直流電機(jī)正反轉(zhuǎn)C程序

1、直流電機(jī)正反轉(zhuǎn)C程序#include<>#defineucharunsignedchar#defineuintunsignedintsbitdula=P2A6;sbitwela=P2A7;sbitkey4=P3A0;sbitkey1=P3A1;/sbitset=P3A4;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;v

2、oiddelay_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;elseP0=tabledubai;dula=0;P0=0x

3、ff;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;elseP0=tabledushi;dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;dula=1;P0=tableduge;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

4、;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(méi)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/定時(shí)電機(jī)轉(zhuǎn)動(dòng)時(shí)間