p3.c

继续发到单片机c语言快速入门项目源码

#include "reg51.h"
#include "stdio.h"
serial_init()	//初始化串行口
{
  SCON  = 0x50;
  TMOD |= 0x20; 
  PCON |= 0x80; 
  TH1 	= 	0xfd;
  TR1   = 	1;
  TI	=	1;
}
void main()
{	int a,b;
	int *Point1,*Point2;
	serial_init();	//初始化串行口
	a=100;
	b=10;
	Point1=&a;		//把变量a的地址赋给Point1
	Point2=&b;		//把变量b的地址赋给Point2
	printf("%d,%d\n",a,b);
	printf("%d,%d\n",*Point1,*Point2);
	for(;;){;}
}