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/Timer.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_TIMER_H
MikamiUitOpen 6:38f7dce055d0 17 #define MBED_TIMER_H
MikamiUitOpen 6:38f7dce055d0 18
MikamiUitOpen 6:38f7dce055d0 19 #include "platform.h"
MikamiUitOpen 6:38f7dce055d0 20 #include "ticker_api.h"
MikamiUitOpen 6:38f7dce055d0 21
MikamiUitOpen 6:38f7dce055d0 22 namespace mbed {
MikamiUitOpen 6:38f7dce055d0 23
MikamiUitOpen 6:38f7dce055d0 24 /** A general purpose timer
MikamiUitOpen 6:38f7dce055d0 25 *
MikamiUitOpen 6:38f7dce055d0 26 * Example:
MikamiUitOpen 6:38f7dce055d0 27 * @code
MikamiUitOpen 6:38f7dce055d0 28 * // Count the time to toggle a LED
MikamiUitOpen 6:38f7dce055d0 29 *
MikamiUitOpen 6:38f7dce055d0 30 * #include "mbed.h"
MikamiUitOpen 6:38f7dce055d0 31 *
MikamiUitOpen 6:38f7dce055d0 32 * Timer timer;
MikamiUitOpen 6:38f7dce055d0 33 * DigitalOut led(LED1);
MikamiUitOpen 6:38f7dce055d0 34 * int begin, end;
MikamiUitOpen 6:38f7dce055d0 35 *
MikamiUitOpen 6:38f7dce055d0 36 * int main() {
MikamiUitOpen 6:38f7dce055d0 37 * timer.start();
MikamiUitOpen 6:38f7dce055d0 38 * begin = timer.read_us();
MikamiUitOpen 6:38f7dce055d0 39 * led = !led;
MikamiUitOpen 6:38f7dce055d0 40 * end = timer.read_us();
MikamiUitOpen 6:38f7dce055d0 41 * printf("Toggle the led takes %d us", end - begin);
MikamiUitOpen 6:38f7dce055d0 42 * }
MikamiUitOpen 6:38f7dce055d0 43 * @endcode
MikamiUitOpen 6:38f7dce055d0 44 */
MikamiUitOpen 6:38f7dce055d0 45 class Timer {
MikamiUitOpen 6:38f7dce055d0 46
MikamiUitOpen 6:38f7dce055d0 47 public:
MikamiUitOpen 6:38f7dce055d0 48 Timer();
MikamiUitOpen 6:38f7dce055d0 49 Timer(const ticker_data_t *data);
MikamiUitOpen 6:38f7dce055d0 50
MikamiUitOpen 6:38f7dce055d0 51 /** Start the timer
MikamiUitOpen 6:38f7dce055d0 52 */
MikamiUitOpen 6:38f7dce055d0 53 void start();
MikamiUitOpen 6:38f7dce055d0 54
MikamiUitOpen 6:38f7dce055d0 55 /** Stop the timer
MikamiUitOpen 6:38f7dce055d0 56 */
MikamiUitOpen 6:38f7dce055d0 57 void stop();
MikamiUitOpen 6:38f7dce055d0 58
MikamiUitOpen 6:38f7dce055d0 59 /** Reset the timer to 0.
MikamiUitOpen 6:38f7dce055d0 60 *
MikamiUitOpen 6:38f7dce055d0 61 * If it was already counting, it will continue
MikamiUitOpen 6:38f7dce055d0 62 */
MikamiUitOpen 6:38f7dce055d0 63 void reset();
MikamiUitOpen 6:38f7dce055d0 64
MikamiUitOpen 6:38f7dce055d0 65 /** Get the time passed in seconds
MikamiUitOpen 6:38f7dce055d0 66 */
MikamiUitOpen 6:38f7dce055d0 67 float read();
MikamiUitOpen 6:38f7dce055d0 68
MikamiUitOpen 6:38f7dce055d0 69 /** Get the time passed in mili-seconds
MikamiUitOpen 6:38f7dce055d0 70 */
MikamiUitOpen 6:38f7dce055d0 71 int read_ms();
MikamiUitOpen 6:38f7dce055d0 72
MikamiUitOpen 6:38f7dce055d0 73 /** Get the time passed in micro-seconds
MikamiUitOpen 6:38f7dce055d0 74 */
MikamiUitOpen 6:38f7dce055d0 75 int read_us();
MikamiUitOpen 6:38f7dce055d0 76
MikamiUitOpen 6:38f7dce055d0 77 #ifdef MBED_OPERATORS
MikamiUitOpen 6:38f7dce055d0 78 operator float();
MikamiUitOpen 6:38f7dce055d0 79 #endif
MikamiUitOpen 6:38f7dce055d0 80
MikamiUitOpen 6:38f7dce055d0 81 protected:
MikamiUitOpen 6:38f7dce055d0 82 int slicetime();
MikamiUitOpen 6:38f7dce055d0 83 int _running; // whether the timer is running
MikamiUitOpen 6:38f7dce055d0 84 unsigned int _start; // the start time of the latest slice
MikamiUitOpen 6:38f7dce055d0 85 int _time; // any accumulated time from previous slices
MikamiUitOpen 6:38f7dce055d0 86 const ticker_data_t *_ticker_data;
MikamiUitOpen 6:38f7dce055d0 87 };
MikamiUitOpen 6:38f7dce055d0 88
MikamiUitOpen 6:38f7dce055d0 89 } // namespace mbed
MikamiUitOpen 6:38f7dce055d0 90
MikamiUitOpen 6:38f7dce055d0 91 #endif