I see in the documentation (dlpa021.pdf) that there are Gray codes embedded in the projector. Are these patterns in the DLPC100 controller, or in the DLPR100 ROM?
Long-story-short: I've had a lot of success doing phase-shift imaging (sinusoid) via the HDMI connector (via Mac laptop) but am hoping that there are either extra buffers that can have patterns written to them OR be able to replace the Gray code patterns (hack the ROM?) with my own (via I2C and, so, not having to run the projector via HDMI). Then I ought to be able to use an Arduino (Uno or Mega) to cycle the patterns and supply a sync to the camera (Prosilica GE1050).
Yes, Grays are binary (and smaller to store) while mine are 8-bit but - hey - I'm asking. I don't have a large range to the surfaces I'm scanning, surface color isn't a factor, and I'm limited by the camera's framerate; so it's more-efficient to 'throw' three patterns in lieu of sixteen.
Failing 'embedding' my patterns: do 'pattern generators' exist which would let me store patterns and flash them to the Pico via HDMI (eliminating the need for supplying them from a computer)? It would be a plus to have the three-piece camera/projector/Arduino 'head' bundled together with the recording computer CAT5'ed some distance away (and no need for an HDMI interconnect, which would also eat processor cycles).
Finally, when I2C commands are issued to the Pico, are they stored in non-volatile memory (so the device doesn't have to be re-configured after every power-up)? I've been working with the default projector settings (640x480 interpolated down to 480 x 320) and haven't gotten around to I2C-control of the unit yet (Arduino being my choice over Beagle because of personal experience and availability).
I welcome everyone's comments/suggestions.
