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Subject: Re: [Bluez-devel] dfutool - IBM X23 refuses to update ;)
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Fri, 21 Oct 2005 18:43:13 +0200

Hi Nils,

> Hmm... I just compared the original DFU and the upgrade DFU using the
> verify option:
> 
> ./dfutool verify ITSE_00003_07_IBM_BDC_Firmware128_Rev310.dfu
> Filename        ITSE_00003_07_IBM_BDC_Firmware128_Rev310.dfu
> Filesize        338168
> Checksum        b589a143
> DFU suffix      10 03 ff ff ff ff 00 01 55 46 44 10 43 a1 89 b5
> idVendor        ffff
> idProduct       ffff
> bcdDevice       310
> bcdDFU          1.0
> ucDfuSignature  DFU
> bLength         16
> dwCRC           b589a143
> Firmware type   CSR-dfu1
> Firmware check  valid checksum
> 
> ./dfutool verify org.dfu
> Filename        org.dfu
> Filesize        320480
> Checksum        8c89a52e
> DFU suffix      15 01 10 03 bf 04 00 01 55 46 44 10 2e a5 89 8c
> idVendor        04bf
> idProduct       0310
> bcdDevice       115
> bcdDFU          1.0
> ucDfuSignature  DFU
> bLength         16
> dwCRC           8c89a52e
> Firmware type   CSR-dfu1
> Firmware check  valid checksum
> 
> 
> Might the missing product and vendor ID be the problem with upgrade
> file? Can/should I try to change those?

no, because dfutool simply ignores them.

Regards

Marcel




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