/*
  Encoder7Bit.h - Firmata library
  Copyright (C) 2012-2013 Norbert Truchsess. All rights reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  See file LICENSE.txt for further informations on licensing terms.
*/

#ifndef Encoder7Bit_h
#define Encoder7Bit_h
#include <Arduino.h>

#define num7BitOutbytes(a)(((a)*7)>>3)

class Encoder7BitClass
{
  public:
    Encoder7BitClass();
    void startBinaryWrite();
    void endBinaryWrite();
    void writeBinary(byte data);
    void readBinary(int outBytes, byte *inData, byte *outData);

  private:
    byte previous;
    int shift;
};

extern Encoder7BitClass Encoder7Bit;

#endif