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 
00017 
00018 // Switch on an LED if any of mbed pins 21-26 is high
00019  
00020 #include "mbed.h"
00021  
00022 PortIn     p(Port2, 0x0000003F);   // p21-p26
00023 DigitalOut ind(LED4);
00024  
00025 int main() {
00026     while(1) {
00027         int pins = p.read();
00028         if(pins) {
00029             ind = 1;
00030         } else {
00031             ind = 0;
00032         }
00033     }
00034 }