步进电机驱动监测（可正反转）

ID:315810 · 发表于 2018-4-28 21:39

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code zheng[]={
0xf3,0xf6,0xfc,0xf9};
uchar code fan[]={
0xf9,0xfc,0xf6,0xf3};
//uchar t;
bit flag=0;
uint shijian;
uchar temp;
void delay(uint z)
{
uint i,j;
for(i=0;i<z;i++)
for(j=0;j<80;j++);
}
/*void timer_init()
{
  TMOD=0X01;//???0,??1
  TH0=(65536-50000)/256;
  TL0=(65536-50000)%256;
  ET0=1;
  EA=1;
  TR0=1;
} */
void motor_z()
{
  uchar i;
  for(i=0;i<4;i++)
{
P2=zheng[i];
      delay(shijian);
}
}
void motor_f()
{
  uchar i;
  for(i=0;i<4;i++)
{
P2=fan[i];
      delay(shijian);
}
}
void keyscan()
{
  P3=0XFF;
  delay(1);
  if(P3!=0xff)
{
      temp=P3;
      switch(temp)
      {
         case 0xfe:
            {flag=~flag;break; }
            case 0xfd:
            {if(shijian<=60)
               {shijian=50;}
            else
            {shijian=shijian-100;}
            break;  }
            case 0xfb:
            {if(shijian>=600)
            {shijian=650;}
            else
            {shijian=shijian+100;}
            break;  }
            default : break;
      }
      while(temp==P3);
}
}
void main()
{
shijian=350;
  //timer_init();
  while(1)
{
   keyscan();
   if(flag==0)
      {
         motor_z();
      }
else
      {
            motor_f();
      }
}
}
/*void timer() interrupt 1
{
  TH0=(65536-50000)/256;
  TL0=(65536-50000)%256;
  if(t>=200)
{
t=0;
flag=~flag;
}
  t++;
} */

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