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Dependencies:   mbed

mbed-os/drivers/Timeout.h@9:d58e77ebd769, 2018-03-02 (annotated)

Committer:
Nathan Yonkee
Date:
Fri Mar 02 07:12:37 2018 -0700
Revision:
9:d58e77ebd769
add mbed-os library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Nathan Yonkee 9:d58e77ebd769 1 /* mbed Microcontroller Library
Nathan Yonkee 9:d58e77ebd769 2 * Copyright (c) 2006-2013 ARM Limited
Nathan Yonkee 9:d58e77ebd769 3 *
Nathan Yonkee 9:d58e77ebd769 4 * Licensed under the Apache License, Version 2.0 (the "License");
Nathan Yonkee 9:d58e77ebd769 5 * you may not use this file except in compliance with the License.
Nathan Yonkee 9:d58e77ebd769 6 * You may obtain a copy of the License at
Nathan Yonkee 9:d58e77ebd769 7 *
Nathan Yonkee 9:d58e77ebd769 8 * http://www.apache.org/licenses/LICENSE-2.0
Nathan Yonkee 9:d58e77ebd769 9 *
Nathan Yonkee 9:d58e77ebd769 10 * Unless required by applicable law or agreed to in writing, software
Nathan Yonkee 9:d58e77ebd769 11 * distributed under the License is distributed on an "AS IS" BASIS,
Nathan Yonkee 9:d58e77ebd769 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Nathan Yonkee 9:d58e77ebd769 13 * See the License for the specific language governing permissions and
Nathan Yonkee 9:d58e77ebd769 14 * limitations under the License.
Nathan Yonkee 9:d58e77ebd769 15 */
Nathan Yonkee 9:d58e77ebd769 16 #ifndef MBED_TIMEOUT_H
Nathan Yonkee 9:d58e77ebd769 17 #define MBED_TIMEOUT_H
Nathan Yonkee 9:d58e77ebd769 18
Nathan Yonkee 9:d58e77ebd769 19 #include "drivers/Ticker.h"
Nathan Yonkee 9:d58e77ebd769 20 #include "platform/NonCopyable.h"
Nathan Yonkee 9:d58e77ebd769 21 #include "platform/mbed_sleep.h"
Nathan Yonkee 9:d58e77ebd769 22
Nathan Yonkee 9:d58e77ebd769 23 namespace mbed {
Nathan Yonkee 9:d58e77ebd769 24 /** \addtogroup drivers */
Nathan Yonkee 9:d58e77ebd769 25
Nathan Yonkee 9:d58e77ebd769 26 /** A Timeout is used to call a function at a point in the future
Nathan Yonkee 9:d58e77ebd769 27 *
Nathan Yonkee 9:d58e77ebd769 28 * You can use as many seperate Timeout objects as you require.
Nathan Yonkee 9:d58e77ebd769 29 *
Nathan Yonkee 9:d58e77ebd769 30 * @note Synchronization level: Interrupt safe
Nathan Yonkee 9:d58e77ebd769 31 *
Nathan Yonkee 9:d58e77ebd769 32 * Example:
Nathan Yonkee 9:d58e77ebd769 33 * @code
Nathan Yonkee 9:d58e77ebd769 34 * // Blink until timeout.
Nathan Yonkee 9:d58e77ebd769 35 *
Nathan Yonkee 9:d58e77ebd769 36 * #include "mbed.h"
Nathan Yonkee 9:d58e77ebd769 37 *
Nathan Yonkee 9:d58e77ebd769 38 * Timeout timeout;
Nathan Yonkee 9:d58e77ebd769 39 * DigitalOut led(LED1);
Nathan Yonkee 9:d58e77ebd769 40 *
Nathan Yonkee 9:d58e77ebd769 41 * int on = 1;
Nathan Yonkee 9:d58e77ebd769 42 *
Nathan Yonkee 9:d58e77ebd769 43 * void attimeout() {
Nathan Yonkee 9:d58e77ebd769 44 * on = 0;
Nathan Yonkee 9:d58e77ebd769 45 * }
Nathan Yonkee 9:d58e77ebd769 46 *
Nathan Yonkee 9:d58e77ebd769 47 * int main() {
Nathan Yonkee 9:d58e77ebd769 48 * timeout.attach(&attimeout, 5);
Nathan Yonkee 9:d58e77ebd769 49 * while(on) {
Nathan Yonkee 9:d58e77ebd769 50 * led = !led;
Nathan Yonkee 9:d58e77ebd769 51 * wait(0.2);
Nathan Yonkee 9:d58e77ebd769 52 * }
Nathan Yonkee 9:d58e77ebd769 53 * }
Nathan Yonkee 9:d58e77ebd769 54 * @endcode
Nathan Yonkee 9:d58e77ebd769 55 * @ingroup drivers
Nathan Yonkee 9:d58e77ebd769 56 */
Nathan Yonkee 9:d58e77ebd769 57 class Timeout : public Ticker, private NonCopyable<Timeout> {
Nathan Yonkee 9:d58e77ebd769 58
Nathan Yonkee 9:d58e77ebd769 59 protected:
Nathan Yonkee 9:d58e77ebd769 60 virtual void handler();
Nathan Yonkee 9:d58e77ebd769 61 };
Nathan Yonkee 9:d58e77ebd769 62
Nathan Yonkee 9:d58e77ebd769 63 } // namespace mbed
Nathan Yonkee 9:d58e77ebd769 64
Nathan Yonkee 9:d58e77ebd769 65 #endif