I'm not sure what category to put this in, but I ended up here for now.
First, to clarify where I'm coming from; I have a Canon S110 that I'm using 90% just for UAV aerial photography. That is only because of CHDK and the "kap uav" script that is available somewhere
. This works very well.
However I recently got a used G7 X pretty cheap. As it is listed as compatible with CHDK I gave it a try today. I know it is a "trunk" build and not "stable", but I only care for the script, not any other functions which may be broken or not.But
the script doesn't actually work like I'm used to with the S110.
1. It seems to like getting stuck at one exposure value, in this case my lowest setting of 1/800. I have set it to 1/800 - 1/2000.
2. Aperture value doesn't change like expected. It seems to be way random and the camera/script likes staying on high numbers a lot, like f11 even though it's not even set in the script! I Have set the script settings to use f 1.8 to 8.
This makes every picture underexposed, especially when it's on 1/800 and f11.
I have never experienced any problems with CHDK or this script before, even though I have been using it for many years. So I have no idea where to start looking when trying to fix this.