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Messages - rambler

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Scripting Corner / Re: LUA Scripting (
« on: June 03, 2015, 06:17:37 PM »
It seems you intend to run a very long timelapse. I doubt anyone has tested this with a DSLR. Note that cameras are not designed to run for months on end, so it is probable, or almost certain, that it will fail after some days or weeks. And since it is possible to damage a DSLR programmatically, you may not want to try. It may be possible to use a trick long since known for P&S Canons in the CHDK community: if the power switch is set to “on” and power is applied, the camera will go “on”. Thus, with a programmable power supply, the camera can be switched on for only the duration required to take a couple of shots or a short video. This works on 550D, but I have no idea if it works on the others. And I have a gut feeling that it a dangerous practice with a DSLR.

May I suggest you consider another, far cheaper alternative: rather than use a Canon DSLR with ML, think of a Canon P&S with CHDK, where long timelapses is a proven and well tested concept. For the price of a DSLR you can get half a dozen of decent P&S. Video quality will probably be not as good, unless you pick one of the high-end models, which are expensive though. But then, are you sure you need video, 20s every day? Why not a still shot, or a few of them, which can then be combined into a nice hi-res timelapse video? If you need further advice on this, ask nicely at the CHDK forum, explaining your project and needs, and a few nice people out there will surely be more than happy to provide you with any general or practical advice.

General Help Q&A / Re: Dead pixel...?!
« on: August 01, 2012, 05:22:48 PM »
It may happen when you clear camera settings.
If “it” (clearing some parts of re-map tables) actually ever happens after “clear settings”, then that’s clearly a bug on canon side. Is there any solid evidence?

General Development / Re: Compiling toolchain
« on: July 25, 2012, 07:16:32 AM »
I can't get to compile the docs
Compiling docs needs a bunch of other stuff installed (latex & pandoc + dependencies, to name the obvious).

General Development / Re: Compiling toolchain
« on: July 24, 2012, 04:49:27 PM »
I don't know what to do. Could someone help me?
If you are running linux, then give up building and download a pre-built toolchain from (specifically, download this: ). In say

It you're on Win, there's a pre-built toolchain there, too, but it's not enough to compile ML.

On Mac, I have no idea.

General Development / Re: compiling ptpcam
« on: July 21, 2012, 05:04:43 PM »
Also what is the right platform?

Not sure about compile problems (haven't tried since a couple years back), but quite certainly PLATFORM & PLATFORMSUB have nothing to do with ptpcam. Those are for compiling CHDK for a particular camera.

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