PES4 / Mbed OS Queue_02

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mbed-os/drivers/Timeout.h@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /* mbed Microcontroller Library
demayer 0:6bf0743ece18 2 * Copyright (c) 2006-2013 ARM Limited
demayer 0:6bf0743ece18 3 *
demayer 0:6bf0743ece18 4 * Licensed under the Apache License, Version 2.0 (the "License");
demayer 0:6bf0743ece18 5 * you may not use this file except in compliance with the License.
demayer 0:6bf0743ece18 6 * You may obtain a copy of the License at
demayer 0:6bf0743ece18 7 *
demayer 0:6bf0743ece18 8 * http://www.apache.org/licenses/LICENSE-2.0
demayer 0:6bf0743ece18 9 *
demayer 0:6bf0743ece18 10 * Unless required by applicable law or agreed to in writing, software
demayer 0:6bf0743ece18 11 * distributed under the License is distributed on an "AS IS" BASIS,
demayer 0:6bf0743ece18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
demayer 0:6bf0743ece18 13 * See the License for the specific language governing permissions and
demayer 0:6bf0743ece18 14 * limitations under the License.
demayer 0:6bf0743ece18 15 */
demayer 0:6bf0743ece18 16 #ifndef MBED_TIMEOUT_H
demayer 0:6bf0743ece18 17 #define MBED_TIMEOUT_H
demayer 0:6bf0743ece18 18
demayer 0:6bf0743ece18 19 #include "drivers/Ticker.h"
demayer 0:6bf0743ece18 20 #include "platform/NonCopyable.h"
demayer 0:6bf0743ece18 21 #include "platform/mbed_sleep.h"
demayer 0:6bf0743ece18 22
demayer 0:6bf0743ece18 23 namespace mbed {
demayer 0:6bf0743ece18 24 /** \addtogroup drivers */
demayer 0:6bf0743ece18 25
demayer 0:6bf0743ece18 26 /** A Timeout is used to call a function at a point in the future
demayer 0:6bf0743ece18 27 *
demayer 0:6bf0743ece18 28 * You can use as many seperate Timeout objects as you require.
demayer 0:6bf0743ece18 29 *
demayer 0:6bf0743ece18 30 * @note Synchronization level: Interrupt safe
demayer 0:6bf0743ece18 31 *
demayer 0:6bf0743ece18 32 * Example:
demayer 0:6bf0743ece18 33 * @code
demayer 0:6bf0743ece18 34 * // Blink until timeout.
demayer 0:6bf0743ece18 35 *
demayer 0:6bf0743ece18 36 * #include "mbed.h"
demayer 0:6bf0743ece18 37 *
demayer 0:6bf0743ece18 38 * Timeout timeout;
demayer 0:6bf0743ece18 39 * DigitalOut led(LED1);
demayer 0:6bf0743ece18 40 *
demayer 0:6bf0743ece18 41 * int on = 1;
demayer 0:6bf0743ece18 42 *
demayer 0:6bf0743ece18 43 * void attimeout() {
demayer 0:6bf0743ece18 44 * on = 0;
demayer 0:6bf0743ece18 45 * }
demayer 0:6bf0743ece18 46 *
demayer 0:6bf0743ece18 47 * int main() {
demayer 0:6bf0743ece18 48 * timeout.attach(&attimeout, 5);
demayer 0:6bf0743ece18 49 * while(on) {
demayer 0:6bf0743ece18 50 * led = !led;
demayer 0:6bf0743ece18 51 * wait(0.2);
demayer 0:6bf0743ece18 52 * }
demayer 0:6bf0743ece18 53 * }
demayer 0:6bf0743ece18 54 * @endcode
demayer 0:6bf0743ece18 55 * @ingroup drivers
demayer 0:6bf0743ece18 56 */
demayer 0:6bf0743ece18 57 class Timeout : public Ticker, private NonCopyable<Timeout> {
demayer 0:6bf0743ece18 58
demayer 0:6bf0743ece18 59 protected:
demayer 0:6bf0743ece18 60 virtual void handler();
demayer 0:6bf0743ece18 61 };
demayer 0:6bf0743ece18 62
demayer 0:6bf0743ece18 63 } // namespace mbed
demayer 0:6bf0743ece18 64
demayer 0:6bf0743ece18 65 #endif