main.cpp

00001 #include "mbed.h"
00002 #include "USBSerial.h"
00003 #include "SevenSegmentDisplay.h"
00004  
00005 //Virtual serial port over USB
00006 USBSerial serial;
00007 
00008 int countdown;
00009 int startno = 6;
00010 int userinputno; // do not initialise scanf values as this creates problems
00011 
00012 SevenSegmentDisplay segmentled( FADE );
00013 Ticker timeout;
00014 
00015 void attimeout();
00016 
00017 int main(void)
00018 {
00019 
00020             
00021     while(1)
00022     {
00023        wait(1);
00024        for(countdown=startno; countdown>0; countdown--)
00025          {
00026              segmentled.DisplayInt(countdown);
00027              serial.printf("%d\n\r", countdown);
00028              wait(1);
00029          }
00030         
00031         countdown = 0;        
00032         segmentled.DisplayInt(countdown);
00033         serial.printf("%d\n\r", countdown);
00034         serial.printf("Hi User! Please enter a number between 2 and 99\n\r");
00035         serial.scanf("%d", &userinputno);
00036         segmentled.DisplayInt(userinputno);
00037         serial.printf("The countdown will now start from %d ... \n\r", userinputno);
00038            
00039         wait(1);
00040         
00041         startno = userinputno;
00042     }
00043 }