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// gpio_param.cc
// 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.
//
// }}}
#include "gpio_param.h"
#include "config/config.h"

/// Constructeur.
GpioParam::GpioParam (Gpio &gpio)
    : gpio_ (gpio)
{
    Config rc ("rc/gpio");
    std::string name, io;
    int n;
    while (!rc.eof ())
      {
	if (rc.isId ("io"))
	  {
	    rc.getId ();
	    rc.getId (name);
	    if (rc.isId ())
	      {
		rc.getId (io);
		n = gpio.getByName (io);
		if (n == -1)
		    throw std::runtime_error
			(std::string ("gpio param: no io named ") + io);
	      }
	    else
	      {
		rc >> n;
	      }
	    names_[name] = n;
	  }
	else
	    rc.noId ();
      }
}

/// Change plusieurs sorties.
void
GpioParam::set (int n, unsigned int bits, int nb)
{
    gpio_.set (n, bits, nb);
}

/// Change une sortie.
void
GpioParam::set (int n, unsigned int bit)
{
    gpio_.set (n, bit);
}

/// Lit plusieurs entr�es.
unsigned int
GpioParam::get (int n, int nb)
{
    return gpio_.get (n, nb);
}

/// Lit une entr�e.
unsigned int
GpioParam::get (int n)
{
    return gpio_.get (n);
}

/// Change la direction de plusieurs I/O.
void
GpioParam::dir (int n, unsigned int bits, int nb)
{
    gpio_.dir (n, bits, nb);
}

/// Change la direction d'un I/O (1 pour I, 0 pour O).
void
GpioParam::dir (int n, unsigned int bit)
{
    gpio_.dir (n, bit);
}

/// Met � jour.
void
GpioParam::update (void)
{
    gpio_.update ();
}

/// R�cup�re le nombre d'entr�es/sorties.
int
GpioParam::getNbIo (void) const
{
    return gpio_.getNbIo ();
}

/// R�cup�re une entr�e/sortie par son nom.
int
GpioParam::getByName (const std::string &name) const
{
    Names::const_iterator i = names_.find (name);
    if (i != names_.end ())
	return i->second;
    else
	return gpio_.getByName (name);
}