#include<reg51.h>
typedef unsigned int u16;
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 code smgduan[8]={0x5b,0x3f,0x5b,0x06,0x3f,0x7d,0x5b,0x7f}; //顯示日期 20210628改變段碼即可改變顯示數字//
void delay(u16 i)
{
while(i--);
}
void DigDisplay()
{
u8 i;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):LSA=0;LSB=0;LSC=0;break;
case(1):LSA=1;LSB=0;LSC=0;break;
case(2):LSA=0;LSB=1;LSC=0;break;
case(3):LSA=1;LSB=1;LSC=0;break;
case(4):LSA=0;LSB=0;LSC=1;break;
case(5):LSA=1;LSB=0;LSC=1;break;
case(6):LSA=0;LSB=1;LSC=1;break;
case(7):LSA=1;LSB=1;LSC=1;break;
}
P0=smgduan[i];
delay(100);
P0=0x00;
}
}
void main()
{
while(1)
{
DigDisplay();
}
}
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