SoftwarePWM.h

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/* mbed Software PWM Library without using PWM pins
 * Copyright (c) 2012 Takashi Kojo
 * based and modified, Copyright (c) 2010 Jasper Denkers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
*/

#ifndef MBED_SOFTWAREPWM_H
#define MBED_SOFTWAREPWM_H

#include "mbed.h"

class SoftwarePWM
{

public:
  SoftwarePWM(PinName Pin);

  void SetPosition(int NewPos);

  void Enable(int StartPos, int Period);

  void Disable();

private:
  void StartPulse();
  void EndPulse();

  int Position;
  DigitalOut SoftwarePWMPin;
  Ticker Pulse;
  Timeout PulseStop;
};


extern SoftwarePWM Intensity[] ;
#define INTENSITY_FACTOR 10

#endif