仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）
*键时钟和闹钟光标
#键用于控制闹钟和时钟切换
A/B/C/D键预留，暂时控制LED2灯
数字键用于设置闹钟和时钟时间
单片机源程序如下:
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
unsigned char ReturnKeyValue=0;
unsigned char KeyN=0;
#define WE8 0xfe
#define WE7 0xfd
#define WE6 0xfb
#define WE5 0xf7
#define WE4 0xef
#define WE3 0xdf
#define WE2 0xbf
#define WE1 0x7f
//sbit dula = P2^6;
//sbit wela = P2^7;
sbit BEEP =P3^0;
sbit LED1 =P3^2;
sbit LED2 = P3^3;
unsigned char CurrentSec_ge=0;
unsigned char CurrentSec_shi=0;
unsigned char CurrentMin_ge=0;
unsigned char CurrentMin_shi=0;
unsigned char CurrentHour_ge=0;
unsigned char CurrentHour_shi=0;
unsigned char SetClockSec_ge=0;
unsigned char SetClockSec_shi=0;
unsigned char SetClockMin_ge=0;
unsigned char SetClockMin_shi=0;
unsigned char SetClockHour_ge=0;
unsigned char SetClockHour_shi=0;
unsigned char ChangeTimeCount =0;
uint TimeKCount =0;
uint TimeGCount =0;
uint TimeKflag =0;
uint num = 0;
uint flag;
uint cflag;
uchar code table[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
uchar code table1[] = {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x80};
uint rsec = 0, rmin = 0, rhour = 0;
uint csec = 0, cmin = 1, chour = 0;
void clock();
void delay(uint z);
void displaysec(uint sec);
void displaymin(uint min);
void displayhour(uint hour);
unsigned char AlarmTimeCount =0;
void Alarmclock()
{
if(rsec == csec && rmin == cmin && rhour == chour)
{
BEEP =0;
LED1 =0;
AlarmTimeCount=200;
}
}
void delay(uint z)
{
uint x,y;
for(x=0;x<z;x++)
for(y=0;y<110;y++);
}
void displaysec(uint sec)
{
P2 = WE1;
if((KeyN==1)||(KeyN==7))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[sec%10];
}
}
else
{
P0 = table[sec%10];
}
delay(3);
P2 = WE2;
if((KeyN==2)||(KeyN==8))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[sec/10];
}
}
else
{
P0 = table[sec/10];
}
delay(3);
P2 = WE3;
P0 = 0xBF;
delay(3);
}
void displaymin(uint min)
{
P2 = WE4;
if((KeyN==3)||(KeyN==9))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[min%10]- 0x80;
}
}
else
{
P0 = table[min%10]- 0x80;
}
delay(5);
P2 = WE5;
if((KeyN==4)||(KeyN==10))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[min/10] ;
}
}
else
{
P0 = table[min/10] ;
}
delay(5);
P2 = WE6;
P0 = 0xBF;
delay(3);
}
void displayhour(uint hour)
{
P2 = WE7;
if((KeyN==5) ||(KeyN==11))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[hour%10] - 0x80;
}
}
else
{
P0 = table[hour%10] - 0x80;
}
delay(3);
P2 = WE8;
if((KeyN==6)||(KeyN==12))
{
if(TimeKflag==1)
{
P0 = 0xff;
}
else
{
P0 = table[hour/10];
}
}
else
{
P0 = table[hour/10];
}
delay(3);
}
/****************************************************************************
函数功能:键盘扫描子程序
入口参数:
出口参数:
****************************************************************************/
unsigned char keyscan(void)
{
unsigned KeyValue =0;
unsigned char n=0;
//扫描第一行
P1=0xfe;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
P1=0xfe;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
delay(10);
switch(n)
{
case(0xe0):KeyValue=1;break; //
case(0xd0):KeyValue=2;break; //
case(0xb0):KeyValue=3;break; //
case(0x70):KeyValue=13;break; //
}
}
}
//扫描第二行
P1=0xfd;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
P1=0xfd;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
delay(10);
switch(n)
{
case(0xe0):KeyValue=4;break; //
case(0xd0):KeyValue=5;break; //
case(0xb0):KeyValue=6;break;
case(0x70):KeyValue=14;break;
}
}
}
//扫描第三行
P1=0xfb;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
P1=0xfb;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
delay(10);
switch(n)
{
case(0xe0):KeyValue=7;break;
case(0xd0):KeyValue=8;break;
case(0xb0):KeyValue=9;break;
case(0x70):KeyValue=15;break;
}
}
}
//扫描第四行
P1=0xf7;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
P1=0xf7;
n=P1;
n&=0xf0;
if(n!=0xf0)
{
delay(10);
switch(n)
{
case(0xe0):KeyValue=11;break; //*键
case(0xd0):KeyValue=10;break; //0键
case(0xb0):KeyValue=12;break; //#键
case(0x70):KeyValue=16;break;
}
}
}
return KeyValue;
}
void main ()
{
EA = 1;
ET1 = 1;
TMOD = 0x10;
TR1 = 1;
TH1 = (65536-46071)/256;
TL1 = (65536-46071)%256;
KeyN=0;
P1=0x0f;
while(1)
{
Alarmclock();
ReturnKeyValue = keyscan();
if(ReturnKeyValue!=0)
{
delay(200);
switch(ReturnKeyValue)
{
case 11:
{
TimeKCount =10;
TimeGCount =0;
TimeKflag =1;
KeyN++;
if(KeyN>12)
{
KeyN=0;
}
}
break;
case 12: //显示闹钟时间
{
ChangeTimeCount++;
}
break;
case 13: // 没用到 可以用于点亮指示灯
case 14: //
case 15: // 没用到 可以用于点亮指示灯
case 16: //
{
LED2=~LED2;
}
break;
}
if(ReturnKeyValue<=10)
{
switch(KeyN)
{
case 1:
if(ReturnKeyValue==10)
{
rsec=0;
CurrentSec_ge = 0;
}
else
{
rsec = ReturnKeyValue;
CurrentSec_ge = ReturnKeyValue;
}
break;
case 2:
if(ReturnKeyValue==10)
{
rsec=0*10+CurrentSec_ge;
}
else
{
if(ReturnKeyValue<6)
{
rsec = ReturnKeyValue*10+CurrentSec_ge;
}
}
break;
case 3:
if(ReturnKeyValue==10)
{
rmin=0;
CurrentMin_ge=0;
}
else
{
rmin = ReturnKeyValue;
CurrentMin_ge = ReturnKeyValue;
}
break;
case 4:
if(ReturnKeyValue==10)
rmin=0*10+CurrentMin_ge;
else
{
if(ReturnKeyValue<6)
{
rmin = ReturnKeyValue*10+ CurrentMin_ge;
}
}
break;
case 5:
if(ReturnKeyValue==10)
{
rhour=0;
CurrentHour_ge=0;
}
else
{
//if(ReturnKeyValue<=4)
{
rhour = ReturnKeyValue;
CurrentHour_ge = ReturnKeyValue;
}
}
break;
case 6:
if(ReturnKeyValue==10)
{
rhour=CurrentHour_ge;
}
else
{
if(ReturnKeyValue<=2)
{
if(CurrentHour_ge>=4)
{
if(ReturnKeyValue<=1)
rhour = ReturnKeyValue*10+CurrentHour_ge;
}
else
{
rhour = ReturnKeyValue*10+CurrentHour_ge;
}
}
}
break;
case 7:
if(ReturnKeyValue==10)
{
csec=0;
SetClockSec_ge = 0;
}
else
{
csec = ReturnKeyValue;
SetClockSec_ge = ReturnKeyValue;
}
break;
case 8:
if(ReturnKeyValue==10)
{
csec=0*10+SetClockSec_ge;
}
else
{
if(ReturnKeyValue<6)
{
csec = ReturnKeyValue*10+SetClockSec_ge;
}
}
break;
case 9:
if(ReturnKeyValue==10)
{
cmin=0;
SetClockMin_ge=0;
}
else
{
cmin = ReturnKeyValue;
SetClockMin_ge = ReturnKeyValue;
}
break;
case 10:
if(ReturnKeyValue==10)
cmin=0*10+SetClockMin_ge;
else
{
if(ReturnKeyValue<6)
{
cmin = ReturnKeyValue*10+ SetClockMin_ge;
}
}
break;
case 11:
if(ReturnKeyValue==10)
{
chour=0;
SetClockHour_ge=0;
}
else
{
//if(ReturnKeyValue<=4)
{
chour = ReturnKeyValue;
SetClockHour_ge = ReturnKeyValue;
}
}
break;
case 12:
if(ReturnKeyValue==10)
{
chour=SetClockHour_ge;
}
else
{
if(ReturnKeyValue<=2)
{
if(SetClockHour_ge>=4)
{
if(ReturnKeyValue<=1)
chour = ReturnKeyValue*10+SetClockHour_ge;
}
else
{
chour = ReturnKeyValue*10+SetClockHour_ge;
}
}
}
break;
}
}
}
}
}
余下篇幅文件里下
矩阵键盘数码管闹钟.zip
(165.79 KB, 下载次数: 33)
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