Gan likun / The prosthetic control

The prosthetic control（MIT）

hal/mbed_gpio.c@0:20e0c61e0684, 2022-06-23 (annotated)

Committer:
ganlikun
Date:
Thu Jun 23 05:23:34 2022 +0000
Revision:
0:20e0c61e0684
01

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ganlikun 0:20e0c61e0684 1 /* mbed Microcontroller Library
ganlikun 0:20e0c61e0684 2 * Copyright (c) 2006-2013 ARM Limited
ganlikun 0:20e0c61e0684 3 *
ganlikun 0:20e0c61e0684 4 * Licensed under the Apache License, Version 2.0 (the "License");
ganlikun 0:20e0c61e0684 5 * you may not use this file except in compliance with the License.
ganlikun 0:20e0c61e0684 6 * You may obtain a copy of the License at
ganlikun 0:20e0c61e0684 7 *
ganlikun 0:20e0c61e0684 8 * http://www.apache.org/licenses/LICENSE-2.0
ganlikun 0:20e0c61e0684 9 *
ganlikun 0:20e0c61e0684 10 * Unless required by applicable law or agreed to in writing, software
ganlikun 0:20e0c61e0684 11 * distributed under the License is distributed on an "AS IS" BASIS,
ganlikun 0:20e0c61e0684 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ganlikun 0:20e0c61e0684 13 * See the License for the specific language governing permissions and
ganlikun 0:20e0c61e0684 14 * limitations under the License.
ganlikun 0:20e0c61e0684 15 */
ganlikun 0:20e0c61e0684 16 #include "hal/gpio_api.h"
ganlikun 0:20e0c61e0684 17
ganlikun 0:20e0c61e0684 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
ganlikun 0:20e0c61e0684 19 {
ganlikun 0:20e0c61e0684 20 gpio_init(gpio, pin);
ganlikun 0:20e0c61e0684 21 if (pin != NC) {
ganlikun 0:20e0c61e0684 22 gpio_dir(gpio, PIN_INPUT);
ganlikun 0:20e0c61e0684 23 gpio_mode(gpio, mode);
ganlikun 0:20e0c61e0684 24 }
ganlikun 0:20e0c61e0684 25 }
ganlikun 0:20e0c61e0684 26
ganlikun 0:20e0c61e0684 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
ganlikun 0:20e0c61e0684 28 {
ganlikun 0:20e0c61e0684 29 gpio_init(gpio, pin);
ganlikun 0:20e0c61e0684 30 if (pin != NC) {
ganlikun 0:20e0c61e0684 31 gpio_write(gpio, value);
ganlikun 0:20e0c61e0684 32 gpio_dir(gpio, PIN_OUTPUT);
ganlikun 0:20e0c61e0684 33 gpio_mode(gpio, mode);
ganlikun 0:20e0c61e0684 34 }
ganlikun 0:20e0c61e0684 35 }
ganlikun 0:20e0c61e0684 36
ganlikun 0:20e0c61e0684 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
ganlikun 0:20e0c61e0684 38 gpio_init_in_ex(gpio, pin, PullDefault);
ganlikun 0:20e0c61e0684 39 }
ganlikun 0:20e0c61e0684 40
ganlikun 0:20e0c61e0684 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
ganlikun 0:20e0c61e0684 42 _gpio_init_in(gpio, pin, mode);
ganlikun 0:20e0c61e0684 43 }
ganlikun 0:20e0c61e0684 44
ganlikun 0:20e0c61e0684 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
ganlikun 0:20e0c61e0684 46 gpio_init_out_ex(gpio, pin, 0);
ganlikun 0:20e0c61e0684 47 }
ganlikun 0:20e0c61e0684 48
ganlikun 0:20e0c61e0684 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
ganlikun 0:20e0c61e0684 50 _gpio_init_out(gpio, pin, PullNone, value);
ganlikun 0:20e0c61e0684 51 }
ganlikun 0:20e0c61e0684 52
ganlikun 0:20e0c61e0684 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
ganlikun 0:20e0c61e0684 54 if (direction == PIN_INPUT) {
ganlikun 0:20e0c61e0684 55 _gpio_init_in(gpio, pin, mode);
ganlikun 0:20e0c61e0684 56 if (pin != NC)
ganlikun 0:20e0c61e0684 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
ganlikun 0:20e0c61e0684 58 } else {
ganlikun 0:20e0c61e0684 59 _gpio_init_out(gpio, pin, mode, value);
ganlikun 0:20e0c61e0684 60 }
ganlikun 0:20e0c61e0684 61 }
ganlikun 0:20e0c61e0684 62