![](/media/cache/group/Mbed-100-mk2_WXmQNC1.png.50x50_q85.png)
Hello world program for mbed SDK AnalogIn API
Dependencies: mbed
main.cpp
- Committer:
- sam_grove
- Date:
- 2014-12-10
- Revision:
- 1:0a8f602aeec9
- Parent:
- 0:101a12a915c6
File content as of revision 1:0a8f602aeec9:
/* 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" // Initialize a pins to perform analog input and digital output fucntions AnalogIn ain(A0); DigitalOut dout(LED1); int main(void) { while (1) { // test the voltage on the initialized analog pin // and if greater than 0.3 * VCC set the digital pin // to a logic 1 otherwise a logic 0 if(ain > 0.3f) { dout = 1; } else { dout = 0; } // print the percentage and 16 bit normalized values printf("percentage: %3.3f%%\n", ain.read()*100.0f); printf("normalized: 0x%04X \n", ain.read_u16()); wait(0.2f); } }