S90 Porting Thread - page 40 - DryOS Development - CHDK Forum
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S90 Porting Thread

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Offline reyalp

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Re: S90 Porting Thread
« Reply #390 on: 08 / September / 2010, 23:12:39 »
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Quote from: Hollywood on 08 / September / 2010, 22:47:22
Quick question, will any of the ports of the S90 work with the new S95 since I've read the only difference is the HD video and a few extra scene selection modes and the HS.
No, absolutely not. Every model needs a new port.
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Offline Hollywood

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Re: S90 Porting Thread
« Reply #391 on: 09 / September / 2010, 00:20:47 »
Quote from: reyalp on 08 / September / 2010, 23:12:39
Quote from: Hollywood on 08 / September / 2010, 22:47:22
Quick question, will any of the ports of the S90 work with the new S95 since I've read the only difference is the HD video and a few extra scene selection modes and the HS.
No, absolutely not. Every model needs a new port.

Ahhh.....what a bummer!  Okay thanks for the quick response.
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Offline jblc

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Re: S90 Porting Thread
« Reply #392 on: 13 / September / 2010, 04:24:04 »
An option that I would love to see more than any other in chdk!: turn the camera on immediately when pressing the power button--and not go to Play mode!
  I've missed so many shots because the camera went to play mode after the power-button press delay, and then I think I didn't press power and I push it again only to turn it off, then have to wait again before it accepts an ON commands...etc.  It's a nightmare and I wonder why the CHDK standard is to go to play mode: I can go to Play directly if I want to by pressing the Play button.  I don't need chdk for that.

  I know this option is possible, because the early beta versions for the S90 had a "bug" where the camera would go directly to Shoot mode, and that was changed later on.  Please bring back this operation mode, it was great!:D
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Offline whim

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Re: S90 Porting Thread
« Reply #393 on: 13 / September / 2010, 07:53:38 »
@jblc

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...It's a nightmare and I wonder why the CHDK standard is to go to play mode...

if your interested in a discussion about this, see here: http://chdk.setepontos.com/index.php/topic,3994.msg42107.html#msg42107

A patch as discussed there appears possible for S90 (from a quick peek at the trunk938 source)

For the moment, to boot straight to shooting mode, press and hold try pressing and holding down ON/OFF until you see the CHDK logo appear or hear the lense extend (~ 1 sec on my ixus 870is)

HTH,

wim

[edit: formulated more carefully - can't be sure if long press works on S90 ]

[edit2: added patch suggestion (untested, of course !) ]

To patch the boot behaviour, the following line needs to be changed in trunk938 from
Quote
*(int*)(0x254C)= (*(int*)0xC0220128)&1 ? 0x2000000 : 0x1000000; // replacement  for correct power-on.
to:
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*(int*)(0x254C)= (*(int*)0xC0220128)&1 ? 0x1000000 : 0x2000000; // replacement  for correct power-on.
the code is identical for all 3 firmware revisions, locations are as follows:

in platform/s90/sub/100c/boot.c  ->  line 134
in platform/s90/sub/101a/boot.c  ->  line 143
in platform/s90/sub/101c/boot.c  ->  line 131
« Last Edit: 13 / September / 2010, 11:05:57 by whim »
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Offline alanjohn

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Re: S90 Porting Thread
« Reply #394 on: 13 / October / 2010, 01:44:59 »
hi, i'm new user, i ve a question : what's about Aperture and Speed in S90 with CHDK ?
does it have fully steps ? and Aperture limited at f/16 ?
i'm confuse between LX3 and S90 (chdk), LX3 has only F/8, not enough for my demand, i want to shot at low light, f/16 so great...
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Offline MauricioRPP

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Re: S90 Porting Thread
« Reply #395 on: 04 / June / 2011, 01:31:35 »
f/16 in low-light? this makes no sense to me. in low-light you woul use the highest F number available. that is f2 on S90 (don't know about LX3).

anyway, S90 hass full manual controls. I don't know what are the hardware limits, but in some tests I guess they are better than firmware imposed limits (shooting at 1/4000s or f11 seems to work, but I'm unable to cientifically prove that. it looks like the photos are different from 1/1600s of f8 on the same conditions).
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Offline zcream

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Re: S90 Porting Thread
« Reply #396 on: 04 / October / 2013, 05:10:15 »
I am resurrecting this thread, as SDM allows for excellent 3d sync.
Just wondering if anyone has tried to capture the RAW buffer to the SDHC card - on any CHDK camera ? If we can get some capture on the S90 with SDHC - say a window of 720P RAW, we can get 1080p on the S95 and newer CCD cameras using the supported SDXC cards.
My interest in the S90, is in its CCD sensor.
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Offline waterwingz

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Re: S90 Porting Thread - user selectable <ALT> button
« Reply #397 on: 16 / May / 2014, 00:31:35 »
I'm looking for an S90 owner willing to test a simple CHDK patch.   Per this thread : 
link> S95, S90 alt button
a user selectable <ALT> button can be part of this port if someone is willing to test the patch.

Download links for a test build for the various S90 f/w versions :

link> s90 1.00c
link> s90 1.01a
link> s90 1.01c

TIA
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