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/*
* 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; 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.
*/
#ifndef _AO_EXTI_H_
#define _AO_EXTI_H_
#define AO_EXTI_MODE_RISING 1
#define AO_EXTI_MODE_FALLING 2
#define AO_EXTI_MODE_PULL_UP 4
#define AO_EXTI_MODE_PULL_DOWN 8
#define AO_EXTI_PRIORITY_LOW 16
#define AO_EXTI_PRIORITY_MED 0
#define AO_EXTI_PRIORITY_HIGH 32
extern void (*ao_int_callback)(void);
#define ao_exti_setup(gpio, pin, mode, callback) do { \
ao_int_callback = callback; \
} while (0)
#define ao_exti_set_mode(gpio, pin, mode) do { \
} while (0)
#define ao_exti_set_callback(port, pin, callback) do { \
ao_int_callback = callback; \
} while (0)
#define ao_exti_init()
#define ao_exti_enable(port, pin) do { \
P0IFG &= ~(1 << pin); \
P0IF = 0; \
PICTL |= PICTL_P0IENL; \
IEN1 |= IEN1_P0IE; \
} while (0)
#define ao_exti_disable(port, pin) do { \
IEN1 &= ~IEN1_P0IE; \
PICTL &= ~PICTL_P0IENL; \
} while (0)
#endif /* _AO_EXTI_H_ */
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