Marcel wrote:
> please run "hcitool info <bdaddr>" to show us what kind of Bluetooth
> chip is inside. I think it is a Zeevo one.
$ hcitool info 00:04:3E:81:90:E0
Requesting information ...
BD Address: 00:04:3E:81:90:E0
Device Name: Pocket_PC
LMP Version: 1.1 (0x1) LMP Subversion: 0x8d
Manufacturer: Telencomm Inc. (18)
Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
<3-slot packets> <5-slot packets> <encryption> <slot offset>
<timing accuracy> <role switch> <hold mode> <sniff mode>
<park state> <RSSI> <channel quality> <SCO link>
<HV2 packets> <HV3 packets> <u-law log> <A-law log>
<CVSD> <power control>
The folks at handhelds.org think it's a Zeevo:
http://www.handhelds.org/platforms/hp/ipaq-h22xx/tc2k_public.pdf
> It can happen, because some link managers only does this right when they
> are connected to there own dongles.
Do you know which dongles have bad link managers?
Thanks for your help.
Matt
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Hi Matt,
> > please run "hcitool info <bdaddr>" to show us what kind of Bluetooth
> > chip is inside. I think it is a Zeevo one.
>
> $ hcitool info 00:04:3E:81:90:E0
> Requesting information ...
> BD Address: 00:04:3E:81:90:E0
> Device Name: Pocket_PC
> LMP Version: 1.1 (0x1) LMP Subversion: 0x8d
> Manufacturer: Telencomm Inc. (18)
> Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
> <3-slot packets> <5-slot packets> <encryption> <slot offset>
> <timing accuracy> <role switch> <hold mode> <sniff mode>
> <park state> <RSSI> <channel quality> <SCO link>
> <HV2 packets> <HV3 packets> <u-law log> <A-law log>
> <CVSD> <power control>
>
> The folks at handhelds.org think it's a Zeevo:
> http://www.handhelds.org/platforms/hp/ipaq-h22xx/tc2k_public.pdf
it is a Zeevo chip, but it is the old generation and I had not very good
experiences with it.
> > It can happen, because some link managers only does this right when they
> > are connected to there own dongles.
>
> Do you know which dongles have bad link managers?
It is not the dongle itself. It is the firmware inside and it is a
problem of both sides. It is safe to fallback to DM1, but this means
that the bandwith will be decreased. If you have chips from the same
manufacturer on both sides everything is almost fine. Personally I
prefer CSR chips, because they cause less troubles. But to decide which
side is doing bad on the link manager, you must use a protocol analyser.
Regards
Marcel
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