山景BP1048 I2S1使用GPIOA0做mclk in

初始化

void AudioI2sOutParamsSet(void)
{
	I2SParamCt i2s_set;
	i2s_set.IsMasterMode=CFG_RES_I2S_MODE;// 0:master 1:slave
	i2s_set.SampleRate=mainAppCt.SampleRate;
	i2s_set.I2sFormat=I2S_FORMAT_I2S;
	i2s_set.I2sBits=I2S_LENGTH_16BITS;
	i2s_set.I2sTxRxEnable=1;
#if (CFG_RES_I2S_PORT == 0)
	i2s_set.TxPeripheralID=PERIPHERAL_ID_I2S0_TX;
#else
	i2s_set.TxPeripheralID=PERIPHERAL_ID_I2S1_TX;
#endif
	i2s_set.TxBuf=(void*)mainAppCt.I2SFIFO;
	i2s_set.TxLen=mainAppCt.SamplesPreFrame * 2 * 2 * 2;
#if (CFG_RES_I2S_IO_PORT==0)
//i2s0  group_gpio0
	GPIO_PortAModeSet(GPIOA0, 9);// mclk out
	GPIO_PortAModeSet(GPIOA1, 6);// lrclk
	GPIO_PortAModeSet(GPIOA2, 5);// bclk
	GPIO_PortAModeSet(GPIOA3, 7);// dout
	GPIO_PortAModeSet(GPIOA4, 1);// din
//i2s0  group_gpio0
#else //lif (CFG_RES_I2S_IO_PORT==1)
//i2s1  group_gpio1 
	GPIO_PortAModeSet(GPIOA0, 3);//mclk in
	//GPIO_PortAModeSet(GPIOA7, 3);//mclk in
	GPIO_PortAModeSet(GPIOA8, 1);//lrclk
	GPIO_PortAModeSet(GPIOA9, 2);//bclk
	GP