Abdulaziz alsalloum / Project1HomeAlertSystem

Home Alert System

Dependencies:   PWM_Tone_Library DHT

mbed/gpio_api.h@3:78f223d34f36, 2019-03-05 (annotated)

Committer:
ethaderu
Date:
Tue Mar 05 02:34:44 2019 +0000
Revision:
3:78f223d34f36
Publish 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ethaderu 3:78f223d34f36 1 /* mbed Microcontroller Library
ethaderu 3:78f223d34f36 2 * Copyright (c) 2006-2013 ARM Limited
ethaderu 3:78f223d34f36 3 *
ethaderu 3:78f223d34f36 4 * Licensed under the Apache License, Version 2.0 (the "License");
ethaderu 3:78f223d34f36 5 * you may not use this file except in compliance with the License.
ethaderu 3:78f223d34f36 6 * You may obtain a copy of the License at
ethaderu 3:78f223d34f36 7 *
ethaderu 3:78f223d34f36 8 * http://www.apache.org/licenses/LICENSE-2.0
ethaderu 3:78f223d34f36 9 *
ethaderu 3:78f223d34f36 10 * Unless required by applicable law or agreed to in writing, software
ethaderu 3:78f223d34f36 11 * distributed under the License is distributed on an "AS IS" BASIS,
ethaderu 3:78f223d34f36 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ethaderu 3:78f223d34f36 13 * See the License for the specific language governing permissions and
ethaderu 3:78f223d34f36 14 * limitations under the License.
ethaderu 3:78f223d34f36 15 */
ethaderu 3:78f223d34f36 16 #ifndef MBED_GPIO_API_H
ethaderu 3:78f223d34f36 17 #define MBED_GPIO_API_H
ethaderu 3:78f223d34f36 18
ethaderu 3:78f223d34f36 19 #include "device.h"
ethaderu 3:78f223d34f36 20
ethaderu 3:78f223d34f36 21 #ifdef __cplusplus
ethaderu 3:78f223d34f36 22 extern "C" {
ethaderu 3:78f223d34f36 23 #endif
ethaderu 3:78f223d34f36 24
ethaderu 3:78f223d34f36 25 /* Set the given pin as GPIO
ethaderu 3:78f223d34f36 26 * @param pin The pin to be set as GPIO
ethaderu 3:78f223d34f36 27 * @return The GPIO port mask for this pin
ethaderu 3:78f223d34f36 28 **/
ethaderu 3:78f223d34f36 29 uint32_t gpio_set(PinName pin);
ethaderu 3:78f223d34f36 30
ethaderu 3:78f223d34f36 31 /* Checks if gpio object is connected (pin was not initialized with NC)
ethaderu 3:78f223d34f36 32 * @param pin The pin to be set as GPIO
ethaderu 3:78f223d34f36 33 * @return 0 if port is initialized with NC
ethaderu 3:78f223d34f36 34 **/
ethaderu 3:78f223d34f36 35 int gpio_is_connected(const gpio_t *obj);
ethaderu 3:78f223d34f36 36
ethaderu 3:78f223d34f36 37 /* GPIO object */
ethaderu 3:78f223d34f36 38 void gpio_init(gpio_t *obj, PinName pin);
ethaderu 3:78f223d34f36 39
ethaderu 3:78f223d34f36 40 void gpio_mode (gpio_t *obj, PinMode mode);
ethaderu 3:78f223d34f36 41 void gpio_dir (gpio_t *obj, PinDirection direction);
ethaderu 3:78f223d34f36 42
ethaderu 3:78f223d34f36 43 void gpio_write(gpio_t *obj, int value);
ethaderu 3:78f223d34f36 44 int gpio_read (gpio_t *obj);
ethaderu 3:78f223d34f36 45
ethaderu 3:78f223d34f36 46 // the following set of functions are generic and are implemented in the common gpio.c file
ethaderu 3:78f223d34f36 47 void gpio_init_in(gpio_t* gpio, PinName pin);
ethaderu 3:78f223d34f36 48 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode);
ethaderu 3:78f223d34f36 49 void gpio_init_out(gpio_t* gpio, PinName pin);
ethaderu 3:78f223d34f36 50 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value);
ethaderu 3:78f223d34f36 51 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value);
ethaderu 3:78f223d34f36 52
ethaderu 3:78f223d34f36 53 #ifdef __cplusplus
ethaderu 3:78f223d34f36 54 }
ethaderu 3:78f223d34f36 55 #endif
ethaderu 3:78f223d34f36 56
ethaderu 3:78f223d34f36 57 #endif