Beispiel #1
0
//This function contains the default I2S setting for EVM.
static HRESULT diceI2sCliSetDefault(void)
{
	// I2S Receivers
	i2sRxSetMckFreq		(I2S_ID0, 0);
	i2sRxSetM192		(I2S_ID0, 0);	
	i2sRxSetClock		(I2S_ID0, TRUE, 0);
	i2sRxSetClockInv	(I2S_ID0, 0, 0);
	i2sRxSetDataFormat	(I2S_ID0, I2S_CH0, 1, 1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID0, I2S_CH1, 1, 1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID0, I2S_CH2, 1, 1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID0, I2S_CH3, 1, 1, 0, 0);
	
	i2sRxSetMckFreq		(I2S_ID1, 0);
	i2sRxSetM192		(I2S_ID1, 0);	
	i2sRxSetClock		(I2S_ID1, TRUE, 0);
	i2sRxSetClockInv	(I2S_ID1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID1, I2S_CH0, 1, 1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID1, I2S_CH1, 1, 1, 0, 0);

	i2sRxSetMckFreq		(I2S_ID2, 0);
	i2sRxSetM192		(I2S_ID2, 0);	
	i2sRxSetClock		(I2S_ID2, TRUE, 0);
	i2sRxSetClockInv	(I2S_ID2, 0, 0);
	i2sRxSetDataFormat	(I2S_ID2, I2S_CH0, 1, 1, 0, 0);
	i2sRxSetDataFormat	(I2S_ID2, I2S_CH1, 1, 1, 0, 0);

	// I2S Transmitters
	i2sTxSetMckFreq		(I2S_ID0, 0);
	i2sTxSetM192		(I2S_ID0, 0);
	i2sTxSetClock		(I2S_ID0, TRUE, 0);
	i2sTxSetClockInv	(I2S_ID0, 0, 0);
	i2sTxSetDataFormat	(I2S_ID0, I2S_CH0, 1, 1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID0, I2S_CH1, 1, 1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID0, I2S_CH2, 1, 1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID0, I2S_CH3, 1, 1, 0, 0);

	i2sTxSetMckFreq		(I2S_ID1, 0);
	i2sTxSetM192		(I2S_ID1, 0);
	i2sTxSetClock		(I2S_ID1, TRUE, 0);
	i2sTxSetClockInv	(I2S_ID1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID1, I2S_CH0, 1, 1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID1, I2S_CH1, 1, 1, 0, 0);

	i2sTxSetMckFreq		(I2S_ID2, 0);
	i2sTxSetM192		(I2S_ID2, 0);
	i2sTxSetClock		(I2S_ID2, TRUE, 0);
	i2sTxSetClockInv	(I2S_ID2, 0, 0);
	i2sTxSetDataFormat	(I2S_ID2, I2S_CH0, 1, 1, 0, 0);
	i2sTxSetDataFormat	(I2S_ID2, I2S_CH1, 1, 1, 0, 0);

	return NO_ERROR;
}
Beispiel #2
0
static void myAppInitializeI2S(void)
{
    // I2S Receivers
    i2sRxSetMckFreq		(I2S_ID0, 0);
    i2sRxSetM192		(I2S_ID0, 0);
    i2sRxSetClock		(I2S_ID0, TRUE, 0);
    i2sRxSetClockInv	(I2S_ID0, 0, 0);
    i2sRxSetDataFormat	(I2S_ID0, I2S_CH0, 1, 1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID0, I2S_CH1, 1, 1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID0, I2S_CH2, 1, 1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID0, I2S_CH3, 1, 1, 0, 0);

    i2sRxSetMckFreq		(I2S_ID1, 0);
    i2sRxSetM192		(I2S_ID1, 0);
    i2sRxSetClock		(I2S_ID1, TRUE, 0);
    i2sRxSetClockInv	(I2S_ID1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID1, I2S_CH0, 1, 1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID1, I2S_CH1, 1, 1, 0, 0);

    i2sRxSetMckFreq		(I2S_ID2, 0);
    i2sRxSetM192		(I2S_ID2, 0);
    i2sRxSetClock		(I2S_ID2, TRUE, 0);
    i2sRxSetClockInv	(I2S_ID2, 0, 0);
    i2sRxSetDataFormat	(I2S_ID2, I2S_CH0, 1, 1, 0, 0);
    i2sRxSetDataFormat	(I2S_ID2, I2S_CH1, 1, 1, 0, 0);

    // I2S Transmitters
    i2sTxSetMckFreq		(I2S_ID0, 0);
    i2sTxSetM192		(I2S_ID0, 0);
    i2sTxSetClock		(I2S_ID0, TRUE, 0);
    i2sTxSetClockInv	(I2S_ID0, 0, 0);
    i2sTxSetDataFormat	(I2S_ID0, I2S_CH0, 1, 1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID0, I2S_CH1, 1, 1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID0, I2S_CH2, 1, 1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID0, I2S_CH3, 1, 1, 0, 0);

    i2sTxSetMckFreq		(I2S_ID1, 0);
    i2sTxSetM192		(I2S_ID1, 0);
    i2sTxSetClock		(I2S_ID1, TRUE, 0);
    i2sTxSetClockInv	(I2S_ID1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID1, I2S_CH0, 1, 1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID1, I2S_CH1, 1, 1, 0, 0);

    i2sTxSetMckFreq		(I2S_ID2, 0);
    i2sTxSetM192		(I2S_ID2, 0);
    i2sTxSetClock		(I2S_ID2, TRUE, 0);
    i2sTxSetClockInv	(I2S_ID2, 0, 0);
    i2sTxSetDataFormat	(I2S_ID2, I2S_CH0, 1, 1, 0, 0);
    i2sTxSetDataFormat	(I2S_ID2, I2S_CH1, 1, 1, 0, 0);
}
Beispiel #3
0
//This function is called at startup (or at mode change). This function will
//initialize the DICE<->Codec interface (I2S in this example) and initialize
//the codec if necessary. With this AKM codec we just initialize it the first
//time it has a good clock in the msgFunc below.
HRESULT akm4620_InitI2S (void)
{
	i2sRxSetMckFreq    (I2S_ID0, FALSE); //normal 256 clock
	i2sTxSetMckFreq    (I2S_ID0, FALSE);

	i2sRxSetM192       (I2S_ID0, FALSE); //default to low/mid mode for now
	i2sTxSetM192       (I2S_ID0, FALSE);

	i2sRxSetClock      (I2S_ID0, TRUE, 0); //256 fs @32k-96k, 128fs @176.4-192k
	i2sTxSetClock      (I2S_ID0, TRUE, 0); 

	i2sRxSetClockInv   (I2S_ID0, TRUE, FALSE); //invert BCLK and LRCLK
	i2sTxSetClockInv   (I2S_ID0, TRUE, FALSE);


	i2sRxSetDataFormat (I2S_ID0, I2S_CH0, TRUE, TRUE, 0, TRUE);
	i2sTxSetDataFormat (I2S_ID0, I2S_CH0, TRUE, TRUE, 0, TRUE);
	i2sRxSetDataFormat (I2S_ID0, I2S_CH1, TRUE, TRUE, 0, TRUE);
	i2sTxSetDataFormat (I2S_ID0, I2S_CH1, TRUE, TRUE, 0, TRUE);

	return NO_ERROR;
}