OK gents - I appreciate this insight...so I tested today by backtracking the Canon standard camera presets...the KAP website says use "P" mode...but when I switched back to "Auto", the camera accepted each and every USB trigger event I manually injected thru the Pixhawk. Go figure. Now I got these results using ver 3.5.I also just loaded the ver 3.6 script, and it also ran without issue in the camera's "Auto" mode.
One thing that might be worth checking is the flash setting in the Canon firmware for each of these modes. If it isn't already off for P mode, I'd suggest trying with it off.
set_prop(props.FLASH_MODE, 2) -- disable built-in flash
The script attempts to disable the built-in flash by setting a propcaseCode: [Select] set_prop(props.FLASH_MODE, 2) -- disable built-in flashAFAIK, the main difference between P and AUTO modes is that P mode allows the user to set things like ISO, White balance, Coloration schemes, and some features of the built-in flash. I guess it's possible on some cameras, in P mode and in low light situations, that setting the FLASH_MODE prop blocks taking an actual shot?
For what its worth...just tested ver 3.6 after shutting off auto flash .. which covered Auto and P modes. Placed camera in P mode and it fired without incident. nice pics too at ISO 800 etc.Attached the KAP log file.Seems like progress has been made.This is a great capability. Will let y'all know how the pics look after I fly and capture some property survey shots tomorrow.
Other possibilities: Flash mode propcase is wrong on that camera, or uses a different value for disable.
One thing I noted is that on a sunny day the pictures (both jpg & .DNG) need to be color-corrected in Photoshop as they appear somewhat over exposed. I will try and get out at noon and see if sun angle makes a difference. (I suspect it does ease the shadow issues somewhat.)
I also note that the script will allow the pixhawk to signal a shutter release about every three seconds...not bad for speed. I did have focus set at infinity and zoom is @ 20%
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