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Adding new cameras, applying patches into trunk (with source code prepared)

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Offline kms

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #90 on: 31 / August / 2010, 20:26:45 »
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A tiny patch for the venerable A710is.

Could this be added to include/camera.h in the A710is section:

#define  CAM_REAR_CURTAIN 1

I've built with this enabled and taken photos to verify that it does
indeed change the rear curtain setting correctly.

Kim.
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Offline ultimA

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #91 on: 02 / September / 2010, 10:28:21 »
Here is a set of changes: http://drop.io/ultimaa/asset/for-chdk-931-patch

First, the short log:
- Optimizations to edge overlay
- Make edge overlay more "multitask-friendly"
- Detect a full shutter press during edge calculations too
- Wrap pano-modes in edge menu & change icons (by msl)
- Backport fixes from #928 SX20 1.02d to 1.02b
- Add experimental PTP support to SX20 1.02d (based on mweerden's PTP proposal 20/07/2010)
- Center edge overlay horizontally
- Make the overlay's horizontal area larger (+6 pixels)

And now some details:
First, the 1.02b of SX20 has received some love from me. It now has all the fixes that went in for 1.02d in #928 and its changes have been tested in the german forum. 1.02b is now also considered stable, please enable the autobuild. Second, the edge overlay has received some updates, but nothing that would change behavior. It does not fail to detect shutter presses any more, and it is also noticably faster. Also, I now only update half of the screen on every call to make it more friendly to other tasks. This effect is sometimes visible in that on a full-screen reinitialization only half of the edges are on the screen, but after 1/2 sec the other half is painted too. A complete update cycle is about unchanged since each update takes half the time now. There are some other changes too (as seen in the change list) but those are pretty self explanatory. The PTP-parts are useless without applying the PTP proposal itself, of course, which needs to be patched separately by the user (the port can be built without the PTP-proposal without changes).

« Last Edit: 02 / September / 2010, 10:35:22 by ultimA »
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Offline fe50

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #92 on: 02 / September / 2010, 17:24:26 »
@ kms - Hello & welcome, Kim !

Quote from: kms on 31 / August / 2010, 20:26:45
Could this be added to include/camera.h in the A710is section:
#define  CAM_REAR_CURTAIN 1
Done with CHDK changeset #931, thx for testing !
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Offline fe50

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #93 on: 02 / September / 2010, 17:27:28 »
Quote from: ultimA on 02 / September / 2010, 10:28:21
Here is a set of changes: http://drop.io/ultimaa/asset/for-chdk-931-patch
Done in changeset #931 - used your "short log" for SVN comment this time  :D
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Offline ewavr

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #94 on: 02 / September / 2010, 18:42:26 »
Quote from: kms on 31 / August / 2010, 20:26:45
A tiny patch for the venerable A710is.
#define  CAM_REAR_CURTAIN 1

But why, A710 has native rear curtain support.
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Offline kms

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #95 on: 02 / September / 2010, 20:36:37 »
Quote from: ewavr on 02 / September / 2010, 18:42:26
But why, A710 has native rear curtain support.

Indeed. The patch is not required (though it is harmless, just adds an extra chdk config item).
Good to know the underlying chdk machinery for this works, though :)

The problem was I misunderstood the comment in camera.h:
    #undef  CAM_REAR_CURTAIN                // Camera do not have front/rear curtain flash sync
Too many negatives! Perhaps this could be amended to:
#undef CAM_REAR_CURTAIN  // when defined, enable front/rear curtain flash sync for cameras that dont already provide this

Kim.


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Offline ultimA

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #96 on: 04 / October / 2010, 14:00:10 »
Hi All,

Some small changes I'm proposing to trunk can be found at http://drop.io/hidden/jlqkjtgpqd29rhy/asset/cGF0Y2g5NTMtZGlmZi0y

Changelog:
- Fix: Make the A2000, G11 and ixus100_sd780 ports compatible with GCC 4.5. Apparently GCC 4.4 was too forgiving and still built the code, but GCC 4.5.1 errored out on them. This patch fixes the ASM so that these cams can be built successfully. The changes were not actually tested, but the fixes are trivial. As a result, all stable ports can be built using GCC 4.5.1 now. Credit also goes to whim who noticed these cams failing to build and he also suggested the first set of fixes.
- Shut up some (not all) warnings from ixus100_sd780, ixus40_sd300, ixus65_sd630, s5is, ixus60_sd600
- Fix: Make edge overlay respect OPT_EDGEOVERLAY. Previously, generated binary size did not get significantly smaller even when OPT_EDGEOVERLAY was undefined, because undefining it only resulted in the overlay being excluded from the menu, but still being built. Excluding edge overlay now saves appr. 3Kbytes.
- Fix: Edge overlay erroneously depended on OPT_DEBUGGING. Builds failed when OPT_DEBUGGING was not defined previously.
« Last Edit: 06 / October / 2010, 19:40:26 by ultimA »
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Offline whim

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #97 on: 04 / October / 2010, 16:13:21 »
thanks, ultimA !

In case you hadn't done this yet, I just regression-tested with GCC 4.4.0 and patched 953 still produces
exactly the same errors as the unpatched 953  :)

cheers,

wim
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Offline ultimA

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #98 on: 04 / October / 2010, 16:24:29 »
Quote from: whim on 04 / October / 2010, 16:13:21
In case you hadn't done this yet, I just regression-tested with GCC 4.4.0 and patched 953 still produces
exactly the same errors as the unpatched 953  :)

Errors? Didn't 4.4.0 only had warnings, but no errors? I've tested the patch on all cameras by doing a 'make batch-zip' and all build fine on 4.5.1. I only have one compiler set up at the moment and I did not do regression testing using the old GCC. Do you mean that it is now 4.4.0 that cannot compile?
« Last Edit: 04 / October / 2010, 16:27:08 by ultimA »
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Offline whim

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #99 on: 04 / October / 2010, 16:36:13 »
Oops, sorry - warnings, not errors for ixus100_sd780 ...
It has exactly the same warnings as before - mostly related to blinking and debugging
code corpses lying about

sorry for the scare ;)

wim
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