I am using ARM LPC 2294, i have interfaced LCD and keypad for keypad interfacing i have used interrupt method (because my schematic is like that so i have to write code like that only)....my LCD is working properly but my program is not going into interrupt function, as i have checked this using Debugging the code, what am i supposed to do, Please help me i am beginner in ARM programming, my hardware is ok......waiting for your kind help