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; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 #define AO_EXTI_MODE_RISING 1
23 #define AO_EXTI_MODE_FALLING 2
24 #define AO_EXTI_MODE_PULL_UP 4
25 #define AO_EXTI_MODE_PULL_DOWN 8
26 #define AO_EXTI_PRIORITY_LOW 16
27 #define AO_EXTI_PRIORITY_MED 0
28 #define AO_EXTI_PRIORITY_HIGH 32
30 extern void (*ao_int_callback)(void);
32 #define ao_exti_setup(gpio, pin, mode, callback) do { \
33 ao_int_callback = callback; \
36 #define ao_exti_set_mode(gpio, pin, mode) do { \
39 #define ao_exti_set_callback(port, pin, callback) do { \
40 ao_int_callback = callback; \
43 #define ao_exti_init()
45 #define ao_exti_enable(port, pin) do { \
46 P0IFG &= ~(1 << pin); \
48 PICTL |= PICTL_P0IENL; \
52 #define ao_exti_disable(port, pin) do { \
54 PICTL &= ~PICTL_P0IENL; \
57 #endif /* _AO_EXTI_H_ */