【Intel Edison试用体验】七、控制步进电机小实验（PWM频率怎么设置？）

#include
#include "rgb_lcd.h"
#include

rgb_lcd lcd;
/*
* The background color of the lcd
*/
const int colorR = 255;
const int colorG = 255;
const int colorB = 255;

/*
* /the control pins of the motor
*/
const int DPinEn = 13;   //The pin to enable the motor
const int DPinDir = 12;   //The pin to control the direction of the motor
const int DPinPul = 11;  //The pin to give a pulse

const int timerInterval = 1*1000;  //1ms

const int APinRot = 1;  //The Rotary angle sensor

const int DPinLed = 2;  //The led
const int DPinKey = 3;  //The key
const int DPinRelay = 4;  //The relay
const int DPinTouch = 5;  //The touch sensor

void setup()
{
  lcd.begin(16, 2);
  lcd.setRGB(colorR, colorG, colorB);
  lcd.setCursor(0, 0);
  lcd.print("Speed:");
  lcd.setCursor(6, 1);
  lcd.print("jeffc_good");
  
  pinMode(DPinEn , OUTPUT);
  pinMode(DPinDir , OUTPUT);
  pinMode(DPinPul , OUTPUT);
  
  pinMode(DPinLed , OUTPUT);
  pinMode(DPinKey , INPUT);
  pinMode(DPinRelay ,OUTPUT);
  pinMode(DPinTouch , INPUT);
  Timer1.initialize(timerInterval);
  Timer1.attachInterrupt( MotorControl);
  attachInterrupt(DPinKey,interruptKeyControlRelay,RISING);
  attachInterrupt(DPinTouch,interruptTouchControlDirection,RISING);
}

void loop()
{
  digitalWrite(DPinEn, HIGH);
  int val = 0;
  val = analogRead(APinRot);
  val = map(val, 0, 1023, 0, 179);
  lcd.setCursor(7, 0);
  lcd.print(val);
}

void MotorControl()
{
   digitalWrite(DPinPul, !digitalRead(DPinPul));

}

void interruptKeyControlRelay()
{
   digitalWrite(DPinRelay, !digitalRead(DPinRelay));
   digitalWrite(DPinLed, !digitalRead(DPinLed));
}

void interruptTouchControlDirection()
{
  digitalWrite(DPinDir, !digitalRead(DPinDir));
}

/*********************************************************************************************************
  END FILE
*********************************************************************************************************/