I've been following a lot of discussions here on the forum but not found any hints concerning the following idea.
Inject scripts over USB using the WPD interface, which is also in use by Windows Explorer.
WPD does not see any files in the CHDK folder but it can read/write from/into the DCIM folder.
So we could deposit a script (most easily by copying it there with the Windows Explorer per drag & drop)
Scripts would have to comply with some requirements to keep the mechanism alive
Any suggestions and objections welcome!
So we could deposit a script (most easily by copying it there with the Windows Explorer per drag & drop) and
How is that done, does Windows Explorer respond to the USB 'device connected' event ?If you are connected to multiple cameras, can it distinguish each one ?
How do the Powershots respond to WPD_COMMAND_CAPABILITIES_GET_SUPPORTED_CONTENT_TYPES ?
Have you verified that your camera will actually do this?
Gosh. You are right, my Windows 8 Explorer reports an error, when I try to do it with my A2400IS. But I remember having done it with a Windows 7 machine on some powershot type.
But does't your a540 provide enough evidence that file injection can be done in principle?
I'am not so experienced with Lua right now. But if Lua can access all the storage on the device it should be able to read it bytewise and copy some "special" content into script files or interpret it some how.
So why would Canon support WPD_CONTENT_TYPE_DOCUMENT if you cannot upload text files to the DCIM folder ?
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