On Mon, Oct 29, 2012 at 3:27 PM, Stefano Di Martino wrote:
> Sorry, this was the wrong attachment.
> Here you find the right attachment...
>
Thanks. So this is a Logitech USB Headset, a USB composite
device with Interface 3 to be the HID interface. Maybe there is
a problem with libusbx HID backen
On Mon, Oct 29, 2012 at 9:17 AM, therau2000 wrote:
> On Mon, 2012-10-29 at 01:15 +0100, Peter Stuge wrote:
>
> Find out exactly how those commands get sent, and find a method to
> send them which is outside the USB domain if possible, since that
> will be both simpler for you to implement *and* wi
Thanks for your reply!
I have at work windows only. I have attached the descriptor which I get by
usbview.
I could test my code at home under Linux when I get home today...
Best Regards
Stefano
Original-Nachricht
> Datum: Mon, 29 Oct 2012 21:32:20 +0800
> Von: Xiaofan Chen
> A
Okay, I tested it now at home with Linux and the same usb device. It
seems, that fetching the string descriptor is a Windows problem.
First, I get the error "LIBUSB_ERROR_ACCESS", but then I run the example
with root privilege and everything run fine. Just, for the record: On
Windows I get an LI
Can you please run 'xusb -d vid:pid' where vid:pid are the ones of your
device and send the log you get?
Regards,
/Pete
On 2012.10.29 17:51, Stefano Di Martino wrote:
> Okay, I tested it now at home with Linux and the same usb device. It
> seems, that fetching the string descriptor is a Window
You mean under Windows? I just did this today, but I'll attach it again.
Regards
Stefano
On 29.10.2012 18:57, Pete Batard wrote:
Can you please run 'xusb -d vid:pid' where vid:pid are the ones of your
device and send the log you get?
Regards,
/Pete
On 2012.10.29 17:51, Stefano Di Martino wr
Stefano Di Martino wrote:
> What now? My program has to run under windows.
If you want to communicate with the HID class interface then I
suggest to try out HIDAPI.
HIDAPI was created specifically to abstract OS-native HID class APIs
on Linux, Windows, and Mac OS X.
While the Windows-specific HI
therau2000 wrote:
> On Mon, 2012-10-29 at 01:15 +0100, Peter Stuge wrote:
>> Find out exactly how those commands get sent, and find a method to
>> send them which is outside the USB domain if possible, since that
>> will be both simpler for you to implement *and* will provide a
>> significantly bet
On 2012.10.29 18:47, Peter Stuge wrote:
> While the Windows-specific HID class code for emulating USB transfers
> over HID in libusbx does use the same OS-native API as HIDAPI (maybe
> even some code from HIDAPI?)
From the copyright notice: "HID Reports IOCTLs inspired from HIDAPI by
Alan Ott".
On 2012.10.29 18:32, Stefano Di Martino wrote:
> You mean under Windows? I just did this today, but I'll attach it again.
Sorry, missed the first one (catching up on e-mail).
Apart from the assertion warnings, I don't see much of anything wrong,
and I'm not even sure that the assertion is an iss
Pete Batard wrote:
> > I don't believe there were suggestions in any direction so far, but
> > I think using more of HIDAPI in libusbx would be a logical extension.
>
> Considering that libusbx is the lower level library here, theoretically,
> the most logical thing would be for HIDAPI to rely on
On 2012.10.29 19:30, Peter Stuge wrote:
> Since libusbx
> replicates what HIDAPI (and libusb-win32) does, and then adds
> onto that, libusbx is indeed higher level than HIDAPI.
You can reverse the above. HIDAPI replicates what libusbx (and
libusb-win32) does and then adds onto that. Only in your
On 2012.10.29 19:25, Pete Batard wrote:
> I can't see the NO_MEM yet (still looking at it)
OK, I think I have reproduced the NO_MEM issue on my end. This seems to
be generated from:
https://github.com/libusbx/libusbx/blob/master/libusb/os/windows_usb.c#L3888
Regards,
/Pete
Yes, actually I get this error in listdev.c (I modified it). I'll attach
the source and the debug file.
Best regards
Stefano
On 29.10.2012 20:25, Pete Batard wrote:
On 2012.10.29 18:32, Stefano Di Martino wrote:
You mean under Windows? I just did this today, but I'll attach it again.
Sorry,
My modified listdevs.c works under Linux, by the way.
Best regards
Stefano
On 29.10.2012 21:17, Stefano Di Martino wrote:
Yes, actually I get this error in listdev.c (I modified it). I'll
attach the source and the debug file.
Best regards
Stefano
On 29.10.2012 20:25, Pete Batard wrote:
On 2
On 2012.10.29 20:27, Stefano Di Martino wrote:
> My modified listdevs.c works under Linux, by the way.
Yes, I've seen that. And I think I have identified the issue at hand:
the code for composite devices does not issue a request to open the
underlying HID interfaces when they are available, and
That would be great. A big THANKS! :-)
Best regards
Stefano
On 29.10.2012 21:39, Pete Batard wrote:
> On 2012.10.29 20:27, Stefano Di Martino wrote:
>> My modified listdevs.c works under Linux, by the way.
> Yes, I've seen that. And I think I have identified the issue at hand:
> the code for comp
The latest commit [1] should fix access to composite HID interfaces.
If you need help recompiling from latest git, please see
https://github.com/libusbx/libusbx/wiki#wiki-Accessing_the_Source
Alternatively, you can just download the github zipball from
https://github.com/libusbx/libusbx/zipball/
On 2012.10.26 09:18, Ludovic Rousseau wrote:
> Regarding build using Xcode I added a config.h for Xcode. So it is now
> possible to build using Xcode without using ./configure first.
> Use my xcode branch at https://github.com/LudovicRousseau/libusbx/tree/xcode
I haven't had a chance to follow clo
On Mon, 29 Oct 2012 23:57:26 +, Pete Batard said:
>> Regarding build using Xcode I added a config.h for Xcode. So it is now
>> possible to build using Xcode without using ./configure first.
>> Use my xcode branch at https://github.com/LudovicRousseau/libusbx/tree/xcode
>
>I haven't had a chanc
On Tue, Oct 30, 2012 at 8:03 AM, Sean McBride wrote:
> On Mon, 29 Oct 2012 23:57:26 +, Pete Batard said:
>
>>> Regarding build using Xcode I added a config.h for Xcode. So it is now
>>> possible to build using Xcode without using ./configure first.
>>> Use my xcode branch at https://github.com
On Tue, Oct 30, 2012 at 3:30 AM, Peter Stuge wrote:
> That is confusing. HIDAPI doesn't depend on libusb.
>
> HIDAPI can optionally use libusb, but that's only useful on old
> Linux systems where the OS-native HID API was insufficient.
That is true for Linux. HIDAPI also uses native HID API under
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