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G15 Porting thread

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Offline Erde

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Re: G15 Porting thread
« Reply #40 on: 17 / May / 2013, 06:37:10 »
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I am not Lachlan, but have exactly the same problem (actually, twice the same problem, since I purchased two G15's with 1.00e firmware versions for a project I'm working on...)

I dumped the firmware, can be downloaded here:
https://dl.dropboxusercontent.com/u/48180314/CanonG15_firmware100e.zip

I'm going to try and learn porting during weekend and next week, but since I have pretty much zero experience in these, I would be grateful for any help from other developers too. I will gladly test any new code you might provide.
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Offline waterwingz

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Re: G15 Porting thread
« Reply #41 on: 17 / May / 2013, 08:42:38 »
Quote from: Erde on 17 / May / 2013, 06:37:10
I'm going to try and learn porting during weekend and next week, but since I have pretty much zero experience in these, I would be grateful for any help from other developers too. I will gladly test any new code you might provide.
If you have some C and assembler experience,  then porting is not too hard.   Making an original port for a new camera model can be tough but simply copying a working port for a different firmware version is not that hard.  There was one port done by someone who claimed to have had no programming experience - used plain old brute force to hack his way through it.  But the result was not pretty.

Links :
http://chdk.wikia.com/wiki/For_Developers
http://chdk.wikia.com/wiki/Adding_support_of_a_new_firmware_version
http://chdk.wikia.com/wiki/CHDK-PT_:_A_tool_for_porting_CHDK_to_different_firmware_versions_of_the_same_camera

You might want to drop into the CHDK IRC channel once you get started.  Most of the names you see there are basically zombies & bots (or people simply away from their machines) but evening ( USA time ) and weekends you can usually find somebody who can help if you are patient.
« Last Edit: 17 / May / 2013, 08:46:23 by waterwingz »
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline nafraf

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Re: G15 Porting thread
« Reply #42 on: 19 / May / 2013, 20:08:32 »
Quote from: Erde on 17 / May / 2013, 06:37:10
I'm going to try and learn porting during weekend and next week, but since I have pretty much zero experience in these, I would be grateful for any help from other developers too. I will gladly test any new code you might provide.
I started a blind port for g15.100e. It is not finished, I'll try to continue during this week, if you want o check code and continue, source code is here.  Functions that have not been ported are marked as TO DO.
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Offline Erde

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Re: G15 Porting thread
« Reply #43 on: 24 / May / 2013, 03:07:56 »
That's absolutely great, nafraf! Thanks for all the efforts so far. I've taken look at your code and I think it's finally starting to make sense to me. I have some experience with C, but none at Assembler (and also just a little at photography either), so it hasn't been easy, but I hope to post some suggestions to TODO sections in coming days.

I assume that all the functionality doesn't need to be done in order to be able to test the build in camera - just to get it started (I tried booting up 1.00b version but as expected, resulted in black screen). I would especially like to get remote support to working state, so I can sync multiple cameras with a DIY remote.
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Offline nafraf

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Re: G15 Porting thread
« Reply #44 on: 24 / May / 2013, 20:02:08 »
Quote from: Erde on 24 / May / 2013, 03:07:56
That's absolutely great, nafraf! Thanks for all the efforts so far. I've taken look at your code and I think it's finally starting to make sense to me. I have some experience with C, but none at Assembler (and also just a little at photography either), so it hasn't been easy, but I hope to post some suggestions to TODO sections in coming days.
Now source code is ready for first test.  Please compiled it, test it and report.
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Offline fe50

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Re: G15 Porting thread
« Reply #45 on: 26 / May / 2013, 05:04:46 »
Quote from: fe50 on 26 / May / 2013, 05:04:04
Added the
  • G15 1.00E
full 16MB dump (dumped with cBasic udumper) by Erde from this forum post to the CHDK P&S FW dumps repository.
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Offline Erde

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Re: G15 Porting thread
« Reply #46 on: 26 / May / 2013, 09:26:53 »
Quote from: nafraf on 24 / May / 2013, 20:02:08
Now source code is ready for first test.  Please compiled it, test it and report.
I'm away from the G15s right now, but will do this as first thing tomorrow.
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Offline l0ader

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Re: G15 Porting thread
« Reply #47 on: 29 / June / 2013, 18:40:25 »
Hi there,

I'm yet another "lucky" owner of G15 @ 1.00E...

@Erde, Did you try that nafraf's port already?
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Offline philmoz

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Re: G15 Porting thread
« Reply #48 on: 29 / June / 2013, 20:07:01 »
Quote from: l0ader on 29 / June / 2013, 18:40:25
Hi there,

I'm yet another "lucky" owner of G15 @ 1.00E...

@Erde, Did you try that nafraf's port already?

Please try the attached version (created using my new code_gen tool).

Phil.
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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline zigzabus

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Re: G15 Porting thread
« Reply #49 on: 30 / June / 2013, 07:44:29 »
Quote from: philmoz on 29 / June / 2013, 20:07:01

Please try the attached version (created using my new code_gen tool).

Phil.

I tried the firmware in my G15 (with 'e' firmware) and everything I tried worked, I haven't used any other versions of CHDK so I can't say if it's working completely as expected as there are what I'd call some rough edges but the only bad thing I saw was the screen refreshes between the canon display (standard histogram, spirit-level thing etc) are overdrawing the CHDK menu while in live preview.

Thanks for the new toys on my camera!

Zig

 
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