
test
mbed/gpio_api.h@0:d383e2dee0f7, 2020-07-06 (annotated)
- Committer:
- ommpy
- Date:
- Mon Jul 06 17:18:59 2020 +0530
- Revision:
- 0:d383e2dee0f7
first commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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ommpy | 0:d383e2dee0f7 | 1 | /* mbed Microcontroller Library |
ommpy | 0:d383e2dee0f7 | 2 | * Copyright (c) 2006-2013 ARM Limited |
ommpy | 0:d383e2dee0f7 | 3 | * |
ommpy | 0:d383e2dee0f7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
ommpy | 0:d383e2dee0f7 | 5 | * you may not use this file except in compliance with the License. |
ommpy | 0:d383e2dee0f7 | 6 | * You may obtain a copy of the License at |
ommpy | 0:d383e2dee0f7 | 7 | * |
ommpy | 0:d383e2dee0f7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
ommpy | 0:d383e2dee0f7 | 9 | * |
ommpy | 0:d383e2dee0f7 | 10 | * Unless required by applicable law or agreed to in writing, software |
ommpy | 0:d383e2dee0f7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
ommpy | 0:d383e2dee0f7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
ommpy | 0:d383e2dee0f7 | 13 | * See the License for the specific language governing permissions and |
ommpy | 0:d383e2dee0f7 | 14 | * limitations under the License. |
ommpy | 0:d383e2dee0f7 | 15 | */ |
ommpy | 0:d383e2dee0f7 | 16 | #ifndef MBED_GPIO_API_H |
ommpy | 0:d383e2dee0f7 | 17 | #define MBED_GPIO_API_H |
ommpy | 0:d383e2dee0f7 | 18 | |
ommpy | 0:d383e2dee0f7 | 19 | #include "device.h" |
ommpy | 0:d383e2dee0f7 | 20 | |
ommpy | 0:d383e2dee0f7 | 21 | #ifdef __cplusplus |
ommpy | 0:d383e2dee0f7 | 22 | extern "C" { |
ommpy | 0:d383e2dee0f7 | 23 | #endif |
ommpy | 0:d383e2dee0f7 | 24 | |
ommpy | 0:d383e2dee0f7 | 25 | /* Set the given pin as GPIO |
ommpy | 0:d383e2dee0f7 | 26 | * @param pin The pin to be set as GPIO |
ommpy | 0:d383e2dee0f7 | 27 | * @return The GPIO port mask for this pin |
ommpy | 0:d383e2dee0f7 | 28 | **/ |
ommpy | 0:d383e2dee0f7 | 29 | uint32_t gpio_set(PinName pin); |
ommpy | 0:d383e2dee0f7 | 30 | |
ommpy | 0:d383e2dee0f7 | 31 | /* Checks if gpio object is connected (pin was not initialized with NC) |
ommpy | 0:d383e2dee0f7 | 32 | * @param pin The pin to be set as GPIO |
ommpy | 0:d383e2dee0f7 | 33 | * @return 0 if port is initialized with NC |
ommpy | 0:d383e2dee0f7 | 34 | **/ |
ommpy | 0:d383e2dee0f7 | 35 | int gpio_is_connected(const gpio_t *obj); |
ommpy | 0:d383e2dee0f7 | 36 | |
ommpy | 0:d383e2dee0f7 | 37 | /* GPIO object */ |
ommpy | 0:d383e2dee0f7 | 38 | void gpio_init(gpio_t *obj, PinName pin); |
ommpy | 0:d383e2dee0f7 | 39 | |
ommpy | 0:d383e2dee0f7 | 40 | void gpio_mode (gpio_t *obj, PinMode mode); |
ommpy | 0:d383e2dee0f7 | 41 | void gpio_dir (gpio_t *obj, PinDirection direction); |
ommpy | 0:d383e2dee0f7 | 42 | |
ommpy | 0:d383e2dee0f7 | 43 | void gpio_write(gpio_t *obj, int value); |
ommpy | 0:d383e2dee0f7 | 44 | int gpio_read (gpio_t *obj); |
ommpy | 0:d383e2dee0f7 | 45 | |
ommpy | 0:d383e2dee0f7 | 46 | // the following set of functions are generic and are implemented in the common gpio.c file |
ommpy | 0:d383e2dee0f7 | 47 | void gpio_init_in(gpio_t* gpio, PinName pin); |
ommpy | 0:d383e2dee0f7 | 48 | void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode); |
ommpy | 0:d383e2dee0f7 | 49 | void gpio_init_out(gpio_t* gpio, PinName pin); |
ommpy | 0:d383e2dee0f7 | 50 | void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value); |
ommpy | 0:d383e2dee0f7 | 51 | void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value); |
ommpy | 0:d383e2dee0f7 | 52 | |
ommpy | 0:d383e2dee0f7 | 53 | #ifdef __cplusplus |
ommpy | 0:d383e2dee0f7 | 54 | } |
ommpy | 0:d383e2dee0f7 | 55 | #endif |
ommpy | 0:d383e2dee0f7 | 56 | |
ommpy | 0:d383e2dee0f7 | 57 | #endif |