tool/mbed/mbed-sdk/libraries/mbed/hal/gpio_irq_api.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #ifndef MBED_GPIO_IRQ_API_H
  17 #define MBED_GPIO_IRQ_API_H
  18
  19 #include "device.h"
  20
  21 #if DEVICE_INTERRUPTIN
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef enum {
  28     IRQ_NONE,
  29     IRQ_RISE,
  30     IRQ_FALL
  31 } gpio_irq_event;
  32
  33 typedef struct gpio_irq_s gpio_irq_t;
  34
  35 typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);
  36
  37 int  gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
  38 void gpio_irq_free(gpio_irq_t *obj);
  39 void gpio_irq_set (gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
  40 void gpio_irq_enable(gpio_irq_t *obj);
  41 void gpio_irq_disable(gpio_irq_t *obj);
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif
  48
  49 #endif