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;
}