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.
21 #define AO_EXTI_MODE_RISING 1
22 #define AO_EXTI_MODE_FALLING 2
23 #define AO_EXTI_MODE_PULL_UP 4
24 #define AO_EXTI_MODE_PULL_DOWN 8
27 ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)());
30 ao_exti_set_callback(struct stm_gpio *gpio, uint8_t pin, void (*callback)());
33 ao_exti_enable(struct stm_gpio *gpio, uint8_t pin);
36 ao_exti_disable(struct stm_gpio *gpio, uint8_t pin);
41 #endif /* _AO_EXTI_H_ */