Return-Path: Date: Fri, 13 Aug 2004 09:37:36 -0700 To: Marcel Holtmann Cc: BlueZ Mailing List , Steven Singer Subject: Re: CSR firmware question... Message-ID: <20040813163736.GC22763@bougret.hpl.hp.com> Reply-To: jt@hpl.hp.com References: <20040813002514.GA21388@bougret.hpl.hp.com> <1092385877.28711.185.camel@pegasus> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1092385877.28711.185.camel@pegasus> From: Jean Tourrilhes List-ID: On Fri, Aug 13, 2004 at 10:31:17AM +0200, Marcel Holtmann wrote: > Hi Jean, > > > A few questions regarding CSR firmware : what's a commonly > > available BT USB dongle with a recent CSR firmware. > > as I know there are only dongles with HCI 16.14 firmware available. And... > > I'm hitting various bugs with the CSR firmware in my D-Link > > USB dongles (0x1bb), where I can easilly deadlock the dongle. My 3Com > > dongle, which has a more recent firmware (0x20e), behave much better, > > but not perfect. > > D-Link doesn't provide a firmware updater, but, beeing > > fearless, I tried to firmware upgrade a D-Link dongle and ended up > > with a dead dongle (can't even put back the original firmware on it). > > From the release notes, the latest CSR firmwares have zillions > > of bug fixes. I really wonder how I can enjoy the bug fixes. > > The D-Link dongle DBT-120 (Rev B3) can be updated using the Apple > firmware update file. After that it will be HCI 18.1 with default boot > mode set to HID. This is exactly what I did. I have a rev B3, and I used Apple file. What do you mean default boot set to HID ? I look similar to what I'm seeing. > Maybe other revisions of the D-Link dongle don't work > and I already put some of dongles to death while playing with firmware > upgrade. Yep, seems easy. > > P.S. : Marcel, do you have a version of btdfu that can write the > > firmware image to the dongle ? Or some documentation ? > > I never announced the new version of the btdfu, but now as you asked for > it, here it is: > > http://www.holtmann.org/linux/bluetooth/btdfu-0.3.tar.gz > > Use it at your own risk, because you can kill your dongle !!! Actually, I realised that I can't even use that, the dongle no longer has a control pipe. Grrr.... > Read what the CSR guys had written about signed firmware and that it is > not possible to move firmware from one manufacturer to another !!! Yep, I read that, I won't comment to stay polite. > Regards > > Marcel Jean