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

Committer:
deepikabhavnani
Date:
14 months ago
Revision:
5:28699dc8770e
Parent:
2:50216cc75b4a

File content as of revision 5:28699dc8770e:

/* mbed Example Program
 * Copyright (c) 2006-2014 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "mbed.h"
 
LowPowerTimeout flipper;
DigitalOut led1(LED1);
DigitalOut led2(LED2);
 
void flip() {
    led2 = !led2;
}
 
int main() {
    led2 = 1;
    flipper.attach(&flip, 2.0); // setup flipper to call flip after 2 seconds
 
    // spin in a main loop. flipper will interrupt it to call flip
    while(1) {
        led1 = !led1;
        wait(0.2);
    }
}