[Fpga-synth] Try out spartan3e projects, questions

Theo Verelst theover at tiscali.nl
Tue Jul 1 14:46:03 CEST 2008


Dear Forum and mr Scott Gravenhorst,

With great interest I´ve read the wiki (though I wonder if it is a wiki 
in the sense of being somehow writable) and the Spartan 3E designs.

I´ve made a page about my last night experiments, including some 
polysynth patches:

    http://www.theover.org/Fpgasynth

I also made an analog synthesizer emulation using a Analog Devices DSP 
Blackfin board, and I have made a working bus connection with (albeit 
another) Xilinx FPGA board, so that in principle FPGA blocks could be 
combined with DSP and the AD/DA converters of that board:

    http://www.theover.org/Synth

I there would be interest in that.

I have two questions:

    Would it be hard to make a flexible combination of (existing) blocks 
in to a working FPGA design (compile or runtime for starters wouldn´t 
matter), for instance using a block composition program I made ( 
http://wiki.tcl.tk/bwise )?

    What is the format of the GatemanPoly programmer, over the serial 
link: a raw dump of the parameters or a midi exclusive format, and if 
the latter, can I use it to send single parameter changes? I´d like to 
make a Tcl programmer script, because that would be flexible and more 
and easily portable.

Kind regards,

    Theo Verelst
    theover at tiscali.nl
    http://www.theover.org



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