Subversion Repositories uart_plb

/*

 * helloworld.c: simple uart test application

 */

#include <stdio.h>

#include "platform.h"

#include "xparameters.h"

int main()

{

    unsigned int data;

    init_platform();

    print("Hello World\n\r");

    data = 0x000019;  // baudrate 115200Hz @ 50MHz clock

    *((volatile int *)(XPAR_UART_PLB_0_BASEADDR + 0x10)) = data;

    data = 3; // reset RX FIFO & TX FIFO

    *((volatile int *)(XPAR_UART_PLB_0_BASEADDR + 0x08)) = data;

    data = 0; // enable RX FIFO & TX FIFO

    *((volatile int *)(XPAR_UART_PLB_0_BASEADDR + 0x08)) = data;

    while(1) {

        data = *((volatile int *)(XPAR_UART_PLB_0_BASEADDR + 0x0C));

        if (data & 0x3000000)

        {

            data = *((volatile int *)(XPAR_UART_PLB_0_BASEADDR));

            *((volatile int *)(XPAR_UARTLITE_1_BASEADDR + 0x04)) = data;

        }

    }

    cleanup_platform();

    return 0;

}