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--);
}
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);
P0=0x00;
}
}
int main()
{
int i;
while(1){
for(i=0;i<=9;i++){
DigDisplay();
}
}
}