diff options
Diffstat (limited to 'src/drivers/ao_event.h')
| -rw-r--r-- | src/drivers/ao_event.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/drivers/ao_event.h b/src/drivers/ao_event.h new file mode 100644 index 00000000..25c49c35 --- /dev/null +++ b/src/drivers/ao_event.h @@ -0,0 +1,41 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * 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; version 2 of the License. + * + * 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. + */ + +#ifndef _AO_EVENT_H_ +#define _AO_EVENT_H_ + +#define AO_EVENT_NONE 0 +#define AO_EVENT_QUADRATURE 1 +#define AO_EVENT_BUTTON 2 + +struct ao_event { + uint8_t type; + uint8_t unit; + uint16_t tick; + uint32_t value; +}; + +uint8_t +ao_event_get(struct ao_event *ev); + +void +ao_event_put_isr(uint8_t type, uint8_t unit, uint32_t value); + +void +ao_event_put(uint8_t type, uint8_t unit, uint32_t value); + +#endif /* _AO_EVENT_H_ */ |