File content as of revision 0:db463baf4187:

#include "mbed.h"
#include "C12832.h"
int i;
C12832 lcd(p5,p6,p7,p8,p11);
InterruptIn joystickcenter(p14);
InterruptIn button(p9);
DigitalOut led(LED1);
DigitalOut flash(LED4);
void flip() {
 led = !led;                  // toggles the led when the joystick button is pressed.
 i = 1;
}
int main() {
 joystickcenter.rise(&flip);  // attach the function address to the rising edge
 button.mode(PullUp);         // With this, no external pullup resistor needed
 button.rise(&flip);          // attach the function address to the rising edge
 while(1) {                   // wait around, interrupts will interrupt this!
 if(i==1){
     lcd.locate(0,0);
     lcd.printf("Button pressed");
     i=0;
     }
 flash = !flash;              // turns LED4 on if off, off if on
 wait(0.25);                  // the instruction to wait for a quarter-second
 }
}