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Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

From: Jeff Brower
Subject: Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device
Date: Mon, 24 Mar 2008 22:40:12 -0600


> > >> Can you clarify for me, why should the DV Dongle contents be open 
> > >> source?  What GNU licensed code are they using
> > >> that requires them to give back?
> > >
> > > The DV Dongle device uses open source firmware.
> >
> > Do you mean inside the Dongle?  If so, which firmware?
> From the information on the DV Dongle list the shipping firmware is the same 
> as on the moetronix.com  web site.
> http://www.moetronix.com/dvdongle/

Hmm.  Yes it does seem they are saying everything inside the Dongle is open 
But I don't see how they can do that since as far as I know, DVSI has never 
open source for IMBE or AMBE.  I'm going to guess that if you pin down 
they will tell you the open source refers to the Atmel 91SAM7S microcontroller 
in there, not the TI DSP.

I would further guess that since there is a hardware 'boundary' between the 
Atmel and
the DSP (most likely one of the "McBSP" simple synchronous serial ports found 
on many
TI DSPs), they will tell you they don't face a GPL requirement to show the DVSI
source.  I.e. it looks like a brick and they don't know what's in it.


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