/* 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" #include "avr/io.h" extern uint8_t vitesse_ascenseur_m; extern uint8_t vitesse_ascenseur_d; extern uint8_t vitesse_montee_max; extern uint8_t vitesse_descente_max; extern uint8_t accel_montee; extern uint8_t accel_descente; #define TC_STOP 0x00 #define TC_GO 0x1f /* mode CTC | OC2 | prescaler = 128. */ /* +AutoDec */ /* -AutoDec */ void ascenseur_init() { TCCR2 = TC_STOP; vitesse_ascenseur_m = 0xF0; vitesse_ascenseur_d = 0xF0; vitesse_montee_max = 0x20; vitesse_descente_max = 0x32; accel_montee = 3; accel_descente = 3; } void asc_haut(uint8_t valeur) { TCCR2 = TC_GO; OCR2 = valeur; PORTB |= _BV(0); // sens PORTD |= _BV(6); // on enable } void asc_bas(uint8_t valeur) { TCCR2 = TC_GO; OCR2 = valeur; PORTB &= ~_BV(0); PORTD |= _BV(6); } void asc_stable(uint8_t valeur) { TCCR2 = TC_STOP; PORTB |= _BV(0); PORTD |= _BV(6); } uint8_t capteur_bas() { return PINA & _BV(CAPTEUR_BAS); } uint8_t capteur_haut() { return PINA & _BV(CAPTEUR_HAUT); } uint8_t capteur_milieu() { return PINA & _BV(CAPTEUR_MILIEU); }