/*******************************************************************************
* Function Name: I2S_Wakeup
********************************************************************************
*
* Summary:
* Prepares I2S to wake up.
*
* Parameters:
* None.
*
* Return:
* None.
*
* Global Variables:
* I2S_backup - used when non-retention registers are restored.
*
* Reentrant:
* Yes.
*
*******************************************************************************/
void I2S_Wakeup(void)
{
/* Restore registers values */
I2S_RestoreConfig();
if(0u != I2S_backup.enableState)
{
/* Enable component's operation */
I2S_Enable();
/* Enable Tx/Rx direction if they were enabled before sleep */
#if(I2S_TX_DIRECTION_ENABLE)
if(0u != (I2S_backup.CtrlReg & I2S_TX_EN))
{
I2S_EnableTx();
}
#endif /* (I2S_TX_DIRECTION_ENABLE) */
#if(I2S_RX_DIRECTION_ENABLE)
if(0u != (I2S_backup.CtrlReg & I2S_RX_EN))
{
I2S_EnableRx();
}
#endif /* (I2S_RX_DIRECTION_ENABLE) */
}
}
/*******************************************************************************
* Function Name: AuxDetection_Start
********************************************************************************
* Summary:
* This routine starts the AUX detection process and enable I2S receive.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void AuxDetection_Start(void)
{
isr_Aux_StartEx(Aux_Interrupt);
CyDmaChEnable(I2SRxMDAChan, 1);
I2S_ClearRxFIFO();
I2S_RX_AUX_CONTROL_REG = I2S_RX_AUX_CONTROL_REG & (~FIFO_HALF_EMPTY_MASK);
I2S_EnableRx();
}
