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#include"reg52.h"
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
#define XIANSHI shi,fen,miao
#define SHISHE shi,99,99 //99是任意一個數，用于后面條件檢測
#define FENSHE 99,fen,99
#define MIAOSHE 99,99,miao
#define NAO_S nao_s,99,99 //鬧鐘的宏
#define NAO_F 99,nao_f,99
#define NAO_M 99,99,nao_m //宏定義結束
sbit key1=P3^0; //定義按鍵所連51單片機的引腳
sbit key2=P3^1;
sbit key3=P3^2;
sbit duan_1 =P2^0; //雖然聲明是duan但是其實是用來位選的
sbit duan_2 =P2^1;
sbit duan_3 =P2^2;
sbit duan_4 =P2^3;
sbit duan_5 =P2^4;
sbit duan_6 =P2^5;
sbit huxiled=P2^6; //呼吸燈
sbit nzled=P3^3; //D2燈用來指示設置的鬧鐘時間到
sbit BEEP=P1^5;
uchar shijian[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
uchar shi,fen,miao,nao_s=0,nao_f=0,nao_m=15,num_1=0,num_2=0,b=1,c=0;
uchar a=0,n=0;
void delayms(uint x)
{
uint a,b;
for(a=x;a>0;a--)
for(b=110;b>0;b--); //延時1ms
}
void xianshi(uchar S,F,M) //時間和鬧鐘顯示函數
{
uchar shi_1,shi_2,fen_1,fen_2,miao_1,miao_2;
shi_1=S/10;shi_2=S%10;
fen_1=F/10;fen_2=F%10;
miao_1=M/10;miao_2=M%10;
if(S==99) {shi_1=10;shi_2=10;}//和設置按鍵有關，為了單獨顯示某一時或者分、秒。
if(F==99) {fen_1=10;fen_2=10;}
if(M==99) {miao_1=10;miao_2=10;}
duan_1=1;P0=shijian[shi_1];delayms(5);duan_1=0; //位選
duan_2=1;P0=shijian[shi_2];delayms(5);duan_2=0;
duan_3=1;P0=shijian[fen_1];delayms(5);duan_3=0;
duan_4=1;P0=shijian[fen_2];delayms(5);duan_4=0;
duan_5=1;P0=shijian[miao_1];delayms(5);duan_5=0;
duan_6=1;P0=shijian[miao_2];delayms(5);duan_6=0;
}
void keyscan()
{
uint time=0;
if(key1==0)
{
while(!key1)
{
time++;
if(time>40000){a=5;break;} //這是一個長按進入鬧鐘模式設置鍵
}
if(time<39999)
a++;
}
if(key2==0) //key2控制時間加
{
delayms(90);
if(key2==0)
{
if(a==1) {delayms(90);shi++;if(shi==24) shi=0;}
if(a==2) {delayms(90);fen++;if(fen==60) fen=0;}
if(a==3) {delayms(90);miao++;if(miao==60) miao=0;}
if(a==6) {delayms(90);nao_s++;if(nao_s==24) nao_s=0;}
if(a==7) {delayms(90);nao_f++;if(nao_f==60) nao_f=0;}
if(a==8) {delayms(90);nao_m++;if(nao_m==60) nao_m=0;}
}while(!key2);
}
if(key3==0) //key3控制時間減
{
delayms(90);
if(key3==0)
{
if(a==1) {delayms(90);shi--;if(shi>=0&&shi<24);else shi=23;}
if(a==2) {delayms(90);fen--;if(fen>=0&&fen<60);else fen=59;}
if(a==3) {delayms(90);miao--;if(miao>=0&&miao<60);else miao=59;}
if(a==6) {delayms(90);nao_s--;if(nao_s>=0&&nao_s<24);else nao_s=23;}
if(a==7) {delayms(90);nao_f--;if(nao_f>=0&&nao_f<60);else nao_f=59;}
if(a==8) {delayms(90);nao_m--;if(nao_m>=0&&nao_m<60);else nao_m=59;}
}while(!key3);
}
if(a==4||a==9){a=0;} //歸零
}
void init()
{
nzled=0; //給D2燈一個預設熄滅
TMOD=0x01; //工作方式1
TH0=0x4C; //定時器T0 定時19ms
TL0=0x00;
ET0=1;
ET1=1;
TH1=0xc0; //定時器T1 定時56ms
TL1=0x00;
ET0=1;
ET1=1;
TR1=1;
EA=1; //總中斷
}
void nzhongled() //鬧鐘和時間一致時讓數碼管和D2一起在將近10秒內頻閃不斷
{
uint g;
for(g=0;g<23;g++)
{
nzled=1; //鬧鐘顯示燈開始閃爍
delayms(200);
xianshi(XIANSHI);
nzled=0;
delayms(200);
xianshi(XIANSHI);
BEEP=~BEEP; //取反輸出到喇叭的信號
}
}
void main()
{
init();
while(1)
{
switch(a)
{
case 0:TR0=1;keyscan();xianshi(XIANSHI);break;
case 1:TR0=0;keyscan();xianshi(SHISHE);break;//中斷關閉，時間停止
case 2:keyscan();xianshi(FENSHE);break;
case 3:keyscan();xianshi(MIAOSHE);break;
case 5:;
case 6:keyscan();xianshi(NAO_S);break;
case 7:keyscan();xianshi(NAO_F);break;
case 8:keyscan();xianshi(NAO_M);break;
}
if(a==0&&(nao_s==shi&&nao_f==fen&&nao_m==miao))
{
nzhongled(); //鬧鐘與時間一致進入nzhongled函數
}
}
}
void zhongduan1() interrupt 1 //精確計時定時器中斷T0
{
TH0=0x4C;
TL0=0x00;
num_1++;
if(num_1==20)
{
num_1=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24) shi=0;
}
}
}
}
void zhongduan2() interrupt 3
//呼吸燈程序，具體體現為D1燈，
//在proteus中無呼吸效果猜測是因為proteus模擬時每次刷新每幀是0.05秒太久
{
TH1=0xc0;
TL1=0x00;
num_2++;
if(b<=6)
{
if(num_2<b) huxiled=1;
else huxiled=0;
}
else
{
if((num_2+6)<b) huxiled=0;
else huxiled=1;
}
if(num_2==6)
{
num_2=0;c++;
if(c==4)
{
b++;c=0;
if(b==13) b=0;
}
}
}

復制代碼

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