xyFC/lib/mbed/gpio_irq_api.h

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef MBED_GPIO_IRQ_API_H
#define MBED_GPIO_IRQ_API_H

#include "device.h"

#if DEVICE_INTERRUPTIN

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
    IRQ_NONE,
    IRQ_RISE,
    IRQ_FALL
} gpio_irq_event;

typedef struct gpio_irq_s gpio_irq_t;

typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);

int  gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
void gpio_irq_free(gpio_irq_t *obj);
void gpio_irq_set (gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
void gpio_irq_enable(gpio_irq_t *obj);
void gpio_irq_disable(gpio_irq_t *obj);

#ifdef __cplusplus
}
#endif

#endif

#endif