File list (Check if you may need any files):
usb-device-massstorage-project-1.4-iar5-at91sam9263-ek
......................................................\at91lib
......................................................\.......\boards
......................................................\.......\......\at91sam9263-ek
......................................................\.......\......\..............\at91sam9263
......................................................\.......\......\..............\...........\AT91SAM9263.h
......................................................\.......\......\..............\...........\sdram.icf
......................................................\.......\......\..............\...........\sram.icf
......................................................\.......\......\..............\board.h
......................................................\.......\......\..............\board_cstartup_iar.s
......................................................\.......\......\..............\board_lowlevel.c
......................................................\.......\......\..............\board_memories.c
......................................................\.......\......\..............\board_memories.h
......................................................\.......\memories
......................................................\.......\........\MEDFlash.c
......................................................\.......\........\MEDFlash.h
......................................................\.......\........\Media.c
......................................................\.......\........\Media.h
......................................................\.......\........\MEDSdram.c
......................................................\.......\........\MEDSdram.h
......................................................\.......\peripherals
......................................................\.......\...........\aic
......................................................\.......\...........\...\aic.c
......................................................\.......\...........\...\aic.h
......................................................\.......\...........\dbgu
......................................................\.......\...........\....\dbgu.c
......................................................\.......\...........\....\dbgu.h
......................................................\.......\...........\pio
......................................................\.......\...........\...\pio.c
......................................................\.......\...........\...\pio.h
......................................................\.......\...........\...\pio_it.c
......................................................\.......\...........\...\pio_it.h
......................................................\.......\...........\pit
......................................................\.......\...........\...\pit.c
......................................................\.......\...........\...\pit.h
......................................................\.......\...........\usart
......................................................\.......\...........\.....\usart.c
......................................................\.......\...........\.....\usart.h
......................................................\.......\usb
......................................................\.......\...\common
......................................................\.......\...\......\core
......................................................\.......\...\......\....\USBConfigurationDescriptor.c
......................................................\.......\...\......\....\USBConfigurationDescriptor.h
......................................................\.......\...\......\....\USBDeviceDescriptor.h
......................................................\.......\...\......\....\USBDeviceQualifierDescriptor.h
......................................................\.......\...\......\....\USBEndpointDescriptor.c
......................................................\.......\...\.....