main.cpp

00001 // Morse Code Machine      February 27, 2013
00002 
00003 #include "mbed.h"
00004 #include "MorseCode.h"
00005 
00006 //Need to Setup LCD Screen as TextLCD lcd(p15, p16, p17, p18, p19, p20) - Is included in MorseCode.cpp
00007 DigitalIn Button(p8); // Button for User to Input Morse Code
00008 DigitalOut LED(LED1); // LED to Indicate Time (every 1 seconds)
00009 PwmOut Speaker(p21); // Speaker to play noise when button pushed
00010 Timer Time; // Keeps track of time
00011 
00012 int main() {
00013     // Setup
00014     int up = 0;
00015     int read = 0;
00016     Button.mode(PullUp);
00017     Speaker.period(1.0/800.0);
00018     Time.start();
00019     
00020     //Start
00021     while(1) {
00022     
00023         //Timer For User Comfort
00024         if(Time.read_ms()%1000<15) { 
00025             up = !up;
00026             read = 0;       // Reset for Next Second
00027             if((Time.read_ms() - 1740000) > 0) {
00028                 Time.reset(); // Reset if more than 29 minutes.
00029             }
00030             wait_ms(15);
00031         }
00032         
00033         // LED Ticker
00034         LED = (up)? 1 : 0;
00035         
00036         // Audio
00037         if(!Button) {
00038             Speaker = 0.25; // Volume
00039             wait_ms(15);
00040         }
00041         else {
00042             Speaker = 0.0; //Mute
00043             wait_ms(15);
00044         }
00045         
00046         // Do Morse Code  
00047         if(Time.read_ms()%1000 > 500 && read == 0) { // Half a Second Has Passed
00048             read = 1;
00049             MorseCode(!Button); // Read Button Value
00050         }
00051         
00052     }// End While
00053 }