来指导上。小弟我用C语言写了两天的日历时钟，有闹钟功能、计时功能
高手进来指导下。我用C语言写了两天的日历时钟，有闹钟功能、计时功能。
- C/C++ code
#include<reg52.h>
#include<stdlib.h>
#define UCHAR unsigned char
#define UINT unsigned int
void init();
void delay(UINT);
void displayWeek(UCHAR week);
void displayTime(UCHAR first, UCHAR second);
void writeCmd(UCHAR cmd);
void writeData(UCHAR dat);
UCHAR keyscan();
void keyUpDown(UCHAR *value, bit up, bit down);
bit processDayMon(UCHAR *day, UCHAR *month);
void display(UCHAR *seconds, UCHAR *minute, UCHAR *hour, UCHAR *day, UCHAR *week, UCHAR *month, bit displayOn);
UCHAR getWeek(UCHAR day, UCHAR month, UINT year);
void timeUpdate(UCHAR *value, UCHAR *nextValue, UCHAR largest, UCHAR smallest);
void displayCounter(UCHAR *minute, UCHAR *seconds, UCHAR *tenMs);
void recoverClock();
void update();
sbit rs = P1^1; //rs 数据/命令选择端
sbit lcden = P1^2;
sbit beep = P1^0;
UCHAR seconds,minute,hour, week, day, month;
UCHAR alarmMinute, alarmHour;
UCHAR countMinute, countSeconds, countTenMs;
UCHAR keyValue, key1Times, key2Times, key3Times, key5Times, key6Times, key7Times, key9Times;
UINT year;
UINT cnt0, cnt1;
bit leapYear, alarmOn;
bit flagTimer0, flagTimer1;
bit timeUp, timeDown;
UCHAR code weekTable[][3] = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
UCHAR code monthTable[][12] =
{
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
};
void main()
{
init();
while(1)
{
update();
}
}
void update()
{
keyValue = keyscan();
switch(keyValue)
{
case 1:while(keyscan() == 1); //等待按键松开
if(++key1Times == 2) //第二次按下恢复时钟界面
{
key1Times = 0;
recoverClock();
break;
}
writeCmd(0x01); //第一次按下清屏
displayCounter(&countMinute, &countSeconds, &countTenMs);//初始化计时界面
break;
case 2:while(keyscan() == 2);if(++key2Times == 7)key2Times = 0;break;
case 3:while(keyscan() == 3);
if(++key3Times == 3)
{
key3Times = 0;
beep = 1; //关闭闹钟
writeCmd(0x80 + 0x4e); //第二次按下清除 "On"标记
writeData(' ');
writeData(' ');
}
break;
case 5:while(keyscan() == 5);timeUp = 1;break;
case 6:while(keyscan() == 6);timeDown = 1;break;
case 7:while(keyscan() == 7);if(++key7Times == 3)key7Times = 0;break;
case 9:while(keyscan() == 9);if(++key9Times == 3)key9Times = 1;break;
}
keyValue = 0;
if(flagTimer0) /*每增加一秒时刷新时间变量 */
{
flagTimer0 = 0;
seconds++;
if(key3Times != 1 && key1Times != 1) //在时钟状态下才刷新时间变量及其屏幕显示
display(&seconds, &minute, &hour, &day, &week, &month, 1);
else //仅刷新时间变量,不刷新显示
display(&seconds, &minute, &hour, &day, &week, &month, 0);
}
/*当调整时间时，根据按下key2键的次数
*将光标移到相应的位置进行闪烁
*/
if(key2Times && key3Times != 1 && key1Times != 1) //在时钟状态下按下key2
{
writeCmd(0x0f); //显示光标
switch(key2Times) //根据按下key2Times的次数把光标移到相应的位置进行闪烁
{
case 1:writeCmd(0x80 + 0x4a); //光标移到秒处进行闪烁
keyUpDown(&seconds, timeUp, timeDown);
break;
case 2:writeCmd(0x80 + 0x47);//分
keyUpDown(&minute, timeUp, timeDown);
break;
case 3:writeCmd(0x80 + 0x44); //时
keyUpDown(&hour ,timeUp, timeDown);
break;
case 4:writeCmd(0x80 + 0x0a); //日
keyUpDown(&day, timeUp, timeDown);
break;
case 5:writeCmd(0x80 + 0x07); //月
keyUpDown(&month, timeUp, timeDown);
break;
case 6:writeCmd(0x80 + 0x04); //年
if(timeUp == 1) //加一
year++;
else if(timeDown == 1) //减一
year--;
break;
case 7:writeCmd(0x0c);key2Times = 0;break; //正常显示时钟
}
if(timeUp || timeDown) //如果有按下调整时间的键盘则刷新时间
{
display(&seconds, &minute, &hour, &day, &week, &month, 1);
timeUp = timeDown = 0; //刷新完时间后让调整时间的变量标记归0
}
}
if(key3Times == 1) //第一次按下设置闹钟时间
{
writeCmd(0x0c);
writeCmd(0x80 + 0x4d);
writeData('S'); //显示"Set",进入设置闹钟界面
writeData('e');
writeData('t');
writeCmd(0x0f);
switch(key7Times)
{
case 1:writeCmd(0x80 + 0x47);//进入设置分的状态
keyUpDown(&alarmMinute, timeUp, timeDown);
break;
case 2:writeCmd(0x80 + 0x44); //时
keyUpDown(&alarmHour ,timeUp, timeDown);
break;
}
if(timeUp || timeDown)
{
timeUpdate(&alarmMinute, &alarmHour, 59, 0);
if(alarmHour == 24)
alarmHour = 0;
writeCmd(0x80 + 0x47);
displayTime(alarmMinute / 10, alarmMinute % 10);
writeCmd(0x80 + 0x44);
displayTime(alarmHour / 10, alarmHour % 10);
timeUp = timeDown = 0;
}
}
else if(key3Times == 2) //设置好闹钟返回时钟界面并开启闹钟
{
writeCmd(0x0c);
writeCmd(0x80 + 0x4d);
writeData(' ');
writeData('O'); //显示"On",提示闹钟已开启
writeData('n');
if(alarmMinute == minute && alarmHour == hour)
{
alarmOn = 1; //闹钟时间到了
}
if(alarmOn == 1)
{
beep = ~beep;
delay(rand() % 100);
//超时三分钟自动关闭闹钟
if(hour == alarmHour && minute - alarmMinute > 2)
{
alarmOn = 0;
}
else if(hour > alarmHour && minute + 60 - alarmMinute > 2)
{
alarmOn = 0;
}
}
}
if(key1Times) //计时器界面
{ //displayCounter(&countMinute, &countSeconds, &countTenMs);
if(key9Times == 1)
{
TR1 = 1;
if(flagTimer1)
{
countTenMs++;
displayCounter(&countMinute, &countSeconds, &countTenMs);
flagTimer1 = 0;
}
}
else if(key9Times == 2)
{
TR1 = 0;
}
}
}
void writeCmd(UCHAR cmd)
{
rs = 0; //命令选择端
P0 = cmd;
lcden = 1;
delay(1);
lcden = 0;
}
void writeData(UCHAR dat)
{
rs = 1; //数据选择端
P0 = dat;
lcden = 1;
delay(1); //延时让数据写到液晶上去
lcden = 0;
}
void init()
{
alarmOn = 0;
alarmHour = 12;
alarmMinute = 1;
countMinute = countSeconds = countTenMs = 0;
TMOD = 0X11;
EA = 1;
ET0 = 1;
ET1 = 1;
TR0 = 1;
writeCmd(0x38); //设置显示模式
writeCmd(0x0c); //设置显示开关及光标
/*下面初始化时间变量
*2010-05-26 Wed
12:00:00
*/
year = 2010;
month = 5;
day = 26;
week = 3; //星期三
hour = 12;
minute = 0;
seconds = 0;
leapYear = (year % 4 == 0 && year % 100 != 0 || year % 400 == 0);
/*初始化时液晶显示 */
writeCmd(0x80 + 0x02);
displayTime(year / 1000, year / 100 % 10);
displayTime(year % 100 / 10, year % 10);
writeData('-');
displayTime(month / 10, month % 10);
writeData('-');
displayTime(day / 10, day % 10);
writeData(' '); //光标向前移动一 位
displayWeek(week);
writeCmd(0x80 + 0x44);
displayTime(hour / 10, hour % 10);
writeData(':');
displayTime(minute / 10, minute % 10);
writeData(':');
displayTime(seconds / 10, seconds % 10);
}
void timer0() interrupt 1
{
TH0 = (65536 - 46080) / 256; //定时时间为50ms
TL0 = (65536 - 46080) % 256;
if(++cnt0 == 20)
{
cnt0 = 0;
flagTimer0 = 1;
}
}
void timer1() interrupt 3
{
TH0 = (65536 - 9216) / 256; //定时时间为 10ms;
TL0 = (65536 - 9216) % 256;
if(++cnt1 == 1)
{
cnt1 = 0;
flagTimer1 = 1;
}
}
void delay(UINT ms)
{
UINT x, y;
for(x = ms; x; x--)
for(y = 197; y; y--)
;
}