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/DigitalIn.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_DIGITALIN_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_DIGITALIN_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, used for reading the state of a pin
MikamiUitOpen 2:cf42e62a97dc 26 *
MikamiUitOpen 2:cf42e62a97dc 27 * Example:
MikamiUitOpen 2:cf42e62a97dc 28 * @code
MikamiUitOpen 2:cf42e62a97dc 29 * // Flash an LED while a DigitalIn is true
MikamiUitOpen 2:cf42e62a97dc 30 *
MikamiUitOpen 2:cf42e62a97dc 31 * #include "mbed.h"
MikamiUitOpen 2:cf42e62a97dc 32 *
MikamiUitOpen 2:cf42e62a97dc 33 * DigitalIn enable(p5);
MikamiUitOpen 2:cf42e62a97dc 34 * DigitalOut led(LED1);
MikamiUitOpen 2:cf42e62a97dc 35 *
MikamiUitOpen 2:cf42e62a97dc 36 * int main() {
MikamiUitOpen 2:cf42e62a97dc 37 * while(1) {
MikamiUitOpen 2:cf42e62a97dc 38 * if(enable) {
MikamiUitOpen 2:cf42e62a97dc 39 * led = !led;
MikamiUitOpen 2:cf42e62a97dc 40 * }
MikamiUitOpen 2:cf42e62a97dc 41 * wait(0.25);
MikamiUitOpen 2:cf42e62a97dc 42 * }
MikamiUitOpen 2:cf42e62a97dc 43 * }
MikamiUitOpen 2:cf42e62a97dc 44 * @endcode
MikamiUitOpen 2:cf42e62a97dc 45 */
MikamiUitOpen 2:cf42e62a97dc 46 class DigitalIn {
MikamiUitOpen 2:cf42e62a97dc 47
MikamiUitOpen 2:cf42e62a97dc 48 public:
MikamiUitOpen 2:cf42e62a97dc 49 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 50 *
MikamiUitOpen 2:cf42e62a97dc 51 * @param pin DigitalIn pin to connect to
MikamiUitOpen 2:cf42e62a97dc 52 */
MikamiUitOpen 2:cf42e62a97dc 53 DigitalIn(PinName pin) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 54 gpio_init_in(&gpio, pin);
MikamiUitOpen 2:cf42e62a97dc 55 }
MikamiUitOpen 2:cf42e62a97dc 56
MikamiUitOpen 2:cf42e62a97dc 57 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 2:cf42e62a97dc 58 *
MikamiUitOpen 2:cf42e62a97dc 59 * @param pin DigitalIn pin to connect to
MikamiUitOpen 2:cf42e62a97dc 60 * @param mode the initial mode of the pin
MikamiUitOpen 2:cf42e62a97dc 61 */
MikamiUitOpen 2:cf42e62a97dc 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
MikamiUitOpen 2:cf42e62a97dc 63 gpio_init_in_ex(&gpio, pin, mode);
MikamiUitOpen 2:cf42e62a97dc 64 }
MikamiUitOpen 2:cf42e62a97dc 65 /** Read the input, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 66 *
MikamiUitOpen 2:cf42e62a97dc 67 * @returns
MikamiUitOpen 2:cf42e62a97dc 68 * An integer representing the state of the input pin,
MikamiUitOpen 2:cf42e62a97dc 69 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 2:cf42e62a97dc 70 */
MikamiUitOpen 2:cf42e62a97dc 71 int read() {
MikamiUitOpen 2:cf42e62a97dc 72 return gpio_read(&gpio);
MikamiUitOpen 2:cf42e62a97dc 73 }
MikamiUitOpen 2:cf42e62a97dc 74
MikamiUitOpen 2:cf42e62a97dc 75 /** Set the input pin mode
MikamiUitOpen 2:cf42e62a97dc 76 *
MikamiUitOpen 2:cf42e62a97dc 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 2:cf42e62a97dc 78 */
MikamiUitOpen 2:cf42e62a97dc 79 void mode(PinMode pull) {
MikamiUitOpen 2:cf42e62a97dc 80 gpio_mode(&gpio, pull);
MikamiUitOpen 2:cf42e62a97dc 81 }
MikamiUitOpen 2:cf42e62a97dc 82
MikamiUitOpen 2:cf42e62a97dc 83 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 2:cf42e62a97dc 84 *
MikamiUitOpen 2:cf42e62a97dc 85 * @returns
MikamiUitOpen 2:cf42e62a97dc 86 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 2:cf42e62a97dc 87 * 0 if gpio object was initialized with NC
MikamiUitOpen 2:cf42e62a97dc 88 */
MikamiUitOpen 2:cf42e62a97dc 89 int is_connected() {
MikamiUitOpen 2:cf42e62a97dc 90 return gpio_is_connected(&gpio);
MikamiUitOpen 2:cf42e62a97dc 91 }
MikamiUitOpen 2:cf42e62a97dc 92
MikamiUitOpen 2:cf42e62a97dc 93 #ifdef MBED_OPERATORS
MikamiUitOpen 2:cf42e62a97dc 94 /** An operator shorthand for read()
MikamiUitOpen 2:cf42e62a97dc 95 */
MikamiUitOpen 2:cf42e62a97dc 96 operator int() {
MikamiUitOpen 2:cf42e62a97dc 97 return read();
MikamiUitOpen 2:cf42e62a97dc 98 }
MikamiUitOpen 2:cf42e62a97dc 99 #endif
MikamiUitOpen 2:cf42e62a97dc 100
MikamiUitOpen 2:cf42e62a97dc 101 protected:
MikamiUitOpen 2:cf42e62a97dc 102 gpio_t gpio;
MikamiUitOpen 2:cf42e62a97dc 103 };
MikamiUitOpen 2:cf42e62a97dc 104
MikamiUitOpen 2:cf42e62a97dc 105 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 106
MikamiUitOpen 2:cf42e62a97dc 107 #endif