单片机STC89C52实验 DAY 2 数码管

静态数码管显示

#include<reg51.h>
#include<instrins.h>
typedef unsigned char u8;
typedef unsigned int u16;

sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;

u8 code smgduan[]={ 0x3f  , 0x06 , 0x5b , 0x4f , 0x66 , 0x6d,
					0x7d , 0x07 , 0x7f  , 0x6f , 0x77 , 0x7c,
					0x39 , 0x5e , 0x79 , 0x71 , 0x00};

void delay(int i)
{
	while(i--);
}
int main()
{
	int i;
	LSA=0;
	LSB=0;
	LSC=0;
	while(1){
		for(i=0;i<=9;i++){
			P0=smgduan[i];
			delay(50000);
		}
	}
}
	

动态数码管显示

#include<reg51.h>
#include<intrins.h>
typedef unsigned char u8;
typedef unsigned int u16;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;

void delay(int i)
{
	while(i--);
}
//段选
u8 code smgduan[]={ 0x3f  , 0x06 , 0x5b , 0x4f , 0x66 , 0x6d,
					0x7d , 0x07 , 0x7f  , 0x6f , 0x77 , 0x7c,
					0x39 , 0x5e , 0x79 , 0x71 , 0x00};
typedef struct sortled{
	int x,y,z;
}sortled;
sortled led[8]={{0,0,0},{1,0,0},{0,1,0},{1,1,0},{0,0,1},
								{1,0,1},{0,1,1},{1,1,1},};
void DigDisplay()
{
	u8 i;
	for(i=0;i<8;i++)
	{
		LSA=led[i].x;
		LSB=led[i].y;
		LSC=led[i].z;
		P0=smgduan[i];
		delay(100);  //消影
		P0=0x00;     //P0口数字清零
	}
}

int main()
{
	int i;
	while(1){
		for(i=0;i<=9;i++){
			DigDisplay();
		}
	}
}