IXUS 255 IS/ELPH 330 IS porting thread - page 6 - DryOS Development - CHDK Forum  
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IXUS 255 IS/ELPH 330 IS porting thread

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Offline sandreas

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Re: IXUS 255 IS/ELPH 330 IS porting thread
« Reply #50 on: 10 / April / 2014, 15:29:35 »
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Tested the 100f Firmware and it worked, thank you very much. Now, after repairing a battery-bug, the canon service upgraded to 100h.

Is there any possibility to downgrade the firmware back to 100f without the risk of damaging the device?
Or is there a release of chdk for 100h in sight?
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Offline srsa_4c

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Re: IXUS 255 IS/ELPH 330 IS porting thread
« Reply #51 on: 10 / April / 2014, 17:09:17 »
Quote from: sandreas on 10 / April / 2014, 15:29:35
Or is there a release of chdk for 100h in sight?
As noted previously, CHDK for 100f should work on 100h firmware cameras:

Quote from: nafraf on 05 / March / 2014, 23:23:29
Quote from: airpain on 05 / March / 2014, 22:28:43
That was fast porting.  I assume this won't work on the h version of the firmware?
There are no address differences in stubs_entry.S; so 100h and 100f probably are CHDK compatible.
Quote from: airpain on 06 / March / 2014, 18:48:00
stick worked wonderfully!  Thanks!  Confirmed that chdk loads with 100h.
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Offline mpetroff

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Re: IXUS 255 IS/ELPH 330 IS porting thread
« Reply #52 on: 15 / April / 2014, 19:31:31 »
Quote from: airpain on 09 / April / 2014, 23:17:27
Tested the raw functions with the latest build.  Still no luck, scrambled pink stuff.  I'm not sure the raw was part of the fix?  I'm guessing not?

Unfortunately, I haven't been able to find any differences in firmware version 100h that would explain why the DNG functionality isn't working properly. It works perfectly for me on version 100f.
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Offline reyalp

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Re: IXUS 255 IS/ELPH 330 IS porting thread
« Reply #53 on: 15 / April / 2014, 22:25:33 »
Quote from: mpetroff on 15 / April / 2014, 19:31:31
Unfortunately, I haven't been able to find any differences in firmware version 100h that would explain why the DNG functionality isn't working properly. It works perfectly for me on version 100f.
It might depend on canon firmware settings too. Many recent cameras will not correctly capture raw in Auto mode. High ISO, Low light or high speed modes may also have problems.
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Don't forget what the H stands for.
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Offline nafraf

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Re: IXUS 255 IS/ELPH 330 IS porting thread
« Reply #54 on: 25 / April / 2014, 22:36:01 »
@mpetroff
Code: [Select]
KNOWN BUGS
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Zoom lever doesn't work when zoom has been set to something other than 0 with
set_zoom. Use set_zoom(0) to allow it to work again.To solve zoom lever bug, maybe this helps: Can't adjust zoom after set_zoom()
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