ELPH 340 (IXUS 265)

Nutter

blackhole
If you can obtain a firmware dump, I can take a look. It may not be necessary to create a new port.

That'd be great, thank you! Hopefully it will be relatively easy. Here's the dump: https://technofumbles.com/files/Canon_ELPH_340_HS_100a_PRIMARY.zip

Please let me know if you need more info.

blackhole

Nutter
That'd be great, thank you! Hopefully it will be relatively easy.

Unfortunately there are a lot of differences, it is necessary to make a new port for fw 100a.
I will do this when I have enough free time.

blackhole

@Nutter
Test build ixus265_elph340hs-100a

ixus265_elph340hs-100a-1.5.0-5588-full.zip

826.43KB

ixus265_elph340hs-100a-src.zip

52.75KB

Fidelio

whim
Here's the latest trunk build (5577) Tested to work in both firmware update and bootable SD mode.

Thank you for sharing the build! I noticed this and more recently builds are not available on http://mighty-hoernsche.de/trunk. Is that the right place to look?

Also, where can we get the PS.FIR/PS.FI2 files for this build? I am not seeing the firmware update option on my camera and I think these files are required on the root of the SD card to allow the option to be selected.

blackhole

Fidelio
I noticed this and more recently builds are not available on http://mighty-hoernsche.de/trunk. Is that the right place to look?

I will answer this part of the question.
You are right, this and many other recent builds are not in the autobuild server for a simple reason, no one wants to go through these tests and post the results to the forum.
These tests are one of the basic conditions for this or any other port to reach the autobuild server.

rkomar

I downloaded the zip file for the 100a firmware and installed it on an SD card. It boots up and I can switch to ALT mode and navigate through the CHDK menus. It's been at least 5 years since I used CHDK, so I've mostly forgotten how to use it. The battery on that camera is also in pretty bad shape, so I need to stop and recharge it fairly often (including right now). It may take me a while, but I'll try to work my way through the features in the manual to see that things function properly. I encourage anyone else with this camera to test, as well, because I may not get done for many days.
I had given up on ever seeing this camera supported by CHDK, so I'm pleasantly surprised to see a port for it. Many thanks to @blackhole for putting in the work.

Caefix

Caefix
??? FW-Update opens lens.

The last issue I know, need new PS.FI2 to confirm...

blackhole

Caefix

Caefix
??? FW-Update opens lens.

The last issue I know, need new PS.FI2 to confirm...

https://chdk.fandom.com/wiki/For_Developers/fi2offsets
For KEYSYS look in stubs_entry.S

Falken

rkomar
I downloaded the zip file for the 100a firmware and installed it on an SD card. It boots up and I can switch to ALT mode and navigate through the CHDK menus. It's been at least 5 years since I used CHDK, so I've mostly forgotten how to use it. The battery on that camera is also in pretty bad shape, so I need to stop and recharge it fairly often (including right now). It may take me a while, but I'll try to work my way through the features in the manual to see that things function properly. I encourage anyone else with this camera to test, as well, because I may not get done for many days.
I had given up on ever seeing this camera supported by CHDK, so I'm pleasantly surprised to see a port for it. Many thanks to @blackhole for putting in the work.

Here I am. I got this camera as well but found out chdk was not available. Although I'm familiar with chdk (I had it working on my older a620) I can't really get this port from this post working.
According to Stick, mine has the 100c software version.
I already tried formatting the SD card to fat32 and trying to start it with locked SD. If I try the software update way, it doesn't find the file at all (I don't have update options)

reyalp

Falken
Here I am. I got this camera as well but found out chdk was not available. Although I'm familiar with chdk (I had it working on my older a620) I can't really get this port from this post working.
According to Stick, mine has the 100c software version.
I already tried formatting the SD card to fat32 and trying to start it with locked SD. If I try the software update way, it doesn't find the file at all (I don't have update options)

A test build for 100c is posted in https://chdk.setepontos.com/d/11597/137

It does not include a PS.FI2 file, so the firmware update method is not available. You will need to make the card bootable.

Falken

reyalp

Falken
Here I am. I got this camera as well but found out chdk was not available. Although I'm familiar with chdk (I had it working on my older a620) I can't really get this port from this post working.
According to Stick, mine has the 100c software version.
I already tried formatting the SD card to fat32 and trying to start it with locked SD. If I try the software update way, it doesn't find the file at all (I don't have update options)

A test build for 100c is posted in https://chdk.setepontos.com/d/11597/137

It does not include a PS.FI2 file, so the firmware update method is not available. You will need to make the card bootable.

Thanks for your answer
I had already tried it after making my card bootable but it did not work, camera turns on normally saying SD is locked

blackhole

Falken
I had already tried it after making my card bootable but it did not work, camera turns on normally saying SD is locked

Your SD card is probably not configured correctly.
How big is your SD card and what OS are you using on your PC?

Falken

blackhole

Falken
I had already tried it after making my card bootable but it did not work, camera turns on normally saying SD is locked

Your SD card is probably not configured correctly.
How big is your SD card and what OS are you using on your PC?

I tried on a 8gb SD but I also have a 4gb and a 2gb ones I may try if size is the problem
I'm running windows 10 on my pc

Let me know, I'd really like to try it on my camera and give some feedbacks

blackhole

Falken
I tried on a 8gb SD but I also have a 4gb and a 2gb ones I may try if size is the problem
I'm running windows 10 on my pc

Let me know, I'd really like to try it on my camera and give some feedbacks

Here is a test build that includes a PS.FI2 file so you will be able to use the firmware update method to load the CHDK.
1. Format the SD card as FAT32 using the card reader and PC
2. Copy all the necessary files to the SD card
3. Insert the unlocked card into the camera and turn it on by pressing the PLAY button
4. Load the CHDK using the firmware update method
5. Go to: Miscellaneous stuff >> SD card >> Make card bootable
6. Remove the SD card from the camera, move the slider on the card to the "LOCKED" position, insert it into your camera, and power up

Read more about preparing SD card here: https://chdk.fandom.com/wiki/Prepare_your_SD_card

ixus265_elph340hs-100c-1.6.0-5707-full.zip

821.89KB

Caefix

blackhole

Caefix

Caefix
??? FW-Update opens lens.

The last issue I know, need new PS.FI2 to confirm...

😁 Now it boots fine in all modes. Last issue I knew here is history...

blackhole

Caefix
😁 Now it boots fine in all modes. Last issue I knew here is history...

There are no changes to the source code, everything is the same as before. 😉

Falken

blackhole

Falken
I tried on a 8gb SD but I also have a 4gb and a 2gb ones I may try if size is the problem
I'm running windows 10 on my pc

Let me know, I'd really like to try it on my camera and give some feedbacks

Here is a test build that includes a PS.FI2 file so you will be able to use the firmware update method to load the CHDK.
1. Format the SD card as FAT32 using the card reader and PC
2. Copy all the necessary files to the SD card
3. Insert the unlocked card into the camera and turn it on by pressing the PLAY button
4. Load the CHDK using the firmware update method
5. Go to: Miscellaneous stuff >> SD card >> Make card bootable
6. Remove the SD card from the camera, move the slider on the card to the "LOCKED" position, insert it into your camera, and power up

Read more about preparing SD card here: https://chdk.fandom.com/wiki/Prepare_your_SD_card

It works perfectly now 😁
Both firmware and bootable sd methods, but for some reason it started in turkish 😁

Thanks a lot, I'll try it in the days to come and give my feedback, wishing it will be helpful as well

blackhole

Falken

It works perfectly now 😁
Both firmware and bootable sd methods, but for some reason it started in turkish 😁

Thanks a lot, I'll try it in the days to come and give my feedback, wishing it will be helpful as well

Thanks for the report.
The CHDK is compiled by default in English. You can change the language in the CHDK menu, this has no effect on the language selected in the Canon menu.
It is necessary to go through these tests and publish the report on the forum, without that this will never become the official port and will not be available in the autobuild server.
https://chdk.fandom.com/wiki/Testing

Falken

Ok guys I started testing it some
At first I had a small issue cause the SD could not be read for some reason from the camera nor from my phone or pc.
So I started again and now chdk started in English and didn't crash anymore, for now.
By the way, I only tried basic settings for now like custom ISO and raw which are particularly useful in my case, cause this is a full-spectrum converted camera with which I shot mostly in infrared.
Also the dng files have wrong lens profiles, like I'm using some fisheye, with a noticeable distortion and black vignettes.
But I guess this is normal when taking pics in raw format, although I didn't have it with my old powershot a620.
Not much of a problem as you just crop and correct distortion in photoshop anyway.
As soon as the weather gets better ill do more tests and show you some infrared pics 😁

reyalp

Falken
Also the dng files have wrong lens profiles, like I'm using some fisheye, with a noticeable distortion and black vignettes.

Yes, it's normal. CHDK DNG do not contain lens correction information, although some software may have profiles for some cameras.

But I guess this is normal when taking pics in raw format, although I didn't have it with my old powershot a620.

The main reason is that the old cameras didn't do nearly as much (if any) software correction. That's part of why a pocket compact like the elph340 can have 12x optical zoom, where the a620 only had 4x in a much larger package.

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