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Ixus 55 / SD450: First beta version of CHDK port available for 1.00B and 1.00C

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Offline 3DBruce

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Ixus 55 / SD450: First beta version of CHDK port available for 1.00B and 1.00C
« on: 13 / February / 2008, 16:00:17 »
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Hi all,

you can find the first beta version of the Ixus 55 / SD450 port of CHDK at the following location:

ixus55_100b.zip - 1.97MB (link updated, see below)

Please note that not everything is working yet. Especially raw-capture still leads to a shutdown of the camera. Also zebra mode is still not working correctly. Since I do not have the time to test everything (and frankly I have not used every funtion to be able to test it properly) I would like to share the current status-quo of the port so that others can use it and improve it.

Thanks to GrAnd and ewavr for helpful suggestions. I also learned a lot from the Ixus 70 port by quietschi due to the many helpful comments in your code, thanks for that as well ;-)

Let me know if you find any bugs...

Best regards
- 3DBruce
« Last Edit: 22 / February / 2008, 17:15:26 by 3DBruce »
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Offline mungler

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #1 on: 14 / February / 2008, 08:07:31 »
wow this is amazing... i just checked back here for the first time in months to see if anything had happened for the Ixus 55.  Great work!  Cant wait for RAW support ;)
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Offline 3DBruce

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #2 on: 16 / February / 2008, 12:28:34 »
Hi all,

next version for Firmware 1.00B is ready for testing:

ixus55_100b.zip - 1.97MB

(Compiled binaries can be found in /bin)

Raw shooting is working now. Zebra Mode also seems to work.

Please let me know if you find any bugs.

- 3DBruce
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Offline pitquim

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #3 on: 17 / February / 2008, 14:51:22 »
thanks! I have been waiting for months!

« Last Edit: 17 / February / 2008, 15:04:52 by pitquim »
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Offline jetzt

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #4 on: 17 / February / 2008, 15:04:41 »
Quote
(Compiled binaries can be found in /bin)

So I suppose that in *zip file*/bin there are the compiled binaries?
binary: DISKBOOT.BIN / PS.FIR

Hope that can help you.

and @3DBruce: I will use your build as starting point for my SD200 tries. Thanks a lot.(especially the tip with the start address for dumping)
« Last Edit: 17 / February / 2008, 15:29:52 by jetzt »
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Offline pitquim

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #5 on: 17 / February / 2008, 15:05:49 »
I've just found them. Sorry and thanks




I have uploaded the binaries and when I try the Firm Update the camera hungs  :-(
perhaps my firmware version is not 1.00B... but I don't know how chech this. Anyway, this version doesn't work in my Ixus 55. I'll wait a little more...
« Last Edit: 17 / February / 2008, 15:13:57 by pitquim »
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Offline 3DBruce

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #6 on: 17 / February / 2008, 15:31:22 »
Sorry to hear that. I hope it is just the wrong firmware version. If you follow this
link, you will find an easy way to find out the version number. If it is 1.00C then the chances are good that this port will follow in a few weeks because I have a second ixus with this version (having a broken display which makes porting a little bit more difficult...;-) I have dumped the firmware already, though...

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Offline 3DBruce

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #7 on: 17 / February / 2008, 15:39:49 »
@jetzt: There are also ports for the ixus70, ixus65 and ixus40 available already (look for the corresponding threads in this forum). Try to download the Primary.bin for each of them (from the Firmware dumping section of this forum) and then you can easily compare the firmware between the cameras. I did it the same way and especially the comments in the ixus70 coding were very helpful, because they contained hints where to look for in the disassembled firmware when you want to find specific adresses.

Good luck and let me know if you are stuck somewhere...

Regards
- 3DBruce
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Offline pitquim

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #8 on: 17 / February / 2008, 16:01:07 »
Quote from: 3DBruce on 17 / February / 2008, 15:31:22
If it is 1.00C then the chances are good that this port will follow in a few weeks...

yes... I have the 1.00C version, so I'll wait.
Thanks indeed for your work
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Offline jetzt

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Re: Ixus 55 / SD450 Firmware 1.00B: First beta version of CHDK port available
« Reply #9 on: 17 / February / 2008, 16:07:23 »
@3DBruce
well I'm not as fast as you're, I'm trying to, but it's very hard for me as I only did things in "higher" languages as C# so far.
(Installed IDA today. :haha and loaded my dump with A series signatures)

Quote
Good luck and let me know if you are stuck somewhere...

That's normal for me, I don't really know what I'm doing, perhaps that's better so. ::) And thanks for that offer!
And, is that "manual" kind of "out of date" (HDK/Adding support for new camera - chdk - Trac)?

« Last Edit: 17 / February / 2008, 16:20:32 by jetzt »
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