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Revision to M954

Steve Miller

+[title|M954]
+
+
+==== M954: Configure as CAN expansion board ====
+
+Parameters
+
+* ***Ann*** CAN address to use (required)
+
+This command is used to reconfigure the board it is executed on as a CAN-connected expansion board. It would typically be the only command in the config.g file. When it is executed, the board changes its CAN address to the one specified in the A parameter, stops sending CAN time sync messages, and responds to requests received via CAN just like a regular expansion board. A few GCode commands can still be executed locally for diagnostic purposes, for example M111 and M122