unsigned char *value;

void Init_UART(void)
{
	volatile int temp;
	int picr2 = 0x0;

	/* maps the UART0 receive interrupt to P14 using the programmable interrupt controller */

	picr2 = *pPICR2;		/* get PICR2 */
	picr2 &= (~(0x1f<<10));	/* clear P14 bits */
	picr2 |= (0x13<<10);	/* set UART0RX */
	(*pPICR2) = picr2;		/* put it back */

	sysreg_bit_set(sysreg_IMASK, P14I ); /* unmask UART RX interrupt */

/*	(*pUART0IER) = UARTRBFIE;*/		/* enable UART RX interrupt */

	SRU2(UART0_TX_O,DPI_PB09_I);	/* UART TX signal is connected to DPI pin 9 */
	SRU2(HIGH,DPI_PBEN09_I);
	SRU2(DPI_PB10_O,UART0_RX_I);	/* connect the pin buffer output signal to the UART0 RX */
	SRU2(LOW,DPI_PB10_I);
	SRU2(LOW,DPI_PBEN10_I);			/* disable DPI pin10 as input */

	(*pUART0LCR) = UARTDLAB;		/* enables access to divisor register to set baud rate */
#ifdef __ADSP21469__
	(*pUART0DLL) = 0xdc;
	(*pUART0DLH) = 0x2;				/* 0x2dc = 732 for divisor value gives a baud rate of 19200 at 450 Mhz core clock */
#elif (__ADSP21479__)
	(*pUART0DLL) = 0xb0;
	(*pUART0DLH) = 0x1;				/* 0x1B0 = 432 for divisor value gives a baud rate of 19200 at 266 Mhz core clock */
#elif (__ADSP21489__)
	(*pUART0DLL) = 0x8b;
	(*pUART0DLH) = 0x2;				/* 0x28b = 651 for divisor value gives a baud rate of 19200 at 400 Mhz core clock */
#endif
	(*pUART0LCR) = (UARTWLS8 | UARTPEN | UARTSTB);   /* 8 bit word, odd parity, 2 stop bits */

	(*pUART0RXCTL) = UARTEN;        /* enable UART0 RX */
	(*pUART0TXCTL) = UARTEN;        /* enable UART0 TX */
}


/*******************************************************************
*   Function:    PutChar
*   Description: Writes a character to the UART.
*******************************************************************/

int PutChar(const char cVal)
{
	int nStatus = 0;
	unsigned int count = 0;

	do
	{
		if( (*pUART0LSR & UARTTHRE) )
		{
			*pUART0THR = cVal;
			nStatus = 1;
			break;
		}

		count++;

	} while( count < 0x100000 );

	return nStatus;
}


/*******************************************************************
*   Function:    GetChar
*   Description: Reads a character from the UART.
*******************************************************************/

int GetChar(char *const cVal)
{
	int nStatus = 0;
	unsigned int count = 0x0;

	do{
		if( UARTDR == (*pUART0LSR & UARTDR))
		{
			*cVal = (char)*pUART0RBR;
			nStatus = 1;
			break;
		}

		count++;

	}while( count < 0x100000 );

	return nStatus;
}


void main(void)
{
	adi_initComponents();
	  Init_UART();
	  while(1)
	  {
		 // Test_UART();
		 GetChar(&value);
		  PutChar(value);
	  }
}