Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例.このプログラムについては,CQ出版社インターフェース誌 2018年7月号で解説している.
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton
mbed_src_STM32F7/common/gpio.c@19:3c3833ec00d2, 2017-04-09 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Apr 09 12:44:17 2017 +0000
- Revision:
- 19:3c3833ec00d2
- Parent:
- 2:cf42e62a97dc
20
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 2:cf42e62a97dc | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 2:cf42e62a97dc | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 2:cf42e62a97dc | 3 | * |
MikamiUitOpen | 2:cf42e62a97dc | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 2:cf42e62a97dc | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 2:cf42e62a97dc | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 2:cf42e62a97dc | 7 | * |
MikamiUitOpen | 2:cf42e62a97dc | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 2:cf42e62a97dc | 9 | * |
MikamiUitOpen | 2:cf42e62a97dc | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 2:cf42e62a97dc | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 2:cf42e62a97dc | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 2:cf42e62a97dc | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 2:cf42e62a97dc | 14 | * limitations under the License. |
MikamiUitOpen | 2:cf42e62a97dc | 15 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 16 | #include "gpio_api.h" |
MikamiUitOpen | 2:cf42e62a97dc | 17 | |
MikamiUitOpen | 2:cf42e62a97dc | 18 | static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode) |
MikamiUitOpen | 2:cf42e62a97dc | 19 | { |
MikamiUitOpen | 2:cf42e62a97dc | 20 | gpio_init(gpio, pin); |
MikamiUitOpen | 2:cf42e62a97dc | 21 | if (pin != NC) { |
MikamiUitOpen | 2:cf42e62a97dc | 22 | gpio_dir(gpio, PIN_INPUT); |
MikamiUitOpen | 2:cf42e62a97dc | 23 | gpio_mode(gpio, mode); |
MikamiUitOpen | 2:cf42e62a97dc | 24 | } |
MikamiUitOpen | 2:cf42e62a97dc | 25 | } |
MikamiUitOpen | 2:cf42e62a97dc | 26 | |
MikamiUitOpen | 2:cf42e62a97dc | 27 | static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value) |
MikamiUitOpen | 2:cf42e62a97dc | 28 | { |
MikamiUitOpen | 2:cf42e62a97dc | 29 | gpio_init(gpio, pin); |
MikamiUitOpen | 2:cf42e62a97dc | 30 | if (pin != NC) { |
MikamiUitOpen | 2:cf42e62a97dc | 31 | gpio_write(gpio, value); |
MikamiUitOpen | 2:cf42e62a97dc | 32 | gpio_dir(gpio, PIN_OUTPUT); |
MikamiUitOpen | 2:cf42e62a97dc | 33 | gpio_mode(gpio, mode); |
MikamiUitOpen | 2:cf42e62a97dc | 34 | } |
MikamiUitOpen | 2:cf42e62a97dc | 35 | } |
MikamiUitOpen | 2:cf42e62a97dc | 36 | |
MikamiUitOpen | 2:cf42e62a97dc | 37 | void gpio_init_in(gpio_t* gpio, PinName pin) { |
MikamiUitOpen | 2:cf42e62a97dc | 38 | gpio_init_in_ex(gpio, pin, PullDefault); |
MikamiUitOpen | 2:cf42e62a97dc | 39 | } |
MikamiUitOpen | 2:cf42e62a97dc | 40 | |
MikamiUitOpen | 2:cf42e62a97dc | 41 | void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) { |
MikamiUitOpen | 2:cf42e62a97dc | 42 | _gpio_init_in(gpio, pin, mode); |
MikamiUitOpen | 2:cf42e62a97dc | 43 | } |
MikamiUitOpen | 2:cf42e62a97dc | 44 | |
MikamiUitOpen | 2:cf42e62a97dc | 45 | void gpio_init_out(gpio_t* gpio, PinName pin) { |
MikamiUitOpen | 2:cf42e62a97dc | 46 | gpio_init_out_ex(gpio, pin, 0); |
MikamiUitOpen | 2:cf42e62a97dc | 47 | } |
MikamiUitOpen | 2:cf42e62a97dc | 48 | |
MikamiUitOpen | 2:cf42e62a97dc | 49 | void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) { |
MikamiUitOpen | 2:cf42e62a97dc | 50 | _gpio_init_out(gpio, pin, PullNone, value); |
MikamiUitOpen | 2:cf42e62a97dc | 51 | } |
MikamiUitOpen | 2:cf42e62a97dc | 52 | |
MikamiUitOpen | 2:cf42e62a97dc | 53 | void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) { |
MikamiUitOpen | 2:cf42e62a97dc | 54 | if (direction == PIN_INPUT) { |
MikamiUitOpen | 2:cf42e62a97dc | 55 | _gpio_init_in(gpio, pin, mode); |
MikamiUitOpen | 2:cf42e62a97dc | 56 | if (pin != NC) |
MikamiUitOpen | 2:cf42e62a97dc | 57 | gpio_write(gpio, value); // we prepare the value in case it is switched later |
MikamiUitOpen | 2:cf42e62a97dc | 58 | } else { |
MikamiUitOpen | 2:cf42e62a97dc | 59 | _gpio_init_out(gpio, pin, mode, value); |
MikamiUitOpen | 2:cf42e62a97dc | 60 | } |
MikamiUitOpen | 2:cf42e62a97dc | 61 | } |