2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 #ifndef _AO_COMPANION_H_
19 #define _AO_COMPANION_H_
23 #define AO_COMPANION_SETUP 1
24 #define AO_COMPANION_FETCH 2
25 #define AO_COMPANION_NOTIFY 3
27 struct ao_companion_command {
35 struct ao_companion_setup {
37 uint16_t board_id_inverse;
38 uint8_t update_period;
42 extern __pdata uint8_t ao_companion_running;
43 extern __xdata uint8_t ao_companion_mutex;
44 extern __xdata struct ao_companion_command ao_companion_command;
45 extern __xdata struct ao_companion_setup ao_companion_setup;
46 extern __xdata uint16_t ao_companion_data[AO_COMPANION_MAX_CHANNELS];
49 ao_companion_init(void);
51 #endif /* _AO_COMPANION_H_ */