`我是同樣的問題
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit wela=P2^6;
sbit dula=P2^7;
void delayms(uchar,uchar);
void display(uchar,uchar);
uchar unm2,num1;
uchar shi,ge;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,
}
void main()
{
TMOD=0x01;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
EA=1;
ET0=1;
TR0=1;
while(1);
}
void display(uchar,uchar)
{
dula=1;
P0=table[shi];
dula=0;
wela=1;
P0=0xfe;
wela=0;
dula=1;
P0=table[ge];
dula=0;
wela=1;
P0=0xfe;
wela=0;
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void T0_time()interrupt 1
{
TH0=(65536-45872)/256;
TH1=(65536-45872)%256;
num1++;
if(num1==20)
{
num1=0;
num2++;
if(num2==60)
num2=20;
shi=num2/10;
ge=num2%10;
}
} |
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