基于51单片机电机速度测试

#include <reg51.h> #define p1 P1 #define p2 P2 #define p0 P0 #define p3 P3 #define uchar unsigned char sbit p27=P2^7; sbit p16=P1^6; sbit p15=P1^5; sbit p14=P1^4; sbit p17=P1^7; sbit p00=P0^0; sbit p05=P0^5; sbit p06=P0^6; sbit p07=P0^7; void delay(uchar ms) { uchar i; for(;ms>0;ms--) for(i=10;i>0;i--); } void main(void) { int v1,v2,v3,v4,v5; uchar qianwei,baiwei,shiwei,gewei,bian,dd; uchar k,h,i,j,sec,ssec,min; uchar bai1,shi1,ge1,b,v; uchar qian1,bai3,shi3,ge3,e,f; TMOD=0x61; TH0=0x3c; TL0=0xb0; TH1=0X00;//设置计数初值 TL1=0X00; TR0=1; //T0定时运行 TR1=1; //T1计数开始 ET0=0; //T0禁止中断 ET1=0; //T1禁止中断 EA=0; while(1) { if(p27==0) { { if(TF1==1) { v1++; TF1=0; } //速度计算 v2=v1*256+TL1; v4=min*60+ssec*10+sec+k/19; v3=v2/(v4*23); qianwei=v3/1000; bian=v3/100; baiwei=bian%10; dd=v3/10; shiwei=dd%10; gewei=v3%10; //计数1计数完显示 v=TL1; bai1=v/100;//百位 ge1=v%10;//个位 b=v/10; shi1=b%10;//十位 //计数1循环次数数字显示 v5=v1; qian1=v5/1000;//千位 ge3=v5%10;//个位 e=v5/10; shi3=e%10;//十位 f=e/10; bai3=f%10;//百位 //时间计算 if(TF0==1) { h=0; ++k; TH0=0x3c; TL0=0xb0; TF0=0; TR0=1; if(k==20) { k=0; h=1; } if(h) { ++i; sec=i; if(i>9) { i=0; ++j; ssec=j; } if(j>5) { j=0; ssec=0; min++; } if(min>9) { min=0; } TH0=0x3c; TL0=0xb0; } } //数码管动态扫描 //计数显示 p1=ge1; p2=0x00; delay(35); p2=0x0ff; p1=shi1; p2=0x01; delay(35); p2=0x0ff; p1=bai1; p2=0x02; delay(35); p2=0x0ff; //计数循环数字显示 p1=ge3; p2=0x03; delay(35); p2=0x0ff; p1=shi3; p2=0x04; delay(35); p2=0x0ff; p1=bai3; p2=0x05; delay(35); p2=0x0ff; p1=qian1; p2=0x06; delay(35); p2=0x0ff; } //定时显示 p0=sec; p05=0; delay(35); p05=1; p0=ssec; p06=0; delay(35); p06=1; p0=min; p07=0; delay(35); p07=1; //速度显示 p3=gewei; p14=0; delay(35); p14=1; p3=shiwei; p15=0; delay(35); p15=1; p3=baiwei; p16=0; delay(35); p16=1; p3=qianwei; p17=0; delay(35); p17=1; } else { TR0=0; TR1=0; //时间显示 p0=sec; p05=0; delay(10); p05=1; p0=ssec; p06=0; delay(10); p06=1; p0=min; p07=0; delay(10); p07=1; //速度扫描显示 p3=gewei; p14=0; delay(35); p14=1; p3=shiwei; p15=0; delay(35); p15=1; p3=baiwei; p16=0; delay(35); p16=1; p3=qianwei; p17=0; delay(35); p17=1; //计数显示 p1=ge1; p2=0x00; delay(35); p2=0x0ff; p1=shi1; p2=0x01; delay(35); p2=0x0ff; p1=bai1; p2=0x02; delay(35); p2=0x0ff; //计数循环数字显示 p1=ge3; p2=0x03; delay(35); p2=0x0ff; p1=shi3; p2=0x04; delay(35); p2=0x0ff; p1=bai3; p2=0x05; delay(35); p2=0x0ff; p1=qian1; p2=0x06; delay(35); p2=0x0ff; } } }