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-rw-r--r--digital/io/src/twi_master.h68
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diff --git a/digital/io/src/twi_master.h b/digital/io/src/twi_master.h
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-#ifndef twi_master_h
-#define twi_master_h
-/* twi_master.h */
-/* io - Input & Output with Artificial Intelligence (ai) support on AVR. {{{
- *
- * Copyright (C) 2010 Nicolas Schodet
- *
- * APBTeam:
- * Web: http://apbteam.org/
- * Email: team AT apbteam DOT org
- *
- * 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.
- *
- * }}} */
-
-/**
- * Handle communication as a master to several slaves.
- *
- * The communication protocol is always based on:
- * - a message sent to the slave with a command to execute,
- * - a status read from the slave containing the current slave state.
- *
- * The first byte of all messages is a CRC of the following bytes, called the
- * message payload.
- *
- * The first byte of payload sent to slave is the command sequence number. It
- * is used by the master to know if its command has been handled. The last
- * handled command sequence number is available in the slave status (third
- * byte).
- *
- * As long as the slave last command sequence number is not equal to the last
- * sent sequence number, the master can not send any other command. If the
- * slave do not acknowledge the command after a time out, the command is sent
- * again.
- *
- * Several commands can be stored by this module, it will defer their
- * transmission until the first command is acknowledged.
- */
-
-/** Initialise module. */
-void
-twi_master_init (void);
-
-/** Synchronise all slaves, return non zero if synchronised. */
-uint8_t
-twi_master_sync (void);
-
-/** Get a buffer to send a command to the corresponding slave. */
-uint8_t *
-twi_master_get_buffer (uint8_t slave);
-
-/** Send previously got buffer with the given length. */
-void
-twi_master_send_buffer (uint8_t length);
-
-#endif /* twi_master_h */