Powershot SX620 HS CHDK - page 4 - General Help and Assistance on using CHDK stable releases - CHDK Forum

Powershot SX620 HS CHDK

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Offline edw123

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  • Canon sx620 100b
Re: Powershot SX620 HS CHDK
« Reply #30 on: 14 / September / 2019, 03:49:13 »
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You'll have to be content with this:
https://chdk.fandom.com/wiki/CHDK_1.4.0_User_Manual#Enable_Fast_EV_Switch.3F
O! It is in override functions. Very nice! Thanks!

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Offline reyalp

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Re: Powershot SX620 HS CHDK
« Reply #31 on: 31 / December / 2019, 15:43:25 »
@Caefix reported that this port has issues with the zoom keys not being in the keymask.

It likely has a 2 stage zoom lever. I don't see any zoom keys defined in the source from https://chdk.setepontos.com/index.php?topic=13426.msg139691#msg139691 but I'm not sure if that's the latest.
Don't forget what the H stands for.

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Offline blackhole

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Re: Powershot SX620 HS CHDK
« Reply #32 on: 31 / December / 2019, 19:04:20 »
@Caefix reported that this port has issues with the zoom keys not being in the keymask.

It likely has a 2 stage zoom lever. I don't see any zoom keys defined in the source from https://chdk.setepontos.com/index.php?topic=13426.msg139691#msg139691 but I'm not sure if that's the latest.
Happy New Year to everyone!  :xmas
Yes this is the last source, sig_finder missed the ZOOM keys and I didn't find anyone with the camera to look at it.

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Offline reyalp

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Re: Powershot SX620 HS CHDK
« Reply #33 on: 01 / January / 2020, 16:12:40 »
Yes this is the last source, sig_finder missed the ZOOM keys and I didn't find anyone with the camera to look at it.
Understood, maybe @Caefix can do this test https://chdk.setepontos.com/index.php?topic=13355.msg142207#msg142207
physw_status is 0x0001a278

Also, should I add the current source to trunk with autobuild disabled?
Don't forget what the H stands for.

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Offline blackhole

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Re: Powershot SX620 HS CHDK
« Reply #34 on: 01 / January / 2020, 18:38:44 »
Yes this is the last source, sig_finder missed the ZOOM keys and I didn't find anyone with the camera to look at it.
Understood, maybe @Caefix can do this test https://chdk.setepontos.com/index.php?topic=13355.msg142207#msg142207
physw_status is 0x0001a278

Also, should I add the current source to trunk with autobuild disabled?
I think it could be added, if there were major issues, probably someone would have reported it already.

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Offline Caefix

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Re: Powershot SX620 HS CHDK
« Reply #35 on: 02 / January / 2020, 10:43:20 »
Yes this is the last source, sig_finder missed the ZOOM keys and I didn't find anyone with the camera to look at it.
Understood, maybe @Caefix can do this test https://chdk.setepontos.com/index.php?topic=13355.msg142207#msg142207
physw_status is 0x0001a278

:o :-X zoom keys adjust address, default step in memory browser=4, I would need 0x0001a278 /4 keystrokes to reach it. Poor cam... :(

BUGT   :)  You could do a special build with preset 0x0001a278 in mb ?

Edit: As a first approach, we could try the same offset as Sx610? (Maybe same order in keymap)
Edit2: I´ve read some keymaps. The steps are either 0x04 or 0x08. That seems the only common sense.
         Zoom keys can be ie 0x30 away. :-[
« Last Edit: 06 / January / 2020, 12:49:06 by Caefix »
All lifetime is a loan from eternity.

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Offline blackhole

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Re: Powershot SX620 HS CHDK
« Reply #36 on: 02 / January / 2020, 13:03:32 »
BUGT   :)  You could do a special build with preset 0x0001a278 in mb ?
When you load this version in your camera, you'll see something like this.

MEM: 0x1e3c1e3c
PS1: 0xffdf9
PS2: 0
PS3: 44003f4


This will display the 3 words of physw_status[].

Do not press any key.
Write down everything you see in the display. and send me those values.

Then press the ZOOM buttons one by on and note which of the 3 words show a change (each button will affect one bit). Write down the values you see when some of the buttons are pressed, send to me and this value and make a note for which button applies.
ZOOM probably has two speeds on that camera.
For example:
"When I press a ZOOM_IN low speed, PS3: 0x44003f4 was changed to PS3: 0x44001f4."
The values you will see will surely be different.

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Offline Caefix

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Re: Powershot SX620 HS CHDK
« Reply #37 on: 02 / January / 2020, 13:50:49 »
 8) First anwsers.
no keys:
MEM: 0xeeeeeeee
PS1: 0x??????73
PS2: 0x705c00?d
PS3: 0x3294fefa
keys don´t work in playback.

now lens open

MEM: 0xeeeeeeee
PS1: 0x??????73 // same 7 ??
PS2: 0x7#dd0??d // the 7 is unstable
PS3: 0x3294fefa

left out: unst. 7 --> unstable 3 
right out 7 stable.
# could be related to zoomposition.

PS3:
"up" -> defa
"down" -> 7efa
"left" -> eefa
"right"-> befa
"set"  -> f6fa
"menu" -> 7cfa
"video"-> fafa
"play" -> fe7a
"shoot/2" fe72
"shoot"-> fee2
"wifi" ?

btw. @srsa updated memory browser in #5376  :-*
« Last Edit: 02 / January / 2020, 15:12:15 by Caefix »
All lifetime is a loan from eternity.

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Offline blackhole

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    • Planetary astrophotography
Re: Powershot SX620 HS CHDK
« Reply #38 on: 02 / January / 2020, 14:50:16 »
The word PS3 doesn't change if you move the zoom lever?
You can try this build, but it's a pure speculation for the zoom keys.

EDIT: test build removed
« Last Edit: 02 / January / 2020, 15:36:03 by blackhole »

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Offline Caefix

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Re: Powershot SX620 HS CHDK
« Reply #39 on: 02 / January / 2020, 15:12:48 »
 :( Can´t change to alt.
Looks, like only zoomkeys are working, have I missed the joke?  :haha
« Last Edit: 02 / January / 2020, 15:32:13 by Caefix »
All lifetime is a loan from eternity.

 

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