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SX260 HS Porting Thread

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Offline mike.shawhan

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Re: SX260 HS Porting Thread
« Reply #10 on: 01 / April / 2012, 22:32:59 »
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I am new to the world of CHDK and having settled on either the SX260 or SX230 for my new camera to buy soon, I was curious what the usual time frame is for getting the CHDK in place, so to speak. I would love to use the newer camera on my upcoming summer vacation, but I will purchase the SX230 if you guys think that the new firmware might not be cracked.

I would love to help the process in anyway I can, however I only have very very basic programming knowledge.

Thanks,
Mike
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Offline waterwingz

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Re: SX260 HS Porting Thread
« Reply #11 on: 01 / April / 2012, 22:53:43 »
Quote from: mike.shawhan on 01 / April / 2012, 22:32:59
I am new to the world of CHDK and having settled on either the SX260 or SX230 for my new camera to buy soon, I was curious what the usual time frame is for getting the CHDK in place, so to speak. I would love to use the newer camera on my upcoming summer vacation, but I will purchase the SX230 if you guys think that the new firmware might not be cracked.

I would love to help the process in anyway I can, however I only have very very basic programming knowledge.
I think this pretty much covers it :

link> CHDK FAQ : My camera isn't ported yet

Go with the sx230.
« Last Edit: 01 / April / 2012, 22:59:59 by waterwingz »
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Offline mike.shawhan

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Re: SX260 HS Porting Thread
« Reply #12 on: 02 / April / 2012, 21:47:01 »
Quote

Go with the sx230.


Thanks for:
1. the link
2. being nice about it even though I was a dope and didn't seek out the FAQ before posting
3. all the work that likely you and others do to help out sclubs like me
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Offline waterwingz

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Re: SX260 HS Porting Thread
« Reply #13 on: 02 / April / 2012, 21:50:27 »
Quote from: mike.shawhan on 02 / April / 2012, 21:47:01
Thanks for:
1. the link
2. being nice about it even though I was a dope and didn't seek out the FAQ before posting
3. all the work that likely you and others do to help out sclubs like me
Not at all.  They were fair questions and ones that come up a lot.  Navigating CHDK documentation is not for the faint of heart I'm afraid.  I actually thought some more about  my suggestion to go with the sx230 - its free advice so take it for what you paid for it.   In the end, its up to you - the sx260 will most likely get ported some day.  Just a question of you getting luckly with your timing.
« Last Edit: 02 / April / 2012, 21:52:49 by waterwingz »
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Offline asm1989

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Re: SX260 HS Porting Thread
« Reply #14 on: 04 / April / 2012, 03:27:25 »
Hi schapman, with an sx260 now, I will help with the port

I ported the sx210 so may have some similarities, how far did you get?

@waterwingz or any other guru
is there a new CanonFW_DryOS_A-Series.sig  for IDA ?
and what is the latest chdk.idc and others finders for this new cams?

Thanks
« Last Edit: 04 / April / 2012, 06:07:34 by asm1989 »
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Offline asm1989

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Re: SX260 HS Porting Thread
« Reply #15 on: 04 / April / 2012, 05:53:32 »
FI2KEY is @ FFFF3CE0  , and is the same as Sx40  like other  "d4c"

and FI2IV is @FF657B44

And dancing bits { 6,3,1,0,5,7,2,4 } , located @ 0xFF5AAB0C

« Last Edit: 04 / April / 2012, 08:04:57 by asm1989 »
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Offline asm1989

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Re: SX260 HS Porting Thread
« Reply #16 on: 04 / April / 2012, 09:39:24 »
platform\sx260hs\sub\100b\makefile.inc

-> Only the changes found:

PLATFORMID=12868

ifdef OPT_CHDK_IN_EXMEM
MEMISOSTART=0x4F8E67E0 
else
MEMISOSTART=0x193A24    #asm1989 Found at FF000170
endif

MAXRAMADDR=0x4FFFFFFF    #asm1989 Found at FF07B064 0x50000000 -1
EXMEM_BUFFER_SIZE=0xA0000 
EXMEM_HEAP_SKIP=0x679800  # asm1989 0x50000000 - 0x4F986800  @FF07B064 - @FF07B068

NEED_ENCODED_DISKBOOT=8    #asm1989  @ 0xFF5AAB0C
KEYSYS=d4c
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Offline asm1989

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Re: SX260 HS Porting Thread
« Reply #17 on: 04 / April / 2012, 10:14:49 »
@schapman

Did you find the LED_PR  address for \loader\sx260hs\main.c ?

Or we need to change it for handling  your three adresses?
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Offline waterwingz

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Re: SX260 HS Porting Thread
« Reply #18 on: 04 / April / 2012, 21:06:04 »
Quote from: asm1989 on 04 / April / 2012, 03:27:25
@waterwingz or any other guru
is there a new CanonFW_DryOS_A-Series.sig  for IDA ?
and what is the latest chdk.idc and others finders for this new cams?
Sorry - I'm not a IDA user.   But recent chatter on the CHDK IRC channel suggests that the various IDA script files are not going to play well with the newest DryOS and the code it moves down into RAM.  That's all I know.

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Offline reyalp

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Re: SX260 HS Porting Thread
« Reply #19 on: 04 / April / 2012, 23:23:46 »
Quote from: asm1989 on 04 / April / 2012, 03:27:25
is there a new CanonFW_DryOS_A-Series.sig  for IDA ?
and what is the latest chdk.idc and others finders for this new cams?
I don't think there is anything new for a long time. The existing ones will be quite broken with the code copied to RAM.
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