[Bluez-users] getting bluetooth v1.2

[Bluez-users] getting bluetooth v1.2

[Marco Trudel]

Hello everybody

I've a couple of questions regarding bluetooth v1.2:

- Does the bluetooth version only depend on the firmware or the hardware
too?
Following the page http://www.holtmann.org/linux/bluetooth/csr.html I need
a HCI 18.x firmware to have bluetooth 1.2 support. That would mean it's
hardware independent.

- How to upgrade a csr chip? I've d-link DBT-120 revision4. Following the
page http://www.holtmann.org/linux/bluetooth/features.html I need a
downgrade
to revision3 which supports bluetooth 1.2. why switched d-link back to
bluetooth 1.1 when they already had 1.2 on revision3?
I read the page http://www.holtmann.org/linux/bluetooth/dfu.html and my
conclusion is, that there's no way to upgrade/downgrade the firmware.
(Because apple explains that after upgrading a device, it will no longer
work with non apple computers and the windows firmware upgrader is no longer
available.)
Is there another way to upgrade the firmware? I could do it with linux,
windows and mac, but the dongle should still work with linux afterwards...

- actually i'm interested in the inquiry with rssi.
marcel told in a recent email in the mailinglist that silicon dongles
might return wrong values (or don't support it). So, which dongles
do support that and are they already buyable? Currently there are only
bluetooth 1.1 dongles in the stores I know...
Is it still to early for bluetooth v1.2?

- what are the other benefits of bluetooth v1.2?

regards
Marco

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Re: [Bluez-users] getting bluetooth v1.2

[Marcel Holtmann]

Hi Marco,

> I've a couple of questions regarding bluetooth v1.2:
> 
> - Does the bluetooth version only depend on the firmware or the hardware
> too?
> Following the page http://www.holtmann.org/linux/bluetooth/csr.html I need
> a HCI 18.x firmware to have bluetooth 1.2 support. That would mean it's
> hardware independent.

this depends on the features of Bluetooth 1.2 that you need. For example
eSCO is only working with a BlueCore3 and BlueCore4 in the CSR case.

> - How to upgrade a csr chip? I've d-link DBT-120 revision4. Following the
> page http://www.holtmann.org/linux/bluetooth/features.html I need a
> downgrade
> to revision3 which supports bluetooth 1.2. why switched d-link back to
> bluetooth 1.1 when they already had 1.2 on revision3?

The revision on a D-Link DBT-120 is a hardware revision. It is possible
to update the Rev. 4 dongles, but not with the btdfu program. The flash
timing are not correct.

> I read the page http://www.holtmann.org/linux/bluetooth/dfu.html and my
> conclusion is, that there's no way to upgrade/downgrade the firmware.
> (Because apple explains that after upgrading a device, it will no longer
> work with non apple computers and the windows firmware upgrader is no longer
> available.)

This is non-sense. You simply need to run hid2hci if you upgrade with
the Apple Bluetooth 1.2 firmware.

> Is there another way to upgrade the firmware? I could do it with linux,
> windows and mac, but the dongle should still work with linux afterwards...

The best way is to use the CSR tools, but these tools are not public
available. You can update a D-Link DBT-120 with a MacOS X of course. And
if you are lucky the Linux btdfu also works.

> - actually i'm interested in the inquiry with rssi.
> marcel told in a recent email in the mailinglist that silicon dongles
> might return wrong values (or don't support it). So, which dongles
> do support that and are they already buyable? Currently there are only
> bluetooth 1.1 dongles in the stores I know...

The CSR BlueCore02/BlueCore3/BlueCore4 chips support inquiry with RSSI,
but the Silicon Wave ROM chips I have seen so far have a problem with
inquiry with RSSI event size. The Broadcom chips don't support inquiry
with RSSI (this includes the Microsoft 2.0 dongle).

> Is it still to early for bluetooth v1.2?

It is actually too late, because we are moving to Bluetooth 2.0 with EDR
support.

> - what are the other benefits of bluetooth v1.2?

Mostly AFH, Fast Connect and eSCO.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2

[Marco Trudel]

> The CSR BlueCore02/BlueCore3/BlueCore4 chips support inquiry with RSSI,
> but the Silicon Wave ROM chips I have seen so far have a problem with
> inquiry with RSSI event size. The Broadcom chips don't support inquiry
> with RSSI (this includes the Microsoft 2.0 dongle).

hciconfig -a tells me that the manufacturer of my dongle is "Cambridge 
Silicon Radio (10)". this is one of the problems-dongle, right?

so, an update to bt v1.2 wouldn't make sense to me...

>>Is it still to early for bluetooth v1.2?
>  
> It is actually too late, because we are moving to Bluetooth 2.0 with EDR
> support.

but it's too early for 2.0 yet?


regards
Marco


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Re: [Bluez-users] getting bluetooth v1.2

[Marcel Holtmann]

Hi Marco,

> > The CSR BlueCore02/BlueCore3/BlueCore4 chips support inquiry with RSSI,
> > but the Silicon Wave ROM chips I have seen so far have a problem with
> > inquiry with RSSI event size. The Broadcom chips don't support inquiry
> > with RSSI (this includes the Microsoft 2.0 dongle).
> 
> hciconfig -a tells me that the manufacturer of my dongle is "Cambridge 
> Silicon Radio (10)". this is one of the problems-dongle, right?

check with "hciconfig hci0 revision" as root what BlueCore chip is on it
and no, these are not the problematic dongles.

> so, an update to bt v1.2 wouldn't make sense to me...

What does "lsusb" tells you?

> >>Is it still to early for bluetooth v1.2?
> >  
> > It is actually too late, because we are moving to Bluetooth 2.0 with EDR
> > support.
> 
> but it's too early for 2.0 yet?

Actually it is not. The only problem at the moment is that the Bluetooth
module manufactures don't get the BlueCore4 modules done. After that you
will see them in the USB dongles and the CSR BlueCore4 already supports
EDR without any problems and so do BlueZ.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2

[Marco Trudel]

Hello Marcel

Marcel Holtmann wrote:
> Hi Marco,
> 
> 
>>>The CSR BlueCore02/BlueCore3/BlueCore4 chips support inquiry with RSSI,
>>>but the Silicon Wave ROM chips I have seen so far have a problem with
>>>inquiry with RSSI event size. The Broadcom chips don't support inquiry
>>>with RSSI (this includes the Microsoft 2.0 dongle).
>>
>>hciconfig -a tells me that the manufacturer of my dongle is "Cambridge 
>>Silicon Radio (10)". this is one of the problems-dongle, right?
> 
> 
> check with "hciconfig hci0 revision" as root what BlueCore chip is on it
> and no, these are not the problematic dongles.

it's a BlueCore02

>>so, an update to bt v1.2 wouldn't make sense to me...
> 
> What does "lsusb" tells you?

it think you mean this line:
Bus 002 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle


>>>>Is it still to early for bluetooth v1.2?
>>>
>>> 
>>>It is actually too late, because we are moving to Bluetooth 2.0 with EDR
>>>support.
>>
>>but it's too early for 2.0 yet?
> 
> 
> Actually it is not. The only problem at the moment is that the Bluetooth
> module manufactures don't get the BlueCore4 modules done. After that you
> will see them in the USB dongles and the CSR BlueCore4 already supports
> EDR without any problems and so do BlueZ.

regards
Marco


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Re: [Bluez-users] getting bluetooth v1.2

[Marcel Holtmann]

Hi Marco,

> > check with "hciconfig hci0 revision" as root what BlueCore chip is on it
> > and no, these are not the problematic dongles.
> 
> it's a BlueCore02
> 
> >>so, an update to bt v1.2 wouldn't make sense to me...
> > 
> > What does "lsusb" tells you?
> 
> it think you mean this line:
> Bus 002 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle

and if this chip now contains 8 Mbit flash you get a good chance to
upgrade it with HCI 18.x firmware and so get Bluetooth 1.2 support.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2

[Marco Trudel]

so it doesn't mather that i've a silicon dongle?
(i need the bt v1.2 only because the rssi inquiry)
or isn't it a silicon one?

what is now the procedure?
- getting the btdfu program
- fix it (Adam Goode told how)
- download the 18.x firmware. where can i get it?
- install it...

regards
Marco


> Hi Marco,
> 
> > > check with "hciconfig hci0 revision" as root what BlueCore chip is on
> it
> > > and no, these are not the problematic dongles.
> > 
> > it's a BlueCore02
> > 
> > >>so, an update to bt v1.2 wouldn't make sense to me...
> > > 
> > > What does "lsusb" tells you?
> > 
> > it think you mean this line:
> > Bus 002 Device 008: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth
> Dongle
> 
> and if this chip now contains 8 Mbit flash you get a good chance to
> upgrade it with HCI 18.x firmware and so get Bluetooth 1.2 support.
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
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Re: [Bluez-users] getting bluetooth v1.2

[Marcel Holtmann]

Hi Marco,

> so it doesn't mather that i've a silicon dongle?
> (i need the bt v1.2 only because the rssi inquiry)
> or isn't it a silicon one?

you dongle is a Cambridge Silicon Radio (CSR for short) and the other
one is Silicon Wave (SiW for short). Read it more carefully.

> what is now the procedure?
> - getting the btdfu program
> - fix it (Adam Goode told how)
> - download the 18.x firmware. where can i get it?
> - install it...

If you are lucky, then yes. The GenericCSR.dfu is inside the MacOS X
Bluetooth update you can download from the Apple site.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2

[Adam Goode]

Yes, the "if you are lucky" part is very important. The one-line patch
may look simple, but it took a LONG time of experimenting to figure it
out!


Adam


On Mon, 2005-03-28 at 19:21 +0200, Marcel Holtmann wrote:
> Hi Marco,
> 
> > so it doesn't mather that i've a silicon dongle?
> > (i need the bt v1.2 only because the rssi inquiry)
> > or isn't it a silicon one?
> 
> you dongle is a Cambridge Silicon Radio (CSR for short) and the other
> one is Silicon Wave (SiW for short). Read it more carefully.
> 
> > what is now the procedure?
> > - getting the btdfu program
> > - fix it (Adam Goode told how)
> > - download the 18.x firmware. where can i get it?
> > - install it...
> 
> If you are lucky, then yes. The GenericCSR.dfu is inside the MacOS X
> Bluetooth update you can download from the Apple site.
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
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Re: [Bluez-users] getting bluetooth v1.2

[Marcel Holtmann]

Hi Adam,

> Yes, the "if you are lucky" part is very important. The one-line patch
> may look simple, but it took a LONG time of experimenting to figure it
> out!

you can also make your dongle unusable when you try the wrong firmware
or if the btdfu aborts at the wrong time, because of a timeout.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2, success report

[Marco Trudel]

Hello

I downloaded the Bluetooth Firmware Updater from apple, putted my dongle 
into the apple and run the updater. everything went perfectly fine...
i now have Build 1586 (HCI 18.2) and Bluetooth 1.2... nice!

If someone has no mac operating system and is interested in the 
GenericCSR.dfu, I can email it.

My last questions (hopefully) regarding this topic now are:
- What is dangerous about updating the dongle?
the procedure itself? only the linux btdfu tool (secure with mac)?

- Widcomm delivers update-software too, will/should this work too with the 
GenericCSR.dfu?

- I now have to run hid2hci every time after I plug the dongle in (thanks 
for the info marcel). What is this exactly doing, why is it necessary?

- doing hid2hci I get:
Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete 
multibyte or wide character)
but everything's fine after that. is this a problem? why the error?


Thanks for all your hints and help!

regards
Marco


Marcel Holtmann wrote:
> Hi Adam,
> 
> 
>>Yes, the "if you are lucky" part is very important. The one-line patch
>>may look simple, but it took a LONG time of experimenting to figure it
>>out!
> 
> 
> you can also make your dongle unusable when you try the wrong firmware
> or if the btdfu aborts at the wrong time, because of a timeout.
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
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> 
> 

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Re: [Bluez-users] getting bluetooth v1.2, success report

[Michal Semler]

Dne =FAt 29. b=F8ezna 2005 10:07 Marco Trudel napsal(a):
> Hello
>
> I downloaded the Bluetooth Firmware Updater from apple, putted my dongle
> into the apple and run the updater. everything went perfectly fine...
> i now have Build 1586 (HCI 18.2) and Bluetooth 1.2... nice!
>

Download it from dongle via btdfu - then it should have right timing.

> If someone has no mac operating system and is interested in the
> GenericCSR.dfu, I can email it.

We all have it :)

>
> My last questions (hopefully) regarding this topic now are:
> - What is dangerous about updating the dongle?
> the procedure itself? only the linux btdfu tool (secure with mac)?

you can destroy it, but now are all dongles very cheap

>
> - Widcomm delivers update-software too, will/should this work too with the
> GenericCSR.dfu?

We know nothing about this software - it should be better then Marcel's btd=
fu,=20
coz they have specifications

>
> - I now have to run hid2hci every time after I plug the dongle in (thanks
> for the info marcel). What is this exactly doing, why is it necessary?

yes, it is

>
> - doing hid2hci I get:
> Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete
> multibyte or wide character)
> but everything's fine after that. is this a problem? why the error?

error somewhere in usb subsystem - contact usb guys

>
>
> Thanks for all your hints and help!
>
> regards
> Marco


Michal

>
> Marcel Holtmann wrote:
> > Hi Adam,
> >
> >>Yes, the "if you are lucky" part is very important. The one-line patch
> >>may look simple, but it took a LONG time of experimenting to figure it
> >>out!
> >
> > you can also make your dongle unusable when you try the wrong firmware
> > or if the btdfu aborts at the wrong time, because of a timeout.
> >
> > Regards
> >
> > Marcel
> >
> >
> >
> >
> > -------------------------------------------------------
> > SF email is sponsored by - The IT Product Guide
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> > 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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=2D-=20
S pozdravem

Michal Semler


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Re: [Bluez-users] getting bluetooth v1.2, success report

[Marco Trudel]

Michal Semler wrote:
> Dne út 29. března 2005 10:07 Marco Trudel napsal(a):
> 
>>Hello
>>
>>I downloaded the Bluetooth Firmware Updater from apple, putted my dongle
>>into the apple and run the updater. everything went perfectly fine...
>>i now have Build 1586 (HCI 18.2) and Bluetooth 1.2... nice!
>>
> Download it from dongle via btdfu - then it should have right timing.

I have no idea what you mean with this...


>>If someone has no mac operating system and is interested in the
>>GenericCSR.dfu, I can email it.
> 
> We all have it :)

no. not everyone has it.
maybe you already have it...


>>My last questions (hopefully) regarding this topic now are:
>>- What is dangerous about updating the dongle?
>>the procedure itself? only the linux btdfu tool (secure with mac)?
> 
> you can destroy it, but now are all dongles very cheap

So the procedure itself is dangerous...


>>- Widcomm delivers update-software too, will/should this work too with the
>>GenericCSR.dfu?
> 
> We know nothing about this software - it should be better then Marcel's btdfu, 
> coz they have specifications


>>- I now have to run hid2hci every time after I plug the dongle in (thanks
>>for the info marcel). What is this exactly doing, why is it necessary?
> 
> yes, it is

I know that it is, I wrote that.
My question was why it is necessary and what it's doing...


>>- doing hid2hci I get:
>>Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete
>>multibyte or wide character)
>>but everything's fine after that. is this a problem? why the error?
> 
> error somewhere in usb subsystem - contact usb guys

regards
Marco

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Re: [Bluez-users] getting bluetooth v1.2, success report

[Michal Semler]

Dne =FAt 29. b=F8ezna 2005 12:22 Marco Trudel napsal(a):
> Michal Semler wrote:
> > Dne =FAt 29. b=F8ezna 2005 10:07 Marco Trudel napsal(a):
> >>Hello
> >>
> >>I downloaded the Bluetooth Firmware Updater from apple, putted my dongle
> >>into the apple and run the updater. everything went perfectly fine...
> >>i now have Build 1586 (HCI 18.2) and Bluetooth 1.2... nice!
> >
> > Download it from dongle via btdfu - then it should have right timing.
>
> I have no idea what you mean with this...
>
> >>If someone has no mac operating system and is interested in the
> >>GenericCSR.dfu, I can email it.
> >
> > We all have it :)
>
> no. not everyone has it.
> maybe you already have it...
>
> >>My last questions (hopefully) regarding this topic now are:
> >>- What is dangerous about updating the dongle?
> >>the procedure itself? only the linux btdfu tool (secure with mac)?
> >
> > you can destroy it, but now are all dongles very cheap
>
> So the procedure itself is dangerous...
>
> >>- Widcomm delivers update-software too, will/should this work too with
> >> the GenericCSR.dfu?
> >
> > We know nothing about this software - it should be better then Marcel's
> > btdfu, coz they have specifications
> >
> >>- I now have to run hid2hci every time after I plug the dongle in (than=
ks
> >>for the info marcel). What is this exactly doing, why is it necessary?
> >
> > yes, it is
>
> I know that it is, I wrote that.
> My question was why it is necessary and what it's doing...

It simply switch dongle from hid proxy mode to hci mode - for nearer=20
informations see mailing list history. We discussed it many times.

>
> >>- doing hid2hci I get:
> >>Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete
> >>multibyte or wide character)
> >>but everything's fine after that. is this a problem? why the error?
> >
> > error somewhere in usb subsystem - contact usb guys
>
> regards
> Marco
>
> Content Security by MailMarshal
>
>
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S pozdravem

Michal Semler


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Re: [Bluez-users] getting bluetooth v1.2, success report

[Marcel Holtmann]

Hi Marco,

> My last questions (hopefully) regarding this topic now are:
> - What is dangerous about updating the dongle?
> the procedure itself? only the linux btdfu tool (secure with mac)?

this depends on. Not all firmwares will fit into every dongle. However
we discussed this quite often and there is also a statement from a CSR
in the mailing list archive about it.

> - Widcomm delivers update-software too, will/should this work too with the 
> GenericCSR.dfu?

Never tested, but in general it should do the same job.

> - I now have to run hid2hci every time after I plug the dongle in (thanks 
> for the info marcel). What is this exactly doing, why is it necessary?

You get a USB dongle with HID proxy support. Look at the mailing list
archive for more details on what this is.

> - doing hid2hci I get:
> Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete 
> multibyte or wide character)
> but everything's fine after that. is this a problem? why the error?

I thought this was fixed, but in general you can ignore the error.

Regards

Marcel




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Re: [Bluez-users] getting bluetooth v1.2, success report

[Michal Semler]

Dne =FAt 29. b=F8ezna 2005 12:16 Marcel Holtmann napsal(a):
> Hi Marco,
>
> > My last questions (hopefully) regarding this topic now are:
> > - What is dangerous about updating the dongle?
> > the procedure itself? only the linux btdfu tool (secure with mac)?
>
> this depends on. Not all firmwares will fit into every dongle. However
> we discussed this quite often and there is also a statement from a CSR
> in the mailing list archive about it.
>
> > - Widcomm delivers update-software too, will/should this work too with
> > the GenericCSR.dfu?
>
> Never tested, but in general it should do the same job.
>
> > - I now have to run hid2hci every time after I plug the dongle in (than=
ks
> > for the info marcel). What is this exactly doing, why is it necessary?
>
> You get a USB dongle with HID proxy support. Look at the mailing list
> archive for more details on what this is.
>
> > - doing hid2hci I get:
> > Switching device 0a12:1000 to HCI mode failed (Invalid or incomplete
> > multibyte or wide character)
> > but everything's fine after that. is this a problem? why the error?
>
> I thought this was fixed, but in general you can ignore the error.

It wasn't fixed. I see this error too.

>
> Regards
>
> Marcel

Michal

>
>
>
>
> -------------------------------------------------------
> 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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=2D-=20
S pozdravem

Michal Semler


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Re: [Bluez-users] getting bluetooth v1.2

[Adam Goode]

On Sun, 2005-03-27 at 19:08 +0200, Marcel Holtmann wrote:

> The revision on a D-Link DBT-120 is a hardware revision. It is possible
> to update the Rev. 4 dongles, but not with the btdfu program. The flash
> timing are not correct.
> 

This fixes btdfu for me with Rev. 4 dongles. 


--- dfu.c~      2004-06-16 20:02:01.000000000 -0400
+++ dfu.c       2005-03-03 14:07:53.000000000 -0500
@@ -33,7 +33,7 @@
 #include "dfu.h"

 #define DFU_PACKETSIZE         0x03ff          /* CSR default value:
1023 */
-#define DFU_TIMEOUT            100
+#define DFU_TIMEOUT            1000

 int dfu_detach(struct usb_dev_handle *udev, int intf)
 {




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