main.c

东南大学开发ARM7芯片UART模块测试代码

#include <stdio.h>
#include "ub4020evb.h"
#include "sep4020.h"
#include "uart.h"
#include "intc.h"
extern void Prints(char *,U32);

int main(void)
{
  ModuleUart(0);    //通过此处选择要测试的串口号：0：uart0; 1：uart1； 2：uart2;  3：uart3。
  
  while(1);
}

 
ModuleUart(U8 uart_choise)
{
   U32 uart_addr;
  char uart_intnum;


  switch (uart_choise)
  
  {
    case 0:
      uart_addr = 0x10005000;
      uart_intnum = 24;
      break;
    case 1:
      uart_addr = 0x10006000;
      uart_intnum = 23;
      break;
    case 2:
      uart_addr = 0x10007000;
      uart_intnum = 22;
      break;
    case 3:
      uart_addr = 0x10008000;
      uart_intnum = 21;
      break;
    default:
      uart_addr = 0x10005000;
      uart_intnum = 24;
      break;

  }


  TestUart(uart_addr, uart_intnum); 
  Prints("Prochip",uart_addr);  //通过中断方式接受数据，然后通过发送FIFO将其打印出来
}