//**********************************************************************
//
// Keyer, a part of nanoIO
//
//  nanoIO paddle keyer (c) 2018, David Freese, W1HKJ
//
//  based on code from Iambic Keyer Code Keyer Sketch
//  Copyright (c) 2009 Steven T. Elliott
//
// nanoIO is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// nanoIO is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with fldigi.  If not, see <http://www.gnu.org/licenses/>.
//
//Revisions:
//
//1.0.0:  Initial release
//
//**********************************************************************


#ifndef __Keyer_h__
#define __Keyer_h__

#define IAMBICA 0
#define IAMBICB 1
#define STRAIGHT 2

#define KEYER_LEFT_PADDLE_PIN   17
#define KEYER_RIGHT_PADDLE_PIN  16

class UBitxKeyer
{
public:
  UBitxKeyer(int wpm, float weight);
  //void cw_pin(int pin);
  //void ptt_pin(int pin);
  void setWPM(int wpm);
  inline int getWPM() { return speed; }
  void setWeight(float weight);
  inline float getWeight() { return symWeight; }
  inline void setMode(int mode) { keyMode = mode; }
  inline int  getMode() { return keyMode; }
  inline bool isDown() { return keyDown; }
 
  bool doPaddles();

private:
  void calcRatio();
  void updatePaddleLatch();

  bool keyDown;
  
  long ktimer;

  int speed;
  int dashLen;  // Length of dash
  int dotLen;   // Length of dot
  int spaceLen; // Length of space
  float symWeight;

  char keyerControl;
  char keyerState;
  int  keyMode;
};

extern UBitxKeyer& Keyer;

#endif

//======================================================================
// EOF
//======================================================================