51單片機電子鐘設計，功能如下
1.具有時間校準功能；
2.具有鬧鐘功能；
3.可以顯示時、分、秒；
鬧鐘設置界面
電子時鐘系統(tǒng).zip
(92.97 KB, 下載次數(shù): 86)
2020-6-16 09:30 上傳
點擊文件名下載附件
程序如下：
#include "Key.h"
#include "led.h"
uchar timeSetBuff[8]={'0','0',LED_MODE_COUNT,'0','0',LED_MODE_COUNT,'0','0'};//時鐘數(shù)據(jù)緩沖區(qū)
uchar alarmSetBuff[8]={'0','0',LED_MODE_ALARM,'0','0',LED_MODE_ALARM,'0','0'};//鬧鐘時間數(shù)據(jù)緩沖區(qū)
uchar timeDisMod=0x24; //00100100
uchar secondTemp,minuteTemp,hourTemp;
uchar secondAlarm,minuteAlarm,hourAlarm;
uchar timer0Temp;
uchar alarmKeyCount; //鬧鐘起停鍵計數(shù)
bit alarm_is_ok; //鬧鐘起停狀態(tài)
bit time_is_ok; //時間是否到
bit interface_mod; // 顯示界面模式，0為主時間界面，1為設置界面
/********************************************************************************************
* 函數(shù)名稱：定時器0
* 功 能：定時器0初始化
* 入口參數(shù)：無
* 出口參數(shù)：無
*********************************************************************************************/
void initTimer0(void) //定時10ms
{
TMOD |= 0x01; //GATE=0,TR=1運行;C/T=1,counter,0,timer;01十六進制
TH0 = 0xdc;
TL0 = 0x00;
TR0 = 1; //timer0 控制位，為1時啟動timer0
ET0 = 1; //timer0 中斷使能
}
/********************************************************************************************
* 函數(shù)名稱：時鐘比較
* 功 能：比較時鐘和鬧鐘的時間緩沖區(qū)，只比較時和分
* 入口參數(shù)：無
* 出口參數(shù)：無
*********************************************************************************************/
void timeCompare(void)
{
if((minuteTemp == minuteAlarm) && (hourTemp == hourAlarm))
{
time_is_ok = 1;
alarm_is_ok = 0;
interface_mod = 1;
}
}
/********************************************************************************************
* 函數(shù)名稱：主函數(shù)
* 功 能：調(diào)用并執(zhí)行各個子函數(shù)
* 入口參數(shù)：無
* 出口參數(shù)：無
*********************************************************************************************/
void main()
{
uchar keyRead;
init_led();
init_key();
initTimer0();
timer0Temp = 0x00;
secondTemp = 0x00;
minuteTemp = 0x00;
hourTemp = 0x00;
secondAlarm = 0x00;
minuteAlarm = 0x00;
hourAlarm = 0x00;
alarmKeyCount = 0x02;
alarm_is_ok = 0; //默認狀態(tài)停止
time_is_ok = 0; //默認時間未到
interface_mod = 0;
sei();
while(1)
{
if(interface_mod == 1)
ledSweepDisplay(alarmSetBuff,timeDisMod);
else
ledSweepDisplay(timeSetBuff,timeDisMod);
if(alarm_is_ok == 1)
timeCompare();
keyRead = get_key_value();
if(keyRead == KEY_ALARM)
{
if(alarm_is_ok == 1 || time_is_ok == 1)
{
alarm_is_ok = 0;
time_is_ok = 0;
interface_mod = 0;
alarmKeyCount = 0x00;
}
else
{
if(alarmKeyCount < 0x02)
alarmKeyCount++;
else
alarmKeyCount = 0x00;
if(alarmKeyCount == 0x01)
interface_mod = 1;
if(alarmKeyCount == 0x02)
{
alarm_is_ok = 1;
interface_mod = 0;
}
}
}
if(keyRead == KEY_SECOND)
{ if(interface_mod == 1)
{
if(secondAlarm < 59)
secondAlarm++;
else
secondAlarm = 0x00;
alarmSetBuff[S_L] = secondAlarm % 10 + '0';
alarmSetBuff[S_H] = secondAlarm / 10 + '0';
}
else
{
if(secondTemp < 59)
secondTemp += 1;
else
secondTemp = 0x00;
timeSetBuff[S_L] = secondTemp % 10 + '0';
timeSetBuff[S_H] = secondTemp / 10 + '0';
}
}
if(keyRead == KEY_MINUTE)
{ if(interface_mod == 1)
{
if(minuteAlarm < 59)
minuteAlarm++;
else
minuteAlarm=0x00;
alarmSetBuff[M_L]=minuteAlarm%10+'0';
alarmSetBuff[M_H]=minuteAlarm/10+'0';
}
else
{
if(minuteTemp < 59)
minuteTemp += 1;
else
minuteTemp = 0x00;
timeSetBuff[M_L] = minuteTemp % 10 + '0';
timeSetBuff[M_H] = minuteTemp / 10 + '0';
}
}
if(keyRead == KEY_HOUR)
{
if(interface_mod == 1)
{
if(hourAlarm < 23)
hourAlarm++;
else
hourAlarm = 0x00;
alarmSetBuff[H_L] = hourAlarm % 10 + '0';
alarmSetBuff[H_H] = hourAlarm / 10 + '0';
}
else
{
if(hourTemp < 23)
hourTemp += 1;
else
hourTemp = 0x00;
timeSetBuff[H_L] = hourTemp%10+'0';
timeSetBuff[H_H] = hourTemp/10+'0';
}
}
}
}
/*， */
/********************************************************************************************
* 函數(shù)名稱：定時器0中斷函數(shù)
* 功 能：定時器0溢出中斷入口處,定時10ms
* 入口參數(shù)：無
* 出口參數(shù)：無
*********************************************************************************************/
void timer0_overflow(void) interrupt 1
{
TH0 = 0xdc;
TL0 = 0x00;
if(time_is_ok == 1) //報警
WARN_TRUMPET = ~WARN_TRUMPET;
if(timer0Temp < 99) //判斷1s是否到
timer0Temp++;
else //進中斷100次
{
timer0Temp = 0x00;
if(secondTemp < 59) //判斷1min是否到
{
secondTemp++;
}
else
{
secondTemp = 0x00;
if(minuteTemp < 59) //判斷1hour是否到
minuteTemp++;
else
{
minuteTemp = 0x00;
if(hourTemp < 23)
hourTemp++;
else
hourTemp = 0x00;
}
}
}
timeSetBuff[S_L] = secondTemp%10+'0';
timeSetBuff[S_H] = secondTemp/10+'0';
timeSetBuff[M_L] = minuteTemp%10+'0';
timeSetBuff[M_H] = minuteTemp/10+'0';
timeSetBuff[H_L] = hourTemp%10+'0';
timeSetBuff[H_H] = hourTemp/10+'0';
sei();
}
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