hi i am beginner in keil,and i try to run msd_file example of keil on lpc1788 micro in usb port 2. i read keil help(with this address : www.keil.com/.../rlarm_usb_host_msd_app.htm) and i did all step of it,programe compiled success but it dose not work correctly and it has not any reaction when disk connected(it is not diffrent between when usb connected or disconnected). any one has experience to communicate with usb mass storage with keil Rl usb lib? any one can help me ??