B&B Electronics Parallel Printer Card PIOC Manuel d'utilisateur télécharger pdf (Page 35)

GHI Electronics,LLC USBwiz User Manual

USBwiz Command Set

further commands.

● Some commands have multiple error codes !xx, usually, the first error code denotes

the command is accepted and then it is processed. Another error code is sent when

the command has finished processing successfully. This is useful, because some

commands can take some time to finish, so the first error can note that the

command is accepted and then the user can do other application processing and

then return to read the final error code.

● Below, data sent to USBwiz are BLACK and data received are RED. <CR> is a

carriage return which is the Enter key on a keyboard, ASCII value 0x0D or in C

language '\r'. <SP> is a space which is ASCII value 0x20.

● File/Folder names has a certain format and certain accepted characters according

to the FAT File System. USBwiz supports Earlier FAT File Systems used short file

names (noted as 8.3) which have the following features:

○ ASCII format

○ Only capital letters

○ Maximum of 8 characters for the file name

○ Maximum of 3 characters for the file extension

○ No spaces are allowed

○ Only one dot is allowed preceding the file extension

○ Numbers are allowed

○ The following characters are allowed: $ % ' - _ @ ~ ` ! ( ) { } ^ # &

BL - Update Firmware Using Boot Loader

Updates USBwiz firmware. The firmware can be updated from the Boot Loader or from

the firmware using this command.

Upon initiating the command, USBwiz switches to Boot Loader mode and updates the

firmware automatically. For details on updating the firmware, please consult the

description for the Boot Loader and updating the firmware.

Format BL<SP>d<CR>

Switches to

Bootloader

mode and

updates

automatically

d The device type and can be S for SD or 0/1

for the USB port number

Example BL<SP>0<CR> Load new firmware from USB memory on port

Rev.2.27 Page 35 of 64 www.ghielectronics.com

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 63 64

Pas de commentaire

B&B Electronics Parallel Printer Card PIOC Manuel d'utilisateur Page 35