51单片机在郭天翔开发板上实现1到60计数程序 -

标题: 51单片机在郭天翔开发板上实现1到60计数程序 [打印本页]

作者: amsama 时间: 2018-12-5 18:52
标题: 51单片机在郭天翔开发板上实现1到60计数程序
#include <reg52.h>

#define uchar unsigned char
#define uint unsigned int
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=0x11;
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;
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=(65535-45872)/256;
TL0=(65535-45872)%256;
num1++;
if(num1==4)
{
   num1=0;
   led1=~led1;
}
}
void T1_time() interrupt 3
{
TH1=(65535-45872)/256;
TL1=(65535-45872)%256;
num2++;
if(num2==20)
{
   num2=0;
   num++;
   if(num==60)
   num=0;
   shi=num/10;
   ge=num%10;
}
}

interrrupt.rar

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作者: amsama 时间: 2018-12-5 18:53
简单的定时器中断给 DJTU18级电子学社新生学习使用作者 DJTU 18级 LQF

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