParams);
#endif
/* Register audio BSP drivers callbacks */
AUDIO_IF_RegisterCallbacks(AUDIO_TransferComplete_CallBack,
AUDIO_HalfTransfer_CallBack,
AUDIO_Error_CallBack);
/* Create Audio Queue */
osMessageQDef(AUDIO_Queue, 1, uint16_t);
AudioEvent = osMessageCreate (osMessageQ(AUDIO_Queue), NULL);
/* Create Audio task */
osThreadDef(osAudio_Thread, Audio_Thread, osPriorityRealtime, 0, 256);
AudioThreadId = osThreadCreate (osThread(osAudio_Thread), NULL);
return AUDIOPLAYER_ERROR_NONE;
}
