直流電機(jī)正反轉(zhuǎn)C程序

直流電機(jī)正反轉(zhuǎn)C程序直流電機(jī)正反轉(zhuǎn)C程序直流電機(jī)正反轉(zhuǎn)C程序直流電機(jī)正反轉(zhuǎn)C程序編制僅供參考審核批準(zhǔn)生效日期地址：電話：傳真:郵編://直流電機(jī)正反轉(zhuǎn)C程序#include<>#defineucharunsignedchar#defineuintunsignedintsbitdula=P2^6;sbitwela=P2^7;sbitkey4=P3^0;sbitkey1=P3^1;//sbitset=P3^4;bitflag=0;ucharbai,shi,ge;uinti,count,num;uintdisnum;//循環(huán)次數(shù)ucharcodetabledu[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0};voiddelay_12MHZ_s(uintx){ uintj,k,i; for(j=x;j>0;j--) for(k=112;k>0;k--) for(i=1114;i>0;i--);}voiddelay_ms(uintx){ uintj,k; for(j=x;j>0;j--) for(k=112;k>0;k--);}voiddisplay_sm()//三位數(shù)碼管顯示循環(huán)次數(shù){ bai=disnum/100; shi=disnum%100/10; ge=disnum%10; dula=1; if(bai==0)//如果百位是0則不顯示百位 P0=0xff; else P0=tabledu[bai]; dula=0; P0=0xff; wela=1; P0=0xfe; wela=0; delay_ms(10); dula=1; if(shi==0)//如果十位是0則不顯示十位 P0=0xff; else P0=tabledu[shi]; dula=0; P0=0xff; wela=1; P0=0xfd; wela=0; delay_ms(10); dula=1; P0=tabledu[ge]; dula=0; P0=0xff; wela=1; P0=0xfb; wela=0; delay_ms(10);}voidmain(){// set=0; flag=0; TMOD=0x10; TH1=(65536-50000)/256; TL1=(65536-50000)%256; EA=1; ET1=1; EX0=1; IT0=1; while(1) { display_sm(); if(flag!=0) { TR1=1; while(1) { key1=0; key4=1; if((flag!=1)||(num>=240))//計(jì)時(shí)4分鐘到或有中斷產(chǎn)生結(jié)束正轉(zhuǎn) { num=0; TR1=0; key4=1; key1=1; break; } } if(flag!=0) { TR1=1; while(1) { key4=0; key1=1; if((flag!=1)||(num>=60))//計(jì)時(shí)1分鐘到或有中斷產(chǎn)生結(jié)束反轉(zhuǎn) { num=0; TR1=0; key4=1; key1=1; break; } } } if(flag!=0) { delay_12MHZ_s(298);//電機(jī)停止約5分鐘 num=0; disnum++;//1個(gè)循環(huán)后（正轉(zhuǎn)4分鐘+反轉(zhuǎn)1分鐘+停止5分鐘）顯示數(shù)據(jù)加一 if(disnum==999) disnum=0; } } Else//沒有按鍵按下顯示電機(jī)停止 { key1=1; key4=1; } }}voidint0()interrupt0//外部中斷響應(yīng)一次電機(jī)轉(zhuǎn)動(dòng)方向改變一次{ EA=0; delay_ms(2); if(INT0==0) { flag=~flag; num=0; disnum=0; } while(!INT0); delay_ms(2); while(!INT0); EA=1;}voidtime0()interrupt3/