nuttx/arch/arm/src/stm32/stm32_exti_pwr.h

72 lines
3.0 KiB
C

/****************************************************************************
* arch/arm/src/stm32/stm32_exti_pwr.h
*
* Copyright (C) 2015 Haltian Ltd. All rights reserved.
* Authors: Dmitry Nikolaev <dmitry.nikolaev@haltian.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef STM32_EXTI_PWR_H_
#define STM32_EXTI_PWR_H_
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdbool.h>
#include <nuttx/irq.h>
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: stm32_exti_pvd
*
* Description:
* Sets/clears EXTI PVD interrupt.
*
* Parameters:
* - rising/falling edge: enables interrupt on rising/falling edge
* - event: generate event when set
* - func: when non-NULL, generate interrupt
*
* Returns:
* The previous value of the interrupt handler function pointer. This
* value may, for example, be used to restore the previous handler when
* multiple handlers are used.
*
****************************************************************************/
xcpt_t stm32_exti_pvd(bool risingedge, bool fallingedge, bool event,
xcpt_t func);
#endif /* STM32_EXTI_PWR_H_ */