本帖最后由 elk1 于 2020-6-18 21:41 编辑
#include <REGX52.H>
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 shi=12,fen=59,miao=14;s=0;
u8 DisplayData[8];
u8 code smgduan[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
void delay(u16 i)
{
while(i--);
}
void datapros()
{
DisplayData[0] = smgduan[shi/10];
DisplayData[1] = smgduan[shi%10];
DisplayData[2] = 0x40;
DisplayData[3] = smgduan[fen/10];
DisplayData[4] = smgduan[fen%10];
DisplayData[5] = 0x40;
DisplayData[6] = smgduan[miao/10];
DisplayData[7] = smgduan[miao%10];
}
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=DisplayData[7-i];
delay(100);
P0=0x00;
}
}
void main()
{
while(1)
{
datapros();
DigDisplay();
if(s<60)
{
s++;
delay(1000);
if(s>=60)
{
miao++;
s=0;
delay(1000);
if(miao>=60)
{
fen++;
miao=0;
delay(1000);
if(fen>=60)
{
fen=0;
shi++;
delay(1000);
if(shi>=12)
{
shi=1;
}
}
}
}
}
}
} |