基于51单片机和Proteus仿真的天车控制系统

ID:517871 · 发表于 2019-5-9 17:26

#include "AT89X52.h"
#include "intrins.h"

// Definition for output port and input pins
#define out_port  P3

unsigned char const sequence[8] = {0x02,0x06,0x04,0x0c,0x08,0x09,0x01,0x03};

sbit key_for = P1 ^ 2;
sbit key_rev = P1 ^ 3;

sbit Inc = P1 ^ 0;
sbit Dec = P1 ^ 1;
sbit Dir = P2 ^ 0;
sbit PWM = P2 ^ 1;

int speed;

void delay(unsigned int j)
{
  for(; j>0; j--);
}
void delayms(unsigned int j)
{
  unsigned char i;
  for(; j>0; j--)
  {
i = 120;
while (i--);
  }
}

void DCMotoDeal(void)
{
   if(!Inc)
   {
      speed = speed > 0 ? speed - 1 : 0;
   }
   if(!Dec)
   {
      speed = speed < 500 ? speed + 1 : 500;
   }
   PWM=1;
   delay(speed);
   PWM=0;
   delay(500-speed);
}

void StepMotoDeal(void)
{
unsigned char i;
if (!key_for)
{
   i = i<8 ? i+1 : 0;
      out_port = sequence[i];
      delayms(50);
}
else if (!key_rev)
{
      i = i>0 ? i-1 : 7;
      out_port = sequence[i];
      delayms(50);
}
}

void main(void)
{
// 选择方向和时间
Dir = 1;
if (Dir)
{
   speed = 400;
}
else
{
   speed = 100;
}
out_port = 0x03;
while(1)
{
   DCMotoDeal();
   StepMotoDeal();
}
}

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