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LibrePilot/flight/PiOS/inc/pios_exti.h

57 lines
1.7 KiB
C

/**
******************************************************************************
*
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_EXTI External Interrupt Handlers
* @{
*
* @file pios_exti.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief External Interrupts Handlers header.
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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 3 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 PIOS_EXTI_H
#define PIOS_EXTI_H
/* Public Functions */
#include <pios_stm32.h>
struct pios_exti_cfg {
bool (* vector)(void);
uint32_t line; /* use EXTI_LineN macros */
struct stm32_gpio pin;
struct stm32_irq irq;
struct stm32_exti exti;
};
/* must be added to any pios_exti_cfg definition for it to be valid */
#define __exti_config __attribute__((section("_exti")))
extern int32_t PIOS_EXTI_Init(const struct pios_exti_cfg * cfg);
#endif /* PIOS_EXTI_H */
/**
* @}
* @}
*/