读写SD卡\AT89X52.H
........\C51_UsbDisk
........\C51_UsbDisk.hex
........\C51_UsbDisk.lnp
........\C51_UsbDisk.M51
........\C51_UsbDisk.Opt
........\C51_UsbDisk.plg
........\C51_UsbDisk.Uv2
........\C51_UsbDisk_Opt.Bak
........\C51_UsbDisk_Uv2.Bak
........\common.h
........\DEVICE.C
........\DEVICE.H
........\DEVICE.LST
........\DEVICE.OBJ
........\Fat.c
........\Fat.h
........\Fat.LST
........\Fat.OBJ
........\Fat32.c
........\Fat32.h
........\Fat32.LST
........\Fat32.OBJ
........\HAL.C
........\HAL.H
........\HAL.LST
........\HAL.OBJ
........\HPI.C
........\hpi.H
........\HPI.LST
........\HPI.OBJ
........\HPI32.C
........\hpi32.H
........\HPI32.LST
........\HPI32.OBJ
........\ISR.C
........\ISR.LST
........\ISR.OBJ
........\Main.c
........\Main.LST
........\Main.OBJ
读写SD卡