122 lines
4.3 KiB
C
122 lines
4.3 KiB
C
/****************************************************************************
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* arch/arm/src/stm32f7/stm32_exti.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32F7_STM32_EXTI_H
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#define __ARCH_ARM_SRC_STM32F7_STM32_EXTI_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include "chip.h"
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#include "chip/stm32_exti.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: stm32_gpiosetevent
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*
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* Description:
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* Sets/clears GPIO based event and interrupt triggers.
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*
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* Parameters:
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* - pinset: GPIO pin configuration
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* - risingedge: Enables interrupt on rising edges
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* - fallingedge: Enables interrupt on falling edges
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* - event: Generate event when set
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* - func: When non-NULL, generate interrupt
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*
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* Returns:
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* The previous value of the interrupt handler function pointer. This
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* value may, for example, be used to restore the previous handler when
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* multiple handlers are used.
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*
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****************************************************************************/
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xcpt_t stm32_gpiosetevent(uint32_t pinset, bool risingedge, bool fallingedge,
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bool event, xcpt_t func);
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/****************************************************************************
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* Name: stm32_exti_alarm
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*
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* Description:
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* Sets/clears EXTI alarm interrupt.
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*
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* Parameters:
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* - risingedge: Enables interrupt on rising edges
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* - fallingedge: Enables interrupt on falling edges
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* - event: Generate event when set
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* - func: When non-NULL, generate interrupt
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*
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* Returns:
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* The previous value of the interrupt handler function pointer. This
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* value may, for example, be used to restore the previous handler when
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* multiple handlers are used.
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_ALARM
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xcpt_t stm32_exti_alarm(bool risingedge, bool fallingedge, bool event, xcpt_t func);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_STM32F7_STM32_EXTI_H */
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