BA / Mbed OS BaBoRo_test2

Backup 1

mbed-os/hal/mbed_gpio.c@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:02dd72d1d465 1 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:02dd72d1d465 3 *
borlanic 0:02dd72d1d465 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 5 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 6 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 7 *
borlanic 0:02dd72d1d465 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 9 *
borlanic 0:02dd72d1d465 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 13 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 14 * limitations under the License.
borlanic 0:02dd72d1d465 15 */
borlanic 0:02dd72d1d465 16 #include "hal/gpio_api.h"
borlanic 0:02dd72d1d465 17
borlanic 0:02dd72d1d465 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
borlanic 0:02dd72d1d465 19 {
borlanic 0:02dd72d1d465 20 gpio_init(gpio, pin);
borlanic 0:02dd72d1d465 21 if (pin != NC) {
borlanic 0:02dd72d1d465 22 gpio_dir(gpio, PIN_INPUT);
borlanic 0:02dd72d1d465 23 gpio_mode(gpio, mode);
borlanic 0:02dd72d1d465 24 }
borlanic 0:02dd72d1d465 25 }
borlanic 0:02dd72d1d465 26
borlanic 0:02dd72d1d465 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
borlanic 0:02dd72d1d465 28 {
borlanic 0:02dd72d1d465 29 gpio_init(gpio, pin);
borlanic 0:02dd72d1d465 30 if (pin != NC) {
borlanic 0:02dd72d1d465 31 gpio_write(gpio, value);
borlanic 0:02dd72d1d465 32 gpio_dir(gpio, PIN_OUTPUT);
borlanic 0:02dd72d1d465 33 gpio_mode(gpio, mode);
borlanic 0:02dd72d1d465 34 }
borlanic 0:02dd72d1d465 35 }
borlanic 0:02dd72d1d465 36
borlanic 0:02dd72d1d465 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
borlanic 0:02dd72d1d465 38 gpio_init_in_ex(gpio, pin, PullDefault);
borlanic 0:02dd72d1d465 39 }
borlanic 0:02dd72d1d465 40
borlanic 0:02dd72d1d465 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
borlanic 0:02dd72d1d465 42 _gpio_init_in(gpio, pin, mode);
borlanic 0:02dd72d1d465 43 }
borlanic 0:02dd72d1d465 44
borlanic 0:02dd72d1d465 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
borlanic 0:02dd72d1d465 46 gpio_init_out_ex(gpio, pin, 0);
borlanic 0:02dd72d1d465 47 }
borlanic 0:02dd72d1d465 48
borlanic 0:02dd72d1d465 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
borlanic 0:02dd72d1d465 50 _gpio_init_out(gpio, pin, PullNone, value);
borlanic 0:02dd72d1d465 51 }
borlanic 0:02dd72d1d465 52
borlanic 0:02dd72d1d465 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
borlanic 0:02dd72d1d465 54 if (direction == PIN_INPUT) {
borlanic 0:02dd72d1d465 55 _gpio_init_in(gpio, pin, mode);
borlanic 0:02dd72d1d465 56 if (pin != NC)
borlanic 0:02dd72d1d465 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
borlanic 0:02dd72d1d465 58 } else {
borlanic 0:02dd72d1d465 59 _gpio_init_out(gpio, pin, mode, value);
borlanic 0:02dd72d1d465 60 }
borlanic 0:02dd72d1d465 61 }