Date: Sun, 22 Apr 2012 14:55:20 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Yuri <yuri@rawbw.com> Cc: freebsd-usb@freebsd.org Subject: Re: Is there a facility to send USB requests through the script? Message-ID: <B957ABB9-8E23-4BD7-98FA-C115D1F3E8DA@gsoft.com.au> In-Reply-To: <4F939175.50207@rawbw.com> References: <4F939175.50207@rawbw.com>
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On 22/04/2012, at 14:34, Yuri wrote: > I am looking at the USB webcam device that doesn't work on BSD = (stalls). > I have the log of linux USB communcation to the same device, where it = works fine. >=20 > Is there a way I can send the particular requests to USB device = through script, as a debugging facility, so that I can easily change = what is sent, compare what is received to what I have in log, and make = changes? AFAIK there are no shell commands for this, however you can get libusb = bindings for Python, Ruby, etc.. > I know that kernel also sends some requests to the USB device, and I = would like to disable this in such case. If there is no driver then the kernel will only enumerate it which is = the bare minimum to give it an address and read out the configuration = descriptors. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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