M21 Error: Code is not supported
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I'm getting this error response from a Duet 3 with SBC. Is this due to the SD "card" being a directory on the SBC, which doesn't need initialising? The gcode documentation or forums do not give any hint on why this code is not supported (any more).
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@ofliduet because the sd card when in SBC mode is virtual.
M21 etc is still supported in standalone -
I suspected as much. It might be worth keeping it around for backwards compatibility. Currently the error response breaks Octoprint.
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I agree, M21 for SD card 0 should just return success when running with SBC. One for @chrishamm.
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Thanks for pointing this out, I'll change DSF so M21 doesn't return an error message for SD card 0 (which is the default for M21).
