led.c

基于51单片机的点阵显示设计源代码加仿真

#include<at89x51.h>
sbit sck0=P2^0;
sbit ds0=P2^1;
sbit res0=P2^2;
sbit cs4=P1^0;
sbit cs5=P1^1;

unsigned char code tab[96]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //空格
                        0x00,0x7E,0xFF,0xC3,0xC3,0xFF,0x7E,0x00, //字符0
                        0x00,0x00,0x43,0xFF,0xFF,0x03,0x00,0x00, //字符1
                        0x00,0x63,0xC7,0xCF,0xDB,0xF3,0x63,0x00, //字符2
                        0x00,0x42,0xDB,0xDB,0xDB,0xFF,0x66,0x00, //字符3
                        0x00,0x3E,0x46,0xFF,0xFF,0x06,0x06,0x00, //字符4
                        0x00,0xF6,0xF7,0xD3,0xD3,0xDF,0xDE,0x00, //字符5
                        0x00,0x7E,0xFF,0xDB,0xDB,0xDF,0x4E,0x00, //字符6
                        0x00,0xC0,0xC0,0xC7,0xFF,0xF8,0xC0,0x00, //字符7
                        0x00,0xFF,0xFF,0xDB,0xDB,0xFF,0xFF,0x00, //字符8
                        0x00,0x72,0xFB,0xDB,0xDB,0xFF,0x7E,0x00, //字符9
                        0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00   //空格
                        };

void delay(void)
{
	unsigned int k=0;
	for(k=0;k<300;k++);
}
void write_8bit(unsigned char dat)
{
	unsigned char i=0;
	for(i=0;i<8;i++)
	{
		ds0=dat&0x01;
		sck0=0;
		sck0=1;
		dat>>=1;
	}
	res0=1;
	res0=0;
}
							
void main(void)
{
	 unsigned char n=0,k=0,l=0;
	 do
	 {
		for(k=0;k<88;k++)
		{
			for(l=0;l<10;l++)
			{	
				for(n=0;n<16;n++)
				{
					P0=n;
					write_8bit(~(tab[n+k]));
					delay();
				}
	   		}
		}
	 }while(1);
}