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/** @addtogroup exti_defines
*
* @author @htmlonly © @endhtmlonly 2010
* Mark Butler <mbutler@physics.otago.ac.nz>
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/** @cond */
#if defined(LIBOPENCM3_EXTI_H)
/** @endcond */
#ifndef LIBOPENCM3_EXTI_COMMON_ALL_H
#define LIBOPENCM3_EXTI_COMMON_ALL_H
/**@{*/
/* --- EXTI registers ------------------------------------------------------ */
#define EXTI_IMR MMIO32(EXTI_BASE + 0x00)
#define EXTI_EMR MMIO32(EXTI_BASE + 0x04)
#define EXTI_RTSR MMIO32(EXTI_BASE + 0x08)
#define EXTI_FTSR MMIO32(EXTI_BASE + 0x0c)
#define EXTI_SWIER MMIO32(EXTI_BASE + 0x10)
#define EXTI_PR MMIO32(EXTI_BASE + 0x14)
/* EXTI number definitions */
#define EXTI0 (1 << 0)
#define EXTI1 (1 << 1)
#define EXTI2 (1 << 2)
#define EXTI3 (1 << 3)
#define EXTI4 (1 << 4)
#define EXTI5 (1 << 5)
#define EXTI6 (1 << 6)
#define EXTI7 (1 << 7)
#define EXTI8 (1 << 8)
#define EXTI9 (1 << 9)
#define EXTI10 (1 << 10)
#define EXTI11 (1 << 11)
#define EXTI12 (1 << 12)
#define EXTI13 (1 << 13)
#define EXTI14 (1 << 14)
#define EXTI15 (1 << 15)
#define EXTI16 (1 << 16)
#define EXTI17 (1 << 17)
#define EXTI18 (1 << 18)
#define EXTI19 (1 << 19)
/* Trigger types */
enum exti_trigger_type {
EXTI_TRIGGER_RISING,
EXTI_TRIGGER_FALLING,
EXTI_TRIGGER_BOTH,
};
BEGIN_DECLS
void exti_set_trigger(uint32_t extis, enum exti_trigger_type trig);
void exti_enable_request(uint32_t extis);
void exti_disable_request(uint32_t extis);
void exti_reset_request(uint32_t extis);
void exti_select_source(uint32_t exti, uint32_t gpioport);
uint32_t exti_get_flag_status(uint32_t exti);
END_DECLS
/**@}*/
#endif
/** @cond */
#else
#warning "exti_common_all.h should not be included directly, only via exti.h"
#endif
/** @endcond */
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