Re: [Bluez-users] CSR Bluetooth firmware upgrade

[Marcel Holtmann <marcel@holtmann.org>]

Hi,

> my HP Ipaq h2200 has a CSR Bluetooth chipset and I use Familiar
> (GNU/Linux) v0.8.4 on it; this is the output of "hciconfig -a":
> 
> hci0:   Type: UART
>         BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 192:8 SCO MTU: 64:8
>         UP RUNNING PSCAN ISCAN AUTH ENCRYPT 
>         RX bytes:569 acl:0 sco:0 events:29 errors:0
>         TX bytes:1334 acl:0 sco:0 commands:28 errors:0
>         Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
>         Link policy: RSWITCH HOLD SNIFF PARK 
>         Link mode: SLAVE ACCEPT 
>         Name: 'h2200'
>         Class: 0x120112
>         Service Classes: Networking
>         Device Class: Computer, Handheld
>         HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP
> Subver: 0x20d Manufacturer: Cambridge Silicon Radio (10)
> 
> and this one is the output of "hciconfig hci0 revision":
> 
> hci0:   Type: UART
>         BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 192:8 SCO MTU: 64:8
>         HCI 16.4
>         Chip version: BlueCore02-External
>         Max key size: 56 bit
>         SCO mapping:  HCI
> 
> It is possible to upgrade the CSR Bluetooth firmware to get 128-bit
> encryption?

in general it is possible, but you need an official firmware from HP and
a firmware upgrade utility that can be used over UART.

Regards

Marcel



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