ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

hal/mbed_gpio.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16 #include "hal/gpio_api.h"
group-onsemi 0:098463de4c5d 17
group-onsemi 0:098463de4c5d 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
group-onsemi 0:098463de4c5d 19 {
group-onsemi 0:098463de4c5d 20 gpio_init(gpio, pin);
group-onsemi 0:098463de4c5d 21 if (pin != NC) {
group-onsemi 0:098463de4c5d 22 gpio_dir(gpio, PIN_INPUT);
group-onsemi 0:098463de4c5d 23 gpio_mode(gpio, mode);
group-onsemi 0:098463de4c5d 24 }
group-onsemi 0:098463de4c5d 25 }
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
group-onsemi 0:098463de4c5d 28 {
group-onsemi 0:098463de4c5d 29 gpio_init(gpio, pin);
group-onsemi 0:098463de4c5d 30 if (pin != NC) {
group-onsemi 0:098463de4c5d 31 gpio_write(gpio, value);
group-onsemi 0:098463de4c5d 32 gpio_dir(gpio, PIN_OUTPUT);
group-onsemi 0:098463de4c5d 33 gpio_mode(gpio, mode);
group-onsemi 0:098463de4c5d 34 }
group-onsemi 0:098463de4c5d 35 }
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
group-onsemi 0:098463de4c5d 38 gpio_init_in_ex(gpio, pin, PullDefault);
group-onsemi 0:098463de4c5d 39 }
group-onsemi 0:098463de4c5d 40
group-onsemi 0:098463de4c5d 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
group-onsemi 0:098463de4c5d 42 _gpio_init_in(gpio, pin, mode);
group-onsemi 0:098463de4c5d 43 }
group-onsemi 0:098463de4c5d 44
group-onsemi 0:098463de4c5d 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
group-onsemi 0:098463de4c5d 46 gpio_init_out_ex(gpio, pin, 0);
group-onsemi 0:098463de4c5d 47 }
group-onsemi 0:098463de4c5d 48
group-onsemi 0:098463de4c5d 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
group-onsemi 0:098463de4c5d 50 _gpio_init_out(gpio, pin, PullNone, value);
group-onsemi 0:098463de4c5d 51 }
group-onsemi 0:098463de4c5d 52
group-onsemi 0:098463de4c5d 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
group-onsemi 0:098463de4c5d 54 if (direction == PIN_INPUT) {
group-onsemi 0:098463de4c5d 55 _gpio_init_in(gpio, pin, mode);
group-onsemi 0:098463de4c5d 56 if (pin != NC)
group-onsemi 0:098463de4c5d 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
group-onsemi 0:098463de4c5d 58 } else {
group-onsemi 0:098463de4c5d 59 _gpio_init_out(gpio, pin, mode, value);
group-onsemi 0:098463de4c5d 60 }
group-onsemi 0:098463de4c5d 61 }