Re: [Bluez-devel] First dongle with EDR support

[Peter Robinson <pbrobinson@gmail.com>]

Hi Marcel,

> this is strange. The feature bits say that it supports EDR, but the
> Bluetooth version still shows 1.1.
>=20
> Please do a "hciconfig hci0 version features revision" as root with the
> latest bluez-utils version. I am also interersted what lsusb shows you
> and what is the content of /proc/bus/usb/devices.

OK,

lsusb gives me:
[root@localhost btsco]# lsusb
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd
Bluetooth Dongle (HCI mode)
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000

/proc/bus/usb/devices for that dev gives me:
T:  Bus=3D02 Lev=3D01 Prnt=3D01 Port=3D00 Cnt=3D01 Dev#=3D  2 Spd=3D12  MxC=
h=3D 0
D:  Ver=3D 2.00 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 MxPS=3D64 #Cfgs=3D  1
P:  Vendor=3D0a12 ProdID=3D0001 Rev=3D15.00
C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3Dc0 MxPwr=3D  0mA
I:  If#=3D 0 Alt=3D 0 #EPs=3D 3 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D81(I) Atr=3D03(Int.) MxPS=3D  16 Ivl=3D1ms
E:  Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D  64 Ivl=3D0ms
E:  Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D  64 Ivl=3D0ms
I:  If#=3D 1 Alt=3D 0 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D   0 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D   0 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D   9 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D   9 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 2 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  17 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  17 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 3 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  25 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  25 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 4 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  33 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  33 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 5 #EPs=3D 2 Cls=3De0(unk. ) Sub=3D01 Prot=3D01 Driver=
=3Dhci_usb
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  49 Ivl=3D1ms
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  49 Ivl=3D1ms
I:  If#=3D 2 Alt=3D 0 #EPs=3D 0 Cls=3Dfe(app. ) Sub=3D01 Prot=3D00 Driver=
=3D(none)

And the hciconfig for bluez-utils 2.15 (I need to compile 2.17 when i get t=
ime):
[root@localhost btsco]# hciconfig hci0 version features revision
hci0:   Type: USB
        BD Address: 00:0A:94:01:8A:3A ACL MTU: 384:8 SCO MTU: 64:8
        HCI Ver: 1.1 (0x1) HCI Rev: 0x5dc LMP Ver: 1.1 (0x1) LMP Subver: 0x=
5dc
        Manufacturer: Cambridge Silicon Radio (10)
        Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80
                <3-slot packets> <5-slot packets> <encryption> <slot offset=
>
                <timing accuracy> <role switch> <hold mode> <sniff mode>
                <park state> <RSSI> <channel quality> <SCO link> <HV2 packe=
ts>
                <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme=
>
                <power control> <transparent SCO> <broadcast encrypt>
                <EDR ACL 2 Mbps> <EDR ACL 3 Mbps> <enhanced iscan>
                <interlaced iscan> <interlaced pscan> <inquiry with RSSI>
                <extended SCO> <EV4 packets> <EV5 packets> <AFH cap. slave>
                <AFH class. slave> <3-slot EDR ACL> <5-slot EDR ACL>
                <AFH cap. master> <AFH class. master> <EDR eSCO 2 Mbps>
                <EDR eSCO 3 Mbps> <3-slot EDR eSCO> <extended features>
        Build 1500
        Chip version: BlueCore4-External
        Max key size: 56 bit
        SCO mapping:  HCI

Regards,
Pete


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