xianling.c

C51 程序练习

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char

void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}
void init()
{
	delay(1);
}

uchar code table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar code table1[]={0x0,0x3c,0x42,0x42,0x42,0x42,0x3c,0x0};//点阵显示0
void main()
{
	uchar i,j;
	init();
	while(1)
	{	
			for(i=0;i<8;i++)
			{
				P0=table[i];//红
				P1=table1[i+j];//绿
				delay(5);
			}
	}
}