Kenji Arai / mbed-os_TYBLE16

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Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

hal/mbed_gpio.c@0:5b88d5760320, 2019-12-17 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 17 23:23:45 2019 +0000
Revision:
0:5b88d5760320
Child:
1:9db0e321a9f4
mbed-os5 only for TYBLE16

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 0:5b88d5760320 1 /* mbed Microcontroller Library
kenjiArai 0:5b88d5760320 2 * Copyright (c) 2006-2013 ARM Limited
kenjiArai 0:5b88d5760320 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 0:5b88d5760320 4 *
kenjiArai 0:5b88d5760320 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 0:5b88d5760320 6 * you may not use this file except in compliance with the License.
kenjiArai 0:5b88d5760320 7 * You may obtain a copy of the License at
kenjiArai 0:5b88d5760320 8 *
kenjiArai 0:5b88d5760320 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 0:5b88d5760320 10 *
kenjiArai 0:5b88d5760320 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 0:5b88d5760320 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 0:5b88d5760320 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 0:5b88d5760320 14 * See the License for the specific language governing permissions and
kenjiArai 0:5b88d5760320 15 * limitations under the License.
kenjiArai 0:5b88d5760320 16 */
kenjiArai 0:5b88d5760320 17 #include "hal/gpio_api.h"
kenjiArai 0:5b88d5760320 18
kenjiArai 0:5b88d5760320 19 static inline void _gpio_init_in(gpio_t *gpio, PinName pin, PinMode mode)
kenjiArai 0:5b88d5760320 20 {
kenjiArai 0:5b88d5760320 21 gpio_init(gpio, pin);
kenjiArai 0:5b88d5760320 22 if (pin != NC) {
kenjiArai 0:5b88d5760320 23 gpio_dir(gpio, PIN_INPUT);
kenjiArai 0:5b88d5760320 24 gpio_mode(gpio, mode);
kenjiArai 0:5b88d5760320 25 }
kenjiArai 0:5b88d5760320 26 }
kenjiArai 0:5b88d5760320 27
kenjiArai 0:5b88d5760320 28 static inline void _gpio_init_out(gpio_t *gpio, PinName pin, PinMode mode, int value)
kenjiArai 0:5b88d5760320 29 {
kenjiArai 0:5b88d5760320 30 gpio_init(gpio, pin);
kenjiArai 0:5b88d5760320 31 if (pin != NC) {
kenjiArai 0:5b88d5760320 32 gpio_write(gpio, value);
kenjiArai 0:5b88d5760320 33 gpio_dir(gpio, PIN_OUTPUT);
kenjiArai 0:5b88d5760320 34 gpio_mode(gpio, mode);
kenjiArai 0:5b88d5760320 35 }
kenjiArai 0:5b88d5760320 36 }
kenjiArai 0:5b88d5760320 37
kenjiArai 0:5b88d5760320 38 void gpio_init_in(gpio_t *gpio, PinName pin)
kenjiArai 0:5b88d5760320 39 {
kenjiArai 0:5b88d5760320 40 gpio_init_in_ex(gpio, pin, PullDefault);
kenjiArai 0:5b88d5760320 41 }
kenjiArai 0:5b88d5760320 42
kenjiArai 0:5b88d5760320 43 void gpio_init_in_ex(gpio_t *gpio, PinName pin, PinMode mode)
kenjiArai 0:5b88d5760320 44 {
kenjiArai 0:5b88d5760320 45 _gpio_init_in(gpio, pin, mode);
kenjiArai 0:5b88d5760320 46 }
kenjiArai 0:5b88d5760320 47
kenjiArai 0:5b88d5760320 48 void gpio_init_out(gpio_t *gpio, PinName pin)
kenjiArai 0:5b88d5760320 49 {
kenjiArai 0:5b88d5760320 50 gpio_init_out_ex(gpio, pin, 0);
kenjiArai 0:5b88d5760320 51 }
kenjiArai 0:5b88d5760320 52
kenjiArai 0:5b88d5760320 53 void gpio_init_out_ex(gpio_t *gpio, PinName pin, int value)
kenjiArai 0:5b88d5760320 54 {
kenjiArai 0:5b88d5760320 55 _gpio_init_out(gpio, pin, PullNone, value);
kenjiArai 0:5b88d5760320 56 }
kenjiArai 0:5b88d5760320 57
kenjiArai 0:5b88d5760320 58 void gpio_init_inout(gpio_t *gpio, PinName pin, PinDirection direction, PinMode mode, int value)
kenjiArai 0:5b88d5760320 59 {
kenjiArai 0:5b88d5760320 60 if (direction == PIN_INPUT) {
kenjiArai 0:5b88d5760320 61 _gpio_init_in(gpio, pin, mode);
kenjiArai 0:5b88d5760320 62 if (pin != NC) {
kenjiArai 0:5b88d5760320 63 gpio_write(gpio, value); // we prepare the value in case it is switched later
kenjiArai 0:5b88d5760320 64 }
kenjiArai 0:5b88d5760320 65 } else {
kenjiArai 0:5b88d5760320 66 _gpio_init_out(gpio, pin, mode, value);
kenjiArai 0:5b88d5760320 67 }
kenjiArai 0:5b88d5760320 68 }