RE: Anycom bluetooth progress

Pav,

[...]

> > > > 3) enable authentication for the incoming connection
> > > >  
> > > >  # hccontrol -n ubt0hci write_authentication_enable 1
> > > 
> > > it's enabled
> > 
> > did you do hccontrol -n ubt0hci read_authentication_enable
> > to verify its really on?
> 
> Yes, I verified. And there wasn't any connection to the phone, according
> both to hccontrol and to display of my phone.

[...]

> > > Unsuccessfull, exactly same as yesterday.
> > > 
> > > > HCI Event: Connect Request(0x04) plen 10
> > >   A4 19 29 37 80 00 04 02 52 01 
> > > < HCI Command: Accept Connection Request(0x01|0x0009) plen 7
> > >   A4 19 29 37 80 00 00 
> > > > HCI Event: Command Status(0x0f) plen 4
> > >   00 01 09 04 
> > > > HCI Event: Connect Complete(0x03) plen 11
> > >   1A 29 00 A4 19 29 37 80 00 01 00 

[...]

> Yes, I'm sure that my PC refused all connections (pairing attempts) from
> the phone. Well, it can't be broader problem, because I don't have any
> way how to check if I can connect from phone to PC at all.

hmm... Connection Complete event has status 0x1A - Unsupported Remote
Feature. It seems like when your phone initiates a connection something
is not working properly.

could you please repeat pairing procedure when PC initiates a connection
and send me HCI dump? i just want to see the message sequence. 

[...]

> > > here it stop blocked reading from that socket. And nothing ever happens
> > > anymore. When I do pairing request on phone, this process does not do
> > > anything. Also there is no change in `ngctl list` output.
> > 
> > looks fine to me. hcsecd listens on raw HCI sockets for Link_Key_Request 
> > or PIN_Code_Request. it will block until required event is received.
>
> And it was never received, even when I tried to pair my phone several
> times.

yes, because your PC device never sends them. in normal case device
would send Link_Key_Request/PIN_Code_Request events between 
Create_Connection/Accept_Connection_Request and Connect_Complete events.

hcsecd is a passive thing. it only comes into play when device asks
for link key/pin.

> > > that I have to pair devices every time I want to connect. But the phone
> > > seems to ask for link key, which I don't have. Can I get one somewhere?
> > > I'm leaving this to further investigation later.
> > 
> > you sure can :) just create one :) its pre-shared link key that works
> > between pair of BDADDRs. you can program this key info device itself
> > or put it into hcsecd config. check out Read,Write,Delete}_Stored_Link_Key
> > commands in hccontrol(8). the problem is the phone. can you program link
> > key in the phone? my wife's sony ericsson t68i does not have this feature.
>
> I don't think T39 have such feature also. But, as I figured out later,
> if entry for my PC stays in phone's list of paired devices, I don't have
> to pair it again. Even hcsecd does not need to be running. So this issue
> solved automagically itself.

hmm... but it should not. unless your phone peforms access control on
BDADDR base *only*. in other words you only need to enter PIN code once
to put BDADDR in the phone's access control list. later the whole key/pin
thing does not even come into play because phone recognizes BDADDR and
accepts connection without *any* authentication at all.

> > no problem. thanks for you time :) how is GPRS speed? is it usable
> > for internet browsing? 
> 
> GPRS is same as before, Bluetooth and your stack is not slowing it down.
> I must say it's much more CPU efficient than serial cable I used before.
> I have older phone, it's only 3+1 timeslots, so ~4 kB/s download and
> ~1 kB/s upload. It's comparable to ordinary modem.

cool, so seems like you got advertised 43kbit/s = ~5.4 kBytes/sec (if
you consider overhead on L2CAP/RFCOMM/PPP/IP/TCP/HTTP :)

> I putted together a webpage where I wrote step by step what I had to do
> to get this working. It's on http://www.oook.cz/bsd/bluetooth.html
> I will add sections for other services as I'll figure them out. :)

thanks! that's a great thing to do. i have some comments which i will
send to you later.

thanks,
max


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