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Powershot A420 port

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Offline Gerhard34

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Re: Powershot A420 port
« Reply #10 on: 27 / December / 2011, 19:13:44 »
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Hi srsa_4c,

do you still need some testing with an A430?


/Gerhard
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A430
chdk-de: a430-100b-1.1.0-full_BETA_rev_911 + Patch
chdk-internat: a430-100b-1.0.0-full rev. 1527-120104
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Offline srsa_4c

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Re: Powershot A420 port
« Reply #11 on: 27 / December / 2011, 22:13:57 »
Quote from: Gerhard34 on 27 / December / 2011, 19:13:44
Hi srsa_4c,

do you still need some testing with an A430?


/Gerhard
Hi!

As I also follow the CHDK-DE forum (but I'm not registered there), I saw your thread http://forum.chdk-treff.de/viewtopic.php?f=3&t=2595 about the ptp upload problem. I just did some quick tests, using chdkptp (the lua-based client) on the PC.

Current CHDK-DE versions seem to exhibit the problem you describe. Tested on the A430, A410, Ixus65 (all VxWorks-based).
My test file (short text) uploaded, but the PC-client timed out and showed an error. The camera became unstable after this.

A random old version (from the end of August 2011) of CHDK-DE on the A430 seemed to work (tested only ls and upload).
With current (Dec. 22) CHDK on the same cam, upload also works.

update:
Roughly the same result with CHDK-DE and an SX100IS: upload causes the cam to switch off or freeze. No such problems with vanilla CHDK.

I guess there's some regression in the CHDK-DE codebase...
update2: the regression has been fixed in rev. 908



About your actual question here: I haven't tried to submit a patch yet, the changes are minimal, mostly typo-corrections. I'll post into the camera's porting thread when I'm ready.
« Last Edit: 28 / December / 2011, 10:21:53 by srsa_4c »
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Offline Gerhard34

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Re: Powershot A420 port
« Reply #12 on: 04 / January / 2012, 03:55:56 »
Hi,

I'd like to confirm that the upload is working now with chdk-de 908.

Yesterday I tried to compile the international chdk v.1525 for my A430. It was the first time for me to build the binaries rather than DL it (.. oooh - there where a lot of strange messages during installation, but I ended up with the code attached --> install it on the camera --> IT WORKED!!!)

Currently I'm still investigating the different behaviour of lua scripts starting from chdkptp vs. starting from the camera itself.   ANY EXPERIENCE WITH THAT ISSUE?


cu
Gerhard
 
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A430
chdk-de: a430-100b-1.1.0-full_BETA_rev_911 + Patch
chdk-internat: a430-100b-1.0.0-full rev. 1527-120104
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Offline srsa_4c

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Re: Powershot A420 port
« Reply #13 on: 04 / January / 2012, 11:55:55 »
Hi, Gerhard.

Let's continue this discussion in the A430 thread: http://chdk.setepontos.com/index.php?topic=3785.msg79308#msg79308
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Offline Torbe

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Re: Powershot A420 port
« Reply #14 on: 12 / January / 2014, 15:42:08 »
Hi.

Sorry for the necroposting, but I have an A420 that I want to use in a high altitude balloon project.
I see this port is in beta stage, so if any of the developers is still interested, I can test new versions in my camera.
I can also help with coding.

Does anyone know  which features are available, and which are not yet?

Regards,
Ariel
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Offline waterwingz

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Re: Powershot A420 port
« Reply #15 on: 12 / January / 2014, 15:55:16 »
Quote from: Torbe on 12 / January / 2014, 15:42:08
Sorry for the necroposting, but I have an A420 that I want to use in a high altitude balloon project.
I see this port is in beta stage, so if any of the developers is still interested, I can test new versions in my camera.
I can also help with coding.
Beta designation is purely arbitrary.  After a while, it usually means the original porter never got around to going back and requesting it be removed.

Quote
Does anyone know  which features are available, and which are not yet?
Unless you see otherwise in the porting thread for a camera,  once a port makes it into the CHDK autobuild and is available for general download (like the A420),  then its safe to assume that all features are available.

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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline Torbe

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Re: Powershot A420 port
« Reply #16 on: 12 / January / 2014, 16:38:02 »
Quote from: waterwingz on 12 / January / 2014, 15:55:16
Quote
Does anyone know  which features are available, and which are not yet?
Unless you see otherwise in the porting thread for a camera,  once a port makes it into the CHDK autobuild and is available for general download (like the A420),  then its safe to assume that all features are available.

Thanks for answering.

I'm having problems taking pictures in raw format:
  • I can't save raw in the dng format. The CHDK format works (well, at least it's saved. I didn't actually open the pictures because I don't have the software).
  • The option "Create badpixel.bin" doesn't seem to do anything. It takes no time and no file is created in the SD card with that name (I read that before taking raw pictures in dng format, badpixels.bin must be created).
    Even when no pictures are being saved in raw format, the counter decreases. I suppose that's because it's just a counter that decreases every time the camera is triggered, it doesn't actually check if the picture was saved, which makes sense in such a small firmware. I say it just because I think it might be useful to a developer.
  • The option "RAW File in Dir with JPEG" is ignored. That's the behaviour whether it's enabled or not.

Again, if any developer is still interested, I can collaborate. But I happen to not know anything about how this cameras work, so I can't do it on my own.

Thanks for your answer, waterwingz
« Last Edit: 12 / January / 2014, 16:40:13 by Torbe »
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Offline waterwingz

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Re: Powershot A420 port
« Reply #17 on: 12 / January / 2014, 16:54:03 »
Quote from: Torbe on 12 / January / 2014, 16:38:02
I'm having problems taking pictures in raw format: I can't save raw in the dng format. The CHDK format works (well, at least it's saved. I didn't actually open the pictures because I don't have the software).
If you post a CHDK raw on a file sharing site (like box.com) then somebody will look at it for you.

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The option "Create badpixel.bin" doesn't seem to do anything. It takes no time and no file is created in the SD card with that name (I read that before taking raw pictures in dng format, badpixels.bin must be created).
Do you get any kind of message or text box when you run this?

Also,  if you select DNG version 1.3 you don't need a badpixel.bin file.  Did you try that?

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Even when no pictures are being saved in raw format, the counter decreases. I suppose that's because it's just a counter that decreases every time the camera is triggered, it doesn't actually check if the picture was saved, which makes sense in such a small firmware.
Ahhh ... no.  The "counter" actually looks at the amount of space left on your SD card and calculates how many RAW/DNG images will fit.

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I say it just because I think it might be useful to a developer.
Good thinking - you never really know what is going to provide an important clue.

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[The option "RAW File in Dir with JPEG" is ignored. That's the behaviour whether it's enabled or not.
Could be a bug in the port - some cameras don't need that option selected though.

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Again, if any developer is still interested, I can collaborate. But I happen to not know anything about how this cameras work, so I can't do it on my own.
FWIW,  there are not a lot of active CHDK developers. You can probably count then on the fingers on one hand.
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline srsa_4c

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Re: Powershot A420 port
« Reply #18 on: 12 / January / 2014, 16:56:57 »
Quote from: Torbe on 12 / January / 2014, 16:38:02
I can't save raw in the dng format. The CHDK format works (well, at least it's saved. I didn't actually open the pictures because I don't have the software).
Make sure you copy the whole content of the distribution archive to the card. Your problems might be due to missing CHDK modules.
Just tried it myself, I have not encountered any of the above problems.
I happen to be the one who made this port btw (it was my first).
« Last Edit: 12 / January / 2014, 16:58:39 by srsa_4c »
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Offline Torbe

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Re: Powershot A420 port
« Reply #19 on: 12 / January / 2014, 17:26:15 »
Quote from: waterwingz on 12 / January / 2014, 16:54:03
Quote from: Torbe on 12 / January / 2014, 16:38:02
I'm having problems taking pictures in raw format: I can't save raw in the dng format. The CHDK format works (well, at least it's saved. I didn't actually open the pictures because I don't have the software).
If you post a CHDK raw on a file sharing site (like box.com) then somebody will look at it for you.

https://app.box.com/s/a9rbvyuvss9amvycq0wl
You have to see a blurry picture of me with a cat sleeping behind.

Quote
Quote
The option "Create badpixel.bin" doesn't seem to do anything. It takes no time and no file is created in the SD card with that name (I read that before taking raw pictures in dng format, badpixels.bin must be created).
Do you get any kind of message or text box when you run this?

Also,  if you select DNG version 1.3 you don't need a badpixel.bin file.  Did you try that?

When I select to create badpixel.bin, nothing happens.
When taking pictures in 1.3 format, raw files are not saved. Forget the decreasing counter, it was a mistake. It doesn't happen. My bad. Sorry about that.

I tried version 1.1 now. If I select version 1.1 with "Save RAW" selected, the camera freezes.
If I select version 1.1, then "Create badpixel.bin" (nothing happens) and then select "Save RAW", it says "Error. Cannot load CHDK/badpixel.bin. Use 'Create badpixel.bin' first". And the dng format option is reset to 1.3

Quote
Quote
[The option "RAW File in Dir with JPEG" is ignored. That's the behaviour whether it's enabled or not.
Could be a bug in the port - some cameras don't need that option selected though.
Maybe that option could be taken out from the menu? I don't know how difficult that is.

Quote
Quote
Again, if any developer is still interested, I can collaborate. But I happen to not know anything about how this cameras work, so I can't do it on my own.
FWIW,  there are not a lot of active CHDK developers. You can probably count then on the fingers on one hand.
[/quote]
Then, what can I do to capture the attention of one of them? :-)
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