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control camera through USB/scripts

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Offline waspinator

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control camera through USB/scripts
« on: 25 / April / 2013, 11:15:11 »
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I would like to be able to tell a camera to take a picture using my computer through a USB cable, without using an arduino or other microcontroller.

Is it possible to send a script to a camera through USB and tell it to execute? Ideally I would also want the image taken to be saved in a directory on the computer too.
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Offline waterwingz

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Re: control camera through USB/scripts
« Reply #1 on: 25 / April / 2013, 11:55:22 »
Quote from: waspinator on 25 / April / 2013, 11:15:11
I would like to be able to tell a camera to take a picture using my computer through a USB cable, without using an arduino or other microcontroller.

Is it possible to send a script to a camera through USB and tell it to execute? Ideally I would also want the image taken to be saved in a directory on the computer too.
All you need is a PTP (picture taking protocal) interface, which is officially supported in all current CHDK releases :

http://chdk.wikia.com/wiki/PTP_Extension
« Last Edit: 25 / April / 2013, 12:55:42 by waterwingz »
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Offline Microfunguy

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Re: control camera through USB/scripts
« Reply #2 on: 25 / April / 2013, 12:36:14 »
Quote from: waspinator on 25 / April / 2013, 11:15:11
Is it possible to send a script to a camera through USB and tell it to execute?

Sure, using CHDK or an unofficial version of SDM.

With SDM, you type the following on your PC :

sdmcon --sdm

Then after the <conn> prompts :-

<conn>record
<conn>shoot

That captures an image and stores it in a folder on your PC

This will not be supported in the official SDM 1.86 release.
If you want to try it, send me a personal message stating camera and firmware version and a suitable email contact address.


David

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