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How to find shutter count on S100

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Offline RBurk10

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How to find shutter count on S100
« on: 26 / December / 2012, 15:51:54 »
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I am new to the forum and recently installed CHDK.  I think I posted in the wrong forum this question.
Is it possible to find the shutter count with CHDK for my S100?
I have looked through all the menus and can't find it.  I have done a search on the question on the forums and couldn't find an answer.
Could someone help me with this?
Thanks
Randy
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Offline waterwingz

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Re: How to find shutter count on S100
« Reply #1 on: 26 / December / 2012, 19:46:07 »
What do you mean by "shutter count" ?  It's apparently not a term the people on this forum recognize.

Also,  thanks for noting that you posted the same question in another thread.
http://chdk.setepontos.com/index.php?topic=9166.msg94784
In general,  the people who can answer your questions follow all posts and cross posting tends to annoy them.  Usually if you don't get a response its because nobody knows the answer to your question - it not because it was not read.
« Last Edit: 26 / December / 2012, 20:08:31 by waterwingz »
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Offline RBurk10

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Re: How to find shutter count on S100
« Reply #2 on: 26 / December / 2012, 20:56:39 »
My apologies for cross-posting...I was not sure where to post and after I posted I saw the newbie forum and its descriptions and knew that is where the question should be.
My question is about shutter actuations...the number of pictures taken.  Is there, with chdk, a way I can determine how many pictures have been taken?
thanks
Randy
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Offline lapser

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Re: How to find shutter count on S100
« Reply #3 on: 26 / December / 2012, 21:41:59 »
Do you mean the total number of pictures the camera has taken since it was manufactured, kind of like the mileage on a car? I don't think there's a way to find that number at this time. I'm not sure the camera stores it, but it would be interesting if it does. Have you found this number on other cameras?

There's a script function called get_exp_count() that returns a number between 0001 and 9999 that corresponds to the file name of the last picture taken, but I doubt that's what you want. So I think the short answer is: No.
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Offline waterwingz

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Re: How to find shutter count on S100
« Reply #4 on: 26 / December / 2012, 22:22:05 »
Quote from: lapser on 26 / December / 2012, 21:41:59
Do you mean the total number of pictures the camera has taken since it was manufactured, kind of like the mileage on a car?
There is a way to do that with the G10 so presumably other cameras support it too ?   Can't find it right now and I've been afraid to check the mileage I put on the camera during the port and subsequent coding efforts.  But its a  built-in Canon thing and has nothing to do with CHDK.

Update : found it =>  http://trace.adityalesmana.com/2011/06/find-canon-g10-actual-actuation-or-shutter-count/   and here => http://forums.dpreview.com/forums/thread/2995801
Looks like you get that info on the 3rd screen when using the ver.req trick to determine firmware version.  Should probably work for other cams that support that.
« Last Edit: 26 / December / 2012, 22:27:48 by waterwingz »
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Offline lapser

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Re: How to find shutter count on S100
« Reply #5 on: 26 / December / 2012, 23:22:17 »
Quote from: waterwingz on 26 / December / 2012, 22:22:05
Quote from: lapser on 26 / December / 2012, 21:41:59
Do you mean the total number of pictures the camera has taken since it was manufactured, kind of like the mileage on a car?
Looks like you get that info on the 3rd screen when using the ver.req trick to determine firmware version.  Should probably work for other cams that support that.
That's great. Unfortunately, none of the 3 screens I get with the SX260 has that information. I've taken so many pictures testing my timelapse routines, maybe the number was too big to display :)

Incidentally, the 1.2 full download for the sx260 100b has the file "vers.req"  This file doesn't work, and has to be changed to "ver.req".

My G1X doesn't respond to any keys with ver.req, so you can't see the screens. Did anyone figure out how to do this?

I can't get version.req to work at all on the G1X
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Offline RBurk10

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Re: How to find shutter count on S100
« Reply #6 on: 27 / December / 2012, 00:12:05 »
Thanks for the responses.  Yes, I am looking for the total pictures taken on the camera.  Most canon point and shoot cameras you can use either... "vers.req" or "ver.req" method to determine total camera shots taken but that does not work for my s100.
I was curious if that information might be determined within CHDK.
Thanks
Randy

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Offline msl

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Re: How to find shutter count on S100
« Reply #7 on: 27 / December / 2012, 03:39:12 »
It seems, for newer cams only works ver.req.

msl
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Offline waterwingz

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Re: How to find shutter count on S100
« Reply #8 on: 27 / December / 2012, 08:33:24 »
Quote from: RBurk10 on 27 / December / 2012, 00:12:05
I was curious if that information might be determined within CHDK.
Its should technically possible to track down there memory address where the "shutter count" is stored in the camera's non-volitile memory.    And once you know the memory address,  the value could be printed by a simple Lua script.

However,  it could be quite a bit of work to find that value's address so it will take someone with the correct skills, time and interest to do so.
« Last Edit: 27 / December / 2012, 08:36:52 by waterwingz »
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Offline srsa_4c

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Re: How to find shutter count on S100
« Reply #9 on: 27 / December / 2012, 10:38:41 »
@RBurk10
If I'm not mistaken, the value that the camera would display after "total shoot" is param nr 1 (i.e. not the first, the second).
To display it, locate "debug data display" in the CHDK menu, set it to "params", and set "paramsdata page" below to 0. After exiting the menu, you'll find the value in the second row, after "1:".
It's worth to note that this value can get cleared during repair in a Canon service center.

And a fun fact:
The extended camera information which used to appear on older cameras would still be available via an event procedure, but Canon decided to disable it. For this reason the following Lua script (only available on a build with native calls enabled) only prints basic information into Firminfo.txt on the card:
Code: (Lua) [Select]
call_event_proc("UI.Create")
call_event_proc("UIFS_WriteFirmInfoToFile",0)
« Last Edit: 27 / December / 2012, 10:46:41 by srsa_4c »
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