On Thu, Sep 24, 2009 at 7:16 PM, Tzafrir Cohen <[email protected]>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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