/* ascenseur.c */ /* n.avr.carte_capteurs - AVR Carte_capteur Module. {{{ * * Copyright (C) 2005 Dalmais Romain * * 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. * * Contact : * Web: http://perso.efrei.fr/~dalmais * Email: * }}} */ #include "ascenseur.h" /* +AutoDec */ /* -AutoDec */ extern uint8_t clk ; // clock de la machine d'état. uint8_t sens_ascenseur = 0; void ascenseur_init() { sens_ascenseur = 0; TCCR2 = 0x0C ; // mode CTC | pas de OC2 | prescaler = 128 } void asc_haut(uint8_t valeur) { TCNT2 = valeur; sens_ascenseur = MONTE; } void asc_bas(uint8_t valeur) { TCNT2 = valeur; sens_ascenseur = DESCEND; } void asc_stable(uint8_t valeur) { TCNT2 = valeur; sens_ascenseur = MONTE; } uint8_t capteur_bas() { return (PORTA & _BV(CAPTEUR_BAS)) ; } uint8_t capteur_haut() { return (PORTA & _BV(CAPTEUR_HAUT)) ; } uint8_t capteur_milieu() { return (PORTA & _BV(CAPTEUR_MILIEU)) ; }