shiyan.c

单片机C语言15个实验附有原理图和程序 是我的课程作业 以经过实践验证

#include <stdio.h>
#include <reg52.h>
#include <intrins.h>
#define hi 0x3c
#define lo 0xb0
unsigned  char code ledk[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6D,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};

sbit led=P3^0;
unsigned char indata;

 void delay(unsigned char n)
  {  
     unsigned char i,j;
    for (i=0;i<n;i++)
      for(j=0;j<n;j++);}
main()
 { indata=P^3;
  if(indata==0) 
    P1=0x03;}