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SX170 porting

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Offline Garden

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SX170 porting
« on: 23 / January / 2014, 16:09:27 »
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Has anybody started to port CHDK for Cannon Powershopt SX170 IS?
Thanks
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Offline waterwingz

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Re: SX170 porting
« Reply #1 on: 23 / January / 2014, 16:28:12 »
Good news / bad news.   The good news is that its a DIGIC4 camera so can be ported to the existing CHDK  platform.   Bad news is that nobody has started.

link> CHDK FAQ : My camera isn't ported yet
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline janeoyuri

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Re: SX170 porting
« Reply #2 on: 23 / June / 2014, 23:14:32 »
Hello ... I have decided to start port for sx170is, I know basic programming c + +, do not know how I'm late, but I am recently starting to IDAPRO tools would support development as this is the only one left in the SXxxxIS series I have this time, if alguie have something I can use or any remarks please let me know. wish me luck.  :D  :-X
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Offline aarmot

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Re: SX170 porting
« Reply #3 on: 01 / July / 2014, 16:29:09 »
Finally got my SX170IS. Yay!  :) But firmware dump is different than previously posted 101a one. My PRIMARY.BIN: http://goo.gl/yxH01p
While comparing to alvm fw these strings are common (at identical file offsets):
Quote
  796dc Sep 13 2013
  796e8 12:50:47
  796f4 Firmware Version 1.01
  79710 Firmware Ver GM1.01A
...
 7d0000 Ver.009.004
 7d0170 Canon PowerShot SX170 IS
But differences start at decimal offset 7929920 and last till 8303088.
Hopefully they are nonimportant(?)

Have already started to port, it just takes time.
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Offline waterwingz

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Re: SX170 porting
« Reply #4 on: 01 / July / 2014, 16:40:59 »
Quote from: aarmot on 01 / July / 2014, 16:29:09
Finally got my SX170IS. Yay!  :) But firmware dump is different than previously posted 101a one. My PRIMARY.BIN: http://goo.gl/yxH01p
While comparing to alvm fw these strings are common (at identical file offsets):
Quote
  796dc Sep 13 2013
  796e8 12:50:47
  796f4 Firmware Version 1.01
  79710 Firmware Ver GM1.01A
...
 7d0000 Ver.009.004
 7d0170 Canon PowerShot SX170 IS
But differences start at decimal offset 7929920 and last till 8303088.
Hopefully they are nonimportant(?)
The stuff at the end of every firmware dump for every camera is different. It's where Canon in storing stuff  that changes in the NVRAM.
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline nafraf

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Re: SX170 porting
« Reply #5 on: 02 / July / 2014, 03:25:37 »
CHDK for sx170is 100A.
« Last Edit: 11 / September / 2014, 13:00:07 by nafraf »
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Offline aarmot

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Re: SX170 porting
« Reply #6 on: 02 / July / 2014, 11:27:50 »
Great to hear that porting is already in a way. Thanks!

Is it possible to peek into source, so I can look how much work is needed to adapt to ver 101a? I have filled sub/101a/makefile.inc and platform_camera.h to my best understanding, but lots of porting work is ahead. 100a image crashes my camera, gives blank screen on boot.
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Offline janeoyuri

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Re: SX170 porting
« Reply #7 on: 03 / July / 2014, 12:49:14 »
I am pleased that this advanced and I thought that no one had started sx170is port too and want several weeks had started, he needed to put it in the trunk does? : D
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Offline waterwingz

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Re: SX170 porting
« Reply #8 on: 03 / July / 2014, 14:22:38 »
Quote from: janeoyuri on 03 / July / 2014, 12:49:14
I am pleased that this advanced and I thought that no one had started sx170is port too and want several weeks had started, he needed to put it in the trunk does? : D
nafraf usually waits until somebody has tested his ports before placing them into the trunk & autobuild.
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline janeoyuri

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Re: SX170 porting
« Reply #9 on: 05 / July / 2014, 21:26:56 »
aarmot hello, could you please upload your update you added to check it, thank you.  :D
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