test
Timer.h@0:c792b17d9f78, 2021-12-03 (annotated)
- Committer:
- juansal12
- Date:
- Fri Dec 03 23:00:34 2021 +0000
- Revision:
- 0:c792b17d9f78
uploaded sofi code ;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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juansal12 | 0:c792b17d9f78 | 1 | /* mbed Microcontroller Library |
juansal12 | 0:c792b17d9f78 | 2 | * Copyright (c) 2006-2013 ARM Limited |
juansal12 | 0:c792b17d9f78 | 3 | * |
juansal12 | 0:c792b17d9f78 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
juansal12 | 0:c792b17d9f78 | 5 | * you may not use this file except in compliance with the License. |
juansal12 | 0:c792b17d9f78 | 6 | * You may obtain a copy of the License at |
juansal12 | 0:c792b17d9f78 | 7 | * |
juansal12 | 0:c792b17d9f78 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
juansal12 | 0:c792b17d9f78 | 9 | * |
juansal12 | 0:c792b17d9f78 | 10 | * Unless required by applicable law or agreed to in writing, software |
juansal12 | 0:c792b17d9f78 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
juansal12 | 0:c792b17d9f78 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
juansal12 | 0:c792b17d9f78 | 13 | * See the License for the specific language governing permissions and |
juansal12 | 0:c792b17d9f78 | 14 | * limitations under the License. |
juansal12 | 0:c792b17d9f78 | 15 | */ |
juansal12 | 0:c792b17d9f78 | 16 | #ifndef MBED_TIMER_H |
juansal12 | 0:c792b17d9f78 | 17 | #define MBED_TIMER_H |
juansal12 | 0:c792b17d9f78 | 18 | |
juansal12 | 0:c792b17d9f78 | 19 | #include "platform.h" |
juansal12 | 0:c792b17d9f78 | 20 | #include "ticker_api.h" |
juansal12 | 0:c792b17d9f78 | 21 | |
juansal12 | 0:c792b17d9f78 | 22 | namespace mbed { |
juansal12 | 0:c792b17d9f78 | 23 | |
juansal12 | 0:c792b17d9f78 | 24 | /** A general purpose timer |
juansal12 | 0:c792b17d9f78 | 25 | * |
juansal12 | 0:c792b17d9f78 | 26 | * Example: |
juansal12 | 0:c792b17d9f78 | 27 | * @code |
juansal12 | 0:c792b17d9f78 | 28 | * // Count the time to toggle a LED |
juansal12 | 0:c792b17d9f78 | 29 | * |
juansal12 | 0:c792b17d9f78 | 30 | * #include "mbed.h" |
juansal12 | 0:c792b17d9f78 | 31 | * |
juansal12 | 0:c792b17d9f78 | 32 | * Timer timer; |
juansal12 | 0:c792b17d9f78 | 33 | * DigitalOut led(LED1); |
juansal12 | 0:c792b17d9f78 | 34 | * int begin, end; |
juansal12 | 0:c792b17d9f78 | 35 | * |
juansal12 | 0:c792b17d9f78 | 36 | * int main() { |
juansal12 | 0:c792b17d9f78 | 37 | * timer.start(); |
juansal12 | 0:c792b17d9f78 | 38 | * begin = timer.read_us(); |
juansal12 | 0:c792b17d9f78 | 39 | * led = !led; |
juansal12 | 0:c792b17d9f78 | 40 | * end = timer.read_us(); |
juansal12 | 0:c792b17d9f78 | 41 | * printf("Toggle the led takes %d us", end - begin); |
juansal12 | 0:c792b17d9f78 | 42 | * } |
juansal12 | 0:c792b17d9f78 | 43 | * @endcode |
juansal12 | 0:c792b17d9f78 | 44 | */ |
juansal12 | 0:c792b17d9f78 | 45 | class Timer { |
juansal12 | 0:c792b17d9f78 | 46 | |
juansal12 | 0:c792b17d9f78 | 47 | public: |
juansal12 | 0:c792b17d9f78 | 48 | Timer(); |
juansal12 | 0:c792b17d9f78 | 49 | Timer(const ticker_data_t *data); |
juansal12 | 0:c792b17d9f78 | 50 | |
juansal12 | 0:c792b17d9f78 | 51 | /** Start the timer |
juansal12 | 0:c792b17d9f78 | 52 | */ |
juansal12 | 0:c792b17d9f78 | 53 | void start(); |
juansal12 | 0:c792b17d9f78 | 54 | |
juansal12 | 0:c792b17d9f78 | 55 | /** Stop the timer |
juansal12 | 0:c792b17d9f78 | 56 | */ |
juansal12 | 0:c792b17d9f78 | 57 | void stop(); |
juansal12 | 0:c792b17d9f78 | 58 | |
juansal12 | 0:c792b17d9f78 | 59 | /** Reset the timer to 0. |
juansal12 | 0:c792b17d9f78 | 60 | * |
juansal12 | 0:c792b17d9f78 | 61 | * If it was already counting, it will continue |
juansal12 | 0:c792b17d9f78 | 62 | */ |
juansal12 | 0:c792b17d9f78 | 63 | void reset(); |
juansal12 | 0:c792b17d9f78 | 64 | |
juansal12 | 0:c792b17d9f78 | 65 | /** Get the time passed in seconds |
juansal12 | 0:c792b17d9f78 | 66 | */ |
juansal12 | 0:c792b17d9f78 | 67 | float read(); |
juansal12 | 0:c792b17d9f78 | 68 | |
juansal12 | 0:c792b17d9f78 | 69 | /** Get the time passed in mili-seconds |
juansal12 | 0:c792b17d9f78 | 70 | */ |
juansal12 | 0:c792b17d9f78 | 71 | int read_ms(); |
juansal12 | 0:c792b17d9f78 | 72 | |
juansal12 | 0:c792b17d9f78 | 73 | /** Get the time passed in micro-seconds |
juansal12 | 0:c792b17d9f78 | 74 | */ |
juansal12 | 0:c792b17d9f78 | 75 | int read_us(); |
juansal12 | 0:c792b17d9f78 | 76 | |
juansal12 | 0:c792b17d9f78 | 77 | #ifdef MBED_OPERATORS |
juansal12 | 0:c792b17d9f78 | 78 | operator float(); |
juansal12 | 0:c792b17d9f78 | 79 | #endif |
juansal12 | 0:c792b17d9f78 | 80 | |
juansal12 | 0:c792b17d9f78 | 81 | protected: |
juansal12 | 0:c792b17d9f78 | 82 | int slicetime(); |
juansal12 | 0:c792b17d9f78 | 83 | int _running; // whether the timer is running |
juansal12 | 0:c792b17d9f78 | 84 | unsigned int _start; // the start time of the latest slice |
juansal12 | 0:c792b17d9f78 | 85 | int _time; // any accumulated time from previous slices |
juansal12 | 0:c792b17d9f78 | 86 | const ticker_data_t *_ticker_data; |
juansal12 | 0:c792b17d9f78 | 87 | }; |
juansal12 | 0:c792b17d9f78 | 88 | |
juansal12 | 0:c792b17d9f78 | 89 | } // namespace mbed |
juansal12 | 0:c792b17d9f78 | 90 | |
juansal12 | 0:c792b17d9f78 | 91 | #endif |