eeprom programming

Harald Welte laforge at
Wed Apr 4 00:42:53 CEST 2007

On Tue, Apr 03, 2007 at 04:11:44PM -0400, Richard A. Smith wrote:
> >>Is the EEPROM file correct?
> >
> >The linux based eeprom flashing process is somehow flawed.    
> >The windows based method as recommended by FTDI using their MProg works,
> >though :(
> >
> >We once had somebody volunteering to look at this problem, they even
> >hada USB protocol analyzer.  Unfortuantely no result so far.
> That was me..

ah, ok.  Sorry for not remembering your name right away :)

> Looking at bugzilla I see that you fixed the string writes.  Do I still 
> need to look at this?

Oh, sorry.  I did not notice werners' recent updates to

> Getting the windows tool to work is a real pita.  It only works if the 
> ID's are default.  So once you program it you can't re-program it.  But 
> it appears to fail silently.

yes, I've noticed that.  You have to feed it .INF files with the vid/pid
combination in order to make mprog work again :)

I think programming on linux should now work fine with werners patch, so
there is no need for any further investigation into this issue. thanks!

- Harald Welte <laforge at>         
Software for the world's first truly open Free Software mobile phone

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