If I can get CHDK to work I should be able to use a phone or tablet to control the camera remotely.
So I'm wondering if it's possible to move that key to the right hand side? I can code a bit, and would be happy to have a go at it myself if someone can point me in the right direction.
If you are able to use PTP control, you shouldn't need to be able to activate alt from the camera.
FWIW, CHDK doesn't really support control from a phone or tablet. You can control over USB using the PTP extension, but AFAIK there isn't a usable mobile client.
The relevant code should be in platform/ixus240_elph320hs/kbd.cAttached is a source patch that should swap the ALT and raw toggles. If you tell me which firmware version your camera has, I can post a build as well. I don't have this camera or any other with touch support implemented, so I'm not sure it's correct. I'm also not sure if this will make the camera usable for you, since some other buttons are on the left side.
Thanks for that reyalp. Could you advise which software is the most straightforward for working with Lua?
For development / testing, I like to use chdkptp (https://app.assembla.com/spaces/chdkptp/wiki) to interactively send one liners to the camera and see the results. You can also edit files on your PC and run them.
FWIW, I tried sending some touch levents on G7X and didn't see any response. That doesn't mean they don't work, touches must presumably have parameters like position and it's not clear how they would be passed.
I just found the problem about being stuck in Play mode! It's in the Install section of the chdkptp wiki. I probably should have mentioned that I use Linux, and the problem seems to be something about interactions with default software.
The udev stuff described https://app.assembla.com/spaces/chdkptp/wiki/Install has worked for me, but the details may vary depending on the distro.
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