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/Timer.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?
User | Revision | Line number | New contents of line |
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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_TIMER_H |
MikamiUitOpen | 2:cf42e62a97dc | 17 | #define MBED_TIMER_H |
MikamiUitOpen | 2:cf42e62a97dc | 18 | |
MikamiUitOpen | 2:cf42e62a97dc | 19 | #include "platform.h" |
MikamiUitOpen | 2:cf42e62a97dc | 20 | #include "ticker_api.h" |
MikamiUitOpen | 2:cf42e62a97dc | 21 | |
MikamiUitOpen | 2:cf42e62a97dc | 22 | namespace mbed { |
MikamiUitOpen | 2:cf42e62a97dc | 23 | |
MikamiUitOpen | 2:cf42e62a97dc | 24 | /** A general purpose timer |
MikamiUitOpen | 2:cf42e62a97dc | 25 | * |
MikamiUitOpen | 2:cf42e62a97dc | 26 | * Example: |
MikamiUitOpen | 2:cf42e62a97dc | 27 | * @code |
MikamiUitOpen | 2:cf42e62a97dc | 28 | * // Count the time to toggle a LED |
MikamiUitOpen | 2:cf42e62a97dc | 29 | * |
MikamiUitOpen | 2:cf42e62a97dc | 30 | * #include "mbed.h" |
MikamiUitOpen | 2:cf42e62a97dc | 31 | * |
MikamiUitOpen | 2:cf42e62a97dc | 32 | * Timer timer; |
MikamiUitOpen | 2:cf42e62a97dc | 33 | * DigitalOut led(LED1); |
MikamiUitOpen | 2:cf42e62a97dc | 34 | * int begin, end; |
MikamiUitOpen | 2:cf42e62a97dc | 35 | * |
MikamiUitOpen | 2:cf42e62a97dc | 36 | * int main() { |
MikamiUitOpen | 2:cf42e62a97dc | 37 | * timer.start(); |
MikamiUitOpen | 2:cf42e62a97dc | 38 | * begin = timer.read_us(); |
MikamiUitOpen | 2:cf42e62a97dc | 39 | * led = !led; |
MikamiUitOpen | 2:cf42e62a97dc | 40 | * end = timer.read_us(); |
MikamiUitOpen | 2:cf42e62a97dc | 41 | * printf("Toggle the led takes %d us", end - begin); |
MikamiUitOpen | 2:cf42e62a97dc | 42 | * } |
MikamiUitOpen | 2:cf42e62a97dc | 43 | * @endcode |
MikamiUitOpen | 2:cf42e62a97dc | 44 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 45 | class Timer { |
MikamiUitOpen | 2:cf42e62a97dc | 46 | |
MikamiUitOpen | 2:cf42e62a97dc | 47 | public: |
MikamiUitOpen | 2:cf42e62a97dc | 48 | Timer(); |
MikamiUitOpen | 2:cf42e62a97dc | 49 | Timer(const ticker_data_t *data); |
MikamiUitOpen | 2:cf42e62a97dc | 50 | |
MikamiUitOpen | 2:cf42e62a97dc | 51 | /** Start the timer |
MikamiUitOpen | 2:cf42e62a97dc | 52 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 53 | void start(); |
MikamiUitOpen | 2:cf42e62a97dc | 54 | |
MikamiUitOpen | 2:cf42e62a97dc | 55 | /** Stop the timer |
MikamiUitOpen | 2:cf42e62a97dc | 56 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 57 | void stop(); |
MikamiUitOpen | 2:cf42e62a97dc | 58 | |
MikamiUitOpen | 2:cf42e62a97dc | 59 | /** Reset the timer to 0. |
MikamiUitOpen | 2:cf42e62a97dc | 60 | * |
MikamiUitOpen | 2:cf42e62a97dc | 61 | * If it was already counting, it will continue |
MikamiUitOpen | 2:cf42e62a97dc | 62 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 63 | void reset(); |
MikamiUitOpen | 2:cf42e62a97dc | 64 | |
MikamiUitOpen | 2:cf42e62a97dc | 65 | /** Get the time passed in seconds |
MikamiUitOpen | 2:cf42e62a97dc | 66 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 67 | float read(); |
MikamiUitOpen | 2:cf42e62a97dc | 68 | |
MikamiUitOpen | 2:cf42e62a97dc | 69 | /** Get the time passed in mili-seconds |
MikamiUitOpen | 2:cf42e62a97dc | 70 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 71 | int read_ms(); |
MikamiUitOpen | 2:cf42e62a97dc | 72 | |
MikamiUitOpen | 2:cf42e62a97dc | 73 | /** Get the time passed in micro-seconds |
MikamiUitOpen | 2:cf42e62a97dc | 74 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 75 | int read_us(); |
MikamiUitOpen | 2:cf42e62a97dc | 76 | |
MikamiUitOpen | 2:cf42e62a97dc | 77 | #ifdef MBED_OPERATORS |
MikamiUitOpen | 2:cf42e62a97dc | 78 | operator float(); |
MikamiUitOpen | 2:cf42e62a97dc | 79 | #endif |
MikamiUitOpen | 2:cf42e62a97dc | 80 | |
MikamiUitOpen | 2:cf42e62a97dc | 81 | protected: |
MikamiUitOpen | 2:cf42e62a97dc | 82 | int slicetime(); |
MikamiUitOpen | 2:cf42e62a97dc | 83 | int _running; // whether the timer is running |
MikamiUitOpen | 2:cf42e62a97dc | 84 | unsigned int _start; // the start time of the latest slice |
MikamiUitOpen | 2:cf42e62a97dc | 85 | int _time; // any accumulated time from previous slices |
MikamiUitOpen | 2:cf42e62a97dc | 86 | const ticker_data_t *_ticker_data; |
MikamiUitOpen | 2:cf42e62a97dc | 87 | }; |
MikamiUitOpen | 2:cf42e62a97dc | 88 | |
MikamiUitOpen | 2:cf42e62a97dc | 89 | } // namespace mbed |
MikamiUitOpen | 2:cf42e62a97dc | 90 | |
MikamiUitOpen | 2:cf42e62a97dc | 91 | #endif |