// gpio.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.h" /// Destructeur. Gpio::~Gpio (void) { } /// Change plusieurs sorties. void Gpio::set (int n, unsigned int bits, int nb) { for (int i = 0; i < nb; ++i) { set (n + i, bits & 1); bits >>= 1; } } /// Change une sortie. void Gpio::set (int n, unsigned int bit) { } /// Lit plusieurs entrées. unsigned int Gpio::get (int n, int nb) { unsigned int bits = 0; for (int i = nb - 1; i >= 0; --i) { bits <<= 1; bits |= get (n + i) & 1; } return bits; } /// Lit une entrée. unsigned int Gpio::get (int n) { return 0; } /// Pré-lit plusieurs entrées. bool Gpio::preget (int n, int nb) { bool ok = true; for (int i = nb - 1; i >= 0; --i) { ok &= preget (n + i); } return ok; } /// Pré-lit une entrée. bool Gpio::preget (int n) { return true; } /// Change la direction de plusieurs I/O. void Gpio::dir (int n, unsigned int bits, int nb) { for (int i = 0; i < nb; ++i) { dir (n + i, bits & 1); bits >>= 1; } } /// Change la direction d'un I/O (1 pour I, 0 pour O). void Gpio::dir (int n, unsigned int bit) { }