Yihui Xiong
/
Seeed_nRF51822_Motion
initial
mbed-src/api/Timeout.h@0:638edba3adf6, 2016-01-11 (annotated)
- Committer:
- yihui
- Date:
- Mon Jan 11 02:32:24 2016 +0000
- Revision:
- 0:638edba3adf6
initial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yihui | 0:638edba3adf6 | 1 | /* mbed Microcontroller Library |
yihui | 0:638edba3adf6 | 2 | * Copyright (c) 2006-2013 ARM Limited |
yihui | 0:638edba3adf6 | 3 | * |
yihui | 0:638edba3adf6 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
yihui | 0:638edba3adf6 | 5 | * you may not use this file except in compliance with the License. |
yihui | 0:638edba3adf6 | 6 | * You may obtain a copy of the License at |
yihui | 0:638edba3adf6 | 7 | * |
yihui | 0:638edba3adf6 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
yihui | 0:638edba3adf6 | 9 | * |
yihui | 0:638edba3adf6 | 10 | * Unless required by applicable law or agreed to in writing, software |
yihui | 0:638edba3adf6 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
yihui | 0:638edba3adf6 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
yihui | 0:638edba3adf6 | 13 | * See the License for the specific language governing permissions and |
yihui | 0:638edba3adf6 | 14 | * limitations under the License. |
yihui | 0:638edba3adf6 | 15 | */ |
yihui | 0:638edba3adf6 | 16 | #ifndef MBED_TIMEOUT_H |
yihui | 0:638edba3adf6 | 17 | #define MBED_TIMEOUT_H |
yihui | 0:638edba3adf6 | 18 | |
yihui | 0:638edba3adf6 | 19 | #include "Ticker.h" |
yihui | 0:638edba3adf6 | 20 | |
yihui | 0:638edba3adf6 | 21 | namespace mbed { |
yihui | 0:638edba3adf6 | 22 | |
yihui | 0:638edba3adf6 | 23 | /** A Timeout is used to call a function at a point in the future |
yihui | 0:638edba3adf6 | 24 | * |
yihui | 0:638edba3adf6 | 25 | * You can use as many seperate Timeout objects as you require. |
yihui | 0:638edba3adf6 | 26 | * |
yihui | 0:638edba3adf6 | 27 | * Example: |
yihui | 0:638edba3adf6 | 28 | * @code |
yihui | 0:638edba3adf6 | 29 | * // Blink until timeout. |
yihui | 0:638edba3adf6 | 30 | * |
yihui | 0:638edba3adf6 | 31 | * #include "mbed.h" |
yihui | 0:638edba3adf6 | 32 | * |
yihui | 0:638edba3adf6 | 33 | * Timeout timeout; |
yihui | 0:638edba3adf6 | 34 | * DigitalOut led(LED1); |
yihui | 0:638edba3adf6 | 35 | * |
yihui | 0:638edba3adf6 | 36 | * int on = 1; |
yihui | 0:638edba3adf6 | 37 | * |
yihui | 0:638edba3adf6 | 38 | * void attimeout() { |
yihui | 0:638edba3adf6 | 39 | * on = 0; |
yihui | 0:638edba3adf6 | 40 | * } |
yihui | 0:638edba3adf6 | 41 | * |
yihui | 0:638edba3adf6 | 42 | * int main() { |
yihui | 0:638edba3adf6 | 43 | * timeout.attach(&attimeout, 5); |
yihui | 0:638edba3adf6 | 44 | * while(on) { |
yihui | 0:638edba3adf6 | 45 | * led = !led; |
yihui | 0:638edba3adf6 | 46 | * wait(0.2); |
yihui | 0:638edba3adf6 | 47 | * } |
yihui | 0:638edba3adf6 | 48 | * } |
yihui | 0:638edba3adf6 | 49 | * @endcode |
yihui | 0:638edba3adf6 | 50 | */ |
yihui | 0:638edba3adf6 | 51 | class Timeout : public Ticker { |
yihui | 0:638edba3adf6 | 52 | |
yihui | 0:638edba3adf6 | 53 | protected: |
yihui | 0:638edba3adf6 | 54 | virtual void handler(); |
yihui | 0:638edba3adf6 | 55 | }; |
yihui | 0:638edba3adf6 | 56 | |
yihui | 0:638edba3adf6 | 57 | } // namespace mbed |
yihui | 0:638edba3adf6 | 58 | |
yihui | 0:638edba3adf6 | 59 | #endif |