帶故障檢測的PWM風(fēng)扇轉(zhuǎn)速控制器的設(shè)計(jì)de程序

帶故障檢測的PWM風(fēng)扇轉(zhuǎn)速控制器的設(shè)計(jì)de程序帶故障檢測的PWM風(fēng)扇轉(zhuǎn)速控制器的設(shè)計(jì)de程序/NUMPAGES10帶故障檢測的PWM風(fēng)扇轉(zhuǎn)速控制器的設(shè)計(jì)de程序帶故障檢測的PWM風(fēng)扇轉(zhuǎn)速控制器的設(shè)計(jì)de程序#include<reg52.h>#defineuintunsignedint#defineucharunsignedchar#defineulongunsignedlongUnsignedcharcodedispbitcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};unsignedchardispbuf[4];unsignedinti;unsignedintj;unsignedchargetdata;unsignedinttemp;unsignedinttemp1;unsignedcharcount;unsignedchard;sbitST=P2^0;sbitOE=P3^6;sbitEOC=P3^2;sbitCLK=P3^7;sbitP10=P1^0;sbitP11=P1^1;sbitP12=P1^2;sbitP13=P1^3;sbitP14=P1^4;sbitP15=P1^5;sbitP16=P1^6;sbitP17=P1^7;voidDelay(unsignedinti);voiddisplay(ucharaa,ucharbb,ucharcc,ucharbai,ucharshi,ucharge){dula=1;//有數(shù)據(jù)輸入P1=tabledula[aa];//p1口讀入數(shù)據(jù)dula=0;//數(shù)據(jù)輸入完畢P1=0xff;//初始化端口wela=1;//啟動AD轉(zhuǎn)換P1=0x04;wela=0;delay(1);dula=1;P1=tabledula[bb];dula=0;P1=0xff;//消影wela=1;P1=0x08;wela=0;delay(1);dula=1;P1=tabledula[cc];dula=0;P1=0xff;wela=1;P1=0x10;wela=0;delay(1);dula=1;P1=tabledula[bai]&0x7f;dula=0;P1=0xff;wela=1;P1=0x20;wela=0;delay(1);dula=1;P1=tabledula[shi];dula=0;P1=0xff;wela=1;P1=0x40;wela=0;delay(1);dula=1;P1=tabledula[ge];dula=0;P1=0xff;wela=1;P1=0x80;wela=0;delay(1);}voidTimeInitial(){TMOD=0x10;TH1=(65536-200)/256;//定時(shí)時(shí)間為2us,亦即CLK周期為0.4usTL1=(65536-200)%256;EA=1;ET1=1;TR1=1;}voidDelay(unsignedinti)//延時(shí)函數(shù){unsignedintj;for(;i>0;i--){for(j=0;j<125;j++){;}}}voidDisplay()//{P1=dispbitcode[dispbuf[3]];//十位P10=0;P11=1;P12=1;P13=1;Delay(10);P1=0x00;P1=dispbitcode[dispbuf[2]];//個位P17=1;//顯示小數(shù)點(diǎn)P10=1;P11=0;P12=1;P13=1;Delay(10);P1=0x00;P1=dispbitcode[dispbuf[1]];//十分位P10=1;P11=1;P12=0;P13=1;Delay(10);P1=0x00;P1=dispbitcode[dispbuf[0]];//百分位P10=1;P11=1;P12=1;P13=0;Delay(10);P1=0x00;}voidmain()//主函數(shù){TimeInitial();while(1){ST=0;//關(guān)閉轉(zhuǎn)換OE=0;//關(guān)閉輸出ST=1;//開啟轉(zhuǎn)換ST=0;//關(guān)閉轉(zhuǎn)換P14=0;//選擇通道0P15=0;P16=0;while(EOC==0);//判斷是否轉(zhuǎn)換結(jié)束:是則執(zhí)行以下語句,否則等待OE=1;//開啟數(shù)據(jù)輸出允許getdata=P0;//將數(shù)據(jù)取走,存放在變量getdata中OE=0;//關(guān)閉輸出temp=getdata*1.0/255*500;//電壓值轉(zhuǎn)換,5V作為參考電壓,分成256份dispbuf[0]=temp%10;//百分位dispbuf[1]=temp/10%10;//十分位dispbuf[2]=temp/100%10;//個位dispbuf[3]=temp/1000;//十位Display();