enter_alt for ubasic

Alarik

83

« on: 14 / July / 2012, 07:37:34 »

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hi all,
during a script execution I need to suspend chdk for a while so i use the function
exit_alt 0 in uBasic
i saw there exist "enter_alt" function for lua but nor ubasic... why this? isnt it possibile
somehow to return in alt mode in a ubasic script?

I need it because otherwise any time I click my remote button in play mode and alt disabled,
on the screen I have the slideshow of picture taken and I dont want it as it clears my console output....

thanks all

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msl

1280
A720 IS, SX220 HS 1.01a

Re: enter_alt for ubasic

« Reply #1 on: 14 / July / 2012, 08:59:14 »

This command is not quite useful for a 'normal' script. It's more a experimental function in conjunction with a PTP connection. That's also the reason why it exists only as a Lua command.

It's not possible leave and re-enter the ALT mode via a running script.

msl

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CHDK-DE: CHDK-DE links

waterwingz

12140

Re: enter_alt for ubasic

« Reply #2 on: 14 / July / 2012, 09:47:59 »

Quote from: Alarik on 14 / July / 2012, 07:37:34

I need it because otherwise any time I click my remote button in play mode and alt disabled,
on the screen I have the slideshow of picture taken and I dont want it as it clears my console output....

A less complex approach to solve your problem assuming that you have a script running is to sit in a loop and issue a

Code: [Select]

redraw_console
every half second or so.

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Ported : A1200 SD940 G10 Powershot N G16

Alarik

83

Re: enter_alt for ubasic

« Reply #3 on: 14 / July / 2012, 10:29:36 »

Quote

redraw_console

thx, that is a good workaround
by the way I magine is not possible to disable the feature that in playingMode, alt disabled, a remote button press triggers the displaying of previous pictures taken...isn't it?

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waterwingz

12140

Re: enter_alt for ubasic

« Reply #4 on: 14 / July / 2012, 10:36:36 »

Quote from: Alarik on 14 / July / 2012, 10:29:36

by the way I magine is not possible to disable the feature that in playingMode, alt disabled, a remote button press triggers the displaying of previous pictures taken...isn't it?

No.

But I'm laughing here because at the time I was redoing the USB remote code, I was asked to add that "feature" because it had been in the original USB remote code and was apparently very important to people with multi-camera setups.

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Ported : A1200 SD940 G10 Powershot N G16