#define I2C_SLAVE_OWN_ADDR        0x0055
#define I2C_NUMBYTES          1

void main(void){

    InitSysCtrl();

    InitI2CGpio();

    I2CASlave_init();
    DELAY_US(1000000);

 for(;;)
 {
    I2CA_ReceiveData();
 }
 }

void I2CASlave_init(void)
{
    I2caRegs.I2COAR = I2C_SLAVE_OWN_ADDR;       // Slave address 

    I2caRegs.I2CPSC.all = 6;        // Prescaler - need 7-12 Mhz on module clk
    I2caRegs.I2CCLKL = 10;          // NOTE: must be non zero
    I2caRegs.I2CCLKH = 5;           // NOTE: must be non zero

    I2caRegs.I2CIER.all = 0x00;     // sorry don't enable anything
    I2caRegs.I2CMDR.bit.MST = 0; // Enter the slave mode // if MST = 0 and FDF = 0 TRX is a don't care.Dependging upon command from the master module responds as a Rx or Tx.
    //I2caRegs.I2CMDR.bit.TRX = 0;  //receive mode --> commented because its in a don't care condition refer Table 7 from I2C document for TMS320F28035
    I2caRegs.I2CMDR.bit.FREE = 0 ;       // Runs in free mode setting it to zero will stop when data is received.l
    I2caRegs.I2CMDR.bit.IRS = 1;   // enable the IRS

}

void I2CA_ReceiveData(void)
{
    Uint16 i = 0;
    //while(!I2caRegs.I2CSTR.bit.RRDY ) ;

    I2caRegs.I2COAR = I2C_SLAVE_OWN_ADDR;       // Slave address 

    while(I2caRegs.I2CSTR.bit.AAS != 1){};  //***** This is where I am trying to check if my slave could actually Recognize itself.


       // i++;

        Receive_Data[0] = I2caRegs.I2CDRR ;
        GREENLED_ON;
        I2caRegs.I2CMDR.bit.MST = 0;
        I2caRegs.I2CMDR.bit.FREE = 0 ;

    	REDLED_OFF;

    return;
}