Digital Photo Keychains for Linux

[Noam Rathaus]

Hi,

I investigated one of them awhile ago there was a Open Source project
to communicate with them, I remember it was very product specific, but
it worked with my Borders keychain - which I don't know the actual
product name.

2009/9/24 Ori Idan <ori at helicontech.co.il>:
>
> On Thu, Sep 24, 2009 at 7:16 PM, Tzafrir Cohen <tzafrir at cohens.org.il>
> wrote:
>>
>> On Thu, Sep 24, 2009 at 08:51:28AM +0300, Eli Marmor wrote:
>> > Hi,
>> >
>> > Do you know all those trendy Digital Photo Keychains?
>> > These cute and tiny digital frames that are sold for 49-79 NIS and are
>> > charged and fed by photos from a PC through USB?
>> >
>> > Well, I've always was sure that they use the standard flash disk
>> > protocol with the computer, like all the other players (MP3, MP4, etc.)
>> > and that their disk looks as a drive for your OS and you can just manage
>> > the files there (copy/rename/remove/etc.) just like any other directory
>> > or folder.
>> >
>> > I was amazed to find out that these devices require a special software
>> > to manage them.
>> >
>> > It means that they don't work with Linux, most of them don't work with
>> > MAC too, and that even the thousands software packages which were
>> > developed for Windows (!) can't access them (because they are not like
>> > "drives" with normal "files", but just a black box which only the user
>> > can access and only through the special software).
>> >
>> > Since there are hundreds of models, I can't believe that all of them
>> > use this crazy was of working and that none uses the standard flash
>> > disk protocol.
>> >
>> > I'll be glad to hear models that use the standard protocol (like all of
>> > the MP3, MP4, disk-on-key, etc.).
>>
>> Any idea what it would take to reflash one of those with a nicer
>> firmware?
>>
>
> To rewrite the firmware one must know the processor used there, it's memory
> map, amount of memory, peripheral addresses etc.
> I don't think it's easy to do.
>
> --
> Ori Idan
>
>
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