直流电机正反转C程序

/直流电机正反转C程序#include#define uchar unsigned char#define uint unsigned intsbit dula=P26;sbit wela=P27;sbit key4=P30;sbit key1=P31;/sbit set=P34;bit flag=0;uchar bai,shi,ge;uint i,count,num;uint disnum;/循环次数uchar code tabledu=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0;void delay_12MHZ_s(uint x)uint j,k,i;for(j=x;j0;j-)for(k=112;k0;k-)for(i=1114;i0;i-);void delay_ms(uint x)uint j,k;for(j=x;j0;j-)for(k=112;k0;k-);void display_sm()/三位数码管显示循环次数bai=disnum/100;shi=disnum%100/10;ge=disnum%10;dula=1;if(bai=0)/如果百位是0则不显示百位P0=0xff;elseP0=tabledubai;dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delay_ms(10);dula=1;if(shi=0)/如果十位是0则不显示十位P0=0xff;elseP0=tabledushi;dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;delay_ms(10);dula=1;P0=tableduge;dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay_ms(10);void main()/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)/计时4分钟到或有中断产生结束正转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)/ 计时1分钟到或有中断产生结束反转num=0;TR1=0;key4=1;key1=1;break;if(flag!=0)delay_12MHZ_s(298);/电机停止约5分钟num=0;disnum+;/1个循环后（正转4分钟+反转1分钟+停止5分钟）显示数据加一if(disnum=999)disnum=0;Else/没有按键按下显示电机停止key1=1;key4=1;void int0 () interrupt 0/外部中断响应一次电机转动方向改变一次EA=0;delay_ms(2);if(INT0=0)flag=flag;num=0;disnum=0;while(!INT0);delay_ms(2);while(!INT0);EA=1;void time0 () interrupt 3/定时电机转动时间