不韋 呂 / F746_AcousticEffector_MIC

Audio singal input and output example for DISCO-F746. Input: MEMS mic, Output: CN10 OUT, Acoustic effect: echo and frequency shift. DISCO-F746 によるオーディオ信号入出力．入力：MEMS マイク，出力：CN10 OUT，音響効果：エコー，周波数変換．

Dependencies:   F746_GUI F746_SAI_IO

mbed_src_STM32F7/api/Ticker.h@10:56f2f01df983, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:44:13 2017 +0000
Revision:
10:56f2f01df983
Parent:
6:38f7dce055d0 
11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 6:38f7dce055d0 1 /* mbed Microcontroller Library
MikamiUitOpen 6:38f7dce055d0 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 6:38f7dce055d0 3 *
MikamiUitOpen 6:38f7dce055d0 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 6:38f7dce055d0 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 6:38f7dce055d0 6 * You may obtain a copy of the License at
MikamiUitOpen 6:38f7dce055d0 7 *
MikamiUitOpen 6:38f7dce055d0 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 6:38f7dce055d0 9 *
MikamiUitOpen 6:38f7dce055d0 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 6:38f7dce055d0 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 6:38f7dce055d0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 6:38f7dce055d0 13 * See the License for the specific language governing permissions and
MikamiUitOpen 6:38f7dce055d0 14 * limitations under the License.
MikamiUitOpen 6:38f7dce055d0 15 */
MikamiUitOpen 6:38f7dce055d0 16 #ifndef MBED_TICKER_H
MikamiUitOpen 6:38f7dce055d0 17 #define MBED_TICKER_H
MikamiUitOpen 6:38f7dce055d0 18
MikamiUitOpen 6:38f7dce055d0 19 #include "TimerEvent.h"
MikamiUitOpen 6:38f7dce055d0 20 #include "FunctionPointer.h"
MikamiUitOpen 6:38f7dce055d0 21
MikamiUitOpen 6:38f7dce055d0 22 namespace mbed {
MikamiUitOpen 6:38f7dce055d0 23
MikamiUitOpen 6:38f7dce055d0 24 /** A Ticker is used to call a function at a recurring interval
MikamiUitOpen 6:38f7dce055d0 25 *
MikamiUitOpen 6:38f7dce055d0 26 * You can use as many seperate Ticker objects as you require.
MikamiUitOpen 6:38f7dce055d0 27 *
MikamiUitOpen 6:38f7dce055d0 28 * Example:
MikamiUitOpen 6:38f7dce055d0 29 * @code
MikamiUitOpen 6:38f7dce055d0 30 * // Toggle the blinking led after 5 seconds
MikamiUitOpen 6:38f7dce055d0 31 *
MikamiUitOpen 6:38f7dce055d0 32 * #include "mbed.h"
MikamiUitOpen 6:38f7dce055d0 33 *
MikamiUitOpen 6:38f7dce055d0 34 * Ticker timer;
MikamiUitOpen 6:38f7dce055d0 35 * DigitalOut led1(LED1);
MikamiUitOpen 6:38f7dce055d0 36 * DigitalOut led2(LED2);
MikamiUitOpen 6:38f7dce055d0 37 *
MikamiUitOpen 6:38f7dce055d0 38 * int flip = 0;
MikamiUitOpen 6:38f7dce055d0 39 *
MikamiUitOpen 6:38f7dce055d0 40 * void attime() {
MikamiUitOpen 6:38f7dce055d0 41 * flip = !flip;
MikamiUitOpen 6:38f7dce055d0 42 * }
MikamiUitOpen 6:38f7dce055d0 43 *
MikamiUitOpen 6:38f7dce055d0 44 * int main() {
MikamiUitOpen 6:38f7dce055d0 45 * timer.attach(&attime, 5);
MikamiUitOpen 6:38f7dce055d0 46 * while(1) {
MikamiUitOpen 6:38f7dce055d0 47 * if(flip == 0) {
MikamiUitOpen 6:38f7dce055d0 48 * led1 = !led1;
MikamiUitOpen 6:38f7dce055d0 49 * } else {
MikamiUitOpen 6:38f7dce055d0 50 * led2 = !led2;
MikamiUitOpen 6:38f7dce055d0 51 * }
MikamiUitOpen 6:38f7dce055d0 52 * wait(0.2);
MikamiUitOpen 6:38f7dce055d0 53 * }
MikamiUitOpen 6:38f7dce055d0 54 * }
MikamiUitOpen 6:38f7dce055d0 55 * @endcode
MikamiUitOpen 6:38f7dce055d0 56 */
MikamiUitOpen 6:38f7dce055d0 57 class Ticker : public TimerEvent {
MikamiUitOpen 6:38f7dce055d0 58
MikamiUitOpen 6:38f7dce055d0 59 public:
MikamiUitOpen 6:38f7dce055d0 60 Ticker() : TimerEvent() {
MikamiUitOpen 6:38f7dce055d0 61 }
MikamiUitOpen 6:38f7dce055d0 62
MikamiUitOpen 6:38f7dce055d0 63 Ticker(const ticker_data_t *data) : TimerEvent(data) {
MikamiUitOpen 6:38f7dce055d0 64 }
MikamiUitOpen 6:38f7dce055d0 65
MikamiUitOpen 6:38f7dce055d0 66 /** Attach a function to be called by the Ticker, specifiying the interval in seconds
MikamiUitOpen 6:38f7dce055d0 67 *
MikamiUitOpen 6:38f7dce055d0 68 * @param fptr pointer to the function to be called
MikamiUitOpen 6:38f7dce055d0 69 * @param t the time between calls in seconds
MikamiUitOpen 6:38f7dce055d0 70 */
MikamiUitOpen 6:38f7dce055d0 71 void attach(void (*fptr)(void), float t) {
MikamiUitOpen 6:38f7dce055d0 72 attach_us(fptr, t * 1000000.0f);
MikamiUitOpen 6:38f7dce055d0 73 }
MikamiUitOpen 6:38f7dce055d0 74
MikamiUitOpen 6:38f7dce055d0 75 /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
MikamiUitOpen 6:38f7dce055d0 76 *
MikamiUitOpen 6:38f7dce055d0 77 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 6:38f7dce055d0 78 * @param mptr pointer to the member function to be called
MikamiUitOpen 6:38f7dce055d0 79 * @param t the time between calls in seconds
MikamiUitOpen 6:38f7dce055d0 80 */
MikamiUitOpen 6:38f7dce055d0 81 template<typename T>
MikamiUitOpen 6:38f7dce055d0 82 void attach(T* tptr, void (T::*mptr)(void), float t) {
MikamiUitOpen 6:38f7dce055d0 83 attach_us(tptr, mptr, t * 1000000.0f);
MikamiUitOpen 6:38f7dce055d0 84 }
MikamiUitOpen 6:38f7dce055d0 85
MikamiUitOpen 6:38f7dce055d0 86 /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
MikamiUitOpen 6:38f7dce055d0 87 *
MikamiUitOpen 6:38f7dce055d0 88 * @param fptr pointer to the function to be called
MikamiUitOpen 6:38f7dce055d0 89 * @param t the time between calls in micro-seconds
MikamiUitOpen 6:38f7dce055d0 90 */
MikamiUitOpen 6:38f7dce055d0 91 void attach_us(void (*fptr)(void), timestamp_t t) {
MikamiUitOpen 6:38f7dce055d0 92 _function.attach(fptr);
MikamiUitOpen 6:38f7dce055d0 93 setup(t);
MikamiUitOpen 6:38f7dce055d0 94 }
MikamiUitOpen 6:38f7dce055d0 95
MikamiUitOpen 6:38f7dce055d0 96 /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
MikamiUitOpen 6:38f7dce055d0 97 *
MikamiUitOpen 6:38f7dce055d0 98 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 6:38f7dce055d0 99 * @param mptr pointer to the member function to be called
MikamiUitOpen 6:38f7dce055d0 100 * @param t the time between calls in micro-seconds
MikamiUitOpen 6:38f7dce055d0 101 */
MikamiUitOpen 6:38f7dce055d0 102 template<typename T>
MikamiUitOpen 6:38f7dce055d0 103 void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
MikamiUitOpen 6:38f7dce055d0 104 _function.attach(tptr, mptr);
MikamiUitOpen 6:38f7dce055d0 105 setup(t);
MikamiUitOpen 6:38f7dce055d0 106 }
MikamiUitOpen 6:38f7dce055d0 107
MikamiUitOpen 6:38f7dce055d0 108 virtual ~Ticker() {
MikamiUitOpen 6:38f7dce055d0 109 detach();
MikamiUitOpen 6:38f7dce055d0 110 }
MikamiUitOpen 6:38f7dce055d0 111
MikamiUitOpen 6:38f7dce055d0 112 /** Detach the function
MikamiUitOpen 6:38f7dce055d0 113 */
MikamiUitOpen 6:38f7dce055d0 114 void detach();
MikamiUitOpen 6:38f7dce055d0 115
MikamiUitOpen 6:38f7dce055d0 116 protected:
MikamiUitOpen 6:38f7dce055d0 117 void setup(timestamp_t t);
MikamiUitOpen 6:38f7dce055d0 118 virtual void handler();
MikamiUitOpen 6:38f7dce055d0 119
MikamiUitOpen 6:38f7dce055d0 120 protected:
MikamiUitOpen 6:38f7dce055d0 121 timestamp_t _delay; /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
MikamiUitOpen 6:38f7dce055d0 122 FunctionPointer _function; /**< Callback. */
MikamiUitOpen 6:38f7dce055d0 123 };
MikamiUitOpen 6:38f7dce055d0 124
MikamiUitOpen 6:38f7dce055d0 125 } // namespace mbed
MikamiUitOpen 6:38f7dce055d0 126
MikamiUitOpen 6:38f7dce055d0 127 #endif