Re: [Bluez-users] hidd --server only finding one device

Jon Valvatne
2004-06-17T22:28:42Z

On Fri, 2004-06-18 at 00:19, Marcel Holtmann wrote:
> Hi Jon,
>
> > > do you've activated the role switch support on your host device?
> >
> > I believe so:
> >
> > # hciconfig hci0 lm
> > hci0: Type: PCCARD
> > BD Address: 00:E0:03:25:3E:29 ACL MTU: 340:4 SCO MTU: 64:0
> > Link mode: ACCEPT MASTER
> > # hciconfig hci0 lp
> > hci0: Type: PCCARD
> > BD Address: 00:E0:03:25:3E:29 ACL MTU: 340:4 SCO MTU: 64:0
> > Link policy: RSWITCH HOLD SNIFF PARK
>
> show us the output of "hciconfig -a".

# hciconfig -a
hci0: Type: PCCARD
BD Address: 00:E0:03:25:3E:29 ACL MTU: 340:4 SCO MTU: 64:0
UP RUNNING PSCAN ISCAN
RX bytes:1374134 acl:63939 sco:0 events:4549 errors:0
TX bytes:741932 acl:3358 sco:0 commands:158 errors:0
Features: 0xbf 0x00 0x20 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: ACCEPT MASTER
Name: 'BlueZ (0)'
Class: 0x000100
Service Classes: Unspecified
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x0 LMP Ver: 1.1 (0x1) LMP Subver:
0x21a
Manufacturer: Nokia Mobile Phones (1)

>
> > # hidd --server --nodaemon
> > hidd[6666]: Bluetooth HID daemon
> > hidd[6666]: New HID device 00:07:61:1A:78:E2 (Logitech Bluetooth Mouse)
> >
> > ... and then nothing when I try to use the keyboard. Is there something
> > I've overlooked regarding the role-switch stuff?
> >
> > I've done some simple debugging in hidd's main.c, which so far only
> > reveals that the poll() call in run_server() fails to produce any new
> > events once the first create_device() call has been made. The problem
> > doesn't appear to be caused inside hidd itself though, because killing
> > and restarting it after it's established the connection to the first
> > device doesn't help it discover the second one.
> >
> > Any pointers to where else I might look for the bug? I'm afraid I don't
> > really know my way around BlueZ internals.
>
> Check with "hcidump -x" what happens when you press a button of your
> second device.

Nothing at all, I'm afraid.

Jon