[sdiy] analogDNA

[Brock Russell]

Rob,

I think Daniel Kruszyna is ahead of you in implementing CAN. 
<http://krue.net/cansynth/>
Info for like minded people at 
<http://wiki.netsynth.org/index.php?title=Main_Page> too.
Interesting idea.

Brock


At 02:19 PM 6/17/2006, Rob wrote:
>Hi
>I am designing a programmable analog modular synthesizer. Each analog module
>has a digital PCB to store/recall pot and switch settings (as local
>patches), along with a small 16x2 LCD. I am using PIC18F4680's and any
>analog synthesizer design can be "digitised" using DAC CV's, digital pots
>and software switches.
>
>A Global patch facility is also supported, whereby all modules are
>programmed from a central Patch module linked to the outside world via MIDI
>and with unlimited patch storage via a memory card. I plan to use CAN Bus
>technology to pass Patch data to/from the central Patch module to individual
>modules. Data transmissions are therefore relatively small (32 bytes) and
>infrequent.
>
>Herein lies the question!
>
>Is CAN bus technology a good choice, or are there alternatives I should be
>considering for interconnecting PIC based modules within one or more
>synthesizers? Anyone thinking about something like this yet? I know the
>Buchla 200e is close to this design (I2C?) but has no local patch storage.
>
>This design could easily be open source for SynthDIYers, enabling a wide
>variety of programmable analog modules to be interconnected via an analog
>Digital Network Architecture - analogDNA.
>
>Regards
>Rob
>www.emulatorarchive.com