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/DigitalOut.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_DIGITALOUT_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_DIGITALOUT_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "platform.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include "gpio_api.h"
MikamiUitOpen 2:cf42e62a97dc 21
MikamiUitOpen 2:cf42e62a97dc 22 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 23
MikamiUitOpen 2:cf42e62a97dc 24 /** A digital output, used for setting the state of a pin
MikamiUitOpen 2:cf42e62a97dc 25 *
MikamiUitOpen 2:cf42e62a97dc 26 * Example:
MikamiUitOpen 2:cf42e62a97dc 27 * @code
MikamiUitOpen 2:cf42e62a97dc 28 * // Toggle a LED
MikamiUitOpen 2:cf42e62a97dc 29 * #include "mbed.h"
MikamiUitOpen 2:cf42e62a97dc 30 *
MikamiUitOpen 2:cf42e62a97dc 31 * DigitalOut led(LED1);
MikamiUitOpen 2:cf42e62a97dc 32 *
MikamiUitOpen 2:cf42e62a97dc 33 * int main() {
MikamiUitOpen 2:cf42e62a97dc 34 * while(1) {
MikamiUitOpen 2:cf42e62a97dc 35 * led = !led;
MikamiUitOpen 2:cf42e62a97dc 36 * wait(0.2);
MikamiUitOpen 2:cf42e62a97dc 37 * }
MikamiUitOpen 2:cf42e62a97dc 38 * }
MikamiUitOpen 2:cf42e62a97dc 39 * @endcode
MikamiUitOpen 2:cf42e62a97dc 40 */
MikamiUitOpen 2:cf42e62a97dc 41 class DigitalOut {
MikamiUitOpen 2:cf42e62a97dc 42
MikamiUitOpen 2:cf42e62a97dc 43 public:
MikamiUitOpen 2:cf42e62a97dc 44 /** Create a DigitalOut connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 45 *
MikamiUitOpen 2:cf42e62a97dc 46 * @param pin DigitalOut pin to connect to
MikamiUitOpen 2:cf42e62a97dc 47 */
MikamiUitOpen 2:cf42e62a97dc 48 DigitalOut(PinName pin) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 49 gpio_init_out(&gpio, pin);
MikamiUitOpen 2:cf42e62a97dc 50 }
MikamiUitOpen 2:cf42e62a97dc 51
MikamiUitOpen 2:cf42e62a97dc 52 /** Create a DigitalOut connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 53 *
MikamiUitOpen 2:cf42e62a97dc 54 * @param pin DigitalOut pin to connect to
MikamiUitOpen 2:cf42e62a97dc 55 * @param value the initial pin value
MikamiUitOpen 2:cf42e62a97dc 56 */
MikamiUitOpen 2:cf42e62a97dc 57 DigitalOut(PinName pin, int value) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 58 gpio_init_out_ex(&gpio, pin, value);
MikamiUitOpen 2:cf42e62a97dc 59 }
MikamiUitOpen 2:cf42e62a97dc 60
MikamiUitOpen 2:cf42e62a97dc 61 /** Set the output, specified as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 62 *
MikamiUitOpen 2:cf42e62a97dc 63 * @param value An integer specifying the pin output value,
MikamiUitOpen 2:cf42e62a97dc 64 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
MikamiUitOpen 2:cf42e62a97dc 65 */
MikamiUitOpen 2:cf42e62a97dc 66 void write(int value) {
MikamiUitOpen 2:cf42e62a97dc 67 gpio_write(&gpio, value);
MikamiUitOpen 2:cf42e62a97dc 68 }
MikamiUitOpen 2:cf42e62a97dc 69
MikamiUitOpen 2:cf42e62a97dc 70 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 71 *
MikamiUitOpen 2:cf42e62a97dc 72 * @returns
MikamiUitOpen 2:cf42e62a97dc 73 * an integer representing the output setting of the pin,
MikamiUitOpen 2:cf42e62a97dc 74 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 2:cf42e62a97dc 75 */
MikamiUitOpen 2:cf42e62a97dc 76 int read() {
MikamiUitOpen 2:cf42e62a97dc 77 return gpio_read(&gpio);
MikamiUitOpen 2:cf42e62a97dc 78 }
MikamiUitOpen 2:cf42e62a97dc 79
MikamiUitOpen 2:cf42e62a97dc 80 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 81 *
MikamiUitOpen 2:cf42e62a97dc 82 * @returns
MikamiUitOpen 2:cf42e62a97dc 83 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 2:cf42e62a97dc 84 * 0 if gpio object was initialized with NC
MikamiUitOpen 2:cf42e62a97dc 85 */
MikamiUitOpen 2:cf42e62a97dc 86 int is_connected() {
MikamiUitOpen 2:cf42e62a97dc 87 return gpio_is_connected(&gpio);
MikamiUitOpen 2:cf42e62a97dc 88 }
MikamiUitOpen 2:cf42e62a97dc 89
MikamiUitOpen 2:cf42e62a97dc 90 #ifdef MBED_OPERATORS
MikamiUitOpen 2:cf42e62a97dc 91 /** A shorthand for write()
MikamiUitOpen 2:cf42e62a97dc 92 */
MikamiUitOpen 2:cf42e62a97dc 93 DigitalOut& operator= (int value) {
MikamiUitOpen 2:cf42e62a97dc 94 write(value);
MikamiUitOpen 2:cf42e62a97dc 95 return *this;
MikamiUitOpen 2:cf42e62a97dc 96 }
MikamiUitOpen 2:cf42e62a97dc 97
MikamiUitOpen 2:cf42e62a97dc 98 DigitalOut& operator= (DigitalOut& rhs) {
MikamiUitOpen 2:cf42e62a97dc 99 write(rhs.read());
MikamiUitOpen 2:cf42e62a97dc 100 return *this;
MikamiUitOpen 2:cf42e62a97dc 101 }
MikamiUitOpen 2:cf42e62a97dc 102
MikamiUitOpen 2:cf42e62a97dc 103 /** A shorthand for read()
MikamiUitOpen 2:cf42e62a97dc 104 */
MikamiUitOpen 2:cf42e62a97dc 105 operator int() {
MikamiUitOpen 2:cf42e62a97dc 106 return read();
MikamiUitOpen 2:cf42e62a97dc 107 }
MikamiUitOpen 2:cf42e62a97dc 108 #endif
MikamiUitOpen 2:cf42e62a97dc 109
MikamiUitOpen 2:cf42e62a97dc 110 protected:
MikamiUitOpen 2:cf42e62a97dc 111 gpio_t gpio;
MikamiUitOpen 2:cf42e62a97dc 112 };
MikamiUitOpen 2:cf42e62a97dc 113
MikamiUitOpen 2:cf42e62a97dc 114 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 115
MikamiUitOpen 2:cf42e62a97dc 116 #endif