main.bak

一个中断驱动的具有缓冲区的串口源码(C)

#include "includes.h"

void main(void)
{
  INT8U c;
  INT8U err;

  CommInit();

  CommCfgPort(COMM2,9600,8,COMM_PARITY_EVEN,1);
  CommSetIntVect(COMM2);
  CommRxIntEn(COMM2);

  while(1)
  {
    if(!CommIsEmpty(COMM2))
    {
      c=CommGetChar(COMM2,&err);
      if(err==COMM_NO_ERR)
      {
	/*Process received data */
	CommPutChar(COMM1,'A');   /*Send response */
      }
      else
      {
	/* Process communication error */
	exit(1);
      }
    }
  }

}