From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [Bluez-devel] problem with hstest
From: Marcel Holtmann <marcel@holtmann.org>
To: Mr Jie Liu <s4048156@student.uq.edu.au>
Cc: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
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Date: Tue, 18 May 2004 12:10:50 +0200

Hi,

>   I am using Anycom's USB 220 and it is not based on CSR chip. Here is the device information of it on my computer:
> [root@tom sbin]# ./hciconfig hci0 version
> hci0:   Type: USB
>         BD Address: 00:0B:0D:21:9E:81 ACL MTU: 339:4  SCO MTU: 64:0
>         HCI Ver: 1.1 (0x1) HCI Rev: 0x93 LMP Ver: 1.1 (0x1) LMP Subver: 0x93
>         Manufacturer: Transilica, Inc. (24)
> [root@tom sbin]# ./hciconfig hci0 features
> hci0:   Type: USB
>         BD Address: 00:0B:0D:21:9E:81 ACL MTU: 339:4  SCO MTU: 64:0
>         Features: 0xff 0xff 0x3d 0x00
>                 <3-slot packets> <5-slot packets> <encryption> <slot offset>
>                 <timing accuracy> <role switch> <hold mode> <sniff mode>
>                 <park mode> <RSSI> <channel quality> <SCO link>
>                 <HV2 packets> <HV3 packets> <u-law log> <A-law log>
>                 <CVSD> <power control> <transparent SCO>
> [root@tom sbin]# ./hciconfig hci0 revision
> hci0:   Type: USB
>         BD Address: 00:0B:0D:21:9E:81 ACL MTU: 339:4  SCO MTU: 64:0
>         Unsupported manufacturer
> 
> Is there any other way I could figure out if the sco packets are routed through HCI or PCM interface? Can I trace it by hcidump?

I don't have any detailed information about the Transilica chip. Run
"hcidump -x" as root and if you see SCO packets then this dongles routes
the SCO data over HCI, otherwise it goes over the PCM.

And btw. do you activated the HCIUSB_SCO kernel option and do this
dongle really have the needed ISOC interface? You must check the content
of /proc/bus/usb/devices.

Regards

Marcel




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