Solved here for the curious: https://gist.github.com/evantahler/9755268
On Tuesday, March 25, 2014 8:33:32 PM UTC-7, Evan wrote: > > Anyone here have experience creating DMX (the lighting proticol) buffers > with node? > I'm having some trouble crafting my message packet and would love some > help. > > Here's a gist of what I've got so far > https://gist.github.com/evantahler/9755268' > > --- > > I need help talking to the Enttec Open DMX > USB<http://www.enttec.com/index.php?main_menu=Products&pn=70303> DMX > controller. I feel that I'm very close, and only have trouble with forming > the DMX buffer itself (starting on line > 101)<https://gist.github.com/evantahler/9755268#file-dmx-js-L101-L123> > > - The excellent fdti <https://github.com/KABA-CCEAC/node-ftdi> package > for node easly fins the device and can connect to it. > - if you are on Maverics, you need to unload the built-in OSX FTDI > driver with sudo kextunload -b com.apple.driver.AppleUSBFTDI > - The DMX device relies on the computer to continuously send data > (there is no onboard clock) > - DMX operates at about 40 fames/sec, so we send the universe every > ~20 ms (the exact frequency shouldn't matter, as DMX devices will keep > their last state until the next signal) > - The DMX start/stop codes, baudrate, etc have been confirmed and > validated by both this > ruby<https://github.com/crux/enttec-dmx-usb-pro-tools/blob/master/lib/enttec-dmx-usb-pro-tools/rdmx.rb> > and > node<https://github.com/wiedi/node-dmx/blob/master/drivers/enttec-usb-dmx-pro.js> > package > - I can confirm that I can talk to the dmx device and the hardware > works by using this OSX product <http://lightning-dmxcontrol.com/> > - I can "reach" the dimmer pack, as when I send a signal, it does > register a DMX signal... hence my supposition that the message is > malformed. > > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to nodejs@googlegroups.com To unsubscribe from this group, send email to nodejs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to nodejs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
