PWM脉冲宽度调制与智能小车PWM直流电机调速程序2

ID:1108645 · 发表于 2024-1-9 15:42

#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char

sbit pwm=P1^0;

uint cycle,high,low;

void delay(uint t)
{
      while(t--);
}

void main()
{
      cycle=800;
      while(1)
      {
            for(high=1;high<=cycle;high++)
            {
                     pwm=1;
                     delay(high);
                     pwm=0;
                     low=cycle-high;
                     delay(low);
            }
            high=1;
            delay(60000);
      }
}

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