ex13.c

vxworksS3C44B0开发板有关cedn开发板资料VxWorks实验代码 串口测试实验

/****************************************************************************/
//
//
// Created by Starlight Embeded Studio
//         www.cedn.cn
// If there are any concerns on the code
// go to www.cedn.cn for discussion
//
/****************************************************************************/

#include <stdio.h>
#include "44B.H"

void Delay(int time)
{
  static int DelayLoopCount = 500;
  int i,j=0;
  for(j=0;j<time;j++)
  for(i=0;i<DelayLoopCount;i++);  
}

void PutChar (unsigned short ch,unsigned short data)
{
  if(ch == 0)
  {
    if(data == '\n')
    {
      while(!(rUTRSTAT0 & 0x2));
      
      //改动延时时间1--10
      Delay(10);    //由于超级终端反应较慢，有一个微小延迟
      WrUTXH0('\r');
    }
    while(!(rUTRSTAT0 & 0x2));    //等待知道THR变空
    //改动延时时间1--10
    Delay(10);
    rUTXH0 = data;
  } else  {
    if(data == '\n')
    {
      while(!(rUTRSTAT1 & 0x2));
      //改动延时时间1--10
      Delay(10);    //由于超级终端反应较慢，有一个微小延迟
      rUTXH1 = '\r';
    }
    while(!(rUTRSTAT1 & 0x2));    //等待知道THR变空
    //改动延时时间1--10
    Delay(10);
    rUTXH1 = data;
    } 
}

void OutPut(unsigned short ch,char *pt)
{
    while(*pt)  PutChar(ch,*pt++);
}

void Test13()
{
  int i;
  i=0;
  OutPut(0,"Start Serial Port Test!\n");
  for (i=0;i<20;i++) {    
    OutPut(0,"COM 0, BaudRate 38400, Output str to COM0\n");
    Delay(2000);
    OutPut(1,"COM 1, BaudRate 38400, Output str to COM1\n");
    Delay(2000);   
  }
  OutPut(0,"Finish Serial Port Test!\n");
}