B&B Electronics Parallel Printer Card PIOC Manuale Utente Scaricare il pdf (Pagina 46)

GHI Electronics,LLC USBwiz User Manual

USBwiz Command Set

PF - Seek File

This command changes the file pointer position. File must be opened in read mode.

Format PF<SP>n>ssssssss<CR>

!00<CR>

n File Handle

ssssssss HEX DWORD new position

Example PF<SP>1>10<CR>

!00<CR>

Set file pointer at the 16th byte in file

FP - Get Current File Pointer Position

This command gets the current sector address and the position in that sector of file

pointer. File must be opened in read mode.

Format FP<SP>n<CR>

!00<CR>

$ssssssss<SP>$pppp<CR>

!00<CR>

n File Handle

ssssssss HEX DWORD Sector address

pppp HEX WROD position in Sector

ZF - Resize File

This command sets file size to a certain position less than its size and omits the data

after that position.

File must be opened in read mode.

File handle will be automatically closed after successfully executing this command.

Format ZF<SP>n>ssssssss<CR>

!00<CR>

n File Handle

ssssssss HEX DWORD split size

Example ZF<SP>1>10<CR>

!00<CR>

Resize the file to 16 bytes

DF - Delete File

Format DF<SP>filename<CR>

!00<CR>

Example DF<SP>TEST.TXT<CR>

!00<CR>

IF - Find File or Folder

This command searches for a specific file or folder name in the current folder and prints

out the file information which includes size, attributes and date & time of modification.

Format IF<SP>filename<CR>

!00<CR>

$ssssssss<SP>$AA<SP>$ddddtttt<CR>

!00<CR>

ssssssss HEX DWORD File

Size

AA HEX Byte File

attributes*

ddddtttt HEX DWORD time

and date structure**

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