智能光控照明系統(tǒng)LED（ADC0809）程序

LED〔ADC0809〕程序#include//包含單片機(jī)存放器的頭文件#include#defineucharunsignedchar#defineuintunsignedint#defineData_ADC0809P3sbitST=P1^4;sbitEOC=P1^3;sbitOE=P1^2;unsignedcharCYCLE=10;//定義周期該數(shù)字X基準(zhǔn)定時(shí)時(shí)間假設(shè)1010x0.1msunsignedcharPWM_ON=10;//定義高電尋常間intguangzhao;sbitdengpao=P2^0;//定義燈泡sbitled=P1^5;sbitk1=P1^0;sbitk2=P1^1;intdaima;sbitp1=P2^7;//位選定義sbitp2=P2^6;//位選定義sbitp3=P2^5;//位選定義sbitp4=P2^4;//位選定義uchar codeLEDData[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};//數(shù)碼管顯示段碼ucharshuju[3];//顯示的數(shù)據(jù)存儲(chǔ)器externucharADC0809;uchartemp1=0;floattemp_;intmoshi=0;dang=0;shijian=0;//ADC0809讀取信息ucharADC0809{uchartemp=0x00;//初始化高阻太OE=0;//轉(zhuǎn)化初始化ST=0;//開(kāi)頭轉(zhuǎn)換ST=1;ST=0;//外部中斷等待AD轉(zhuǎn)換完畢while(EOC==0)//ADOE=1;temp=Data_ADC0809;OE=0;returntemp;}voiddat//AD{ET0=0;temp1=ADC0809;temp_=temp1/255.0*5.0;guangzhao=temp_*100;ET0=1;if(moshi==0){shuju[0]=guangzhao/100;shuju[1]=guangzhao%100/10;shuju[2]=guangzhao%100%10;}else{shuju[0]=10;shuju[1]=10;shuju[2]=dang;}}voidqudong//依據(jù)光照推斷燈泡顯示的亮度{if(moshi==0){if(guangzhao>300)PWM_ON=10;//0elseif(guangzhao>200)PWM_ON=9;//1elseif(guangzhao>100)PWM_ON=7;//2elseif(guangzhao<=100)PWM_ON=1;//3}else{if(k2==0){dang++;if(dang>=4)dang=0;}while(k2==0);switch(dang){case0:PWM_ON=10;break;case1:PWM_ON=9;break;case2:PWM_ON=7;break;case3:PWM_ON=1;break;}}}voidkey{if(k1==0){moshi=!moshi;dang=0;shijian=0;}while(k1==0);}/****************************************************************************************/voidmain//主程序{TMOD=0x02;//定義中斷〔實(shí)現(xiàn)調(diào)光及顯示功能〕TH0=(65536-100)/256;TL0=(65536-100)%256;//定時(shí)0.1mSTR0=1;ET0=1;EA=1;while(1)//循環(huán){dat;//AD轉(zhuǎn)換結(jié)果轉(zhuǎn)換成顯示代碼key;qudong;//依據(jù)光照推斷燈泡顯示的亮度}}voidtime0(void)interrupt1//定時(shí)器0中斷〔實(shí)現(xiàn)調(diào)光及顯示功能〕{staticunsignedcharcount;TH0=(65536-100)/256;TL0=(65536-100)%256;//0.1mSif(count==PWM_ON){dengpao=1;//燈滅}count++;if(count==CYCLE){count=0;if(PWM_ON!=0)//假設(shè)左右時(shí)間是0保持原來(lái)狀態(tài)dengpao=0;//燈亮}switch(daima)//顯示，daima{case0:p1=0;p2=0;p3=0;p4=0;//位選關(guān)P0=LEDData[shuju[0]];//發(fā)送代碼p1=0;p2=1;p3=0;p4=0;//位選開(kāi)break;case1:p1=0;p2=0;p3=0;p4=0;//位選關(guān)P0=LEDData[shuju[1]];//發(fā)送代碼p1=0;p2=0;p3=1;p4=0;//位選開(kāi)break;case2:p1=0;p2=0;p3=0;p4