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Diff: hal/gpio_api.h
- Revision:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
diff -r 000000000000 -r 9b334a45a8ff hal/gpio_api.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hal/gpio_api.h Thu Oct 01 15:25:22 2015 +0300 @@ -0,0 +1,57 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_GPIO_API_H +#define MBED_GPIO_API_H + +#include "device.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Set the given pin as GPIO + * @param pin The pin to be set as GPIO + * @return The GPIO port mask for this pin + **/ +uint32_t gpio_set(PinName pin); + +/* Checks if gpio object is connected (pin was not initialized with NC) + * @param pin The pin to be set as GPIO + * @return 0 if port is initialized with NC + **/ +int gpio_is_connected(const gpio_t *obj); + +/* GPIO object */ +void gpio_init(gpio_t *obj, PinName pin); + +void gpio_mode (gpio_t *obj, PinMode mode); +void gpio_dir (gpio_t *obj, PinDirection direction); + +void gpio_write(gpio_t *obj, int value); +int gpio_read (gpio_t *obj); + +// the following set of functions are generic and are implemented in the common gpio.c file +void gpio_init_in(gpio_t* gpio, PinName pin); +void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode); +void gpio_init_out(gpio_t* gpio, PinName pin); +void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value); +void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value); + +#ifdef __cplusplus +} +#endif + +#endif