久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: 51單片機舵機驅(qū)動程序 [打印本頁]

作者: 17719495093 時間: 2017-4-19 14:17
標題: 51單片機舵機驅(qū)動程序
      #include<reg52.h>
      #include <intrins.h>
      sbit Sevro_moto_pwm  = P2^0       ; //接舵機信號端輸入PWM信號調(diào)節(jié)速度
      unsigned char push_val_left=0;
         int pwm_val_left  = 0;//變量定義
      int pwm_val_left1  = 0;//變量定義
      unsigned long S=0;
      unsigned long S1=0;
      unsigned long S2=0;
      unsigned long S3=0;
      unsigned long S4=0;
      unsigned int  time=0;                      //時間變量
      unsigned int  timer=0;                      //延時基準變量
      unsigned char timer1=0;                      //掃描時間變量

/************************************************************************/
/*                   PWM信號產(chǎn)生控制舵機                            */
/************************************************************************/
/*                                                                   */
/*調(diào)節(jié)push_val_left的值改變電機轉(zhuǎn)速,占空比          */
void delay(void)
{
unsigned int i,j;
for(i=0;i<=500;i++)
for(j=110;j>0;j--);

}

void pwm_Servomoto(void)
{

if(pwm_val_left<=push_val_left)       //0
            Sevro_moto_pwm=1;
      else
            Sevro_moto_pwm=0;
      if(pwm_val_left>=200)
         pwm_val_left=0;

}

void pwm_Servomoto1(void)
{

if(pwm_val_left1<=20)  //135

            Sevro_moto_pwm=1;
      else
            Sevro_moto_pwm=0;

      if(pwm_val_left1>=200)
         pwm_val_left1=0;

}

/***************************************************/
///*TIMER1中斷服務子函數(shù)產(chǎn)生PWM信號*/
void time1()interrupt 3 using 2
{
   TH1=(65536-100)/256;       //100US定時
      TL1=(65536-100)%256;
                        //定時器100US為準。在這個基礎(chǔ)上延時
      pwm_val_left++;

      pwm_val_left1++;
   //       S1++;
   pwm_Servomoto();
// pwm_Servomoto1();

}

/***************************************************/

void main(void)
{

      TMOD=0X11;
      TH1=(65536-100)/256;       //100US定時
      TL1=(65536-100)%256;
      TH0=0;
      TL0=0;
      TR1= 1;
      ET1= 1;
      ET0= 1;
      EA = 1;


//unsigned char push_val_left=15;       //舵機歸中

      while(1)                      /*無限循環(huán)*/
      {
   push_val_left=5;
      // delay();
         delay();

         push_val_left=20;
      //       delay();
            delay();

      }



}

歡迎光臨 (http://www.zg4o1577.cn/bbs/)

<pre id="wa2uy"></pre>

<strike id="wa2uy"></strike>