main.cpp

00001 /* mbed Example Program
00002  * Copyright (c) 2006-2014 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "mbed.h"
00017  
00018 InterruptIn button(SW2);
00019 DigitalOut led(LED1);
00020 DigitalOut flash(LED4);
00021  
00022 void flip() {
00023     led = !led;
00024 }
00025  
00026 int main() {
00027     button.rise(&flip);  // attach the address of the flip function to the rising edge
00028     while(1) {           // wait around, interrupts will interrupt this!
00029         flash = !flash;
00030         wait(0.25);
00031     }
00032 }