Hello World for DigitalOut
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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 DigitalOut myled(LED1); 00019 00020 int main() 00021 { 00022 // check that myled object is initialized and connected to a pin 00023 if(myled.is_connected()) { 00024 printf("myled is initialized and connected!\n\r"); 00025 } 00026 00027 // Blink LED 00028 while(1) { 00029 myled = 1; // set LED1 pin to high 00030 printf("myled = %d \n\r", (uint8_t)myled ); 00031 wait(0.5); 00032 00033 myled.write(0); // set LED1 pin to low 00034 printf("myled = %d \n\r",myled.read() ); 00035 wait(0.5); 00036 } 00037 }
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