Hi Marcel and others, ;-)
> > > > > PS. I belive that the PSM in the L2CAP layer can serve more than
one
> > > > > client or am I totally wrong? otherwise I should update the PSM
> > > > > everytime a new client connect..
> > > >
> > > > It can also serve multiple PSM on the same ACL link.
> > >
> > > Ok.. how do I do that?
> > >
>
> > you call listen() and then accept() for every incoming connection. It is
> > the same as for TCP/IP.
>
> Ok.. I am already doing this in my parent thread. So the problem must be
> somewhere else.
> I'll try to do the hciconfig -a in a brief moment and sent the output to
the
> list... :-)
My source code for most of my BTserver can be found at:
http://www.diku.dk/hjemmesider/studerende/zool/bt/prot.cc
As you can see in my souce (see the listenL2CAP method), I do almost as you
told me to do and what l2test.c is doing.
I use the standard bind, listen and accept methods and spawns of a new
child, when I get a connection. But I still can't make it work when I have
more than one client (a piconet). Why is that? can you see a minor flaw in
my code?
I have made a hciconfig -a with one of my USB dongles (it is a DBT 120
unit):
hci0: Type: USB
BD Address: 00:40:05:60:41:0D ACL MTU: 192:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:653 acl:0 sco:0 events:19 errors:0
TX bytes:314 acl:0 sco:0 commands:18 errors:0
Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'fsck-0'
Class: 0x000100
Service Classes: Unspecified
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x1bb LMP Ver: 1.1 (0x1) LMP Subver: 0x1bb
Manufacturer: Cambridge Silicon Radio (10)
I can only give you this one, because one of my friends have the other two
dongles. I will though sent the output later tonight, when I get them back.
:-)
PS: It also seems like that the l2test works with more clients.. I really
can't see the big difference in my code and l2test.. But mabye it is me..
;-)
/Steffen Larsen
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Hi Steffen,
> My source code for most of my BTserver can be found at:
> http://www.diku.dk/hjemmesider/studerende/zool/bt/prot.cc
> As you can see in my souce (see the listenL2CAP method), I do almost as you
> told me to do and what l2test.c is doing.
> I use the standard bind, listen and accept methods and spawns of a new
> child, when I get a connection. But I still can't make it work when I have
> more than one client (a piconet). Why is that? can you see a minor flaw in
> my code?
>
> I have made a hciconfig -a with one of my USB dongles (it is a DBT 120
> unit):
>
> hci0: Type: USB
> BD Address: 00:40:05:60:41:0D ACL MTU: 192:8 SCO MTU: 64:8
> UP RUNNING PSCAN ISCAN
> RX bytes:653 acl:0 sco:0 events:19 errors:0
> TX bytes:314 acl:0 sco:0 commands:18 errors:0
> Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: SLAVE ACCEPT
> Name: 'fsck-0'
> Class: 0x000100
> Service Classes: Unspecified
> Device Class: Computer, Uncategorized
> HCI Ver: 1.1 (0x1) HCI Rev: 0x1bb LMP Ver: 1.1 (0x1) LMP Subver: 0x1bb
> Manufacturer: Cambridge Silicon Radio (10)
>
> I can only give you this one, because one of my friends have the other two
> dongles. I will though sent the output later tonight, when I get them back.
> :-)
so far so good, but check with "hciconfig hci0 revision" for the
firmware version. This one is too old. It should be HCI 16.4 or newer,
but if this is a DBT-120 Rev. B3 you might have a chance to update it.
> PS: It also seems like that the l2test works with more clients.. I really
> can't see the big difference in my code and l2test.. But mabye it is me..
> ;-)
I think you should use fork(). What is wrong with using poll() or
select() and an event loop.
And btw since you use code from l2test.c etc. you should include the GPL
license statement at the top of your code.
Regards
Marcel
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