不韋 呂 / F746_SD_GraphicEqualizer

Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer

mbed_src_STM32F7/api/Timer.h@24:f78f9d0ac262, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 04:07:35 2017 +0000
Revision:
24:f78f9d0ac262
Parent:
16:cbb726ac20d8 
25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 /* mbed Microcontroller Library
MikamiUitOpen 16:cbb726ac20d8 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 16:cbb726ac20d8 3 *
MikamiUitOpen 16:cbb726ac20d8 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 16:cbb726ac20d8 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 16:cbb726ac20d8 6 * You may obtain a copy of the License at
MikamiUitOpen 16:cbb726ac20d8 7 *
MikamiUitOpen 16:cbb726ac20d8 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 16:cbb726ac20d8 9 *
MikamiUitOpen 16:cbb726ac20d8 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 16:cbb726ac20d8 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 16:cbb726ac20d8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 16:cbb726ac20d8 13 * See the License for the specific language governing permissions and
MikamiUitOpen 16:cbb726ac20d8 14 * limitations under the License.
MikamiUitOpen 16:cbb726ac20d8 15 */
MikamiUitOpen 16:cbb726ac20d8 16 #ifndef MBED_TIMER_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_TIMER_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20 #include "ticker_api.h"
MikamiUitOpen 16:cbb726ac20d8 21
MikamiUitOpen 16:cbb726ac20d8 22 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 23
MikamiUitOpen 16:cbb726ac20d8 24 /** A general purpose timer
MikamiUitOpen 16:cbb726ac20d8 25 *
MikamiUitOpen 16:cbb726ac20d8 26 * Example:
MikamiUitOpen 16:cbb726ac20d8 27 * @code
MikamiUitOpen 16:cbb726ac20d8 28 * // Count the time to toggle a LED
MikamiUitOpen 16:cbb726ac20d8 29 *
MikamiUitOpen 16:cbb726ac20d8 30 * #include "mbed.h"
MikamiUitOpen 16:cbb726ac20d8 31 *
MikamiUitOpen 16:cbb726ac20d8 32 * Timer timer;
MikamiUitOpen 16:cbb726ac20d8 33 * DigitalOut led(LED1);
MikamiUitOpen 16:cbb726ac20d8 34 * int begin, end;
MikamiUitOpen 16:cbb726ac20d8 35 *
MikamiUitOpen 16:cbb726ac20d8 36 * int main() {
MikamiUitOpen 16:cbb726ac20d8 37 * timer.start();
MikamiUitOpen 16:cbb726ac20d8 38 * begin = timer.read_us();
MikamiUitOpen 16:cbb726ac20d8 39 * led = !led;
MikamiUitOpen 16:cbb726ac20d8 40 * end = timer.read_us();
MikamiUitOpen 16:cbb726ac20d8 41 * printf("Toggle the led takes %d us", end - begin);
MikamiUitOpen 16:cbb726ac20d8 42 * }
MikamiUitOpen 16:cbb726ac20d8 43 * @endcode
MikamiUitOpen 16:cbb726ac20d8 44 */
MikamiUitOpen 16:cbb726ac20d8 45 class Timer {
MikamiUitOpen 16:cbb726ac20d8 46
MikamiUitOpen 16:cbb726ac20d8 47 public:
MikamiUitOpen 16:cbb726ac20d8 48 Timer();
MikamiUitOpen 16:cbb726ac20d8 49 Timer(const ticker_data_t *data);
MikamiUitOpen 16:cbb726ac20d8 50
MikamiUitOpen 16:cbb726ac20d8 51 /** Start the timer
MikamiUitOpen 16:cbb726ac20d8 52 */
MikamiUitOpen 16:cbb726ac20d8 53 void start();
MikamiUitOpen 16:cbb726ac20d8 54
MikamiUitOpen 16:cbb726ac20d8 55 /** Stop the timer
MikamiUitOpen 16:cbb726ac20d8 56 */
MikamiUitOpen 16:cbb726ac20d8 57 void stop();
MikamiUitOpen 16:cbb726ac20d8 58
MikamiUitOpen 16:cbb726ac20d8 59 /** Reset the timer to 0.
MikamiUitOpen 16:cbb726ac20d8 60 *
MikamiUitOpen 16:cbb726ac20d8 61 * If it was already counting, it will continue
MikamiUitOpen 16:cbb726ac20d8 62 */
MikamiUitOpen 16:cbb726ac20d8 63 void reset();
MikamiUitOpen 16:cbb726ac20d8 64
MikamiUitOpen 16:cbb726ac20d8 65 /** Get the time passed in seconds
MikamiUitOpen 16:cbb726ac20d8 66 */
MikamiUitOpen 16:cbb726ac20d8 67 float read();
MikamiUitOpen 16:cbb726ac20d8 68
MikamiUitOpen 16:cbb726ac20d8 69 /** Get the time passed in mili-seconds
MikamiUitOpen 16:cbb726ac20d8 70 */
MikamiUitOpen 16:cbb726ac20d8 71 int read_ms();
MikamiUitOpen 16:cbb726ac20d8 72
MikamiUitOpen 16:cbb726ac20d8 73 /** Get the time passed in micro-seconds
MikamiUitOpen 16:cbb726ac20d8 74 */
MikamiUitOpen 16:cbb726ac20d8 75 int read_us();
MikamiUitOpen 16:cbb726ac20d8 76
MikamiUitOpen 16:cbb726ac20d8 77 #ifdef MBED_OPERATORS
MikamiUitOpen 16:cbb726ac20d8 78 operator float();
MikamiUitOpen 16:cbb726ac20d8 79 #endif
MikamiUitOpen 16:cbb726ac20d8 80
MikamiUitOpen 16:cbb726ac20d8 81 protected:
MikamiUitOpen 16:cbb726ac20d8 82 int slicetime();
MikamiUitOpen 16:cbb726ac20d8 83 int _running; // whether the timer is running
MikamiUitOpen 16:cbb726ac20d8 84 unsigned int _start; // the start time of the latest slice
MikamiUitOpen 16:cbb726ac20d8 85 int _time; // any accumulated time from previous slices
MikamiUitOpen 16:cbb726ac20d8 86 const ticker_data_t *_ticker_data;
MikamiUitOpen 16:cbb726ac20d8 87 };
MikamiUitOpen 16:cbb726ac20d8 88
MikamiUitOpen 16:cbb726ac20d8 89 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 90
MikamiUitOpen 16:cbb726ac20d8 91 #endif