//******************************************************************************

// Copyright (C) 2015 Florian Feldbauer <florian@ep1.ruhr-uni-bochum.de>

//                    - University Mainz, Institute for nucular physics

//

// This file is part of drvAsynI2C

//

// drvAsynI2C 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.

//

// drvAsynI2C 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 this program; if not, write to the Free Software

// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

//

// version 1.0.0; Nov. 17, 2015

//******************************************************************************

#ifndef __ASYN_I2C_H__

#define __ASYN_I2C_H__

//_____ I N C L U D E S _______________________________________________________

// ANSI C includes

// EPICS includes

//#include <epicsTimer.h>

// local includes

#include "asynPortDriver.h"

//_____ D E F I N I T I O N S __________________________________________________

//! @brief   asynPortDriver for I2C

//!

class drvAsynI2C : public asynPortDriver {

 public:

  drvAsynI2C( const char *portName, const char *ttyName );

  // These are the methods that we override from asynPortDriver

  virtual asynStatus readOctet( asynUser *pasynUser, char *value, size_t maxChars,

                                size_t *nActual, int *eomReason );

  virtual asynStatus writeOctet( asynUser *pasynUser, char const *value, size_t maxChars,

                                 size_t *nActual );

//  virtual asynStatus readOption( asynUser *pasynUser, char const *key, char *value, int maxChars );

//  virtual asynStatus writeOption( asynUser *pasynUser, char const *key, char const *value );

  virtual asynStatus connect( asynUser *pasynUser );

  virtual asynStatus disconnect( asynUser *pasynUser );

  inline void timeout() { _timeout = true; }

 private:

  // Our data

  char* _deviceName;

  int   _fd;

  bool  _timeout;

  unsigned long  _i2cfuncs;

  int   _slaveAddress;

//  epicsTimerId       _timer;

//  epicsTimerQueueId  _timerQueue;

};

#endif