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Latest Camera Model?

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Offline @rt

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Latest Camera Model?
« on: 14 / July / 2013, 10:13:32 »
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Hi Guys,
I was here years ago, and no longer have my S2IS, and need a new camera.
I assume the Wiki with CHDK supported models still exists, but I don't expect it would answer my question.

My main one, what is the latest supported camera where you are able to see pixel values from it's processor,
draw pixels and text to screen, and programaticcaly draw pixels over the viewport, and receive input from the
D-pad, and other buttons?

Are there any significant differences in models that allow all that (with newly compiled CHDK in C),
where one has much larger screen size or CPU performance over the other (where they are both newer models)?

There would be posting history for me here where I did a game controlled by a laser pointer.
I want a level of functionality so that could happen on my new camera (and also button input as well).
Thanks, Art


« Last Edit: 14 / July / 2013, 10:16:46 by @rt »
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Offline waterwingz

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Re: Latest Camera Model?
« Reply #1 on: 14 / July / 2013, 11:20:54 »
Quote from: @rt on 14 / July / 2013, 10:13:32
My main one, what is the latest supported camera where you are able to see pixel values from it's processor, draw pixels and text to screen, and programaticcaly draw pixels over the viewport, and receive input from the D-pad, and other buttons?
Generally speaking,  if a function is supported on one camera, its available on all of them.  The only exception I know of is the "curves" function - which only works on really old cameras with 10-bit sensors.   Of the functions you listed needing,  I think only the "see pixel values from it's processor" will need some more definition of what that means if you want to program in Lua rather than hack the CHDK C code.

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Are there any significant differences in models that allow all that (with newly compiled CHDK in C), where one has much larger screen size or CPU performance over the other (where they are both newer models)?
You'll have to study the Canon specs and pick a camera that best suits your budget and needs.  Check the wiki list to see that its supported and especially check the porting thread here!  There are a couple of new models that are compiled differently and will never work with the current CHDK framework as it is.

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There would be posting history for me here where I did a game controlled by a laser pointer.
http://chdk.setepontos.com/index.php?topic=3834

BTW,  you also posted about sunrise & sunset.  With the recent addition of cordic math to Lua,  this gets a lot easier :
http://chdk.setepontos.com/index.php?topic=9131.0
I think msl posted a script (might have been from rudi) that uses this for a calendar type function on the LCD.
Update : found it -  http://chdk.wikia.com/wiki/Sunrise_and_Sunset_Time_Calculation_Script
« Last Edit: 14 / July / 2013, 12:05:01 by waterwingz »
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Offline @rt

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Re: Latest Camera Model?
« Reply #2 on: 14 / July / 2013, 20:07:52 »
Thanks for the reply :)
Lol,, that was also my first app for iPhone.

That's what I mean by being able to see the pixels..
being able to scan the frame the camera can see, and tell (for example),
which pixels are the brightest.

Don't see any reason to touch LUA if you can recompile the C source.
At the time I was just replacing one of the games with my own code,
or the menu or something...
« Last Edit: 14 / July / 2013, 21:42:33 by @rt »
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Offline @rt

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Re: Latest Camera Model?
« Reply #3 on: 15 / August / 2013, 21:36:59 »
Hi again :)

I saw a very nice second hand SX1 IS for sale locally. It looks taken care of, and the owner has kept it's box.

I read in the wiki that it does not support the firmware update trick to run CHDK.

Does this mean there is no way to get it to auto boot CHDK from an SD card?
If not, what do you have to do to run your own programs?
Cheers, Brek.
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Offline reyalp

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Re: Latest Camera Model?
« Reply #4 on: 15 / August / 2013, 21:46:30 »
Quote from: @rt on 15 / August / 2013, 21:36:59
Does this mean there is no way to get it to auto boot CHDK from an SD card?
No, autoboot works, manual loading does not.

This means you can't make the card bootable the first time by loading manually and setting bootable from chdk, you have to do it in a PC.
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Offline waterwingz

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Re: Latest Camera Model?
« Reply #5 on: 15 / August / 2013, 23:32:15 »
Hmm ... this would be three seemingly separate and random posts about the same five year obsolete camera on one day.

The mind boggles.

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Offline @rt

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Re: Latest Camera Model?
« Reply #6 on: 21 / August / 2013, 02:21:39 »

I'm only responsible for this one.
It's at a second hand shop close to me,
and I think at the time I was using CHDK, it was the latest model camera properly supported.
(but I might be wrong there).

Quote from: waterwingz on 15 / August / 2013, 23:32:15
Hmm ... this would be three seemingly separate and random posts about the same five year obsolete camera on one day.

The mind boggles.
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