Still, it's probably better to revert to the stock driver if with UsbDk a different one wont be necessary. Well, I was able to identify 1 case where it worked and one where it couldn't.
What I do know is that I have a patched version of libusb that replaced the va arg with a fixed int option that I use with an option specific to turning on usbdk.
I then patch pyusb to support this option as well because duck type modifying the signature at run time does not seem to work well either. The main benefit is that it is a filter driver so that existing driver is maintained.
Since libusb0, libusbk and libusbK are extensively overloaded terms, I unfortunately have no idea what you meant. You can download the libusbK from sourceforge,not the libusb or libusb-win32 ones,both are not related with libusbK at all,the libusbK wizard will try to install libusbK driver for your USB devices in Windows and copy the libusb0. The root cause of this problem is the pyusb backend will always prefer to use the libusb1 than libusb0 which means you may inciddently loaded the libusb1 dll from some other program's folder which is in Windows PATH ,and it won't try to load the correct libusb0 dll,you can find this logic in pyusb debug log output.
Many guys on the internet did't find this logic problem,instead wasting time on fixing the problem in libusb1. It seems to me the following codes will activate usbdk backend. And once I close python closing libusb So I will need to get usbdk works first with libusb Looks like usbdk itself does not work under my Windows machine. But pyusb itself is okay. So it does not seem to be an issue with pyusb here, again, it is rather a usbdk issue on my Windows machine. I will try another device and get libusb C code works first, then I will try pyusb again.
Hmm, libusb works fine with usbdk. So there is an issue with pyusb master or the usbdk branch. I am not so sure if this is the reason or not. It could be the other issue with dev. The FX3 bootloader device does not work too well with usbdk under Windows, but at least xusb can talk to it once. After the program exits, it may become an unknow device due to failure to respond to Windows USB descriptor request.
The FX3 device may become problematic during the detach process. So I think there is an issue with pyusb here. From the pyusb debug log, it seems to me the commit b9ae8e0 is kind of correct. But then the way pyusb works does not seem to work for usbdk, Either "dev. After that dev. Once exit, actually usbdk will be detached and the device goes back to normal. RyanHope This must work before. Just wondering which usbdk version, libusb version and pyusb version you have made usbdk working.
Apparently it is not libusb version, as I have even tested back to libusb And it is also not like a pyusb issue as I went back to pyusb These problem can easily fixed, there are 2 ways for fixing it: copy the correct. Share this: Twitter Facebook.
Like this: Like Loading Dropping dlls seems to do nothing. What you have you done? Where you put the DLLs? Can you post please the content of the folder where you have saved the python file? Post by Michael Plante Dunno, that's odd. How did you get the "promise" one? Post by Michael Plante I mean, is this for some generic device, or for? Post by Michael Plante I guess what I'm getting at is I would have expected that, for an end-user, this would happen in the context of some other program, and that that program would either launch your installer with some sort of defaults, if not outright no choice, or else that the other program would simply link to the libwdi library with no special UI at all.
Post by Michael Plante And I hope "you deal with hardware" is an abstract "you", rather than extrapolation from the example program I mentioned. Post by Michael Plante Post by Pete Batard Again, the layout you currently see is was I crafted in a very short time, and I am very well aware that it needs to be improved on.
Post by Michael Plante Yes, I know this is easy compared to udev or the like, but it's still not going to get picked up by a company who cares about not catching their phone lines on fire, at least not if it is anything more than an unsupported hidden extra. Post by Michael Plante Then, in the future, don't push? Post by Pete Batard I'm considering adding some warning in basic mode, in case more than one driverless device is detected, to tell users to only leave the one they want to install a driver for plugged.
In case the driver is missing, I am now going to launch a small application to take you through the driver installation process. If you're confused, just make sure your device is plugged and press the big Install button. Post by Pete Batard just trying to make the app look like something that "feels right" for the version of Windows they are using, as if it had come with the OS itself.
Post by Pete Batard No it doesn't! The layout is only functional for now, but doesn't respect any GUI design or intuitiveness guidelines. Post by Pete Batard they'll be weary about anything that contains the letters 'G','P','L', so I'm not too concerned about them. Post by Pete Batard It really doesn't. As I explained, if you have a new USB device that needs a WinUSB driver, just run the app, and plug the device before or after doesn't matter since the GUI app has hotplug , optionally confirm the name of the device and press Install.
Maybe you already planned this? What it the error code? Is it code 10 error? Are you using XP or Vista or Win7? I have a test driver builded by DDK for the device. Anyway, Testing with driver is not enough for usb unit testing.
Acutually, I remove all driver by usbdview and reinstall again. Post by Pete Batard such a thing. On 7 it seems to have been renamed to setupact.
Post by Xiaofan Chen You can refer to these two document. Post by Xiaofan Chen I think setupact. It is talked about here. Post by Pete Batard Hi Kenichi, 1. I also think it would help us if you posted the actual inf file you are using somewhere. If this is an inf you edited yourself, and are uncertain of tyour modifications, maybe you could try to remove your existing driver, as Xiaofan advised, and use the automated WinUSB driver installation program setdrv.
I have tried more times. I will post the result tomorrow! Graeme Gill. Tim Roberts. Error 0xef: The third-party INF does not contain digital signature information. Subscribe to: Post Comments Atom. Subscribe To Posts Atom. Comments Atom. About Me Xiaofan I am an electronics engineer working in the industrial automation sector.
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