計時為一分鐘的單片機秒表程序

ID:252434 · 發表于 2017-11-22 20:55

計時為一分鐘的秒表
#include<reg51.h>
unsigned char msec,sec;
void delay(unsigned char i)
{
unsigned int j,k;
for(k=0;k<i;k++)
for(j=0;j<255;j++);
}
void To_INT(void) interrupt 1
{
TH0=0x3c;
TL0=0xb0;
msec++;
if(msec==20)
{
msec=0;
sec++;
if(sec==60)
{
sec=0;
}
}
}
void main()
{
unsigned char led[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
TMOD=0x01;
TH0=0x3C;
TL0=0xb0;
EA=1;
ET0=1;
TR0=1;
while(1)
{
P2=0x01;
P1=led[sec%10];
delay(10);
P2=0x02;
P1=led[sec/10];
delay(10);
}}

ID:1 · 發表于 2017-11-23 02:27

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar temp,aa,num;
sbit dula=P2^6;
sbit wela=P2^7;
sbit led1=P1^0;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint );
void display(uchar,uchar);
uchar num,num1,num2,shi,ge;
void main()
{
TMOD=0x01;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
EA=1;
ET0=1;
ET1=1;
TR0=1;
TR1=1;
while(1)
{
display(shi,ge);
}
}
void display(uchar shi,uchar ge)
{
dula=1;
P0=table[shi];
dula=0;
P0=0xff;
wela=1;
P0=0Xfe;
wela=0;
delayms(5);
dula=1;
P0=table[ge];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(5);
}
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;
TL0=(65536-45872)%256;
num1++;
if(num1==20)
{
num1=0;
led1=~led1;
}
}
void T1_time() interrupt 3
{
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
num2++;
if(num2==160)
{
num2=0;
num++;
if(num==60)
num=0;
shi=num/10;
ge=num%10;
}
}

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計時為一分鐘的單片機秒表程序