PowerShot SX220 HS - Porting Thread - page 14 - General Discussion and Assistance - CHDK Forum

PowerShot SX220 HS - Porting Thread

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Re: PowerShot SX220 HS - Porting Thread
« Reply #130 on: 09 / June / 2011, 17:29:58 »
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when i enter to ALT i press DISP+SET but when i quit i must press SET+DISP or Raw will be disabled by pressing DISP at first.

Re: PowerShot SX220 HS - Porting Thread
« Reply #131 on: 09 / June / 2011, 17:41:18 »
could anybody upload a test video how the manual focus works in videos of Canon SX 220HS?

http://www.youtube.com/watch?v=GQ0304xe5qA#
Thanks darnex!It looks really cool.

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Offline funnel

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Re: PowerShot SX220 HS - Porting Thread
« Reply #132 on: 09 / June / 2011, 18:31:07 »
Ok, I fixed it by allocating only 256kb in exmem and not loading chdk in exmem. 256Kb is still enough to prevent the crashes when switching to play mode. Quality overrides work now.

Beta 1.1 http://www.zshare.net/download/91221690e54c21d4/

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Offline funnel

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Re: PowerShot SX220 HS - Porting Thread
« Reply #133 on: 11 / June / 2011, 11:50:29 »
Ok, here's a new build.

Fixed:
-ISO overrides (it's setting the real ISO so the numbers are a little different in exif)
-ISO bracketing
-AV bracketing (uses new function MoveIrisWithAV() like g12)
-bracketing in custom timer mode
-crash using manual focus (now fast_zoom is disabled in ALT mode). Calculation error of feather bits.
-the menu started to show small icons

Know issues:
-AV overrides not working anymore
-Edge overlay and zebra are shifted and distorted on Y axis.
-AF scan sometimes still crashes only when in manual focus mode

Needs more testing.

Binary beta2 http://www.zshare.net/download/91291198d389a3ab/



Re: PowerShot SX220 HS - Porting Thread
« Reply #134 on: 11 / June / 2011, 17:27:58 »
thanks Funnel, i am testing hard the new beta
i don't understand why sometime the bad pixel remover doesn't work (raw and jpg) when i use long exposure
also i don't understand why in the raw pictures there are some green and purlple bad pixels altought the bad pixel remover worked.
i used the option "Raw" remover option, and i created the badpixel file with the lens covered.


« Last Edit: 11 / June / 2011, 17:35:43 by onesky »

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Offline funnel

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Re: PowerShot SX220 HS - Porting Thread
« Reply #135 on: 11 / June / 2011, 17:42:52 »
Badpixel and Dark frame substraction are two different thigs. For long exposures you must turn on dark frame substraction. DFS takes place automatically in the original firmware when exposures are longer than 1.3 seconds, you see this when the "Busy" appears after the shoot.

Re: PowerShot SX220 HS - Porting Thread
« Reply #136 on: 11 / June / 2011, 18:45:29 »
thanks, i turned the DFS to "on" (it was auto) and now works, no more green pixels in raw shots.

i also noticed that if i set iso800 the picture is shot at iso800 even with overrides enbaled at lower iso (iso60)

Re: PowerShot SX220 HS - Porting Thread
« Reply #137 on: 11 / June / 2011, 19:05:32 »
After following this thread since page one or two ;-) I finally bought the camera (Firmware 101A) and installed CHDK today.

Great work, funnel, thank you loads for all the efforts you put into this port! Testing of the beta1.1 (will update tomorrow) I have a problem with the menu always being "washed away" by all-too active screen activity of the cam. Is there a way to put chdk "always on top"? This maybe a noob question, I'm sorry... This said, chdk is usable, of course, you can just move up&down in the menu to let it be displayed again long enough to know where you're at.


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Offline reyalp

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Re: PowerShot SX220 HS - Porting Thread
« Reply #138 on: 11 / June / 2011, 20:08:21 »
Great work, funnel, thank you loads for all the efforts you put into this port! Testing of the beta1.1 (will update tomorrow) I have a problem with the menu always being "washed away" by all-too active screen activity of the cam.
This is unfortunately normal for CHDK in general.
Don't forget what the H stands for.

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Offline funnel

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Re: PowerShot SX220 HS - Porting Thread
« Reply #139 on: 12 / June / 2011, 05:36:51 »
Found a bug, ISO override works only in AUTOISO mode. When in manual iso mode and shutter half pressed I see that the PROPCASE_ISO_MODE gets set to 0 but looks like this doesn't change the iso to auto mode.

@onesky
ISO is getting set ok, you probably forgot to input the factor value.

 

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