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標題: 51單片機按鍵控制舵機程序 [打印本頁]

作者: xiou 時間: 2018-10-17 10:53
標題: 51單片機按鍵控制舵機程序

#include "reg52.h"
unsigned char count;    //0.5ms次數標識
sbit pwm =P1^0;       //PWM信號輸入
sbit jia =P3^3;          //??????角度增加?IO??
sbit jan =P3^2;          //???????角度減少?IO??
unsigned char jd;       //?????
void delay(unsigned char i)//???
{
  unsigned char j,k;
  for(j=i;j>0;j--)
for(k=125;k>0;k--);
}
void Time0_Init()       //??????????
{
TMOD = 0x01;          //?????0????????1
IE = 0x82;
TH0  = 0xfe;
TL0  = 0x33;    //11.0592MZ????0.5ms
TR0=1;                //????????
}
void Time0_Int() interrupt 1 //?ж????
{
TH0  = 0xfe;          //??????
TL0  = 0x33;
if(count< jd)             //?ж?0.5ms???????С??????
   pwm=1;                //??С???PWM???????
else
   pwm=0;                //?????????????
count=(count+1);       //0.5ms??????1
count=count%40;    //???????????40 ???????????20ms
}
void keyscan()             //按鍵掃描
{
if(jia==0)             //???????????????
  {
delay(10);             //?????????????
if(jia==0)             //??????
   {
   jd++;                //???????1
   count=0;             //???????? ??20ms?????????
   if(jd==6)
      jd=5;             //?????180???????
   while(jia==0);       //??????????
   }
  }
  if(jan==0)             //????С?????????
  {
delay(10);
if(jan==0)
   {
   jd--;                //???????1
   count=0;
   if(jd==0)
      jd=1;             //?????0???????
   while(jan==0);
   }
  }
}
void main()
{
jd=1;
count=0;
Time0_Init();
while(1)
{
  keyscan();             //???????

}
}

作者: xiou 時間: 2018-10-19 09:21
我想問一下要是高精度控制舵機轉角怎么調？比如說按一下轉5度

歡迎光臨 (http://m.raoushi.com/bbs/)

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