mbed_example / Mbed OS LowPowerTimeout-example

The LowPowerTimeout API is a countdown timer that triggers a callback function when the timer runs out. The LowPowerTimeout interface can be though of as a one shot LowPowerTicker.

Fork of Timeout_HelloWorld by mbed_example

main.cpp@5:28699dc8770e, 2018-05-25 (annotated)

Committer:
deepikabhavnani
Date:
Fri May 25 18:46:28 2018 +0000
Revision:
5:28699dc8770e
Parent:
2:50216cc75b4a 
Initial version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 2:50216cc75b4a 1 /* mbed Example Program
mbedAustin 2:50216cc75b4a 2 * Copyright (c) 2006-2014 ARM Limited
mbedAustin 2:50216cc75b4a 3 *
mbedAustin 2:50216cc75b4a 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbedAustin 2:50216cc75b4a 5 * you may not use this file except in compliance with the License.
mbedAustin 2:50216cc75b4a 6 * You may obtain a copy of the License at
mbedAustin 2:50216cc75b4a 7 *
mbedAustin 2:50216cc75b4a 8 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 2:50216cc75b4a 9 *
mbedAustin 2:50216cc75b4a 10 * Unless required by applicable law or agreed to in writing, software
mbedAustin 2:50216cc75b4a 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbedAustin 2:50216cc75b4a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 2:50216cc75b4a 13 * See the License for the specific language governing permissions and
mbedAustin 2:50216cc75b4a 14 * limitations under the License.
mbedAustin 2:50216cc75b4a 15 */
mbed_official 0:8a555873b7d3 16 #include "mbed.h"
mbed_official 0:8a555873b7d3 17
deepikabhavnani 5:28699dc8770e 18 LowPowerTimeout flipper;
mbed_official 0:8a555873b7d3 19 DigitalOut led1(LED1);
mbed_official 0:8a555873b7d3 20 DigitalOut led2(LED2);
mbed_official 0:8a555873b7d3 21
mbed_official 0:8a555873b7d3 22 void flip() {
mbed_official 0:8a555873b7d3 23 led2 = !led2;
mbed_official 0:8a555873b7d3 24 }
mbed_official 0:8a555873b7d3 25
mbed_official 0:8a555873b7d3 26 int main() {
mbed_official 0:8a555873b7d3 27 led2 = 1;
mbed_official 0:8a555873b7d3 28 flipper.attach(&flip, 2.0); // setup flipper to call flip after 2 seconds
mbed_official 0:8a555873b7d3 29
mbed_official 0:8a555873b7d3 30 // spin in a main loop. flipper will interrupt it to call flip
mbed_official 0:8a555873b7d3 31 while(1) {
mbed_official 0:8a555873b7d3 32 led1 = !led1;
mbed_official 0:8a555873b7d3 33 wait(0.2);
mbed_official 0:8a555873b7d3 34 }
mbed_official 0:8a555873b7d3 35 }