main.cpp

00001 #include "mbed.h"
00002 
00003 /*comments: while toggling Pin 26 on and off, Pin 22 sees the change using Tera Term
00004 using https://developer.mbed.org/users/synvox/notebook/lpc1768-pinout-with-labelled-mbed-pins/ 
00005 by Nenad Milosevic as a guide to the complier name (P2_0) for pin 26 (p26 also works).
00006 verification: 
00007 1.Insert Jumper between Pins 26 and 22 on LPC1768
00008 2.Turn on your terminal program
00009 */
00010 
00011 int on = 1;
00012 int off = 0;
00013 int i = 2.5;
00014 DigitalIn data(P2_4);
00015 
00016 /* the following declaration also works
00017 *DigitalIn data(p22);
00018 * there are two different ways of addressing the pins
00019 */
00020 
00021 Serial pc(USBTX, USBRX);
00022 
00023 int main() {
00024 
00025 while(1){
00026  DigitalOut (p26, on); //Pin 26 designation is p26
00027  printf("value of p22 is: %d \r\n", data.read());
00028  wait (i);
00029  
00030   DigitalOut (P2_0, off); //Pin 26 designation is P2_0 
00031   printf("value of p22 is: %d \r\n", data.read());
00032  wait (i);
00033  
00034    }
00035 }