serial.c

学习51串口的经典例程

#define uchar unsigned char
#include <string.h>
#include <reg51.h>

void SendData(uchar Dat)
{
  uchar i=0;
  SBUF=Dat;
  while (1)
   { if(TI)
     {
       TI=0;
	   break;
	  }

	}
}

void mDelay(unsigned int DelayTime)
{
   unsigned char j=0;
   for(;DelayTime>0;DelayTime--)
    {
      for(j=0;j<=125;j++)
	  {;}
     }
 }

uchar Key( )
{
  uchar KValue;