FFT LED Display / 4180_EditThis_copy_Demo_Test

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Dependencies:   FFT

mbed/drivers/Timeout.h@0:d6c9b09b4042, 2020-12-02 (annotated)

Committer:
annieluo2
Date:
Wed Dec 02 18:02:03 2020 +0000
Revision:
0:d6c9b09b4042
boo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
annieluo2 0:d6c9b09b4042 1 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 2 * Copyright (c) 2006-2013 ARM Limited
annieluo2 0:d6c9b09b4042 3 *
annieluo2 0:d6c9b09b4042 4 * Licensed under the Apache License, Version 2.0 (the "License");
annieluo2 0:d6c9b09b4042 5 * you may not use this file except in compliance with the License.
annieluo2 0:d6c9b09b4042 6 * You may obtain a copy of the License at
annieluo2 0:d6c9b09b4042 7 *
annieluo2 0:d6c9b09b4042 8 * http://www.apache.org/licenses/LICENSE-2.0
annieluo2 0:d6c9b09b4042 9 *
annieluo2 0:d6c9b09b4042 10 * Unless required by applicable law or agreed to in writing, software
annieluo2 0:d6c9b09b4042 11 * distributed under the License is distributed on an "AS IS" BASIS,
annieluo2 0:d6c9b09b4042 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
annieluo2 0:d6c9b09b4042 13 * See the License for the specific language governing permissions and
annieluo2 0:d6c9b09b4042 14 * limitations under the License.
annieluo2 0:d6c9b09b4042 15 */
annieluo2 0:d6c9b09b4042 16 #ifndef MBED_TIMEOUT_H
annieluo2 0:d6c9b09b4042 17 #define MBED_TIMEOUT_H
annieluo2 0:d6c9b09b4042 18
annieluo2 0:d6c9b09b4042 19 #include "drivers/Ticker.h"
annieluo2 0:d6c9b09b4042 20
annieluo2 0:d6c9b09b4042 21 namespace mbed {
annieluo2 0:d6c9b09b4042 22 /** \addtogroup drivers */
annieluo2 0:d6c9b09b4042 23 /** @{*/
annieluo2 0:d6c9b09b4042 24
annieluo2 0:d6c9b09b4042 25 /** A Timeout is used to call a function at a point in the future
annieluo2 0:d6c9b09b4042 26 *
annieluo2 0:d6c9b09b4042 27 * You can use as many seperate Timeout objects as you require.
annieluo2 0:d6c9b09b4042 28 *
annieluo2 0:d6c9b09b4042 29 * @Note Synchronization level: Interrupt safe
annieluo2 0:d6c9b09b4042 30 *
annieluo2 0:d6c9b09b4042 31 * Example:
annieluo2 0:d6c9b09b4042 32 * @code
annieluo2 0:d6c9b09b4042 33 * // Blink until timeout.
annieluo2 0:d6c9b09b4042 34 *
annieluo2 0:d6c9b09b4042 35 * #include "mbed.h"
annieluo2 0:d6c9b09b4042 36 *
annieluo2 0:d6c9b09b4042 37 * Timeout timeout;
annieluo2 0:d6c9b09b4042 38 * DigitalOut led(LED1);
annieluo2 0:d6c9b09b4042 39 *
annieluo2 0:d6c9b09b4042 40 * int on = 1;
annieluo2 0:d6c9b09b4042 41 *
annieluo2 0:d6c9b09b4042 42 * void attimeout() {
annieluo2 0:d6c9b09b4042 43 * on = 0;
annieluo2 0:d6c9b09b4042 44 * }
annieluo2 0:d6c9b09b4042 45 *
annieluo2 0:d6c9b09b4042 46 * int main() {
annieluo2 0:d6c9b09b4042 47 * timeout.attach(&attimeout, 5);
annieluo2 0:d6c9b09b4042 48 * while(on) {
annieluo2 0:d6c9b09b4042 49 * led = !led;
annieluo2 0:d6c9b09b4042 50 * wait(0.2);
annieluo2 0:d6c9b09b4042 51 * }
annieluo2 0:d6c9b09b4042 52 * }
annieluo2 0:d6c9b09b4042 53 * @endcode
annieluo2 0:d6c9b09b4042 54 */
annieluo2 0:d6c9b09b4042 55 class Timeout : public Ticker {
annieluo2 0:d6c9b09b4042 56
annieluo2 0:d6c9b09b4042 57 protected:
annieluo2 0:d6c9b09b4042 58 virtual void handler();
annieluo2 0:d6c9b09b4042 59 };
annieluo2 0:d6c9b09b4042 60
annieluo2 0:d6c9b09b4042 61 } // namespace mbed
annieluo2 0:d6c9b09b4042 62
annieluo2 0:d6c9b09b4042 63 #endif
annieluo2 0:d6c9b09b4042 64
annieluo2 0:d6c9b09b4042 65 /** @}*/