Hi Phil!
I just found your post and thought I'd chime in.
Funnily enough I'm just spending second day trying to connect to a
device with very similar signature to yours and I'm using code which
is pretty much the same as yours and, of course, I can't make it work
as well so I thought we could coordinate our efforts.
I'm attaching the result of my experiments using bluez at the end of
this email. As you can see the device report some UUID but I think
it's UUID for service discovery only because if I try to connect to it
the .connect() call gets through without any problems but the device
doesn't stay connected and, obviously, doesn't transmit any data.
I tried these UUIDs (actually more but these are the ones I have on
record :) ), without success:
8e1f0cf7-508f-4875-b62c-fbb67fd34812 // the one device reports
and a lot of base+number UUIDs:
0000XXXX-0000-1000-8000-00805F9B34FB
with X being 0001, 0003, 0040, 04fb, 1000, 1101, 1124, 1240 and a host
of others.
The 1240 one is a random guess as I'm getting "Received signal
org.bluez.Device:PropertyChanged from /org/bluez/1240/hci0/
dev_00_1C_4D_02_A6_55" errors on LogCat so I gave '1240' a try.
I'm not even sure the base-uuid-plus-some-number scheme is a good idea
any more.
If you solve your problem please shout, I'll report any successes as
well. Good luck! :)
Cheers,
Max
$ sdptool browse
Inquiring ...
Browsing 00:1C:4D:02:A6:55 ...
$ sdptool records 00:1C:4D:02:A6:55
Service Name: Zeemote
Service RecHandle: 0x10015
Service Class ID List:
UUID 128: 8e1f0cf7-508f-4875-b62c-fbb67fd34812
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 1
Language Base Attr List:
code_ISO639: 0x656e
encoding: 0x6a
base_offset: 0x100
$ rfcomm connect /dev/tty10 00:1C:4D:02:A6:55
Connected /dev/rfcomm0 to 00:1C:4D:02:A6:55 on channel 1
Press CTRL-C for hangup
# rfcomm show /dev/tty10
rfcomm0: 00:1F:3A:E4:C8:40 -> 00:1C:4D:02:A6:55 channel 1 connected
[reuse-dlc release-on-hup tty-attached]
# cat /dev/tty10
(nothing here)
# hcidump
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Connect Complete (0x03) plen 11
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
> HCI Event: Read Remote Supported Features (0x0b) plen 11
< ACL data: handle 11 flags 0x02 dlen 10
L2CAP(s): Info req: type 2
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
> HCI Event: Max Slots Change (0x1b) plen 3
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
> HCI Event: Command Status (0x0f) plen 4
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Info rsp: type 2 result 0
Extended feature mask 0x0000
< ACL data: handle 11 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 3 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x04fb scid 0x0040 result 1 status 2
Connection pending - Authorization pending
> HCI Event: Remote Name Req Complete (0x07) plen 255
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x04fb scid 0x0040 result 0 status 0
Connection successful
< ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x04fb flags 0x00 clen 4
MTU 1013
> ACL data: handle 11 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
MTU 1013
< ACL data: handle 11 flags 0x02 dlen 18
L2CAP(s): Config rsp: scid 0x04fb flags 0x00 result 0 clen 4
MTU 1013
< ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x04fb len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
< ACL data: handle 11 flags 0x02 dlen 18
L2CAP(d): cid 0x04fb len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8
dlci 2 frame_type 0 credit_flow 15 pri 7 ack_timer 0
frame_size 1008 max_retrans 0 credits 7
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8
dlci 2 frame_type 0 credit_flow 14 pri 7 ack_timer 0
frame_size 1008 max_retrans 0 credits 0
< ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x04fb len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 2 pf 1 ilen 0 fcs 0x59
> ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 2 pf 1 ilen 0 fcs 0x92
< ACL data: handle 11 flags 0x02 dlen 12
L2CAP(d): cid 0x04fb len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
> ACL data: handle 11 flags 0x02 dlen 12
L2CAP(d): cid 0x0040 len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
< ACL data: handle 11 flags 0x02 dlen 12
L2CAP(d): cid 0x04fb len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 12
L2CAP(d): cid 0x0040 len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
> ACL data: handle 11 flags 0x02 dlen 9
L2CAP(d): cid 0x0040 len 5 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 1 ilen 0 fcs 0x5c credits 1
< ACL data: handle 11 flags 0x02 dlen 9
L2CAP(d): cid 0x04fb len 5 [psm 3]
RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 33
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Role Change (0x12) plen 8
> ACL data: handle 11 flags 0x02 dlen 17
> ACL data: handle 11 flags 0x01 dlen 17
> ACL data: handle 11 flags 0x01 dlen 17
> ACL data: handle 11 flags 0x01 dlen 3
L2CAP(d): cid 0x0040 len 50 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 46 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
L2CAP(d): cid 0x0040 len 42 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
L2CAP(d): cid 0x0040 len 42 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
L2CAP(d): cid 0x0040 len 42 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
L2CAP(d): cid 0x0040 len 42 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
L2CAP(d): cid 0x0040 len 12 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> HCI Event: Max Slots Change (0x1b) plen 3
> HCI Event: Mode Change (0x14) plen 6
...events are received...
disconnection sequence (device being shut down):
> HCI Event: Mode Change (0x14) plen 6
> ACL data: handle 11 flags 0x02 dlen 17
L2CAP(d): cid 0x0040 len 13 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 9 fcs 0x40
> HCI Event: Max Slots Change (0x1b) plen 3
> ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): DISC: cr 0 dlci 2 pf 1 ilen 0 fcs 0xd9
< ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x04fb len 4 [psm 3]
RFCOMM(s): UA: cr 0 dlci 2 pf 1 ilen 0 fcs 0xf3
< ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x04fb len 4 [psm 3]
RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs 0xfd
< ACL data: handle 11 flags 0x02 dlen 12
L2CAP(s): Disconn req: dcid 0x04fb scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 8
L2CAP(d): cid 0x0040 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
> ACL data: handle 11 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x04fb scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
< HCI Command: Disconnect (0x01|0x0006) plen 3
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Disconn Complete (0x05) plen 4
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