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標題:
51單片機定時器模組
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作者:
111小北
時間:
2022-7-12 20:50
標題:
51單片機定時器模組
利用計時器的原理設計的定時器,含有中斷程序
#include <REGX52.H>
#include "Delay.h"
#include "LCD1602.h"
#include "Timer.h"
#include "key.h"
unsigned int sec=0,min=0,hour=0;
unsigned char key1=0;
void main()
{
LCD_Init();
Timer0_Init();
while(1)
{
LCD_ShowString(1,1,"Clock:");
LCD_ShowString(2,1," : :");
LCD_ShowNum(2,1,hour,2);
LCD_ShowNum(2,4,min,2);
LCD_ShowNum(2,7,sec,2);
key1=key();
if(key1)
{
if(key1==1){sec=0;min=0;hour=0;}
if(key1==2) sec++;
if(key1==3) min++;
if(key1==4) hour++;
}
}
}
void Timer0_Rountine() interrupt 1
{
static unsigned int T0count;
TL0 = 0x18;
TH0 = 0xFC;
T0count++;
if(T0count>=1000)
{
T0count=0;
sec++;
if(sec>=60)
{sec=0;min++;}
if(min>=60)
{min=0;hour++;}
if(hour>=24)
{hour=0;}
}
}
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定時器.zip
2022-7-12 20:49 上傳
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