CHDK Forum

Using CHDK => CHDK Releases => Topic started by: steelman on 20 / January / 2013, 17:27:36

Title: "Half shutter" key bindings in 1.1 on A810 (and others maybe too)
Post by: steelman on 20 / January / 2013, 17:27:36

Hi.

This is my first report here so I might be messing up something. I apologise.

According to the manual (http://www.canon-europe.com/Support/Consumer_Products/products/cameras/Digital_Compact/Powershot_A_series/PowerShot_A810.aspx?DLtcmuri=tcm:13-908431&page=1&type=download) (pp. 91 and 105) two (←, →) of the "Half shutter + cursor" bindings (http://chdk.wikia.com/wiki/CHDK_User_Manual#Key_Shortcuts) are used by the original firmware.

I've checked the source. I launched the following command to check what is the actual binding for SHORTCUT_DISABLE_OVERRIDES on A810 (I don't know the structure of the source tree very well yet but this seems the most logical).

Code: [Select]

(cat include/camera.h; sed -n 52,138p core/gui.c; echo SHORTCUT_DISABLE_OVERRIDES ) | cpp -I platform/a810/

I got KEY_LEFT. Which according to the manual is not appropriate for use with "Half shutter".

The effect on my A810 is that:

• the fist time I press HS+LEFT: the overrides toggle;
• the second time I do it: the AFL kicks in;
• upon the third attempt the camera crashes.

Best regards,
ŁS

Title: Re: "Half shutter" key bindings in 1.1 on A810 (and others maybe too)
Post by: reyalp on 20 / January / 2013, 22:17:19

Conflicting shortcuts is an unfortunately common problem. However, it shouldn't cause a crash. The expected behavior is that both the CHDK function and the Canon function are triggered at the same time.

I've posted a link to this in the development thread http://chdk.setepontos.com/index.php?topic=8450.75 (http://chdk.setepontos.com/index.php?topic=8450.75)

Title: Re: "Half shutter" key bindings in 1.1 on A810 (and others maybe too)
Post by: nafraf on 20 / January / 2013, 22:45:45

@stellman
Which CHDK are you using? I could not reproduce the crash using a810-100b-1.1.0-2501-full_BETA.zip.

Title: Re: "Half shutter" key bindings in 1.1 on A810 (and others maybe too)
Post by: steelman on 24 / January / 2013, 14:24:30

a810-100e-1.1.0-2495-full_BETA.zip

Title: Re: "Half shutter" key bindings in 1.1 on A810 (and others maybe too)
Post by: nafraf on 24 / January / 2013, 14:47:59

Please post the ROMLOG.LOG file, it can be saved from the CHDK menu, using "miscellaneous stuff->Debug Parameters->Save ROM crash log"