51单片机设置的电子闹钟可调时间与闹钟

.../#include<reg52.h>#defineuintunsignedint#defineucharunsignedchar#defineLEDP0//数码管的段选#defineLIGHTP1//时分秒位的指示灯#defineWSP2//数码管的位选sbitkey1=P3^0;//时间暂停/开始sbitkey2=P3^1;//时间/闹钟设置sbitkey3=P3^2; //增加sbitkey4=P3^3; //减少sbitalarm=P3^6;//闹铃uchartab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//0-9uchartab_dp[10]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};//0.-9.〔带小数点uchardata1[]={0,0,0,0,0,0};uchardata2[]={0,0,0,0,0,0};uintt,k,kk,k1,flag;uintbbh,bbm,bbs,bbh1,bbm1,bbs1;uintsec,min,hour,sec1,min1,hour1;//定义秒,分,时voidinit<>;voiddisplay<>;voiddisplay_bb<>;voiddelay<uint>;voidkeyscan<>;voidmain<>{init<>;while<1>{ keyscan<>; if<k1==0||k1==1||k1==2||k1==3>//显示调节时间{display<>;}if<k1==4||k1==5||k1==6>//显示调节闹钟{display_bb<>;} if<<bbh==hour>&&<bbm==min>&&data1[4]==0&&data1[5]==5>//5s报时 { alarm=~alarm; delay<1>; } if<<bbs==sec>&&<bbm==min>&&<bbh==hour>>//可调报时 { alarm=~alarm; delay<1>; }}}voidinit<>{ WS=LIGHT=flag=0; sec=min=hour=0;//将0赋给时分秒 TMOD=0x01;//方式1P129〔见课本 TH0=0x3c;//65536-50000=15536=0x3cb0<50ms>P128〔见课本 TL0=0xb0; EA=1;//开总中断P161〔见课本 TR0=1; //定时/计数器0开启 ET0=1; //定时器/计数器0溢出中断启动P161〔见课本}voiddelay<unsignedintt> //延时函数{unsignedinti;while<t--> for<i=0;i<125;i++>;}voiddisplay<> //显示时间函数{ if<TF0==1>//定时器/计数器溢出P130〔见课本 { TF0=0;//清中断标志位 t++; if<t==20> //<50ms*20=1s> { t=0; sec++;//秒加1 if<sec==60>//秒为60,则清零,分加1 { sec=0; min++; } if<min==60>//分为60,则清零,时加1 { min=0; hour++; } if<hour==24>//时为24,则清零 { hour=0; } }} data1[5]=sec%10; data1[4]=sec/10; data1[3]=min%10; data1[2]=min/10; data1[1]=hour%10; data1[0]=hour/10; WS=0xdf;//11011111,低电平显示 LED=tab[data1[5]]; delay<1>; WS=0xef; //11101111 LED=tab[data1[4]]; delay<1>; WS=0xf7; //11110111 LED=tab_dp[data1[3]]; delay<1>; WS=0xfb; //11111011 LED=tab[data1[2]]; delay<1>; WS=0xfd; //11111101 LED=tab_dp[data1[1]]; delay<1>; WS=0xfe; //11111110 LED=tab[data1[0]]; delay<1>;}voiddisplay_bb<> //显示闹钟函数{ data2[5]=bbs%10; data2[4]=bbs/10; data2[3]=bbm%10; data2[2]=bbm/10; data2[1]=bbh%10; data2[0]=bbh/10; WS=0xdf;//11011111,低电平显示 LED=tab[data2[5]]; delay<1>; WS=0xef; //11101111 LED=tab[data2[4]]; delay<1>; WS=0xf7; //11110111 LED=tab_dp[data2[3]]; delay<1>; WS=0xfb; //11111011 LED=tab[data2[2]]; delay<1>; WS=0xfd; //11111101 LED=tab_dp[data2[1]]; delay<1>; WS=0xfe; //11111110 LED=tab[data2[0]]; delay<1>;}voidkeyscan<> //键盘扫描{if<key1==0> //暂停/开始{ ++kk;while<!key1>{display<>; if<kk==1> { TR0=0; if<k1==0||k1==1||k1==2||k1==3>//显示调节时间{ display<>;}if<k1==4||k1==5||k1==6>//显示调节闹钟{display_bb<>;} if<key2==0> //模式选择〔调节时间/闹钟 { k1++; while<!key2> { if<k1==1>//第1次按下 { sec1=sec;//保存秒的数值 sec=88;//显示88,表示可以调节秒的数值了 display<>;//显示88 sec=sec1;//恢复前一刻秒的数值 } if<k1==2> { min1=min; min=88; display<>; delay<1>; min=min1; } if<k1==3> { hour1=hour; hour=88; display<>; delay<1>; hour=hour1; } if<k1==4> { sec1=bbs;//保存秒的数值 bbs=66;//显示66,表示可以调节秒的数值了 display_bb<>;//显示66 bbs=sec1;//恢复前一刻秒的数值 } if<k1==5> { min1=bbm; bbm=66; display_bb<>; delay<10>; bbm=min1; } if<k1==6> { hour1=bbh; bbh=66; display_bb<>; delay<10>; bbh=hour1; } if<k1==7> { k1=0; display<>; } } } if<key3==0>//时间/闹钟增加设置 { while<!key3> { if<k1==1> { sec++;//秒加1 delay<60>; if<sec==60> sec=0; display<>; } if<k1==2> { min++; delay<60>; if<min==60> min=0; display<>; } if<k1==3> { hour++; delay<60>; if<hour==24> hour=0; display<>; } if<k1==4> { bbs++;//秒加1 delay<60>; if<bbs==60> bbs=0; display_bb<>; } if<k1==5> { bbm++; delay<60>; if<bbm==60> bbm=0; display_bb<>; } if<k1==6> { bbh++; delay<60>; if<bbh==24> bbh=0; display_bb<>; } if<k1==7> { k1=0; display<>; } } } if<key4==0> //时间/闹钟减少设置 { while<!key4> { if<k1==1> { sec--;//秒加1 delay<60>; if<sec==0> sec=60; display<>; } if<k1==2> { min--; delay<60>; if<min==0> min=60; display<>; } if<k1==3> { hour--; delay<60>; if<hou