154 lines
5.1 KiB
C
154 lines
5.1 KiB
C
/****************************************************************************
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* arch/arm/src/stm32l4/stm32l4_exti.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32L4_STM32L4_EXTI_H
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#define __ARCH_ARM_SRC_STM32L4_STM32L4_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 "hardware/stm32l4_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: stm32l4_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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* Input 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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* arg - Argument passed to the interrupt callback
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*
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* Returned Value:
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* Zero (OK) is returned on success, otherwise a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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int stm32l4_gpiosetevent(uint32_t pinset, bool risingedge, bool fallingedge,
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bool event, xcpt_t func, void *arg);
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/****************************************************************************
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* Name: stm32l4_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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* Input Parameters:
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* - rising/falling edge: enables interrupt on rising/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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* - arg: Argument passed to the interrupt callback
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure indicating the
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* nature of the failure.
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_ALARM
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int stm32l4_exti_alarm(bool risingedge, bool fallingedge, bool event,
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xcpt_t func, void *arg);
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#endif
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/****************************************************************************
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* Name: stm32l4_exti_wakeup
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*
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* Description:
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* Sets/clears EXTI wakeup interrupt.
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*
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* Input Parameters:
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* - rising/falling edge: enables interrupt on rising/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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* - arg: Argument passed to the interrupt callback
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure indicating the
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* nature of the failure.
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_PERIODIC
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int stm32l4_exti_wakeup(bool risingedge, bool fallingedge, bool event,
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xcpt_t func, void *arg);
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#endif
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/****************************************************************************
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* Name: stm32l4_exti_comp
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*
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* Description:
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* Sets/clears comparator based events and interrupt triggers.
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*
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* Input Parameters:
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* - cmp: comparator
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* - rising/falling edge: enables interrupt on rising/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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* - arg: Argument passed to the interrupt callback
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*
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* Returned Value:
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* Zero (OK) returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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#ifdef CONFIG_STM32L4_COMP
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int stm32l4_exti_comp(int cmp, bool risingedge, bool fallingedge,
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bool event, xcpt_t func, void *arg);
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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_STM32L4_STM32L4_EXTI_H */
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