standard_request
................\firmware
................\........\dscr.a51
................\........\dscr.LST
................\........\dscr.OBJ
................\........\fw.c
................\........\fw.LST
................\........\fw.OBJ
................\........\IO.c
................\........\IO.h
................\........\IO.LST
................\........\IO.OBJ
................\........\IO.__i
................\........\periph.c
................\........\periph.LST
................\........\periph.OBJ
................\........\sdRequest
................\........\sdRequest.hex
................\........\sdRequest.lnp
................\........\sdRequest.M51
................\........\sdRequest.Opt
................\........\sdRequest.plg
................\........\sdRequest.Uv2
................\USB标准请求.pdf