标题: 单片机显示数字1-8 电路图+源程序 [打印本页]

作者: 半城诀    时间: 2019-11-12 21:13
标题: 单片机显示数字1-8 电路图+源程序
#include <reg51.h>
#include <intrins.h>
unsigned char code dis_code[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0xff};
void delay(unsigned int x)
{
unsigned char i;
while(x--)
{
for(i=0;i<120;i++);
}
}


void main()
{
unsigned char k,m=0x80;
P0 = 0xff;
P2 = 0x00;

while(1)
{
for(k = 0;k < 8;k++)
{
P2 = 0x00;
m=_crol_(m,1);
P2=m;
P0=dis_code[k+1];
delay(2);
}
}
}



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