FreeCalypso progress update

[Das Signal]

Hi Josh,

Thanks for participating in the discussion :)

With regards to FPGAs, my understanding is that it would require
porting all of TI's DSP code from C64x to VHDL, plus some massive
work on the RF frontend to deal with digital IQ instead of
analog IQ. There would also be problems with power consumption
I believe (making it less for mobile applications). So it's
feasible but probably very hard.

--DS

On Wed, Aug 02, 2017 at 11:01:02PM +0100, Josh Branning wrote:
> Hi,
> 
> As a lurker. You probably already know this but just a word of advice,
> 
> In regards to the FPGA board, you will probably be after the ICE40,
> as AFAIK, it is the only one with an open source toolchain (that is,
> if it meets your requirements).
> 
> Josh
> 
> 
> P.S.
> 
> I would be also be interested to know the feasibility of a
> semi-complete open hardware/software cellular modem/sdr could be
> built out out of this (or this sort of) FPGA. I know there is open
> source verilog code for an generic FM receiver out there, and am
> aware that all-digital phase locked loops and pulse width modulation
> can work in silicon (with a few issues). I also realize that some
> companies are already selling similar (lime micro) albeit with a
> closed toolchain and HDL code ... so perhaps. ¯\_(ツ)_/¯

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