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/Ticker.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_TICKER_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_TICKER_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "TimerEvent.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include "FunctionPointer.h"
MikamiUitOpen 2:cf42e62a97dc 21
MikamiUitOpen 2:cf42e62a97dc 22 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 23
MikamiUitOpen 2:cf42e62a97dc 24 /** A Ticker is used to call a function at a recurring interval
MikamiUitOpen 2:cf42e62a97dc 25 *
MikamiUitOpen 2:cf42e62a97dc 26 * You can use as many seperate Ticker objects as you require.
MikamiUitOpen 2:cf42e62a97dc 27 *
MikamiUitOpen 2:cf42e62a97dc 28 * Example:
MikamiUitOpen 2:cf42e62a97dc 29 * @code
MikamiUitOpen 2:cf42e62a97dc 30 * // Toggle the blinking led after 5 seconds
MikamiUitOpen 2:cf42e62a97dc 31 *
MikamiUitOpen 2:cf42e62a97dc 32 * #include "mbed.h"
MikamiUitOpen 2:cf42e62a97dc 33 *
MikamiUitOpen 2:cf42e62a97dc 34 * Ticker timer;
MikamiUitOpen 2:cf42e62a97dc 35 * DigitalOut led1(LED1);
MikamiUitOpen 2:cf42e62a97dc 36 * DigitalOut led2(LED2);
MikamiUitOpen 2:cf42e62a97dc 37 *
MikamiUitOpen 2:cf42e62a97dc 38 * int flip = 0;
MikamiUitOpen 2:cf42e62a97dc 39 *
MikamiUitOpen 2:cf42e62a97dc 40 * void attime() {
MikamiUitOpen 2:cf42e62a97dc 41 * flip = !flip;
MikamiUitOpen 2:cf42e62a97dc 42 * }
MikamiUitOpen 2:cf42e62a97dc 43 *
MikamiUitOpen 2:cf42e62a97dc 44 * int main() {
MikamiUitOpen 2:cf42e62a97dc 45 * timer.attach(&attime, 5);
MikamiUitOpen 2:cf42e62a97dc 46 * while(1) {
MikamiUitOpen 2:cf42e62a97dc 47 * if(flip == 0) {
MikamiUitOpen 2:cf42e62a97dc 48 * led1 = !led1;
MikamiUitOpen 2:cf42e62a97dc 49 * } else {
MikamiUitOpen 2:cf42e62a97dc 50 * led2 = !led2;
MikamiUitOpen 2:cf42e62a97dc 51 * }
MikamiUitOpen 2:cf42e62a97dc 52 * wait(0.2);
MikamiUitOpen 2:cf42e62a97dc 53 * }
MikamiUitOpen 2:cf42e62a97dc 54 * }
MikamiUitOpen 2:cf42e62a97dc 55 * @endcode
MikamiUitOpen 2:cf42e62a97dc 56 */
MikamiUitOpen 2:cf42e62a97dc 57 class Ticker : public TimerEvent {
MikamiUitOpen 2:cf42e62a97dc 58
MikamiUitOpen 2:cf42e62a97dc 59 public:
MikamiUitOpen 2:cf42e62a97dc 60 Ticker() : TimerEvent() {
MikamiUitOpen 2:cf42e62a97dc 61 }
MikamiUitOpen 2:cf42e62a97dc 62
MikamiUitOpen 2:cf42e62a97dc 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
MikamiUitOpen 2:cf42e62a97dc 64 }
MikamiUitOpen 2:cf42e62a97dc 65
MikamiUitOpen 2:cf42e62a97dc 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
MikamiUitOpen 2:cf42e62a97dc 67 *
MikamiUitOpen 2:cf42e62a97dc 68 * @param fptr pointer to the function to be called
MikamiUitOpen 2:cf42e62a97dc 69 * @param t the time between calls in seconds
MikamiUitOpen 2:cf42e62a97dc 70 */
MikamiUitOpen 2:cf42e62a97dc 71 void attach(void (*fptr)(void), float t) {
MikamiUitOpen 2:cf42e62a97dc 72 attach_us(fptr, t * 1000000.0f);
MikamiUitOpen 2:cf42e62a97dc 73 }
MikamiUitOpen 2:cf42e62a97dc 74
MikamiUitOpen 2:cf42e62a97dc 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
MikamiUitOpen 2:cf42e62a97dc 76 *
MikamiUitOpen 2:cf42e62a97dc 77 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 2:cf42e62a97dc 78 * @param mptr pointer to the member function to be called
MikamiUitOpen 2:cf42e62a97dc 79 * @param t the time between calls in seconds
MikamiUitOpen 2:cf42e62a97dc 80 */
MikamiUitOpen 2:cf42e62a97dc 81 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
MikamiUitOpen 2:cf42e62a97dc 83 attach_us(tptr, mptr, t * 1000000.0f);
MikamiUitOpen 2:cf42e62a97dc 84 }
MikamiUitOpen 2:cf42e62a97dc 85
MikamiUitOpen 2:cf42e62a97dc 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
MikamiUitOpen 2:cf42e62a97dc 87 *
MikamiUitOpen 2:cf42e62a97dc 88 * @param fptr pointer to the function to be called
MikamiUitOpen 2:cf42e62a97dc 89 * @param t the time between calls in micro-seconds
MikamiUitOpen 2:cf42e62a97dc 90 */
MikamiUitOpen 2:cf42e62a97dc 91 void attach_us(void (*fptr)(void), timestamp_t t) {
MikamiUitOpen 2:cf42e62a97dc 92 _function.attach(fptr);
MikamiUitOpen 2:cf42e62a97dc 93 setup(t);
MikamiUitOpen 2:cf42e62a97dc 94 }
MikamiUitOpen 2:cf42e62a97dc 95
MikamiUitOpen 2:cf42e62a97dc 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
MikamiUitOpen 2:cf42e62a97dc 97 *
MikamiUitOpen 2:cf42e62a97dc 98 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 2:cf42e62a97dc 99 * @param mptr pointer to the member function to be called
MikamiUitOpen 2:cf42e62a97dc 100 * @param t the time between calls in micro-seconds
MikamiUitOpen 2:cf42e62a97dc 101 */
MikamiUitOpen 2:cf42e62a97dc 102 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
MikamiUitOpen 2:cf42e62a97dc 104 _function.attach(tptr, mptr);
MikamiUitOpen 2:cf42e62a97dc 105 setup(t);
MikamiUitOpen 2:cf42e62a97dc 106 }
MikamiUitOpen 2:cf42e62a97dc 107
MikamiUitOpen 2:cf42e62a97dc 108 virtual ~Ticker() {
MikamiUitOpen 2:cf42e62a97dc 109 detach();
MikamiUitOpen 2:cf42e62a97dc 110 }
MikamiUitOpen 2:cf42e62a97dc 111
MikamiUitOpen 2:cf42e62a97dc 112 /** Detach the function
MikamiUitOpen 2:cf42e62a97dc 113 */
MikamiUitOpen 2:cf42e62a97dc 114 void detach();
MikamiUitOpen 2:cf42e62a97dc 115
MikamiUitOpen 2:cf42e62a97dc 116 protected:
MikamiUitOpen 2:cf42e62a97dc 117 void setup(timestamp_t t);
MikamiUitOpen 2:cf42e62a97dc 118 virtual void handler();
MikamiUitOpen 2:cf42e62a97dc 119
MikamiUitOpen 2:cf42e62a97dc 120 protected:
MikamiUitOpen 2:cf42e62a97dc 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
MikamiUitOpen 2:cf42e62a97dc 122 FunctionPointer _function; /**< Callback. */
MikamiUitOpen 2:cf42e62a97dc 123 };
MikamiUitOpen 2:cf42e62a97dc 124
MikamiUitOpen 2:cf42e62a97dc 125 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 126
MikamiUitOpen 2:cf42e62a97dc 127 #endif