void main()   
{   
	IRQ_setVecs((Uint32)&VECSTART);
   	IRQ_clearAll();

  	...

	uartInit(9600); 	// initializes uart 
	i2sInit();		// initializes i2s interface
   	 	

   	IRQ_globalEnable();


 	for (;;)
 	{
 	}
}   


void uartInit (Uint32 baud)   
{   
    	CSL_UartIsrAddr isrAddr;
     
	mySetup.clkInput = getSysClk();  
	mySetup.baud = baud;
	UART_init(&uartObj,CSL_UART_INST_0,UART_INTERRUPT);	// create handle       
    	hUart = (CSL_UartHandle)(&uartObj);   
	UART_setup(hUart,&mySetup);				// config uart using setup structur
    
    	isrAddr.rbiAddr  =  uart_rxIsr;
   	IRQ_plug (UART_EVENT, &UART_intrDispatch);		// config interrupt   
    	IRQ_enable(UART_EVENT);   				// enable interrupt
    
    	UART_setCallback(hUart,&isrAddr);   
    	UART_eventEnable(hUart, CSL_UART_RECVOR_REG_DATA_INTERRUPT);
}  


void i2sInit (void)
{
	I2S_Config      hwConfig;
	CSL_IRQ_Config 	config;
  
	/* Set the value for the configure structure */
    	hwConfig.dataType           = I2S_STEREO_ENABLE;
    	hwConfig.loopBackMode       = I2S_LOOPBACK_DISABLE;
    	hwConfig.fsPol              = I2S_FSPOL_LOW;
    	hwConfig.clkPol             = I2S_RISING_EDGE;
    	hwConfig.datadelay          = I2S_DATADELAY_ONEBIT;
    	hwConfig.datapack           = I2S_DATAPACK_ENABLE;
    	hwConfig.signext            = I2S_SIGNEXT_DISABLE;
    	hwConfig.wordLen            = I2S_WORDLEN_32;
    	hwConfig.i2sMode            = I2S_SLAVE;
    	hwConfig.FError             = I2S_FSERROR_ENABLE;
    	hwConfig.OuError            = I2S_OUERROR_ENABLE;
	
	i2sHandle = I2S_open(I2S_INSTANCE2, I2S_INTERRUPT, I2S_CHAN_STEREO);
	I2S_setup(i2sHandle, &hwConfig);
   	I2S_transEnable(i2sHandle, TRUE);
   	
   	config.funcAddr = &i2s_rxIsr;
   	IRQ_plug(RCV2_EVENT , config.funcAddr);
   	IRQ_enable(RCV2_EVENT); 	
}