From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] How to confirm if a device has DFU support (dfutool)?
Date: Thu, 01 Nov 2007 06:04:10 +0100 [thread overview]
Message-ID: <1193893450.32459.114.camel@violet> (raw)
In-Reply-To: <c004c40d0710311812u50795ca4wa3a8f3a6b2848ec0@mail.gmail.com>
Hi Raul,
> I'm trying to backup the firmware from a Conceptronic CBT100U USB
> Bluetooth dongle using dfutool, and the message I get after selecting
> the device is:
>
> # dfutool -dhci0 archive file.dfu
> ...
> "Can't identify device with DFU mode"
> #
>
> I understand this could mean this chip manufacturer does NOT support DFU,
> although it is a CSR-based device, and mostly all CSR based modules and dongles
> support DFU. How can I confirm if DFU is supported?
that is plain wrong. Most CSR based devices are nowadays ROM chips and
don't support DFU anymore. However check /proc/bus/usb/devices, it will
tell you exactly if it is supported or not.
Regards
Marcel
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next prev parent reply other threads:[~2007-11-01 5:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-01 1:12 [Bluez-devel] How to confirm if a device has DFU support (dfutool)? Raul Siles
2007-11-01 5:04 ` Marcel Holtmann [this message]
2007-11-02 16:18 ` Raul Siles
2007-12-05 9:46 ` Raul Siles
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