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/api/DigitalInOut.h@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 #ifndef MBED_DIGITALINOUT_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_DIGITALINOUT_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "platform.h"
MikamiUitOpen 2:cf42e62a97dc 20
MikamiUitOpen 2:cf42e62a97dc 21 #include "gpio_api.h"
MikamiUitOpen 2:cf42e62a97dc 22
MikamiUitOpen 2:cf42e62a97dc 23 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 24
MikamiUitOpen 2:cf42e62a97dc 25 /** A digital input/output, used for setting or reading a bi-directional pin
MikamiUitOpen 2:cf42e62a97dc 26 */
MikamiUitOpen 2:cf42e62a97dc 27 class DigitalInOut {
MikamiUitOpen 2:cf42e62a97dc 28
MikamiUitOpen 2:cf42e62a97dc 29 public:
MikamiUitOpen 2:cf42e62a97dc 30 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 31 *
MikamiUitOpen 2:cf42e62a97dc 32 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 2:cf42e62a97dc 33 */
MikamiUitOpen 2:cf42e62a97dc 34 DigitalInOut(PinName pin) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 35 gpio_init_in(&gpio, pin);
MikamiUitOpen 2:cf42e62a97dc 36 }
MikamiUitOpen 2:cf42e62a97dc 37
MikamiUitOpen 2:cf42e62a97dc 38 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 39 *
MikamiUitOpen 2:cf42e62a97dc 40 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 2:cf42e62a97dc 41 * @param direction the initial direction of the pin
MikamiUitOpen 2:cf42e62a97dc 42 * @param mode the initial mode of the pin
MikamiUitOpen 2:cf42e62a97dc 43 * @param value the initial value of the pin if is an output
MikamiUitOpen 2:cf42e62a97dc 44 */
MikamiUitOpen 2:cf42e62a97dc 45 DigitalInOut(PinName pin, PinDirection direction, PinMode mode, int value) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 46 gpio_init_inout(&gpio, pin, direction, mode, value);
MikamiUitOpen 2:cf42e62a97dc 47 }
MikamiUitOpen 2:cf42e62a97dc 48
MikamiUitOpen 2:cf42e62a97dc 49 /** Set the output, specified as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 50 *
MikamiUitOpen 2:cf42e62a97dc 51 * @param value An integer specifying the pin output value,
MikamiUitOpen 2:cf42e62a97dc 52 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
MikamiUitOpen 2:cf42e62a97dc 53 */
MikamiUitOpen 2:cf42e62a97dc 54 void write(int value) {
MikamiUitOpen 2:cf42e62a97dc 55 gpio_write(&gpio, value);
MikamiUitOpen 2:cf42e62a97dc 56 }
MikamiUitOpen 2:cf42e62a97dc 57
MikamiUitOpen 2:cf42e62a97dc 58 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 59 *
MikamiUitOpen 2:cf42e62a97dc 60 * @returns
MikamiUitOpen 2:cf42e62a97dc 61 * an integer representing the output setting of the pin if it is an output,
MikamiUitOpen 2:cf42e62a97dc 62 * or read the input if set as an input
MikamiUitOpen 2:cf42e62a97dc 63 */
MikamiUitOpen 2:cf42e62a97dc 64 int read() {
MikamiUitOpen 2:cf42e62a97dc 65 return gpio_read(&gpio);
MikamiUitOpen 2:cf42e62a97dc 66 }
MikamiUitOpen 2:cf42e62a97dc 67
MikamiUitOpen 2:cf42e62a97dc 68 /** Set as an output
MikamiUitOpen 2:cf42e62a97dc 69 */
MikamiUitOpen 2:cf42e62a97dc 70 void output() {
MikamiUitOpen 2:cf42e62a97dc 71 gpio_dir(&gpio, PIN_OUTPUT);
MikamiUitOpen 2:cf42e62a97dc 72 }
MikamiUitOpen 2:cf42e62a97dc 73
MikamiUitOpen 2:cf42e62a97dc 74 /** Set as an input
MikamiUitOpen 2:cf42e62a97dc 75 */
MikamiUitOpen 2:cf42e62a97dc 76 void input() {
MikamiUitOpen 2:cf42e62a97dc 77 gpio_dir(&gpio, PIN_INPUT);
MikamiUitOpen 2:cf42e62a97dc 78 }
MikamiUitOpen 2:cf42e62a97dc 79
MikamiUitOpen 2:cf42e62a97dc 80 /** Set the input pin mode
MikamiUitOpen 2:cf42e62a97dc 81 *
MikamiUitOpen 2:cf42e62a97dc 82 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 2:cf42e62a97dc 83 */
MikamiUitOpen 2:cf42e62a97dc 84 void mode(PinMode pull) {
MikamiUitOpen 2:cf42e62a97dc 85 gpio_mode(&gpio, pull);
MikamiUitOpen 2:cf42e62a97dc 86 }
MikamiUitOpen 2:cf42e62a97dc 87
MikamiUitOpen 2:cf42e62a97dc 88 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 89 *
MikamiUitOpen 2:cf42e62a97dc 90 * @returns
MikamiUitOpen 2:cf42e62a97dc 91 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 2:cf42e62a97dc 92 * 0 if gpio object was initialized with NC
MikamiUitOpen 2:cf42e62a97dc 93 */
MikamiUitOpen 2:cf42e62a97dc 94 int is_connected() {
MikamiUitOpen 2:cf42e62a97dc 95 return gpio_is_connected(&gpio);
MikamiUitOpen 2:cf42e62a97dc 96 }
MikamiUitOpen 2:cf42e62a97dc 97
MikamiUitOpen 2:cf42e62a97dc 98 #ifdef MBED_OPERATORS
MikamiUitOpen 2:cf42e62a97dc 99 /** A shorthand for write()
MikamiUitOpen 2:cf42e62a97dc 100 */
MikamiUitOpen 2:cf42e62a97dc 101 DigitalInOut& operator= (int value) {
MikamiUitOpen 2:cf42e62a97dc 102 write(value);
MikamiUitOpen 2:cf42e62a97dc 103 return *this;
MikamiUitOpen 2:cf42e62a97dc 104 }
MikamiUitOpen 2:cf42e62a97dc 105
MikamiUitOpen 2:cf42e62a97dc 106 DigitalInOut& operator= (DigitalInOut& rhs) {
MikamiUitOpen 2:cf42e62a97dc 107 write(rhs.read());
MikamiUitOpen 2:cf42e62a97dc 108 return *this;
MikamiUitOpen 2:cf42e62a97dc 109 }
MikamiUitOpen 2:cf42e62a97dc 110
MikamiUitOpen 2:cf42e62a97dc 111 /** A shorthand for read()
MikamiUitOpen 2:cf42e62a97dc 112 */
MikamiUitOpen 2:cf42e62a97dc 113 operator int() {
MikamiUitOpen 2:cf42e62a97dc 114 return read();
MikamiUitOpen 2:cf42e62a97dc 115 }
MikamiUitOpen 2:cf42e62a97dc 116 #endif
MikamiUitOpen 2:cf42e62a97dc 117
MikamiUitOpen 2:cf42e62a97dc 118 protected:
MikamiUitOpen 2:cf42e62a97dc 119 gpio_t gpio;
MikamiUitOpen 2:cf42e62a97dc 120 };
MikamiUitOpen 2:cf42e62a97dc 121
MikamiUitOpen 2:cf42e62a97dc 122 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 123
MikamiUitOpen 2:cf42e62a97dc 124 #endif