/**
* @brief Pauses the audio file stream.
* @retval AUDIO_OK if correct communication, else wrong communication
*/
uint8_t BSP_AUDIO_IN_Pause(void)
{
/* Call the Media layer pause function */
HAL_SAI_DMAPause(&haudio_in_sai);
/* Return AUDIO_OK when all operations are correctly done */
return AUDIO_OK;
}
/**
* @brief This function Pauses the audio file stream. In case
* of using DMA, the DMA Pause feature is used.
* @note When calling BSP_AUDIO_OUT_Pause() function for pause, only
* BSP_AUDIO_OUT_Resume() function should be called for resume
* (use of BSP_AUDIO_OUT_Play() function for resume could lead
* to unexpected behavior).
* @retval BSP AUDIO status
*/
uint8_t BSP_AUDIO_OUT_Pause(void)
{
/* Call the Audio Codec Pause function */
if (hAudioOut.AudioDrv->Pause(AUDIO_I2C_ADDRESS) != 0)
{
return AUDIO_ERROR;
}
/* Pause DMA transfer of PCM samples towards the serial audio interface */
if (HAL_SAI_DMAPause(&BSP_AUDIO_hSai)!= HAL_OK)
{
return AUDIO_ERROR;
}
return AUDIO_OK;
}
/**
* @brief This function Pauses the audio file stream. In case
* of using DMA, the DMA Pause feature is used.
* @note When calling BSP_AUDIO_OUT_Pause() function for pause, only
* BSP_AUDIO_OUT_Resume() function should be called for resume (use of BSP_AUDIO_OUT_Play()
* function for resume could lead to unexpected behaviour).
* @retval AUDIO_OK if correct communication, else wrong communication
*/
uint8_t BSP_AUDIO_OUT_Pause(void)
{
/* Call the Audio Codec Pause/Resume function */
if(audio_drv->Pause(AUDIO_I2C_ADDRESS) != 0)
{
return AUDIO_ERROR;
}
else
{
/* Call the Media layer pause function */
HAL_SAI_DMAPause(&haudio_out_sai);
/* Return AUDIO_OK when all operations are correctly done */
return AUDIO_OK;
}
}
