精品专题资料（2021-2022年收藏）基于单片机的LED路灯时控光控模拟系统设计.doc

基于单片机的LED路灯时控光控模拟系统设计原理图中的滑动变阻器实际使用光敏电阻。程序如下#include<reg52.h>#defineucharunsignedchar#defineuintunsignedintsbitkey_0=P2^3;sbitkey_1=P2^2;sbitkey_2=P2^1;sbitkey_3=P2^0;sbitwela_0=P2^7;sbitwela_1=P2^6;sbitwela_2=P2^5;sbitwela_3=P2^4;sbitludeng=P1^0;sbitinlamp1=P1^2;sbitinlamp2=P1^4;sbitguangmin=P1^6;ucharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};unsignedinthour,min,STH,STM,LH,LM,f1,f0;uintaa;voiddelay(uintu)//延时子程序{uintx,y;for(x=u;x>0;x--)for(y=110;y>0;y--);}voiddisplay(ucharh,ucharm)//动态扫描子程序，扫描周期为50ms{ucharhhour,lhour,hmin,lmin;hhour=h/10;lhour=h%10;hmin=m/10;lmin=m%10;P0=table[hhour];P2=0x8f;//P0口加上拉电阻才能显示高电平。不然是高阻态。delay(2);P0=table[lhour];P2=0x4f;delay(2);P0=table[hmin];P2=0x2f;delay(2);P0=table[lmin];P2=0x1f;delay(2);}voidmain(){EA=1;TMOD=0x11;TH0=0x4b;TL0=0xfd;TH1=0x4b;TL1=0xfd;TR0=1;TR1=1;ET0=1;ET1=1;EX0=1;EX1=1;IT0=1;IT1=1;PX0=1;PX1=0;hour=12;min=0;STH=19;STM=0;LH=5;LM=0;aa=0;while(1){if(key_0==0){delay(2);if(key_0==0){hour++;}//在检测按键按下时，按键需要一个消除//抖动的延时if(hour==24)hour=0;while(key_0!=1)display(hour,min);}if(key_1==0){delay(2);if(key_1==0){min++;}if(min==60)min=0;while(key_1!=1)display(hour,min);}if(hour==STH)//条件符合点亮路灯{if(min==STM)ludeng=0;TR1=0;}if(hour==LH)//条件符合熄灭路灯{if(min==LM)ludeng=1;TR1=1;}display(hour,min);}}voidtime1()interrupt3{TH1=0x3c;TL1=0xb0;f1=guangmin;if(ludeng==1){switch(f1){case1:ludeng=0;break;case0:ludeng=1;break;default:break;}}if(ludeng==0){switch(f1){case1:ludeng=0;break;case0:ludeng=1;break;default:break;}}}voidtime()interrupt1//定时器0用来控制实时时间{TH0=0x3c;TL0=0xb0;aa++;if(aa==600){aa=0;min++;if(min==60){min=0;hour++;if(hour==24){hour=0;}}}}voidtimedot()interrupt0//设置点亮时间{inlamp1=0;inlamp2=1;while(key_2==1){if(key_0==0){delay(2);if(key_0==0)STH++;if(STH==24)STH=0;while(key_0!=1)display(STH,STM);}if(key_1==0){delay(2);if(key_1==0)STM++;if(STM==60)STM=0;while(key_1!=1)display(STH,STM);}display(STH,STM);}inlamp1=1;}voidtimelong()interrupt2//设置熄灭时间{inlamp2=0;while(key_2==1){if(key_0==0){delay(2);if(key_0==0)LH++;if(LH==24)LH