bujindianji.rar_bujindianji_p89v51rd2_步进 控制_步进电机 启动

#include <reg51.h> #define uchar unsigned char #define uint unsigned int sfr ldata=0x90; //P1 = LCD input sbit rs=P2^6; sbit rw=P2^5; sbit en=P2^4; sbit busy=P1^7; void lcdready(); void lcddata(uchar value); void lcdcmd(uchar value); void Delay(uint value); uchar code keypad[10]={'0','1','2','3','4','5','6','7','8','9'}; uchar Speed=25,MinSpd=25,MaxSpd=100,i=0; uchar g=0,s=0,b=0,K; uint code LData[4]={0,236,86,73}; uint code HData[4]={76,82,89,95}; uchar code Forward[4]={0xef,0xdf,0xbf,0x7f}; //uchar code Back[4]={0xef,0x7f,0xbf,0xdf}; //sbit K1 = P0^0; //加速 //sbit K2 = P0^1; //减速 //sbit K3 = P0^2; //停止 //sbit K4 = P0^3; //启动 sbit K1 = P2^0; sbit K2 = P2^1; sbit K3 = P2^2; sbit K4 = P2^3; void Key( void); void lcddata(unsigned char value); void lcdcmd(unsigned char value); void lcdready(); void SpdLcd(uchar value); void CounterLcd(void); void Delay(unsigned int value); void time0(void) interrupt 1 { //if(P0==0xef) //return; if(P0==0xee) { K=1; TR1=0; } else if(P0==0xed) { K=2; TR1=0; } else if(P0==0xeb) { K=3; TR1=0; } else if(P0==0xe7) { K=4; TR1=0; } } void time1(void) interrupt 3 { K1=1; K2=1; K2=1; K2=1; P2=(P2&Forward[i++]); if(i==4) i=0; TH1=HData[Speed-25]; TL1=LData[Speed-25]; TR1=1; CounterLcd(); /* P3=Forward[i++]; if(i==4) i=0; TH1=HData[Speed-25]; TL1=LData[Speed-25]; TR1=1; CounterLcd(); */ } void main() { //P3=0xff; TMOD=0x11; IE=0x8A; //TR0=1; //IE=0x8A; while(1) { ///P0=oxef; Key(); //read keyboard if(K==1) { //TR0=0; Speed++; if(Speed>MaxSpd) { Speed=100; } } else if(K==2) { //TR0=0; Speed--; if(Speed<MinSpd) { Speed=25; } } else if(K==3) { //TR0=0; EA=0; Speed=25; //break; } else if(K==4) { Speed=MinSpd; } g=0; s=0; b=0; SpdLcd(Speed); TH1=HData[Speed-25]; TL1=LData[Speed-25]; TH0=-255; //TR0=1; TR1=1; //IE=0x8A; } } void Key( void) { //uchar temp; P0=0xEF; do { if(P0!=0xEF) { TH0=255; TL0=0; TR0=1; } }while(P0==0xef); /*do { do { Delay(2); temp=P0; }while(temp ==0xEF); Delay(2); temp=P0; }while(temp==0xEF); TR0=0; if(P0==0xEE) K1=1; else if(P0==0xDE) K2=1; else if(P0==0xBE) K3=1; else K4=1; */ } void lcddata(unsigned char value) { lcdready(); ldata=value; rs=1; rw=0; en=1; Delay(1); en=0; return; } void lcdcmd(unsigned char value) { lcdready(); ldata=value; rs=0; rw=0; en=1; Delay(1); en=0; return; } void lcdready() { busy=1; rs=0; rw=1; while(busy==1) { en=0; Delay(1); en=1; } return; } void SpdLcd(uchar value) //LCD 速度显示 { uchar ge,shi,bai,temp; ge=value%10; temp=value/10; shi=temp%10; bai=temp/10; lcdcmd(0x01); lcdcmd(0x80); lcddata(keypad[bai]); //lcdcmd(0x14); lcddata(keypad[shi]); //lcdcmd(0x14); lcddata(keypad[ge]); } void CounterLcd(void) //LCD记数显示 { g++; if(g==10) { s++; g=0; if(s==10) { b++; s=0; } } //lcdcmd(0x01); lcdcmd(0xC0); lcddata(keypad[b]); lcddata(keypad[s]); lcddata(keypad[g]); } void Delay(unsigned int value) { uint x,y; for(x=0; x < value; x++) for(y=0; y<1275;y++); }