exti_common_v2.h

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/** @addtogroup exti_defines
 *
 * @author @htmlonly &copy; @endhtmlonly 2019 Guillaume Revaillot <g.revaillot@gmail.com>
 *
 */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2019 Guillaume Revaillot <g.revaillot@gmail.com>
 *
 * 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_V2_H
#define LIBOPENCM3_EXTI_COMMON_V2_H
 
/* --- EXTI registers ------------------------------------------------------ */
 
/** @defgroup exti_registers EXTI Registers
@{*/
/** EXTI Rising Trigger Selection Register 1 */
#define EXTI_RTSR1                      MMIO32(EXTI_BASE + 0x00)
#define EXTI_RTSR                       EXTI_RTSR1
 
/** EXTI Falling Trigger Selection Register 1 */
#define EXTI_FTSR1                      MMIO32(EXTI_BASE + 0x04)
#define EXTI_FTSR                       EXTI_FTSR1
 
/** EXTI Software Interrupt Event Register */
#define EXTI_SWIER1                     MMIO32(EXTI_BASE + 0x08)
 
/** EXTI Interrupt Mask Registers 1 */
#define EXTI_IMR1                       MMIO32(EXTI_BASE + 0x80)
#define EXTI_IMR                        EXTI_IMR1
 
/** EXTI Event Mask Registers 1 */
#define EXTI_EMR1                       MMIO32(EXTI_BASE + 0x84)
#define EXTI_EMR                        EXTI_EMR1
 
/** EXTI Interrupt Mask Registers 2 */
#define EXTI_IMR2                       MMIO32(EXTI_BASE + 0x90)
/** EXTI Event Mask Registers 2 */
#define EXTI_EMR2                       MMIO32(EXTI_BASE + 0x94)
/**@}*/
 
/* --- EXTI_EXTICR Values -------------------------------------------------*/
 
#define EXTI_EXTICR_FIELDSIZE           8
#define EXTI_EXTICR_GPIOA               0
#define EXTI_EXTICR_GPIOB               1
#define EXTI_EXTICR_GPIOC               2
#define EXTI_EXTICR_GPIOD               3
#define EXTI_EXTICR_GPIOE               4
#define EXTI_EXTICR_GPIOF               5
#define EXTI_EXTICR_GPIOG               6
#define EXTI_EXTICR_GPIOH               7
 
BEGIN_DECLS
 
uint32_t exti_get_rising_flag_status(uint32_t exti);
uint32_t exti_get_falling_flag_status(uint32_t exti);
 
void exti_reset_rising_request(uint32_t extis);
void exti_reset_falling_request(uint32_t extis);
 
END_DECLS
 
#endif
/** @cond */
#else
#warning "exti_common_v2.h should not be included directly, only via exti.h"
#endif
/** @endcond */
 
/**@}*/