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#ifndef gpio_h
#define gpio_h
// gpio.h
// nono - programme du robot 2004. {{{
//
// Copyright (C) 2004 Nicolas Schodet
//
// Robot APB Team/Efrei 2004.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// This program 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 2 of the License, or
// (at your option) any later version.
// 
// This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}

/// General Purpose Input/Output.
class Gpio
{
  public:
    /// Destructeur.
    virtual ~Gpio (void);
    /// Change plusieurs sorties.
    virtual void set (int n, unsigned int bits, int nb);
    /// Change une sortie.
    virtual void set (int n, unsigned int bit);
    /// Racourci pour mettre � 1.
    void set (int n)
      { set (n, 1); }
    /// Racourci pour mettre � 0.
    void reset (int n)
      { set (n, 0); }
    /// Lit plusieurs entr�es.
    virtual unsigned int get (int n, int nb);
    /// Lit une entr�e.
    virtual unsigned int get (int n);
    /// Change la direction de plusieurs I/O.
    virtual void dir (int n, unsigned int bits, int nb);
    /// Change la direction d'un I/O (1 pour I, 0 pour O).
    virtual void dir (int n, unsigned int bit);
    /// Met � jour.
    virtual void update (void);
    /// R�cup�re le nombre d'entr�es/sorties.
    virtual int getNbIo (void);
};

#endif // gpio_h