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Recording timelapse with USB directly to disk or PC

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Offline barret

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Recording timelapse with USB directly to disk or PC
« on: 08 / February / 2009, 06:22:09 »
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i'm not sure if this was brought up before but, is it possible to make timelapse pictures (for example 1 sec. delay) so that they'll download directly to PC via usb cable? as far as i remember, there are some limitations for using camera with PC AND CHDK.

Re: Recording timelapse with USB directly to disk or PC
« Reply #1 on: 08 / February / 2009, 07:37:27 »
s it possible to make timelapse pictures (for example 1 sec. delay) so that they'll download directly to PC via usb cable?

In principle, a script command could switch to playback mode and WIA-Loader (SDM version) could upload the images to a folder and then delete them on the camera.
After a sufficient interval, you would switch back to record mode.

Obviously, you cannot do that with short-interval shooting.



David

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Offline barret

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Re: Recording timelapse with USB directly to disk or PC
« Reply #2 on: 08 / February / 2009, 08:55:34 »
Quote
Obviously, you cannot do that with short-interval shooting.
hmmm, yes, and doing so after each shot in intervals of one second is also stupid thing ;)

Re: Recording timelapse with USB directly to disk or PC
« Reply #3 on: 08 / February / 2009, 14:43:16 »
 There are some wifi cards out there but I'm also interested in this file transfer method. You could use this for security...    The wifi cards are being tested and I hear they need baby sitting. They stop working after a bit.



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Offline ewavr

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Re: Recording timelapse with USB directly to disk or PC
« Reply #5 on: 08 / February / 2009, 17:01:03 »
Some pretty experimental stuff I did a while back:
http://chdk.setepontos.com/index.php/topic,2696.msg25206.html#msg25206
http://chdk.setepontos.com/index.php/topic,2686.msg25109.html#msg25109
Maybe is even possible (for cameras with mechanical record-playback switch) to leave PTP working connection in record mode (this works on a710, ixus700).

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Offline fudgey

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Re: Recording timelapse with USB directly to disk or PC
« Reply #6 on: 08 / February / 2009, 17:07:18 »
Maybe is even possible (for cameras with mechanical record-playback switch) to leave PTP working connection in record mode (this works on a710, ixus700).

I did that in the thread in the first link... I believe it's not quite as good as what you achieved on a710 before since PB2Rec() screws some things up a bit, but PTP list/download worked fine in REC mode, while running a script, even during long exposures and burst mode shoot.

 

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