> > [my description of the inquiry problems with java (jsr82)]
> can your reproduce it without using any JSR-82 stuff?
yes. i tried the inquiries with "hcitool scan".
again, i do 5 and more inquiries in a row with one second sleep between
inquiries single "hcitool scan"'s...
here what i noted:
- it needs in average 4 inquiries to get a new device after it's in
rainge (4 single "hcitool scan" until it's visible).
- it needs in average 2 inquiries to see that a device is no longer in
rainge (or has bluetooth disabled). the first new inquiry usually gives
"n/a" as the friendlyName, the second one doesn't list it again.
does maybe bluez or my bluetooth dongle cache old inquiries or is there
still radiation in the air :-) ?
- during scans, if nothin changes (no new/disappeared devices), the
friendlyName changes to n/a for a single inquiry (very rare, but it happens)
- if multiple new devices come in rainge, old devices migt have a n/a
friendlyName (the right one comes back in the next scan)
thanks for your time...
kind regards
Marco
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Hi Marco,
> what do you mean by "job periodic inquiry"?
> what is this? i don't know what this means...
look at the HCI part of the Bluetooth specification for the commands and
events for periodic inquiry.
Regards
Marcel
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Hello Marcel
what do you mean by "job periodic inquiry"?
what is this? i don't know what this means...
kind regards
Marco Trudel
Marcel Holtmann wrote:
> Hi Marco,
>
>
>>yes. i tried the inquiries with "hcitool scan".
>>again, i do 5 and more inquiries in a row with one second sleep between
>>inquiries single "hcitool scan"'s...
>>
>>here what i noted:
>>- it needs in average 4 inquiries to get a new device after it's in
>>rainge (4 single "hcitool scan" until it's visible).
>>- it needs in average 2 inquiries to see that a device is no longer in
>>rainge (or has bluetooth disabled). the first new inquiry usually gives
>>"n/a" as the friendlyName, the second one doesn't list it again.
>>does maybe bluez or my bluetooth dongle cache old inquiries or is there
>>still radiation in the air :-) ?
>
>
> for me this sounds more like a job periodic inquiry.
>
> Regards
>
> Marcel
>
>
>
>
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from real users.
> Discover which products truly live up to the hype. Start reading now.
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> https://lists.sourceforge.net/lists/listinfo/bluez-users
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>
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Hi Marco,
> yes. i tried the inquiries with "hcitool scan".
> again, i do 5 and more inquiries in a row with one second sleep between
> inquiries single "hcitool scan"'s...
>
> here what i noted:
> - it needs in average 4 inquiries to get a new device after it's in
> rainge (4 single "hcitool scan" until it's visible).
> - it needs in average 2 inquiries to see that a device is no longer in
> rainge (or has bluetooth disabled). the first new inquiry usually gives
> "n/a" as the friendlyName, the second one doesn't list it again.
> does maybe bluez or my bluetooth dongle cache old inquiries or is there
> still radiation in the air :-) ?
for me this sounds more like a job periodic inquiry.
Regards
Marcel
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Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
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