main.c

at89c51仿真的文件

#include <reg52.h>

#define uint  unsigned int
#define uchar unsigned char

uchar a[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x67};

sbit CLK  = P0^0;
sbit DATA = P0^1;

void delay(uint t)
{
	uchar i;
	while(t-->0)
		for(i=125;i>0;i--);
}

void Send_Data(uchar dt)
{
	uchar i;
	for(i=8;i>0;i--)
	{
		if((dt&0x80) == 0) DATA = 0;
		else DATA = 1;
		CLK = 0;
		CLK = 1;
		dt <<= 1;
	}
}

void main()
{
	uchar i=0;
	while(1)
	{
		Send_Data(a[i++%8]);
		delay(500);	
	};
}