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Ixus 40 / SD300 v1.00k - Not shooting?

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Offline nemesis

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Ixus 40 / SD300 v1.00k - Not shooting?
« on: 07 / June / 2009, 01:48:38 »
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Hi,

I've been trying to get my Ixus 40 (SD300) working for about an hour and a half now.  Running ixus40_sd300-100k-0.9.8-770-full.zip.

Shooting in "normal" mode works, but shooting in ALT mode doesn't.
I've tried writing a basic script that boils down to "shoot"; "end".

I've tried playing around with the script start interval, and both RAW and not RAW.

When the script hits the "shoot" line, the camera's AF light flashes, it sounds like it's focussing, then it just sits there.  The script stalls, until you interrupt it (e.g. with by pressing the trigger again).

Any suggestions?
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Offline reyalp

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #1 on: 07 / June / 2009, 02:08:46 »
Not sure what the problem with your script is, but you don't need to shoot in alt mode. Whatever settings (raw, overrides etc) you set in alt mode affect shots taken in regular mode.
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Offline nemesis

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #2 on: 07 / June / 2009, 02:21:12 »
I thought you could only run scripts in alt mode?
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Offline reyalp

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #3 on: 07 / June / 2009, 02:51:24 »
Quote from: nemesis on 07 / June / 2009, 02:21:12
I thought you could only run scripts in alt mode?
You can only start scripts in alt mode, correct.

I thought you were expecting to be able to shoot normally in alt mode, which is a fairly frequent confusion.

If you want help with a script, you should post the actual script.
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Offline nemesis

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #4 on: 07 / June / 2009, 03:00:11 »
Here's the script:

Code: [Select]
@title Test
shoot
end

Like I said, very basic, but the script just stalls when it gets to "shoot".  I've tried putting in various "print" lines to check where it's getting up to.
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Offline fe50

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #5 on: 07 / June / 2009, 06:12:56 »
Hello & welcome, Nemesis !

Quote from: nemesis on 07 / June / 2009, 03:00:11
Here's the script:
Code: [Select]
@title Test
shoot
end
Like I said, very basic, but the script just stalls when it gets to "shoot".  I've tried putting in various "print" lines to check where it's getting up to.

Some Ixus models are known to have problems with the shoot command (the "Ixus shoot issue") ;
the shoot command is waiting in an endless loop for a 'ready-signal' that sometimes never come...

Sometimes it works in the camera's Manual mode with DISABLED flash...

If not: use a combination of the key emulation commands (press / release / click) instead of shoot...see CHDK wikia: Camera Operation Commands for them.
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Offline nemesis

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Re: Ixus 40 / SD300 v1.00k - Not shooting?
« Reply #6 on: 08 / June / 2009, 01:54:45 »
fe50 - thanks for the warm welcome!  That link certainly pointed me in the right direction.

If anyone else is wondering about this model, for future reference, here's what I'm using in place of "shoot":

Code: [Select]
press "shoot_half"
sleep 500
press "shoot_full"
sleep 100
release "shoot_full"
release "shoot_half"

The first sleep seems to be needed to allow the camera to focus.  It'll just skip the shot if you try to shoot_full too fast.

Not sure why the second sleep is required, but lack of seemed to miss a number of shots.

Again, thanks to fe50.
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