hi, Since darktable is actually using gphoto2 for tethered shooting you can use gphoto2 cli for your script to take an image when the LEDs are in desired state. cli usage docs here http://www.gphoto.org/doc/manual/ref-gphoto2-cli.html see --capture-image argument.
hth mike Am Mi., 28. Apr. 2021 um 09:00 Uhr schrieb E <ekmecics...@gmail.com>: > Hello, > > I’m using a digital camera to scan film negatives, and I’ve created a > custom PCB with to light the negatives with red, green, and blue light of > specific wavelengths. To control the LED board, issue commands over serial > to turn the LEDs on/off, change their intensity, etc. I have a program on > my computer that scripts these operations, so I can tell the board “turn on > the red channel, wait 1 second, then blue, wait 1 second” etc. > > It would be ideal if I could control my tethered camera at the same time > through darktable. Darktable’s tethering mode is great, but I’m not aware > of any method to trigger a capture externally. Ideally I would have a > process running on my computer that issues commands to the LED board, and > communicates with darktable using some kind of IPC to trigger a capture at > the right time. This way I could synchronize the LED board with the camera > and automate part of the capture process. > > Is there a built in way to do this in darktable? > > > Thanks.____________________________________________________________________________ > darktable user mailing list > to unsubscribe send a mail to > darktable-user+unsubscr...@lists.darktable.org > > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
