ex_SetAbortFlag.nxc

This is an example of how to use the SetAbortFlag function.

task main()
{
   // Set exit button to end program only if it is pressed for longer than 2 seconds
#ifdef __ENHANCED_FIRMWARE
   SetLongAbort(true);
   // is equivalent to
   SetAbortFlag(BTNSTATE_LONG_PRESSED_EV);
#endif

   while(true)
   {
      ClearScreen();
      // Display on NXT Screen: "Press the exit button longer (for 2 seconds) to exit"
      TextOut(0, LCD_LINE1, "Press the exit", 0);
      TextOut(0, LCD_LINE2, "button longer", 0);
      TextOut(0, LCD_LINE3, "(for 2 seconds)", 0);
      TextOut(0, LCD_LINE4, "to exit.", 0);
      
      
      // Display number of times the user has pressed the exit button (for less than 2 seconds)
      NumOut(0, LCD_LINE8, ButtonPressCount(BTNEXIT), 0);
      
      
      // Wait until user presses and releases exit button before continuing loop
      while(!(ButtonPressed(BTNEXIT, 0)));
      while(ButtonPressed(BTNEXIT, 0));
   }
}