:-) Sorry... I was really struggling with getting javax-usb working a few
weeks ago, and sent emails
to the list but wasn't able to solve the problems I had. So I layered my code
so that it would abstract the
underlying usb implementation and use either javax-usb or LibusbJava... and I
got LibusbJava to
work. Javax-usb for some reason caused the machine to slow to a crawal (see
the list archives).
I attribute *my* success with LibusbJava to its lightweight nature compared to
javax-usb, which led
to my comment below.
I really wasn't trying to disparage javax-usb in any way - in fact, I really
like the way it provides a
rich OO designed interface to the USB subsystem which doesn't require someone
to read
kernel driver code just to figure out what is going on (which I had to do for
libusb!).
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Dan Streetman
Sent: Thursday, August 02, 2007 10:59 AM
To: [EMAIL PROTECTED]
Cc: Islam Beltagy; javax-usb-devel@lists.sourceforge.net; [EMAIL PROTECTED]
Subject: Re: [javax-usb-devel] Windows implementation and TCK
Geez, thanks for the ray of sunshine. Feel free to comment on the technical
points anytime! ;-)
On 8/2/07, David Hooker < [EMAIL PROTECTED]> wrote:
Libusb is designed as a thin wrapper around the usb subsystem of the OS,
which is exactly
why I chose it over javax-usb, and it works great for me. I would hate to
see Libusb get bloated
with a bunch of unnecessary stuff just to support javax-usb running on top
of it.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Islam Beltagy
Sent: Thursday, August 02, 2007 2:57 AM
To: javax-usb-devel@lists.sourceforge.net
Subject: [javax-usb-devel] Windows implementation and TCK
Hi,
I am working in the Libusb implementation for Windows.
I found that the implementation requires these changes:
1-In Libusb:
Build the correct hierarchy of hubs and devices
Return number of ports of hubs and speed of devices
Support asynchronous control submission
Support short packets
Support the Topology listener
2-In the Java implementation:
Necessary changes after changing Libusb
Get use of already implemented asynchronous IO
Get use of already implemented Isochronous pipe.
I hope I can do these changes soon. If you have any comments or help or
advices, they are really appreciated.
I hope I can pass the TCK.
Thank you for your help
bye
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