Jhon Plantikow / DHT11

DHT11

gpio_api.h@0:c52df770855b, 2015-08-13 (annotated)

Committer:
jhon309
Date:
Thu Aug 13 00:21:57 2015 +0000
Revision:
0:c52df770855b
DHT11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhon309 0:c52df770855b 1 /* mbed Microcontroller Library
jhon309 0:c52df770855b 2 * Copyright (c) 2006-2013 ARM Limited
jhon309 0:c52df770855b 3 *
jhon309 0:c52df770855b 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:c52df770855b 5 * you may not use this file except in compliance with the License.
jhon309 0:c52df770855b 6 * You may obtain a copy of the License at
jhon309 0:c52df770855b 7 *
jhon309 0:c52df770855b 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:c52df770855b 9 *
jhon309 0:c52df770855b 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:c52df770855b 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:c52df770855b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:c52df770855b 13 * See the License for the specific language governing permissions and
jhon309 0:c52df770855b 14 * limitations under the License.
jhon309 0:c52df770855b 15 */
jhon309 0:c52df770855b 16 #ifndef MBED_GPIO_API_H
jhon309 0:c52df770855b 17 #define MBED_GPIO_API_H
jhon309 0:c52df770855b 18
jhon309 0:c52df770855b 19 #include "device.h"
jhon309 0:c52df770855b 20
jhon309 0:c52df770855b 21 #ifdef __cplusplus
jhon309 0:c52df770855b 22 extern "C" {
jhon309 0:c52df770855b 23 #endif
jhon309 0:c52df770855b 24
jhon309 0:c52df770855b 25 /* Set the given pin as GPIO
jhon309 0:c52df770855b 26 * @param pin The pin to be set as GPIO
jhon309 0:c52df770855b 27 * @return The GPIO port mask for this pin
jhon309 0:c52df770855b 28 **/
jhon309 0:c52df770855b 29 uint32_t gpio_set(PinName pin);
jhon309 0:c52df770855b 30
jhon309 0:c52df770855b 31 /* Checks if gpio object is connected (pin was not initialized with NC)
jhon309 0:c52df770855b 32 * @param pin The pin to be set as GPIO
jhon309 0:c52df770855b 33 * @return 0 if port is initialized with NC
jhon309 0:c52df770855b 34 **/
jhon309 0:c52df770855b 35 int gpio_is_connected(const gpio_t *obj);
jhon309 0:c52df770855b 36
jhon309 0:c52df770855b 37 /* GPIO object */
jhon309 0:c52df770855b 38 void gpio_init(gpio_t *obj, PinName pin);
jhon309 0:c52df770855b 39
jhon309 0:c52df770855b 40 void gpio_mode (gpio_t *obj, PinMode mode);
jhon309 0:c52df770855b 41 void gpio_dir (gpio_t *obj, PinDirection direction);
jhon309 0:c52df770855b 42
jhon309 0:c52df770855b 43 void gpio_write(gpio_t *obj, int value);
jhon309 0:c52df770855b 44 int gpio_read (gpio_t *obj);
jhon309 0:c52df770855b 45
jhon309 0:c52df770855b 46 // the following set of functions are generic and are implemented in the common gpio.c file
jhon309 0:c52df770855b 47 void gpio_init_in(gpio_t* gpio, PinName pin);
jhon309 0:c52df770855b 48 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode);
jhon309 0:c52df770855b 49 void gpio_init_out(gpio_t* gpio, PinName pin);
jhon309 0:c52df770855b 50 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value);
jhon309 0:c52df770855b 51 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value);
jhon309 0:c52df770855b 52
jhon309 0:c52df770855b 53 #ifdef __cplusplus
jhon309 0:c52df770855b 54 }
jhon309 0:c52df770855b 55 #endif
jhon309 0:c52df770855b 56
jhon309 0:c52df770855b 57 #endif