|
Message
From: Matt Gillespie<matt.gillespie@j...>
Date: Mon Oct 11 10:21:33 CEST 2004
Subject: [usb] bulkusb.sys with usb1_funct and usb_phy
I am having a problem using bulkusb.sys ( XP DDK version running on a windows XP HOME SP1 PC). Occasionally (and randomly) I get 0xc000005 returned when I try to send a packet to the device.
I know that this means DEV_NOT_RESPONDING (from usbdi.h) but what does this actually mean. I do not have access to a protocol analyser and wondering whether this is a known issue with the driver or a problem with the device. I am using a fairchild transceiver with the usb1_funct and usb_phy which (apart from this) has operated perfectly.
Could someone point me in the right direction
1) Has the device responded? If so, is it a corrupt response (i.e. a noise or timing issue). Has it stalled? According the device it has not stalled or had any CRC or overflow errors. 2) Can it be recovered (by some call into the driver, such as a reset) that will allow me to continue, or is it terminal. If I do nothing and simply try to write to using 'WriteFile' it just locks up.
Thankyou, in advance, to anyone that bothers to reply to me!
A reply from the www.usb.org <winmail.bin
|
 |