series_164_2.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

//series_164_1.c
#include <stdio.h>
#include <reg51.h>
unsigned char leda[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
void delay(unsigned int n)
{unsigned int i;
 for(i=0;i<n;i++)
  	 ;}
unsigned char change_bit(unsigned char yy)
{unsigned char zz;
 zz=((yy&0x80)>>7)|((yy&0x40)>>5)|((yy&0x20)>>3)|((yy&0x10)>>1)|
    ((yy&0x08)<<1)|((yy&0x04)<<3)|((yy&0x02)<<5)|((yy&0x01)<<7);
 return zz;}
void main(void)
{unsigned char i,xx;
  SCON=0x00;
  while(1){
  for(i=0;i<10;i++)
   {xx=change_bit(leda[i]);
           SBUF=xx;
           while(!TI);TI=0;
           delay(50000);}}}