main.cpp

00001 //This is known as a “header file”
00002 //In short, this copies and pastes the text file
00003 //mbed.h into this code
00004 #include "mbed.h"
00005 
00006 #define kRED    1  
00007 #define kYELLOW 2
00008 #define kGREEN  4
00009 
00010 BusOut binaryOutput(D7, D6, D5);    //Outputs as an integer
00011 
00012 //The main function - all executable C / C++
00013 //applications have a main function. This is
00014 //out entry point in the software
00015 Ticker T;
00016 
00017 int main() {
00018 
00019     binaryOutput = 0;
00020 
00021 // ALL the code is contained in a 
00022 // “while loop"
00023 
00024 // THIS IS NOT AN IDEAL SOLUTION. HOWEVER IT IS SIMPLE
00025 
00026 
00027     while(1) 
00028     {
00029     //The code between the { curly braces }
00030     //is the code that is repeated
00031     
00032         //STATE 1 (R) 
00033         binaryOutput = kRED;
00034         wait(1.0);
00035         
00036         //STATE 2 (RA)
00037         binaryOutput = kRED + kYELLOW;
00038         wait(1.0);
00039         
00040         //STATE 3 (G)
00041         binaryOutput = kGREEN;
00042         wait(1.0);
00043         
00044         //STATES 4-7 (Flashing A)
00045         binaryOutput = kYELLOW;
00046         wait(0.25);
00047         binaryOutput = 0;
00048         wait(0.25);
00049         binaryOutput = kYELLOW;
00050         wait(0.25);
00051         binaryOutput = 0;
00052         wait(0.25);
00053                   
00054     }
00055 }