[Bluez-users] About Ipaq and Nokia phone

[Bluez-users] About Ipaq and Nokia phone

[Lan Zhang]

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Hi, 

 

I have an ipaq and Nokia 3650 phone; I try to use both of them with my
linux box. I download bluez packet and obex packet, before I make any
connect or pair, both of them can find my linux, and each of them can
setup a connection with the linux Bluetooth. But they cannot work
together. The problem is the Nokia phone cannot find the Bluetooth
device after the ipaq connected to LAN access point. Before the ipaq
connect to LAN access over ppp, the phone can find my linux Bluetooth
device, and it can use the sdp service which provided. But after the
ipaq connected to the linux; the phone will not able to look this
Bluetooth device anymore. I didn't try to pair these two; I just try to
search the Bluetooth around the phone. And if I disconnect the ipaq,
then the phone can find it again. So dose it support multiple
connections? 

 

Thanks a lot. 

 

Regards, 

Lan Zhang

 

 

 

 


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Re: [Bluez-users] About Ipaq and Nokia phone

[Marcel Holtmann]

Hi Lan,

> I have an ipaq and Nokia 3650 phone; I try to use both of them with my
> linux box. I download bluez packet and obex packet, before I make any
> connect or pair, both of them can find my linux, and each of them can
> setup a connection with the linux Bluetooth. But they cannot work
> together. The problem is the Nokia phone cannot find the Bluetooth
> device after the ipaq connected to LAN access point. Before the ipaq
> connect to LAN access over ppp, the phone can find my linux Bluetooth
> device, and it can use the sdp service which provided. But after the
> ipaq connected to the linux; the phone will not able to look this
> Bluetooth device anymore. I didn=FFt try to pair these two; I just try
> to search the Bluetooth around the phone. And if I disconnect the
> ipaq, then the phone can find it again. So dose it support multiple
> connections?=20

what does "hciconfig -a" say?

Regards

Marcel




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RE: [Bluez-users] About Ipaq and Nokia phone

[Marcel Holtmann]

Hi Lan,

> The "hciconfig -a" is showed below. And because I want to use the phone
> to print, so I set the linux class as a printer. 
> 
> hci0:   Type: USB
>         BD Address: 00:04:76:C8:44:48 ACL MTU: 128:8 SCO MTU: 64:8
>         UP RUNNING PSCAN ISCAN
>         RX bytes:27601 acl:487 sco:0 events:473 errors:0
>         TX bytes:69807 acl:835 sco:0 commands:18 errors:0
>         Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
>         Link policy: HOLD SNIFF PARK
>         Link mode: SLAVE ACCEPT
>         Name: 'LINUX'
>         Class: 0x140680
>         Service Classes: Rendering, Object Transfer
>         Device Class: Imaging, Printer
>         HCI Ver: 1.1 (0x1) HCI Rev: 0x73 LMP Ver: 1.1 (0x1) LMP Subver:
> 0x73
>         Manufacturer: Cambridge Silicon Radio (10)

there is a way too old firmware on this Bluetooth module. You can't have
an inquiry and a connection at the same time. Try to get a dongle with a
least CSR firmware HCI 16.4.

> By the way, I try to use hcidump to catch what is going on, but it looks
> the hcidump didn't catch up the lower level signal, or inquire signals.
> Is there a way to look at that? 

First you must run it with root rights to catch all HCI packets and of
course its name is hcidump and it can only sniff on the HCI layer and
above. For link manager or baseband decoding you need a protocol
analyser.

Regards

Marcel




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