test.c

由单片机搞的软时钟

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int


sbit P0_7=P0^7;
void delay(uint x);
void main(void)
{
	uchar code tab1[6]={0xc0,0xf9,0xa4,0xb0,0x99,0x92};
	
	uchar i,j;
	uint turn;

	for(turn=20;turn>0;turn--)
	{
		
		P2=0x01;
		for(j=0;j<6;j++)
		{
				P0=0x00;
			delay(800);
			P2<<=1;
			}
	}
	while(1)
	{
		P2=0x01;
		for(i=0;i<6;i++)
		{
				P0=tab1[i];
			delay(800);
			P2<<=1;
			}
		  }
		}


		void delay(uint dx)
		{
			while(dx>1)
			{
				dx--;
			}
		 }