File content as of revision 0:0bffeecce43e:

//debounce and interrupt experiment 
//pre processor directives
#include "mbed.h"
#include "C12832.h"

//global declarations
C12832 lcd(p5,p7,p6,p8,p11);
InterruptIn joystickcenter (p14);
InterruptIn Button (p9);
DigitalOut led(LED1);
DigitalOut flash(LED4);
int x; //variable for flip function

Timer debounce;

void flip(){
    debounce.start();
    if(debounce.read_ms ()>200){ //only toggles after 200ms
        led = !led;
        x = 1;
        lcd.printf( "debounce value is %d\n\r",debounce.read_ms());
        debounce.reset();
        }
}

int main(){
    lcd.cls();
    lcd.locate(0,0);
    joystickcenter.rise(&flip);
    Button.mode(PullUp);
    Button.rise(&flip);
    while(1){
        flash = !flash;
        if(x==1) {
            lcd.printf("variable is set %d \n\r",led.read());
            x = 0;
            wait(0.25);
            }
        }
}