mirror of
https://github.com/jialexd/sdk-ameba-v4.0c_180328.git
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121 lines
3.7 KiB
C
Executable file
121 lines
3.7 KiB
C
Executable file
/** mbed Microcontroller Library
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******************************************************************************
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* @file gpio_irq_api.h
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* @author
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* @version V1.0.0
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* @brief This file provides following mbed GPIO IRQ API
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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******************************************************************************
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*/
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#ifndef MBED_GPIO_IRQ_API_H
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#define MBED_GPIO_IRQ_API_H
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#include "device.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @addtogroup gpio_irq_api GPIO_IRQ
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* @ingroup hal
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* @brief gpio IRQ functions
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* @{
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*/
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///@name Ameba Common
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///@{
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typedef enum {
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IRQ_NONE,
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IRQ_RISE,
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IRQ_FALL
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} gpio_irq_event;
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typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);
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/**
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* @brief Initializes the GPIO device interrupt mode, include mode/trigger/polarity registers.
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* @param obj: gpio irq object define in application software.
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* @param pin: PinName according to pinmux spec.
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* @param handler: Interrupt handler to be assigned to the specified pin.
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* @param id: handler id.
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* @retval none
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* @note this API only works for Port A pins
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*/
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int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
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/**
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* @brief Deinitializes the GPIO device interrupt mode, include mode/trigger/polarity registers.
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* @param obj: gpio irq object define in application software.
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* @retval none
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* @note this API only works for Port A pins
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*/
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void gpio_irq_free(gpio_irq_t *obj);
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/**
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* @brief Enable/Disable gpio interrupt.
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* @param obj: gpio irq object define in application software.
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* @param event: gpio interrupt event, this parameter can be one of the following values:
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* @arg IRQ_RISE: rising edge interrupt event
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* @arg IRQ_FALL: falling edge interrupt event
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* @arg IRQ_LOW: low level interrupt event
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* @arg IRQ_HIGH: high level interrupt event
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* @arg IRQ_NONE: no interrupt event
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* @param enable: this parameter can be one of the following values:
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* @arg 0 disable gpio interrupt
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* @arg 1 enable gpio interrupt
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* @retval none
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*/
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void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
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/**
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* @brief Enable gpio interrupt.
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* @param obj: gpio irq object define in application software.
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* @retval none
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*/
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void gpio_irq_enable(gpio_irq_t *obj);
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/**
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* @brief Disable gpio interrupt.
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* @param obj: gpio irq object define in application software.
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* @retval none
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*/
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void gpio_irq_disable(gpio_irq_t *obj);
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/**
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* @brief Enable the specified gpio interrupt event.
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* @param obj: gpio irq object define in application software.
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* @param event: gpio interrupt event, this parameter can be one of the following values:
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* @arg IRQ_RISE: rising edge interrupt event
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* @arg IRQ_FALL: falling edge interrupt event
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* @arg IRQ_LOW: low level interrupt event
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* @arg IRQ_HIGH: high level interrupt event
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* @arg IRQ_NONE: no interrupt event
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* @retval none
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*/
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void gpio_irq_set_event(gpio_irq_t *obj, gpio_irq_event event);
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///@}
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/*\@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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