#ifndef twi_h #define twi_h /* twi.h */ /* avr.twi - TWI AVR module. {{{ * * Copyright (C) 2005 Demonchy Clément * * Robot APB Team/Efrei 2006. * 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 /** Initialise twi. */ void twi_init (uint8_t addr); #ifdef TWI_SLAVE_ENABLE /** Récupère dans buffer les données recues en tant qu'esclave */ uint8_t twi_sl_poll (uint8_t *buffer, uint8_t size); /** Met à jour le buffer de donnée à envoyer */ void twi_sl_update (uint8_t *buffer, uint8_t size); #endif /* TWI_SLAVE_ENABLE */ #ifdef TWI_MASTER_ENABLE /** Is the current transaction finished ? */ int8_t twi_ms_is_finished (void); /** Send len bytes of data to address */ int8_t twi_ms_send (uint8_t address, uint8_t *data, uint8_t len); /** Read len bytes at addresse en put them in data */ int8_t twi_ms_read (uint8_t address, uint8_t *data, uint8_t len); #endif /* TWI_MASTER_ENABLE */ #endif /* twi_h */