Thank you very much for pointing me in the right direction Michael. > On Apr 28, 2021, at 05:26, Michael Kefeder <m.kefe...@gmail.com> wrote: > > 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 >
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