/*
  DigitalInputFirmata.h - Firmata library
  Copyright (C) 2006-2008 Hans-Christoph Steiner.  All rights reserved.
  Copyright (C) 2010-2011 Paul Stoffregen.  All rights reserved.
  Copyright (C) 2009 Shigeru Kobayashi.  All rights reserved.
  Copyright (C) 2013 Norbert Truchsess. All rights reserved.
  Copyright (C) 2009-2015 Jeff Hoefs.  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 DigitalInputFirmata_h
#define DigitalInputFirmata_h

#include <ConfigurableFirmata.h>
#include "FirmataFeature.h"

void reportDigitalInputCallback(byte port, int value);

class DigitalInputFirmata: public FirmataFeature
{
  public:
    DigitalInputFirmata();
    void reportDigital(byte port, int value);
    void report(void);
    void handleCapability(byte pin);
    boolean handleSysex(byte command, byte argc, byte* argv);
    boolean handlePinMode(byte pin, int mode);
    void reset();

  private:
    /* digital input ports */
    byte reportPINs[TOTAL_PORTS];       // 1 = report this port, 0 = silence
    byte previousPINs[TOTAL_PORTS];     // previous 8 bits sent

    /* pins configuration */
    byte portConfigInputs[TOTAL_PORTS]; // each bit: 1 = pin in INPUT, 0 = anything else
    void outputPort(byte portNumber, byte portValue, byte forceSend);
};

#endif