mbed library for slider v2
gpio_irq_api.h@0:b7116bd48af6, 2016-09-14 (annotated)
- Committer:
- mturner5
- Date:
- Wed Sep 14 07:04:27 2016 +0000
- Revision:
- 0:b7116bd48af6
Tried to use the timer.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mturner5 | 0:b7116bd48af6 | 1 | /* mbed Microcontroller Library |
mturner5 | 0:b7116bd48af6 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mturner5 | 0:b7116bd48af6 | 3 | * |
mturner5 | 0:b7116bd48af6 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mturner5 | 0:b7116bd48af6 | 5 | * you may not use this file except in compliance with the License. |
mturner5 | 0:b7116bd48af6 | 6 | * You may obtain a copy of the License at |
mturner5 | 0:b7116bd48af6 | 7 | * |
mturner5 | 0:b7116bd48af6 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mturner5 | 0:b7116bd48af6 | 9 | * |
mturner5 | 0:b7116bd48af6 | 10 | * Unless required by applicable law or agreed to in writing, software |
mturner5 | 0:b7116bd48af6 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mturner5 | 0:b7116bd48af6 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mturner5 | 0:b7116bd48af6 | 13 | * See the License for the specific language governing permissions and |
mturner5 | 0:b7116bd48af6 | 14 | * limitations under the License. |
mturner5 | 0:b7116bd48af6 | 15 | */ |
mturner5 | 0:b7116bd48af6 | 16 | #ifndef MBED_GPIO_IRQ_API_H |
mturner5 | 0:b7116bd48af6 | 17 | #define MBED_GPIO_IRQ_API_H |
mturner5 | 0:b7116bd48af6 | 18 | |
mturner5 | 0:b7116bd48af6 | 19 | #include "device.h" |
mturner5 | 0:b7116bd48af6 | 20 | |
mturner5 | 0:b7116bd48af6 | 21 | #if DEVICE_INTERRUPTIN |
mturner5 | 0:b7116bd48af6 | 22 | |
mturner5 | 0:b7116bd48af6 | 23 | #ifdef __cplusplus |
mturner5 | 0:b7116bd48af6 | 24 | extern "C" { |
mturner5 | 0:b7116bd48af6 | 25 | #endif |
mturner5 | 0:b7116bd48af6 | 26 | |
mturner5 | 0:b7116bd48af6 | 27 | /** GPIO IRQ events |
mturner5 | 0:b7116bd48af6 | 28 | */ |
mturner5 | 0:b7116bd48af6 | 29 | typedef enum { |
mturner5 | 0:b7116bd48af6 | 30 | IRQ_NONE, |
mturner5 | 0:b7116bd48af6 | 31 | IRQ_RISE, |
mturner5 | 0:b7116bd48af6 | 32 | IRQ_FALL |
mturner5 | 0:b7116bd48af6 | 33 | } gpio_irq_event; |
mturner5 | 0:b7116bd48af6 | 34 | |
mturner5 | 0:b7116bd48af6 | 35 | /** GPIO IRQ HAL structure. gpio_irq_s is declared in the target's HAL |
mturner5 | 0:b7116bd48af6 | 36 | */ |
mturner5 | 0:b7116bd48af6 | 37 | typedef struct gpio_irq_s gpio_irq_t; |
mturner5 | 0:b7116bd48af6 | 38 | |
mturner5 | 0:b7116bd48af6 | 39 | typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event); |
mturner5 | 0:b7116bd48af6 | 40 | |
mturner5 | 0:b7116bd48af6 | 41 | /** |
mturner5 | 0:b7116bd48af6 | 42 | * \defgroup hal_gpioirq GPIO IRQ HAL functions |
mturner5 | 0:b7116bd48af6 | 43 | * @{ |
mturner5 | 0:b7116bd48af6 | 44 | */ |
mturner5 | 0:b7116bd48af6 | 45 | |
mturner5 | 0:b7116bd48af6 | 46 | /** Initialize the GPIO IRQ pin |
mturner5 | 0:b7116bd48af6 | 47 | * |
mturner5 | 0:b7116bd48af6 | 48 | * @param obj The GPIO object to initialize |
mturner5 | 0:b7116bd48af6 | 49 | * @param pin The GPIO pin name |
mturner5 | 0:b7116bd48af6 | 50 | * @param handler The handler to be attached to GPIO IRQ |
mturner5 | 0:b7116bd48af6 | 51 | * @param id The object ID (id != 0, 0 is reserved) |
mturner5 | 0:b7116bd48af6 | 52 | * @return -1 if pin is NC, 0 otherwise |
mturner5 | 0:b7116bd48af6 | 53 | */ |
mturner5 | 0:b7116bd48af6 | 54 | int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id); |
mturner5 | 0:b7116bd48af6 | 55 | |
mturner5 | 0:b7116bd48af6 | 56 | /** Release the GPIO IRQ PIN |
mturner5 | 0:b7116bd48af6 | 57 | * |
mturner5 | 0:b7116bd48af6 | 58 | * @param obj The gpio object |
mturner5 | 0:b7116bd48af6 | 59 | */ |
mturner5 | 0:b7116bd48af6 | 60 | void gpio_irq_free(gpio_irq_t *obj); |
mturner5 | 0:b7116bd48af6 | 61 | |
mturner5 | 0:b7116bd48af6 | 62 | /** Enable/disable pin IRQ event |
mturner5 | 0:b7116bd48af6 | 63 | * |
mturner5 | 0:b7116bd48af6 | 64 | * @param obj The GPIO object |
mturner5 | 0:b7116bd48af6 | 65 | * @param event The GPIO IRQ event |
mturner5 | 0:b7116bd48af6 | 66 | * @param enable The enable flag |
mturner5 | 0:b7116bd48af6 | 67 | */ |
mturner5 | 0:b7116bd48af6 | 68 | void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable); |
mturner5 | 0:b7116bd48af6 | 69 | |
mturner5 | 0:b7116bd48af6 | 70 | /** Enable GPIO IRQ |
mturner5 | 0:b7116bd48af6 | 71 | * |
mturner5 | 0:b7116bd48af6 | 72 | * This is target dependent, as it might enable the entire port or just a pin |
mturner5 | 0:b7116bd48af6 | 73 | * @param obj The GPIO object |
mturner5 | 0:b7116bd48af6 | 74 | */ |
mturner5 | 0:b7116bd48af6 | 75 | void gpio_irq_enable(gpio_irq_t *obj); |
mturner5 | 0:b7116bd48af6 | 76 | |
mturner5 | 0:b7116bd48af6 | 77 | /** Disable GPIO IRQ |
mturner5 | 0:b7116bd48af6 | 78 | * |
mturner5 | 0:b7116bd48af6 | 79 | * This is target dependent, as it might disable the entire port or just a pin |
mturner5 | 0:b7116bd48af6 | 80 | * @param obj The GPIO object |
mturner5 | 0:b7116bd48af6 | 81 | */ |
mturner5 | 0:b7116bd48af6 | 82 | void gpio_irq_disable(gpio_irq_t *obj); |
mturner5 | 0:b7116bd48af6 | 83 | |
mturner5 | 0:b7116bd48af6 | 84 | /**@}*/ |
mturner5 | 0:b7116bd48af6 | 85 | |
mturner5 | 0:b7116bd48af6 | 86 | #ifdef __cplusplus |
mturner5 | 0:b7116bd48af6 | 87 | } |
mturner5 | 0:b7116bd48af6 | 88 | #endif |
mturner5 | 0:b7116bd48af6 | 89 | |
mturner5 | 0:b7116bd48af6 | 90 | #endif |
mturner5 | 0:b7116bd48af6 | 91 | |
mturner5 | 0:b7116bd48af6 | 92 | #endif |