doubling USB input port
 

I have a peculiar problem for which hopefully somebody can give me a
solution.
I have an external device that is connected to my system (ubuntu 10.04
on an AMD Phenom processor) via an USB-port.
I have a Linux program that can process the data from the USB port as
well as a Windows program running in an XP-guest under VMware.
VMware claims the USB port exclusively so the XP-guest has the
exclusive rights to process the data coming from the device.
As the data from the device are only periodically read there is more
than enough time for both applications to acquire the data.
I don't know a process that can switch control access to the USB port
nor do I know of a process that can mirror an USB port. I also don't
know if VMware (or virtualbox) has a control mechanism to switch an
external device from connect to disconnect (because when is device is
disconnected from a virtualization client it is automatically connected
to the host).

Somebody has a clue or a brainwave?
Joep

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doubling USB input port
 

On 07/09/2012 03:10 PM, Joep L. Blom wrote:
> I have a peculiar problem for which hopefully somebody can give me a
> solution.
> I have an external device that is connected to my system (ubuntu 10.04
> on an AMD Phenom processor) via an USB-port.
> I have a Linux program that can process the data from the USB port as
> well as a Windows program running in an XP-guest under VMware.
> VMware claims the USB port exclusively so the XP-guest has the
> exclusive rights to process the data coming from the device.
> As the data from the device are only periodically read there is more
> than enough time for both applications to acquire the data.
> I don't know a process that can switch control access to the USB port
> nor do I know of a process that can mirror an USB port. I also don't
> know if VMware (or virtualbox) has a control mechanism to switch an
> external device from connect to disconnect (because when is device is
> disconnected from a virtualization client it is automatically connected
> to the host).
> Somebody has a clue or a brainwave?
> Joep
>

Clicking on the device icon in VMWare Status Bar to disconnect/connect
isn't what you are looking for? Are you instead looking to do this via
software? Maybe this will be of use:
<http://www.vmware.com/support/ws45/doc/devices_usb_ws.html>

As for VirtualBox, the last time I tried with USB's, I ended up having
to plug and unplug the device to get it to switch. That's primarily why
I switched to VMWare.







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doubling USB input port
 

On 07/09/2012 04:51 PM, NoOp wrote:
...
>
> Clicking on the device icon in VMWare Status Bar to disconnect/connect
> isn't what you are looking for? Are you instead looking to do this via
> software? Maybe this will be of use:
> <http://www.vmware.com/support/ws45/doc/devices_usb_ws.html>
>
> As for VirtualBox, the last time I tried with USB's, I ended up having
> to plug and unplug the device to get it to switch. That's primarily why
> I switched to VMWare.

Sorry, forgot to add that if you are looking for USB sharing/redirection:

<https://duckduckgo.com/?q=linux+%2B+usb+redirection+%2B+vmware>
<https://duckduckgo.com/?q=vmware+%2B+share+usb+port>

That will lead to possibles:
<http://www.softpedia.com/get/System/System-Miscellaneous/USB-Redirector.shtml>
<http://communities.vmware.com/message/2020061>
etc




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doubling USB input port
 

On 10-07-12 01:51, NoOp wrote:

On 07/09/2012 03:10 PM, Joep L. Blom wrote:




Clicking on the device icon in VMWare Status Bar to disconnect/connect
isn't what you are looking for? Are you instead looking to do this via
software? Maybe this will be of use:
<http://www.vmware.com/support/ws45/doc/devices_usb_ws.html>

As for VirtualBox, the last time I tried with USB's, I ended up having
to plug and unplug the device to get it to switch. That's primarily why
I switched to VMWare.



Gary,Thanks for your quick reply but the problem is that either the host
or VMware controls the device. Of course I can manual switch by clicking
on the device icon in the VMware lower panel but to do that every minute
is a little too much. I would like to have either a switch (e.g. a
program running in the XP guest that connects on request and disconnect
when application reading the device signs off) or a process in the host
(i.e. Ubuntu) that 'clones' the USB-device, something like in the
network configuration where the same MAC-address can service several
network ports (e.g. eth0:0 and eth0:1) and both an have a different
IP-address.

Joep


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doubling USB input port
 

On 10 July 2012 18:08, Joep L. Blom <jlblom@neuroweave.nl> wrote:
> On 10-07-12 01:51, NoOp wrote:
>>
>> On 07/09/2012 03:10 PM, Joep L. Blom wrote:
>
>
>>
>> Clicking on the device icon in VMWare Status Bar to disconnect/connect
>> isn't what you are looking for? Are you instead looking to do this via
>> software? Maybe this will be of use:
>> <http://www.vmware.com/support/ws45/doc/devices_usb_ws.html>
>>
>> As for VirtualBox, the last time I tried with USB's, I ended up having
>> to plug and unplug the device to get it to switch. That's primarily why
>> I switched to VMWare.
>>
>
> Gary,Thanks for your quick reply but the problem is that either the host or
> VMware controls the device. Of course I can manual switch by clicking on the
> device icon in the VMware lower panel but to do that every minute is a
> little too much. I would like to have either a switch (e.g. a program
> running in the XP guest that connects on request and disconnect when
> application reading the device signs off) or a process in the host (i.e.
> Ubuntu) that 'clones' the USB-device, something like in the network
> configuration where the same MAC-address can service several network ports
> (e.g. eth0:0 and eth0:1) and both an have a different IP-address.
> Joep
>
>
>
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If it's as simple as a hard drive have you considered mounting it
locally in the host and then sharing it with the guest account? If not
it would probably be useful to know what this unnamed device is.

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Jared Norris JP(Qual) BBehSc(Psych)
https://wiki.ubuntu.com/JaredNorris

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doubling USB input port
 

On 10-07-12 13:25, Jared Norris wrote:

On 10 July 2012 18:08, Joep L. Blom <jlblom@neuroweave.nl> wrote:




If it's as simple as a hard drive have you considered mounting it
locally in the host and then sharing it with the guest account? If not
it would probably be useful to know what this unnamed device is.


Jarred,
Thanks for your reply. Yes, principally there is no difference between
an external drive and this device (it's a weather-station). Both plug
into an USB port. However, VMware (and I assume virtualbox as well)
needs to have exclusive rights. I have never tried it with an external
USB drive but for example an USB bluetooth dongle is also exclusively
either in use by the guest in VMware or the host and I haven't found a
way to double it.

Joep



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doubling USB input port
 

On 07/10/2012 06:02 AM, Joep L. Blom wrote:
> On 10-07-12 13:25, Jared Norris wrote:
>> On 10 July 2012 18:08, Joep L. Blom <jlblom@neuroweave.nl> wrote:
>
>>
>> If it's as simple as a hard drive have you considered mounting it
>> locally in the host and then sharing it with the guest account? If not
>> it would probably be useful to know what this unnamed device is.
>>
> Jarred,
> Thanks for your reply. Yes, principally there is no difference between
> an external drive and this device (it's a weather-station). Both plug
> into an USB port. However, VMware (and I assume virtualbox as well)
> needs to have exclusive rights. I have never tried it with an external
> USB drive but for example an USB bluetooth dongle is also exclusively
> either in use by the guest in VMware or the host and I haven't found a
> way to double it.

<http://kb.vmware.com/selfservice/search.do?cmd=displayKC&docType=kc&externalId=2005 315>

> Joep
>
>
>



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doubling USB input port
 

On 11-07-12 05:48, NoOp wrote:

On 07/10/2012 06:02 AM, Joep L. Blom wrote:




<http://kb.vmware.com/selfservice/search.do?cmd=displayKC&docType=kc&externalId=2005 315>

Gary,Thanks. It works. However, only for a bluetooth device. No other
device as far as I have found.
However, it's interesting to know that theoretically it would be
possible although how that could be achieved is not mentioned.

Joep



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