18 usb – Artesyn COMX-P40x0 ENP2 Installation and Use (January 2015) User Manual

Page 117

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COMX-P40x0 ENP2 Installation and Use (6806800R95C)

117

7.18 USB

The COMX-P40x0 ENP2 module has four USB ports. For more information on the

USB

on page

84

.

U-Boot provides "usb" utilities to operate the USB sticks:

Note that "usb start/reset" must be executed before the other commands can be run. Below
are usage samples of "usb start.

Utility

Function

usb reset

Resets or rescans USB controller

usb stop [f]

Stops USB [f]=force stop

usb tree

Shows USB device tree

usb info [dev]

Shows available USB devices

usb storage

Shows details of USB storage devices

usb dev [dev]

Shows or set current USB storage device

usb part [dev]

Prints partition table of one or all USB storage devices

usb read addr blk# cnt

Reads `cnt' blocks starting at block `blk#' to memory address
`addr‘

usb write addr blk# cnt Writes `cnt' blocks starting at block `blk#' from memory

address `addr'

=> usb start

(Re)start USB...

USB: Register 10011 NbrPorts 1

USB EHCI 1.00

scanning bus for devices... 3 USB Device(s) found

scanning bus for storage devices... 1 Storage Device(s) found

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