51單片機(jī)電子時(shí)鐘鐘擺

ID:66060 發(fā)表于 2016-4-24 09:34 | 顯示全部樓層 |閱讀模式

#include <STC15F2K60S2.H>
//包含頭文件，一般情況不需要改動(dòng)，頭文件包含特殊功能寄存器的定義
#include<stdio.h>

#include "Init_Time0.h"
#include "SMG_Display.h"
#include "KeyScan.h"

#define BEEP_ON  0
#define BEEP_OFF 1
sbit Beep          = P3^5;//蜂鳴器輸出

#define LED_ON  1
#define LED_OFF 0
#define RELAY_OPEN  0
#define RELAY_CLOSE 1

bit  BeepState  = 0;
unsigned char Second;
unsigned char Minute;
unsigned char Hour;

/*------------------------------------------------
                  主函數(shù)
------------------------------------------------*/
void main (void)
{
unsigned char i;

Init_Timer0();

Hour = 12;          //初始化時(shí)鐘為 12-00-00
Minute = 00;
Second = 0;
Beep = BEEP_OFF;
i = 1;
while (1)          //主循環(huán)
{
KeyScan();       //鍵盤掃描
if(Minute ==30) //半點(diǎn)蜂鳴器短響一聲
{
   if(BeepState==0)
BeepShort();
}
else if(Minute==0)//整點(diǎn)蜂鳴器長響一聲
{
if(BeepState==1)
BeepLong();
}

}

}

單片機(jī), 電子

電路圖 1