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* [Bluez-users] How can I create a rfcomm connection?
@ 2005-07-16  9:25 宁 宁
  2005-07-17 13:46 ` Marcel Holtmann
  0 siblings, 1 reply; 2+ messages in thread
From: 宁 宁 @ 2005-07-16  9:25 UTC (permalink / raw)
  To: bluez users

I have a SCR module on a arm platform,and have another
module on another arm. I can't create a rfcomm
connection!
arm platform A:
[\u@\h \W]\$ hcitool scan
Scanning ...
        4A:49:4E:00:15:2F       B
[\u@\h \W]\$ rfcomm connect 0 4A:49:4E:00:15:2F
Can't connect RFCOMM socket: Connection refused

[\u@\h \W]\$ rfcomm connect 0 4A:49:4E:00:15:2F 9
< HCI Command: Create Connection (0x01|0x0005) plen 13
    bdaddr 4A:49:4E:00:15:2F ptype 0xcc18 rswitch 0x01
clkoffset 0x0000
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
  00 01 05 04
> HCI Event: Connect Complete (0x03) plen 11
  00 29 00 2F 15 00 4E 49 4A 01 00
< ACL data: handle 41 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040
> HCI Event: Max Slots Change (0x1b) plen 3
  29 00 05
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040
result 0 status 0
      Connection successful
< ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen
4
      MTU 1024
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00
result 0 clen 0
      Success
> ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen
4
      MTU 1024
< ACL data: handle 41 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00
result 0 clen 0
      Success
< ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 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
  01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 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 41 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 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 1019 max_retrans 0 credits 7
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
Can't connect RFCOMM socket: Connection refused
[\u@\h \W]\$ > ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DM: cr 1 dlci 2 pf 1 ilen 0 fcs 0x73
< ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs
0xfd
< ACL data: handle 41 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 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 41 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
< HCI Command: Disconnect (0x01|0x0006) plen 3
    handle 41 reason 0x13
    Reason: Remote User Terminated Connection
> HCI Event: Command Status (0x0f) plen 4
  00 01 06 04
> HCI Event: Disconn Complete (0x05) plen 4
  00 29 00 16

arm platfrom B:
> HCI Event: Connect Request (0x04) plen 10
  2F 15 00 4E 49 4A 00 00 00 01
< HCI Command: Accept Connection Request (0x01|0x0009)
plen 7
    bdaddr 4A:49:4E:00:15:2F role 0x01
    Role: Slave
> HCI Event: Command Status (0x0f) plen 4
  00 01 09 04
> HCI Event: Connect Complete (0x03) plen 11
  00 29 00 2F 15 00 4E 49 4A 01 00
< HCI Command: Change Connection Packet Type
(0x01|0x000f) plen 4
    handle 41 ptype 0xcc18
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Page Scan Repetition Mode Change (0x20)
plen 7
  2F 15 00 4E 49 4A 01
> HCI Event: Max Slots Change (0x1b) plen 3
  29 00 05
> ACL data: handle 41 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040
< ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040
result 0 status 0
      Connection successful
> HCI Event: Command Status (0x0f) plen 4
  00 01 0F 04
> HCI Event: Connection Packet Type Changed (0x1d)
plen 5
  00 29 00 18 CC
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen
4
      MTU 1024
< ACL data: handle 41 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00
result 0 clen 0
      Success
< ACL data: handle 41 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen
4
      MTU 1024
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00
result 0 clen 0
      Success
> ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs
0x1c
< ACL data: handle 41 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
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 3]
      RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs
0x70 mcc_len 8
      dlci 18 frame_type 0 credit_flow 15 pri 7
ack_timer 0
      frame_size 1019 max_retrans 0 credits 7
< ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DM: cr 1 dlci 18 pf 1 ilen 0 fcs 0x18
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> ACL data: handle 41 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs
0xfd
< ACL data: handle 41 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 41 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
< ACL data: handle 41 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> HCI Event: Number of Completed Packets (0x13) plen 5
  01 29 00 01 00
> HCI Event: Disconn Complete (0x05) plen 4
  00 29 00 13

and if I enter command "rfcomm listen 0 9" on one
platform,the result on another is 
"Waiting for connection on channel 9
Connection from 4A:49:4E:00:15:2F to
/dev/bluetooth/rfcomm/0
Press CTRL-C for hangup".

And it didn't prompte to enter pin.
rfcomm0 {
        # Automatically bind the device at startup
        bind yes;
                                                      
                                                      
 
        # Bluetooth address of the device
        device 4A:49:4E:00:15:2F
                                                      
                                                      
 
        # RFCOMM channel for the connection
        channel 1;
                                                      
                                                      
 
        # Description of the connection
        comment "Example Bluetooth device";
}


I really have no idea what is wrong!  And I can't read
these hcidump result,I am sorry!

Any help will be appreciated!






	

	
		
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2005-07-16  9:25 [Bluez-users] How can I create a rfcomm connection? 宁 宁
2005-07-17 13:46 ` Marcel Holtmann

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