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flex.H

Go to the documentation of this file.

/*
 * Copyright 1997, Brown University, Providence, RI.
 * 
 *                         All Rights Reserved
 * 
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose other than its incorporation into a
 * commercial product is hereby granted without fee, provided that the
 * above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Brown University not be used in
 * advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.
 * 
 * BROWN UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ANY
 * PARTICULAR PURPOSE.  IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE FOR
 * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef FLEX_H
#define FLEX_H

#include "tty/tty.H"
#include "dev/discrete_contact.H"


#define MAX_CONTACTS_AT_ONCE 32

class DEVflex : public DEVdiscrete_contact, public TTYfd
{
 protected:
   str_ptr            _serialport;
   int                _baud;

   unsigned char c1table[256];
   unsigned char c2table[256];


   unsigned char _downBut[MAX_CONTACTS_AT_ONCE];
   unsigned char _moveBut[MAX_CONTACTS_AT_ONCE];
   unsigned char _upBut[MAX_CONTACTS_AT_ONCE];
   int _numDown;
   int _numMove;
   int _numUp;

   enum op {up = 0, down, strange};
   op  _operation;

 public:
   virtual ~DEVflex() {}
            DEVflex(Cstr_ptr &devname);

   virtual bool        activate();
   virtual bool        deactivate();
   virtual void        sample();
};

#endif

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