lzbp li / mbed-src

mbed library sources

Fork of mbed-src by mbed official

hal/gpio_api.h@636:b0d178e9fa10, 2016-07-07 (annotated)

Committer:
lzbpli
Date:
Thu Jul 07 06:48:59 2016 +0000
Revision:
636:b0d178e9fa10
Parent:
455:8bc3a354916d 
l053

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_GPIO_API_H
bogdanm 13:0645d8841f51 17 #define MBED_GPIO_API_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "device.h"
bogdanm 13:0645d8841f51 20
bogdanm 13:0645d8841f51 21 #ifdef __cplusplus
bogdanm 13:0645d8841f51 22 extern "C" {
bogdanm 13:0645d8841f51 23 #endif
bogdanm 13:0645d8841f51 24
bogdanm 13:0645d8841f51 25 /* Set the given pin as GPIO
bogdanm 13:0645d8841f51 26 * @param pin The pin to be set as GPIO
bogdanm 13:0645d8841f51 27 * @return The GPIO port mask for this pin
bogdanm 13:0645d8841f51 28 **/
bogdanm 13:0645d8841f51 29 uint32_t gpio_set(PinName pin);
bogdanm 13:0645d8841f51 30
mbed_official 455:8bc3a354916d 31 /* Checks if gpio object is connected (pin was not initialized with NC)
mbed_official 455:8bc3a354916d 32 * @param pin The pin to be set as GPIO
mbed_official 455:8bc3a354916d 33 * @return 0 if port is initialized with NC
mbed_official 455:8bc3a354916d 34 **/
mbed_official 455:8bc3a354916d 35 int gpio_is_connected(const gpio_t *obj);
mbed_official 455:8bc3a354916d 36
bogdanm 13:0645d8841f51 37 /* GPIO object */
mbed_official 113:65a335a675de 38 void gpio_init(gpio_t *obj, PinName pin);
bogdanm 13:0645d8841f51 39
bogdanm 13:0645d8841f51 40 void gpio_mode (gpio_t *obj, PinMode mode);
bogdanm 13:0645d8841f51 41 void gpio_dir (gpio_t *obj, PinDirection direction);
bogdanm 13:0645d8841f51 42
bogdanm 13:0645d8841f51 43 void gpio_write(gpio_t *obj, int value);
bogdanm 13:0645d8841f51 44 int gpio_read (gpio_t *obj);
bogdanm 13:0645d8841f51 45
mbed_official 113:65a335a675de 46 // the following set of functions are generic and are implemented in the common gpio.c file
mbed_official 113:65a335a675de 47 void gpio_init_in(gpio_t* gpio, PinName pin);
mbed_official 113:65a335a675de 48 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode);
mbed_official 113:65a335a675de 49 void gpio_init_out(gpio_t* gpio, PinName pin);
mbed_official 113:65a335a675de 50 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value);
mbed_official 113:65a335a675de 51 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value);
mbed_official 113:65a335a675de 52
bogdanm 13:0645d8841f51 53 #ifdef __cplusplus
bogdanm 13:0645d8841f51 54 }
bogdanm 13:0645d8841f51 55 #endif
bogdanm 13:0645d8841f51 56
bogdanm 13:0645d8841f51 57 #endif