单片机控制步进电机程序c语言正反转停止,51单片机控制步进电机正反转并实现调速的程序设计…

这是一款51单片机控制步进电机正反转的程序，同时还能实现调速。

#include”reg51.h“

#include “intrins.h”

#define uchar unsigned char

#define uint unsigned int

#define delayNOP(); {_nop_();_nop_();_nop_();_nop_();};

unsigned char code FFW［8］={0xfe，0xfc，0xfd，0xf9，0xfb，0xf3，0xf7，0xf6}; //？？

unsigned char code REV［8］={0xf6，0xf7，0xf3，0xfb，0xf9，0xfd，0xfc，0xfe}; //？？

//unsigned char code FFW［8］={0x01，0x03，0x02，0x06，0x04，0x0c，0x08，0x09}; //？？

//unsigned char code REV［8］={0x09，0x08，0x0c，0x04，0x06，0x02，0x03，0x01}; //？？

sbit K1 = P3^2; //？？？？？

sbit K2 = P3^3; //？？？？

sbit K3 = P3^4; //？？？？

sbit K4 = P3^5; //？？？？

sbit LCD_RS = P2^0;

sbit LCD_RW = P2^1;

sbit LCD_EN = P2^2;

bit on_off=0; //？？？？？？？

bit direction=1; //？？？？

bit rate_dr=1; //？？？？

bit snum_dr=1; //？？？？

uchar code cdis1［ ］ = {“NO.0738230126 ”};

uchar code cdis2［ ］ = {“ 2012/5/24”};

uchar code cdis3［ ］ = {“ STOP ”};

uchar code cdis4［ ］ = {“NUM： RATE： ”};

uchar code cdis5［ ］ = {“ RUNNING ”};

uchar m，v=0，q=0;

uchar number=0，number1=0;

uchar snum=20，snum1=20; //？？？？？

uchar rate=3; //？？？？？

uchar data_temp，data_temP0，data_temp2;

void delay(uint t)

{

uchar k;

while(t–)

{

for(k=0; k《124; k++)

{ }

}

}

void delayB(uchar x) //x*0.14MS

{

uchar i;

while(x–)

{

for (i=0; i《13; i++)

{ }

}

}

bit lcd_busy()

{

bit result;

LCD_RS = 0;

LCD_RW = 1;

LCD_EN = 1;

delayNOP();

result = (bit)(P0&0x80);

LCD_EN = 0;

return(result);

}

void lcd_wcmd(uchar cmd)

{

while(lcd_busy());

LCD_RS = 0;

LCD_RW = 0;

LCD_EN = 0;

_nop_();

_nop_();

P0 = cmd;

delayNOP();

LCD_EN = 1;

delayNOP();

LCD_EN = 0;

}

void lcd_wdat(uchar dat)

{

while(lcd_busy());

LCD_RS = 1;

LCD_RW = 0;

LCD_EN = 0;

P0 = dat;

delayNOP();

LCD_EN = 1;

delayNOP();

LCD_EN = 0;

}

void lcd_init()

{

delay(30);

lcd_wcmd(0x38); //16*2？？，5*7？？，8？？？

delay(5);

lcd_wcmd(0x38);

delay(5);

lcd_wcmd(0x38);

delay(5);

lcd_wcmd(0x0c); //？？？，？？？

delay(5);

lcd_wcmd(0x06); //？？？？

delay(5);

lcd_wcmd(0x01); //？？LCD？？？？？

delay(5);

}

void lcd_pos(uchar pos)

{

lcd_wcmd(pos | 0x80); //？？？？=80+？？？？

}

void LCD_init_DIS()

{

delay(10); //？？

lcd_init(); //？？？LCD

lcd_pos(0); //？？？？？？？？？？？？1？？？

m = 0;

while(cdis1［m］ ！= ‘’)

{ //？？？？

lcd_wdat(cdis1［m］);

m++;

}

lcd_pos(0x40); //？？？？？？？？？？？1？？？

m = 0;

while(cdis2［m］ ！= ‘’)

{

lcd_wdat(cdis2［m］); //？？？？

m++;

}

delay(3000); //？？

lcd_pos(0); //？？？？？？？？？？？？1？？？

m = 0;

while(cdis3［m］ ！= ‘’)

{ //？？？？

lcd_wdat(cdis3［m］);

m++;

}

lcd_pos(0x40); //？？？？？？？？？？？1？？？

m = 0;

while(cdis4［m］ ！= ‘’)

{

lcd_wdat(cdis4［m］); //？？？？

m++;

}

for(m=0;m《2;m++)

{

lcd_pos(0x0c+m); //？？？？？？

lcd_wdat(0x3e);

}

}

void data_conv()

{

data_temP0=data_temp/10; //？？

if(data_temP0==0)

{data_temP0=0x20;} //？？？0？？？

else

{data_temP0=data_temP0+0x30;}

data_temp2=data_temp; //？？

data_temp2=data_temp2+0x30;

}

void data_dis()

{

data_temp = snum; //？？？？

data_conv();

lcd_pos(0x44);

lcd_wdat(data_temP0);

lcd_pos(0x45);

lcd_wdat(data_temp2);

data_temp = rate; //？？？？

data_conv();

lcd_pos(0x4d);

lcd_wdat(data_temP0);

lcd_pos(0x4e);

lcd_wdat(data_temp2);

}

void motor_DR()

{

if(di