Exception: USBError(None, b'libusb0-dll:err [control_msg] sending control message failed, win error: A device attached to the system is not functioning.\r\n\n') #12
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Both sticks you have are the same brand? I have only tested with the ANTUSB-m (0fcf:1009) but the original vpower repo used the ANTUSB2 (0fcf:1008) so it should work with that version too. Not sure if the brand makes any difference, I have personally used only the Garmin one. You can try using libusbK instead of libusb-win32, or this updated version of libusb-win32 |
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If the above options don't work, you can try this:
This version uses the libusb-1.0 backend, and the Windows ANT driver (used by other apps) use libusb0, so it's important that you install WinUSB driver only for one stick, or the other stick won't work in other apps.
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Yes both sticks are the same brand. I tried the other method again from scratch, below are the two ANT USB sticks listed as libusb-win32 devices, no idea why its not reading them.
I think i'm just going to give up, im not an avid cyclist so this isnt the biggest deal. Just wanted to use RGT cycling because it was free vs zwift. Making a new account every week hasnt been prohibitively annoying yet haha. Thank you! I appreciate the help! |
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I can't find the issue anymore, did you delete it?
Em sex., 18 de dez. de 2020 às 21:33, cvanjam <[email protected]>
escreveu:
… I downloaded the windows executable file and zadig to do the driver change.
I have one usb ant+ stick in my computer but when I run the vpower
application I get this message:
Exception: USBError(None, b'libusb0-dll:err [control_msg] sending control
message failed, win error: A device attached to the system is not
functioning.\r\n\n')
I am using this usb ant+ stick:
https://www.amazon.com/gp/product/B077YDL2KL/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Am I missing something? Am I not setting something up that I should be? Is
it the USB ant+ stick brand? (I actually have 2 and it works with neither)
Thank you in advance!
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No, I just posted that I essentially gave up because I don't ride enough
and then the post seems to have been deleted. (I actually assumed you did
it). I appreciate your help. I returned the 2 usb sticks already too after
trying the whole thing in 2 different laptops. I wanted to use it for rgt
cycling because it was free (but you need a power meter), but I'll just
keep making free accounts on zwift haha.
Thank you for reaching out! I appreciate the thought/your time!
Have a good one!
…On Sun, Dec 20, 2020, 12:28 PM oldnapalm ***@***.***> wrote:
I can't find the issue anymore, did you delete it?
Em sex., 18 de dez. de 2020 às 21:33, cvanjam ***@***.***>
escreveu:
> I downloaded the windows executable file and zadig to do the driver
change.
>
> I have one usb ant+ stick in my computer but when I run the vpower
> application I get this message:
>
> Exception: USBError(None, b'libusb0-dll:err [control_msg] sending control
> message failed, win error: A device attached to the system is not
> functioning.\r\n\n')
>
> I am using this usb ant+ stick:
>
https://www.amazon.com/gp/product/B077YDL2KL/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
>
> Am I missing something? Am I not setting something up that I should be?
Is
> it the USB ant+ stick brand? (I actually have 2 and it works with
neither)
>
> Thank you in advance!
>
> —
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> Reply to this email directly, view it on GitHub
> <#12>, or unsubscribe
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The issue just disappeared from GitHub, my previous reply was from the notification e-mail. Now it's back, I'm seeing your reply from December 20 just now. I found another person with the same issue, I thought it could be a PyUSB issue and asked for help in their repo, but looks like it's in a lower level pyusb/pyusb#343 I added a warning about the Cycplus ANT Stick in the README saying it's not compatible, even though it uses the same Vendor ID and Product ID as the ANTUSB2 Stick. The person who has this stick said it only works on Zwift, it doesn't work in other apps, not even SimulANT. They pointed me to this link, which makes me think there's a hardware issue with these sticks https://tacxfaqx.com/knowledge-base/cycplus-ant-stick/ |
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I use two CooSpo USB ANT Sticks, and it has been working perfectly until recently. I will try your above suggestions to see if the issue can be fixed. For using two identical sticks, could we specify which stick to use in the config file? Thanks! |
It's doable but you would need to modify the python-ant module to match the stick serial number. I added an option do match the USB bus and address (mch/python-ant@25261cb) so if that's enough for your situation, you can specify it here https://github.com/oldnapalm/vpower/blob/master/vpower.py#L53 |
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just got time to try this out. The problem is that I can't use two different drivers for two identical devices. Once I have changed one to use libusb-win32 using zadig, the other one is changed as well. I guess that's the limit of windows that you can't use different drivers. Not sure why it has been working for me for a month without the problem. It just stopped working recently. |
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No idea why it would stop working. Are you sure it's the same error as this issue? Actually this issue has no solution, all these tests with different drivers failed. |
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Not sure. The error message looks alike. See below. I moved vpower server to my linux box this morning, so I am good now! libusb0.py", line 447, in _check |
I downloaded the windows executable file and zadig to do the driver change.
I have one usb ant+ stick in my computer but when I run the vpower application I get this message:
Exception: USBError(None, b'libusb0-dll:err [control_msg] sending control message failed, win error: A device attached to the system is not functioning.\r\n\n')
I am using this usb ant+ stick: https://www.amazon.com/gp/product/B077YDL2KL/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Am I missing something? Am I not setting something up that I should be? Is it the USB ant+ stick brand? (I actually have 2 and it works with neither)
Thank you in advance!
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