About: PropertyCase   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Property cases (PropertyCase or PropCase) are basically variables in the camera's RAM that we can read and write from CHDK by using uBasic commands get_prop and set_prop. "Under the hood" some other uBasic commands work by changing propcases, making it possible to use them in a portable way. Some propcases are read-only. Often writing to a propcase will have a different effect than pressing the corresponding buttons on the camera's user interface. Typically this means that while you may change something like the shutter speed and your change will be effective in your photo, it may not be updated to the camera's on-screen display.

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  • PropertyCase
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  • Property cases (PropertyCase or PropCase) are basically variables in the camera's RAM that we can read and write from CHDK by using uBasic commands get_prop and set_prop. "Under the hood" some other uBasic commands work by changing propcases, making it possible to use them in a portable way. Some propcases are read-only. Often writing to a propcase will have a different effect than pressing the corresponding buttons on the camera's user interface. Typically this means that while you may change something like the shutter speed and your change will be effective in your photo, it may not be updated to the camera's on-screen display.
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  • Property cases (PropertyCase or PropCase) are basically variables in the camera's RAM that we can read and write from CHDK by using uBasic commands get_prop and set_prop. "Under the hood" some other uBasic commands work by changing propcases, making it possible to use them in a portable way. Some propcases are read-only. Often writing to a propcase will have a different effect than pressing the corresponding buttons on the camera's user interface. Typically this means that while you may change something like the shutter speed and your change will be effective in your photo, it may not be updated to the camera's on-screen display. To find out which Property case a function changes see this! * There also is now a List of Params, it needs to be filled with data though ;) * since CHDK changeset #1306 (29-Aug-2011), extended commands to access propcases are available for the Lua scripting language: get_prop_str / set_prop_str / binstr
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