takashi kadono
/
Nucleo446_SSD1331
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/hal/mbed_gpio.c@3:f3764f852aa8, 2018-10-11 (annotated)
- Committer:
- kadonotakashi
- Date:
- Thu Oct 11 02:27:46 2018 +0000
- Revision:
- 3:f3764f852aa8
- Parent:
- 0:8fdf9a60065b
Nucreo 446 + SSD1331 test version;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kadonotakashi | 0:8fdf9a60065b | 1 | /* mbed Microcontroller Library |
kadonotakashi | 0:8fdf9a60065b | 2 | * Copyright (c) 2006-2013 ARM Limited |
kadonotakashi | 0:8fdf9a60065b | 3 | * |
kadonotakashi | 0:8fdf9a60065b | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
kadonotakashi | 0:8fdf9a60065b | 5 | * you may not use this file except in compliance with the License. |
kadonotakashi | 0:8fdf9a60065b | 6 | * You may obtain a copy of the License at |
kadonotakashi | 0:8fdf9a60065b | 7 | * |
kadonotakashi | 0:8fdf9a60065b | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
kadonotakashi | 0:8fdf9a60065b | 9 | * |
kadonotakashi | 0:8fdf9a60065b | 10 | * Unless required by applicable law or agreed to in writing, software |
kadonotakashi | 0:8fdf9a60065b | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
kadonotakashi | 0:8fdf9a60065b | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kadonotakashi | 0:8fdf9a60065b | 13 | * See the License for the specific language governing permissions and |
kadonotakashi | 0:8fdf9a60065b | 14 | * limitations under the License. |
kadonotakashi | 0:8fdf9a60065b | 15 | */ |
kadonotakashi | 0:8fdf9a60065b | 16 | #include "hal/gpio_api.h" |
kadonotakashi | 0:8fdf9a60065b | 17 | |
kadonotakashi | 0:8fdf9a60065b | 18 | static inline void _gpio_init_in(gpio_t *gpio, PinName pin, PinMode mode) |
kadonotakashi | 0:8fdf9a60065b | 19 | { |
kadonotakashi | 0:8fdf9a60065b | 20 | gpio_init(gpio, pin); |
kadonotakashi | 0:8fdf9a60065b | 21 | if (pin != NC) { |
kadonotakashi | 0:8fdf9a60065b | 22 | gpio_dir(gpio, PIN_INPUT); |
kadonotakashi | 0:8fdf9a60065b | 23 | gpio_mode(gpio, mode); |
kadonotakashi | 0:8fdf9a60065b | 24 | } |
kadonotakashi | 0:8fdf9a60065b | 25 | } |
kadonotakashi | 0:8fdf9a60065b | 26 | |
kadonotakashi | 0:8fdf9a60065b | 27 | static inline void _gpio_init_out(gpio_t *gpio, PinName pin, PinMode mode, int value) |
kadonotakashi | 0:8fdf9a60065b | 28 | { |
kadonotakashi | 0:8fdf9a60065b | 29 | gpio_init(gpio, pin); |
kadonotakashi | 0:8fdf9a60065b | 30 | if (pin != NC) { |
kadonotakashi | 0:8fdf9a60065b | 31 | gpio_write(gpio, value); |
kadonotakashi | 0:8fdf9a60065b | 32 | gpio_dir(gpio, PIN_OUTPUT); |
kadonotakashi | 0:8fdf9a60065b | 33 | gpio_mode(gpio, mode); |
kadonotakashi | 0:8fdf9a60065b | 34 | } |
kadonotakashi | 0:8fdf9a60065b | 35 | } |
kadonotakashi | 0:8fdf9a60065b | 36 | |
kadonotakashi | 0:8fdf9a60065b | 37 | void gpio_init_in(gpio_t *gpio, PinName pin) |
kadonotakashi | 0:8fdf9a60065b | 38 | { |
kadonotakashi | 0:8fdf9a60065b | 39 | gpio_init_in_ex(gpio, pin, PullDefault); |
kadonotakashi | 0:8fdf9a60065b | 40 | } |
kadonotakashi | 0:8fdf9a60065b | 41 | |
kadonotakashi | 0:8fdf9a60065b | 42 | void gpio_init_in_ex(gpio_t *gpio, PinName pin, PinMode mode) |
kadonotakashi | 0:8fdf9a60065b | 43 | { |
kadonotakashi | 0:8fdf9a60065b | 44 | _gpio_init_in(gpio, pin, mode); |
kadonotakashi | 0:8fdf9a60065b | 45 | } |
kadonotakashi | 0:8fdf9a60065b | 46 | |
kadonotakashi | 0:8fdf9a60065b | 47 | void gpio_init_out(gpio_t *gpio, PinName pin) |
kadonotakashi | 0:8fdf9a60065b | 48 | { |
kadonotakashi | 0:8fdf9a60065b | 49 | gpio_init_out_ex(gpio, pin, 0); |
kadonotakashi | 0:8fdf9a60065b | 50 | } |
kadonotakashi | 0:8fdf9a60065b | 51 | |
kadonotakashi | 0:8fdf9a60065b | 52 | void gpio_init_out_ex(gpio_t *gpio, PinName pin, int value) |
kadonotakashi | 0:8fdf9a60065b | 53 | { |
kadonotakashi | 0:8fdf9a60065b | 54 | _gpio_init_out(gpio, pin, PullNone, value); |
kadonotakashi | 0:8fdf9a60065b | 55 | } |
kadonotakashi | 0:8fdf9a60065b | 56 | |
kadonotakashi | 0:8fdf9a60065b | 57 | void gpio_init_inout(gpio_t *gpio, PinName pin, PinDirection direction, PinMode mode, int value) |
kadonotakashi | 0:8fdf9a60065b | 58 | { |
kadonotakashi | 0:8fdf9a60065b | 59 | if (direction == PIN_INPUT) { |
kadonotakashi | 0:8fdf9a60065b | 60 | _gpio_init_in(gpio, pin, mode); |
kadonotakashi | 0:8fdf9a60065b | 61 | if (pin != NC) { |
kadonotakashi | 0:8fdf9a60065b | 62 | gpio_write(gpio, value); // we prepare the value in case it is switched later |
kadonotakashi | 0:8fdf9a60065b | 63 | } |
kadonotakashi | 0:8fdf9a60065b | 64 | } else { |
kadonotakashi | 0:8fdf9a60065b | 65 | _gpio_init_out(gpio, pin, mode, value); |
kadonotakashi | 0:8fdf9a60065b | 66 | } |
kadonotakashi | 0:8fdf9a60065b | 67 | } |