Re: [Bluez-devel] BCM2035 over UART on the E680I

[Ho Ming Shun <cyph@cyph.ath.cx>]

Oliver wrote:

>Ho,
>
> =20
>
>>However, the problem comes when BlueZ requests the Bluetooth address=20
>>back from the chip: it will reply with 00:00:00:00:00:00. Seems like it=
s=20
>>not a problem unheard of:=20
>>http://www.linuxquestions.org/questions/history/341892
>>l2ping and hcitool scan works despite BlueZ not knowing the correct=20
>>local address.
>>   =20
>>
>
>It is not a BlueZ problem but a device itself, with the BlueZ stack the=20
>chip uses to forget its BD_ADDR.
> =20
>
I am thinking more along the lines of "You just told me my BD_ADDR, why=20
are you asking for it now?"

> =20
>
>>Will this cause any problems BlueZ functionality or other applications?
>>   =20
>>
>
>AFAIK for example another devices could not connect to it, moreover the=20
>fact that a device identifies itself as 00:00:00:00:00:00.
> =20
>
However, like I said, l2ping works. sdptool also works fine. Perhaps it=20
transmits packets with the correct address, just that it would not tell=20
BlueZ its BD_ADDR?

> =20
>
>>Is this a sign that the chip is somehow configured wrongly?
>>   =20
>>
>
>Looks like, but I fear its too late for the the device. Would help a lot=
 if=20
>it can take again a valid BD_ADDR. The HCI_USB driver behaves different =
for=20
>this device it casts a reset hci command on it, before the intialitation=
=20
>commands. May there is a point to look at but you are talking over UART.=
..
> =20
>
Too late? You mean it will be stuck with this BD_ADDR?

> =20
>
>>Is this a common problem for this chip?
>>   =20
>>
>
>I had this problem, I could not make it get its previous BD_ADDR
>
>thanks,
>
>	=09
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