Not a proxmix user but this link might be worth a
read https://www.wundertech.net/how-to-pass-through-usb-devices-in-proxmox/
On Saturday, February 24, 2024 at 2:58:03 PM UTC-8 sab...@gmail.com wrote:
> While the RPi is not as cheap as they once were, they are perfect little
> devices to dedicated to a weather station. I have been using a RPi3B with
> an acurite console since 2016. I recently started to move to weewx5 and in
> the process upgrade it to a 4GB RPi4. While the RPi3b still works fine, I
> was impressed with how much faster the RPi4 is. Building the reasons skin
> took about half the time. Currently I still have both Pis set up with
> different consoles both reading frome the same station until I get the new
> Pi and Weewx5 set up just how I want it.
>
> Personally I would set up a dedicated pi per acurite station. 😁
>
> On Saturday, February 24, 2024 at 4:31:25 PM UTC-6 Patrick Whaley wrote:
>
>> Thank you all for your quick responses with useful information as you've
>> definitely help direct my efforts.
>>
>> I spent the last few days setting up a hypervisor ('pimox' aka ProxMox 7)
>> on my raspberry pi 400 (since it's the only spare computer I have that is
>> capable of running VM's), with the intent of running two debian linux VM's,
>> each with their own install of weewx and hopefully being constricted to
>> 'seeing' a single/specified AcuRite system on USB.
>>
>> ProxMox & debian work/run great, but unfortunately it seems I'm back
>> at/near square one as this does not seem to be able to solve the original
>> problem.
>>
>> Turns out there are multiple ways to setup USB ports in the VM's , and
>> ways to turn USB ports on/off in linux - I tried all the conventional
>> options and some hacks, but ultimately if I have both AcuRite's hooked to
>> teh pi, and both VM's running weewx, one VM weewx will work and the other
>> VM weewx will not, as it claims it's not receiving USB data from an
>> AcuRite. Shutting down the working VM frees up (or whatever is going on)
>> the AcuRite usb data for the other VM and it starts working.
>>
>> I'm going to put this one on the back burner for now but am not throwing
>> in the towel just yet ;-)
>>
>> -pw
>>
>> On Wednesday, February 21, 2024 at 3:36:46 PM UTC-5 p q wrote:
>>
>>> I wonder if it would be easier to use SDR on one sensor unit and USB for
>>> the other so that way you know which you're getting. I am not familiar with
>>> weewx-multi, so maybe I'm talking crap.
>>>
>>>
>>>
>>> On Wed, Feb 21, 2024 at 12:02 PM matthew wall <mwall...@gmail.com>
>>> wrote:
>>>
>>>> hi patrick,
>>>>
>>>> unfortunately, every acurite station looks the same - there is no
>>>> unique identifier that lets you distinguish one station from another via
>>>> the USB interface.
>>>>
>>>> if chaney instruments had done it right, they would have burned a
>>>> serial number into each device, not just idProduct and idVendor.
>>>>
>>>> in lieu of an identifier for each device, another approach is to
>>>> distinguish devices based on their locations in the usb tree. if you
>>>> could
>>>> do that, then you could conceivably plug them into a usb hub that has
>>>> ports
>>>> whose addresses are repeatable across reboots (that might even apply to
>>>> the
>>>> usb 'hub' built in to the computer).
>>>>
>>>> i am not sure whether this is possible, but it would be a fun little
>>>> project to determine the feasibility. and it is probably easier now that
>>>> libusb is not as volatile as it was 10 years ago.
>>>>
>>>> when you initiate communication with a HID (which is how the acurite
>>>> and other usb-based stations present themselves), you specify idProduct
>>>> and
>>>> idVendor, then take the first one that shows up. if a device has a unique
>>>> identifier, you can match on that too (the ws28xx transceviers are an
>>>> example of this. some, but not all, USB-to-serial converters are too, but
>>>> they are not HID). it *might* be possible to use the usb tree information
>>>> to distinguish devices. or maybe the HID interface lets you enumerate
>>>> them
>>>> - not sure whether the libusb and pyusb layers even let you determine
>>>> whether there are multiple devices that match.
>>>>
>>>> m
>>>>
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>>>> .
>>>>
>>>
>>>
>>> --
>>> Peter Quinn
>>> (415)794-2264 <(415)%20794-2264>
>>>
>>
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