I2C_EEPROM

Committer:
jhon309
Date:
Thu Aug 13 00:23:16 2015 +0000
Revision:
0:ac8863619623
I2C

Who changed what in which revision?

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jhon309 0:ac8863619623 1 /* mbed Microcontroller Library
jhon309 0:ac8863619623 2 * Copyright (c) 2006-2013 ARM Limited
jhon309 0:ac8863619623 3 *
jhon309 0:ac8863619623 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:ac8863619623 5 * you may not use this file except in compliance with the License.
jhon309 0:ac8863619623 6 * You may obtain a copy of the License at
jhon309 0:ac8863619623 7 *
jhon309 0:ac8863619623 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:ac8863619623 9 *
jhon309 0:ac8863619623 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:ac8863619623 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:ac8863619623 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:ac8863619623 13 * See the License for the specific language governing permissions and
jhon309 0:ac8863619623 14 * limitations under the License.
jhon309 0:ac8863619623 15 */
jhon309 0:ac8863619623 16 #ifndef MBED_GPIO_API_H
jhon309 0:ac8863619623 17 #define MBED_GPIO_API_H
jhon309 0:ac8863619623 18
jhon309 0:ac8863619623 19 #include "device.h"
jhon309 0:ac8863619623 20
jhon309 0:ac8863619623 21 #ifdef __cplusplus
jhon309 0:ac8863619623 22 extern "C" {
jhon309 0:ac8863619623 23 #endif
jhon309 0:ac8863619623 24
jhon309 0:ac8863619623 25 /* Set the given pin as GPIO
jhon309 0:ac8863619623 26 * @param pin The pin to be set as GPIO
jhon309 0:ac8863619623 27 * @return The GPIO port mask for this pin
jhon309 0:ac8863619623 28 **/
jhon309 0:ac8863619623 29 uint32_t gpio_set(PinName pin);
jhon309 0:ac8863619623 30
jhon309 0:ac8863619623 31 /* Checks if gpio object is connected (pin was not initialized with NC)
jhon309 0:ac8863619623 32 * @param pin The pin to be set as GPIO
jhon309 0:ac8863619623 33 * @return 0 if port is initialized with NC
jhon309 0:ac8863619623 34 **/
jhon309 0:ac8863619623 35 int gpio_is_connected(const gpio_t *obj);
jhon309 0:ac8863619623 36
jhon309 0:ac8863619623 37 /* GPIO object */
jhon309 0:ac8863619623 38 void gpio_init(gpio_t *obj, PinName pin);
jhon309 0:ac8863619623 39
jhon309 0:ac8863619623 40 void gpio_mode (gpio_t *obj, PinMode mode);
jhon309 0:ac8863619623 41 void gpio_dir (gpio_t *obj, PinDirection direction);
jhon309 0:ac8863619623 42
jhon309 0:ac8863619623 43 void gpio_write(gpio_t *obj, int value);
jhon309 0:ac8863619623 44 int gpio_read (gpio_t *obj);
jhon309 0:ac8863619623 45
jhon309 0:ac8863619623 46 // the following set of functions are generic and are implemented in the common gpio.c file
jhon309 0:ac8863619623 47 void gpio_init_in(gpio_t* gpio, PinName pin);
jhon309 0:ac8863619623 48 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode);
jhon309 0:ac8863619623 49 void gpio_init_out(gpio_t* gpio, PinName pin);
jhon309 0:ac8863619623 50 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value);
jhon309 0:ac8863619623 51 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value);
jhon309 0:ac8863619623 52
jhon309 0:ac8863619623 53 #ifdef __cplusplus
jhon309 0:ac8863619623 54 }
jhon309 0:ac8863619623 55 #endif
jhon309 0:ac8863619623 56
jhon309 0:ac8863619623 57 #endif