HDK firmware hack discussion (4)

Started Apr 19, 2007 | Discussions
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Skeris Junior Member • Posts: 25
Re: HDK firmware hack discussion (4)

oops, I just re-read the HDK docs and realized that shutting OFF Raw is possible by pressing FUNC button while in ALT mode--so that explains why I was able to shoot Jpegs instead of RAW. Nice feature.

Then I looked closer at the S3 camera settings and after shutting OFF Auto-Review, I was then able to achieve 2.7 frames per second to my SD card. (I also dialed down the HDK interval into -500, but I got a feeling
anything less than zero is still zero.

I can't thank you enough for this software...

Skeris Junior Member • Posts: 25
Re: HDK firmware hack discussion (4)

Then I looked closer at the S3 camera settings and after shutting
OFF Auto-Review, I was then able to achieve 2.7 frames per second
to my SD card.

Me=Knucklehead:

what I mean't was that I could record approx. 22 frames per minute, or 2.7 seconds per frame (my test was over a three minute timespan onto a high speed Patriot 133x SD card)

harvester OP Contributing Member • Posts: 693
Re: HDK firmware hack discussion (4)

Infernoken wrote:

Tested again, now with build test1-pre12-a630-100c.zip from
20-Apr-2007 06:08 and same issue...

The histogram in playback mode is not working...
After a little investigation, it seems to display the latest
histogram from when it was in capturing mode.
Switching pictures, zooming in/out in playback mode changes
nothing, the histogram remains the same...

My camera: A630 Firmware Ver. 1.0.0.0

IDK, it works fine for me with my A610(e). It sounds like the A630 version might have a bug there.

nathan21 New Member • Posts: 1
Re: HDK firmware hack discussion (4)

Same firmware, same camera, same issue. At least you figured what histogram was being displayed, I couldn't make sense of it.

owenjm Regular Member • Posts: 110
Re: HDK firmware hack discussion (4)

harvester wrote:

Infernoken wrote:

1. When in playback mode, if you push the shutter button, you get a
kind of scrambled histogram... (Perhaps since the sensor is not
capturing any data?)
I suppose this is a bug and the histogram should be disabled in
playback mode, or a correct histogram should be displayed?

The histogram works just fine in playback mode for me... and so is
the "zebra" mode. You can even zoom into the picture, and the
histogram/zebra adapts accordingly.

No, it's a bug with the A630/640 versions of the hack - I don't get a sensible histo in playback/review mode either. Doesn't worry me too much, considering we've got a live histo preview anyway, but it'd be nice if it was fixed

rlx
rlx Regular Member • Posts: 268
Distance number

Hi,

This is for people who compile the 'chdk' themselves.

I find that the following formula gives a closer approximation to
the measured subject distance than the distance number returned by
Canon for my A620.

D = (f - 65) + (f/a1) si*s/(si - s)

s Distance number returned by Canon (the number displayed in
window OSD/misc).
si Value of 's' at infinity.
D Measured distance in mm.
f Focal length in mm.
65 A number needed to make the formula work at the shortest
distance in macro mode.
a1 A number close to f. Setting a1 = f would probably work fine.

Here are the numbers that work for my A620 for all 9 focal lengths.

a1[9] = {7.091,8.573,9.376,11.02, 12.73, 15.72, 18.03, 22.71, 30.34};
si[9] = {1400,1650,1943,3345,4500,7500,10500,9900,17500};
f[9] = {7.300,8.460,9.565,10.835,12.565,14.926,17.342,21.709,29.200};

I did some distance calibration work during the last weeks, and I
accidentally discovered that formula as I was studying a model
of the lens focusing mechanism.

I have installed this formula in my camera and the results are consistent
with the measurements I made. The distance values returned are still
approximate though.

Richard

harvester OP Contributing Member • Posts: 693
Zebra mode

GrAnd, I tested the Zebra mode some time, and I find it really awesome. It's also very nice that the normal OSD is shown from time to time when the Zebra mode is set to blink. Still it would be nice if I had more control about when the Zebra is shown, and when it is not.
Here is an idea:

Is it possible to get the state of other keys when the shutter button is half pressed? If yes, it could be like this:
1. half press and hold [shutter] button: Show normal OSD+histogram

2. half press and hold [shutter] AND half press and hold another button at the same time: Show Zebra mode, hide normal OSD

I got the idea because you can press certain buttons (i.e. "down") when the shutter button is pressed. But most other buttons seem to be unused in this mode.

harvester OP Contributing Member • Posts: 693
Re: Zebra mode (correction)

Correction - Sorry, I wanted to say this:

2. half press and hold [shutter] AND press and hold another button at the same time: Show Zebra mode, hide normal OSD

(Of course you can't "half press" any other button than the shutter button)

harvester OP Contributing Member • Posts: 693
remote shooting

harvester wrote:

Ben Roubin wrote:

My question: Will these hacks enable the remote shooting function
on the A630 that Canon so inexplicably left off?

Regarding the A610, I've read once that this is not a limitation of
the camera firmware, but a limitation of the Canon software on your
computer. Someone said that he could use an old version of the
Canon remote shooting software (I think it was for an S series cam)
just fine with the A610. It may be the same for the A630.

I found the message again.

http://groups.google.com/group/de.alt.rec.digitalfotografie/browse_thread/thread/8dc0b09741c56a35/c60f4623d75189a6?lnk=gst&q=g5+a610+remote&rnum=1&hl=de#c60f4623d75189a6

He said that remote shooting worked fine with his A610, but he did not know exactly why. He thinks that maybe it is because he still has the software from his old G5 installed on his PC (which maybe is not aware that the A610 should be not allowed to use remote shooting).

GrAnd Regular Member • Posts: 325
Re: Zebra mode (correction)

harvester wrote:

2. half press and hold [shutter] AND press and hold another button
at the same time: Show Zebra mode, hide normal OSD

I can implement a quick toggle of Zebra visibility by pressing, for example, [half shoot] + [left]. Is it suitable for you?

Frank43 Senior Member • Posts: 1,912
Some suggestions - a bug

A great patch that works very well. Thanks.

What I like best is the battery meter, the focus distance and of course the availability of RAW with an easy on/off.

I have found a bug: On the S3 the on/off light goes off after shooting RAW.

I have some suggestions:

  • In shooting mode on the S3, the Shortcut button ends-up with two functions and this leads to several undesirable behavior. Yes, pressing the Flash button with the Shortcut button avoids 'part' of the problem. I would suggest that the only way to activate the mode while shooting be with the pressing of BOTH Flash and Shortcut. This way pressing the shortcut alone would keep its standard behavior.

  • I mentioned 'part' of the problem because there is a related unavoidable problem. Even after a 'clean' press of Flash and Shortcut, pressing the Function button to toggle RAW, actually activates the standard Shortcut function which was not intended.

  • Can the RAW numbering match (or follow) the JPG numbering so that one can locate the raw file without having to convert all of them?

  • Could the EXIF information be included in the RAW file?

  • I often end-up activating the default script by mistake. This results in a long delay (2 RAW shoots, that are identical if you are in P mode). It would be better if the default script did just a single shoot. I will attempt to replace the default script but I think this should be the initial behavior.

  • A useful script would be to just shoot one image as RAW and return to a no RAW behavior. I wonder if this is possible.

Frank

harvester OP Contributing Member • Posts: 693
Re: Zebra mode (correction)

GrAnd wrote:

harvester wrote:

2. half press and hold [shutter] AND press and hold another button
at the same time: Show Zebra mode, hide normal OSD

I can implement a quick toggle of Zebra visibility by pressing, for
example, [half shoot] + [left]. Is it suitable for you?

Yes, that would be great! Or maybe [half shoot] + [up]? I think it's also unused, and it would be a little bit more convenient to reach with the thumb.
Thank you very much!

harvester OP Contributing Member • Posts: 693
Re: Zebra mode (addition)

Or is the [up] button used on the S3, and it would cause confusion between A-Series and S3?
Of course [half shoot] + [left] also would be very good!

GrAnd Regular Member • Posts: 325
Re: Zebra mode (correction)

harvester wrote:

Yes, that would be great! Or maybe [half shoot] + [up]? I think
it's also unused, and it would be a little bit more convenient to
reach with the thumb.

[up] is used as shortcut to change flash mode. And flash mode can be changed accidentally if [half shoot] is temporarely released.

harvester OP Contributing Member • Posts: 693
Re: Zebra mode (correction)

Oh, you're right. It may be real inconvenient in some situations if the flash is accidentally fired.

GrAnd Regular Member • Posts: 325
Shortcuts

harvester wrote:

Oh, you're right. It may be real inconvenient in some situations if
the flash is accidentally fired.

But, on the other hand, I've scpecially tried to do this and I failed. And it is difficult to miss the animated sign if flash mode is changed.
So, I changed my previous decision and finally made 3 shortcuts:
[half shoot] + [left] - toggle of Zebra
[half shoot] + [up] - toggle of Histogram
[half shoot] + [right] - toggle of OSD

harvester OP Contributing Member • Posts: 693
Re: Shortcuts

Thank you very much for the latest release. It's fantastic!

Siderik Regular Member • Posts: 114
Re: Shortcuts

I just tried to upload in the root directory of my S3 the file "ver.req" according to the instructions, but windows explorer restricts to paste the copied file. It looks like it is a "read only" drive although my sd card is unlocked!!!

Why does this happen?

regards...

ursamajorRO
ursamajorRO Regular Member • Posts: 267
Re: Shortcuts

You need a card reader-writter. You cannot use Windows explorer to put the files onto your card.

Indeed, the last release is very good. I wait a final one. GrAnd, when anticipate you that a final release will be available? Or, maybe you can make a base structure of the firmware-hack and put the future features like add-ons...

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GrAnd Regular Member • Posts: 325
Re: Shortcuts

Siderik wrote:

Why does this happen?

You need a card reader in order to copy files to the root folder of your SD-card. This restriction by Canon.

Regards,
GrAnd.

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