不韋 呂 / F746_SD_Player_Demo

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?

UserRevisionLine numberNew 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 }