写了两天的步进电机速度调节程序，还是没成功，高手来指点一下啊

beyond_ic 2011-2-27 23:32 楼主

启动加速过程，正反转控制已经基本实现，现在就是速度调节有问题，不能调节，请高手指点

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar code FFW[8]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09};//转动数组
uchar code REV[8]={0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1};
uchar ffw_down,rev_down,speed_up_down,speed_down_down,stop_down;
uchar ffw_flag,rev_flag,speed_up_flag,speed_down_flag,stop_flag;//变量定义
int i,j,pp,ss,ttt,SET;

int TT = 30;
int kk = 20;

sbit ffw_moto = P3^4; //正转
sbit rev_moto = P3^5; //反转
sbit speed_up = P3^6; //加速
sbit speed_down = P3^7; //减速
sbit stop_moto = P3^2; //停止

/****************按键延迟函数**********/
void delay(int tt)
{
uchar a,b;
for(a = tt;a > 0;a --)
for(b = 0;b < 120;b ++);
}

/*************中断初始化***************/
void timer0_init(void)
{
SET = 2000;
    TMOD = 0x01;
TR0 = 0;
    TH0=(65535 - SET) / 256;
    TL0=(65535 - SET) % 256;
TR0 = 1;
ET0 = 1;
    EA=1;
}

/***************按键扫描****************/
void key_scan(void)
{
if(ffw_moto == 0)
{
  delay(10);
  if(ffw_moto == 0) ffw_down = 1;
  if((ffw_down == 1)&&(ffw_moto == 1))
  {
   ffw_down = 0;
   ffw_flag = 1;
   rev_flag =0;
   stop_flag = 0;
  }
}
if(rev_moto == 0)
{
  delay(10);
  if(rev_moto == 0)rev_down = 1;
  if((rev_down == 1)&&(rev_moto == 1))
  {
   rev_down = 0;
   rev_flag = 1;
   ffw_flag = 0;
   stop_flag = 0;
  }
}
if(speed_up == 0)
{
  delay(10);
  if(speed_up == 0) speed_up_down = 1;
  if((speed_up_down == 1)&&(speed_up == 1))
  {
   speed_up_down = 0;
   speed_up_flag = 1;
   speed_down_flag = 0;
   stop_flag = 0;
  }
}
if(speed_down == 0)
{
  delay(10);
  if(speed_down == 0)speed_down_down = 1;
  if((speed_down_down == 1) && (speed_down == 1))
  {
   speed_down_down = 0;
   speed_down_flag = 1;
   speed_up_flag = 0;
   stop_flag = 0;
  }
}
if(stop_moto == 0)
{
  delay(10);
  if(stop_moto == 0) stop_down = 1;
  if((stop_down == 1)&&(stop_moto == 1))
  {
   stop_down = 0;
   stop_flag = 1;
   ffw_flag = 0;
   rev_flag = 0;
   speed_up_flag = 0;
   speed_down_flag = 0;
  }
}

}

/*****************按键处理函数******************/
void key_chuli(void)
{
key_scan();
if(speed_down_flag == 1)   // 加速按键变量处理
{
  kk = kk - 1;
  if(kk < 1) kk = 1;
}
if(speed_up_flag == 1)   //减速按键变量处理
{
  kk = kk + 1;
  if(kk > 100)kk = 100;
}
if(stop_flag == 1) // 停止按键处理
{
  P1 = 0x00;
}
}

void timer0_isr(void) interrupt 1
{
TR0 = 0;
ET0 = 0;
    TH0=(65535-SET)/256;
    TL0=(65535-SET)%256;
TR0 = 1;
ET0 = 1;
/*************** 电机转动速度调节*********************/
  ss ++;
if(ss >= kk)
{
  ss = 0;
/******************启动加速阶段处理*********************/
  ttt --;
  if(ttt <= 1)
  {
   if(j < TT)
   {
    j++;
    ttt = TT - j;
    }
   else
    j = TT;
   if(ttt <= 1) ttt = 0;

/*****************电机正向反向转动控制**********************/
   if(ffw_flag == 1)
   {
    P1 = FFW; //正转数组
    i++;
    if(i >= 8)i = 0;
   }

   if(rev_flag == 1)
   {
    P1 = REV; // 反转数组
    i++;
    if(i >= 8)i = 0;
   }
  }

}

}

void main(void)
{
ttt = TT;
timer0_init();
   while(1)
    {
  key_chuli();
}
}

回复评论（7）

沙发 beyond_ic

没人理我啊，伤心啊

点赞 2011-2-28 19:25

板凳 zhen2528

回复沙发 beyond_ic 的帖子

我都不会写

欢迎大家一起交流！！！！

点赞 2011-2-28 23:52

4楼 luckfrog

以下程序已调通，供LZ参考。

void main()
{
  uchar keyValueRead;
  target_init();
  moterState=MOTER_STOP;
  timer0Count=0x00;
  moterAddReduce=0x00;
  moterStep=0x00;
  moterSpeed=0x00;
  moterSpeedMax=0x00; //默认停止
  moterDirect=0x00;       //默认停止
  moter_state_display(MOTER_STOP);
  display_is_ok=1;
  sei();
  while(1)
  {
keyValueRead=get_key_value();
switch(keyValueRead)
{
   case KEY_FRONT:    //正转
   {
      moterState=MOTER_FRONT_LOWER;
moterDirect=0x01;
moterSpeedMax=MOTER_SPEED_MIN;
display_is_ok=0;
//moter_state_display(MOTER_FRONT_LOWER);
break;
   }
   case KEY_QUEEN:    //反转
   {
      moterState=MOTER_QUEEN_LOWER;
moterDirect=0x02;
moterSpeedMax=MOTER_SPEED_MIN;
display_is_ok=0;
//moter_state_display(MOTER_QUEEN_LOWER);
break;
   }
   case KEY_ADD:    //加速
   {
      speedDirect=0x01;
      moterAddReduce=100;
display_is_ok=0;
if(moterDirect==0x01)  //正转
   moter_state_display(MOTER_FRONT_ADD);
else if(moterDirect==0x02)
         moter_state_display(MOTER_QUEEN_ADD);
break;
   }
   case KEY_REDUCE:    //减速
   {
speedDirect=0x02;
      moterAddReduce=100;
display_is_ok=0;
if(moterDirect==0x01) //正转
   moter_state_display(MOTER_FRONT_REDUCE);
else if(moterDirect==0x02)
        moter_state_display(MOTER_QUEEN_REDUCE);
break;
   }
   case KEY_STOP:    //停止
   {
      moterState=MOTER_STOP;
      moterSpeedMax=0x00; //默认停止
      moterDirect=0x00;    //默认停止
moter_state_display(MOTER_STOP);
display_is_ok=1;
break;
   }
   default:
      break;
}
if(display_is_ok==0)
{
   switch(moterSpeedMax)
   {
      case MOTER_SPEED_NORMAL:
      {
         if(moterDirect==0x01)
      moter_state_display(MOTER_FRONT_NORMAL);
   else if(moterDirect==0x02)
      moter_state_display(MOTER_QUEEN_NOMAL);
   display_is_ok=1;
         break;
      }
      case MOTER_SPEED_MIN:
      {
      if(moterDirect==0x01)
      moter_state_display(MOTER_FRONT_LOWER);
   else if(moterDirect==0x02)
      moter_state_display(MOTER_QUEEN_LOWER);
   display_is_ok=1;
      break;
      }
      default:
      break;
   }
}
  }
}
void timer0_overflow(void) interrupt 1 //timer0定时5ms
{
TH0=0xEE;    //定时10ms
TL0=0x00;
if(timer0Count    timer0Count++;
else
{
   timer0Count=0x00;
   if(speedDirect==0x01)
   {
   if(moterSpeedMax>MOTER_SPEED_NORMAL)
      moterSpeedMax--;
   else
   {
      moterAddReduce=0x00;
   speedDirect=0x00;
   }
   }
   else if(speedDirect==0x02)
   {
   if(moterSpeedMax       moterSpeedMax++;
      else
      {
      moterAddReduce=0x00;
   speedDirect=0x00;
      }
   }
}
if(moterSpeed    moterSpeed++;
else
{
   moterSpeed=0x00;
   if(moterDirect==0x01) //正转
   {
   if(moterStep>0x00)
      moterStep--;
   else
      moterStep=0x07;
   }
   else if(moterDirect==0x02) //反转
      {
      if(moterStep<0x07)
            moterStep++;
         else
            moterStep=0x00;
      }
   ground(moterStep);
}
}

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点赞 2011-3-1 19:52

5楼 eeleader

楼上的兄弟很好,建议发一个奖励!

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点赞 2011-3-2 09:00