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* Make some LCD display related things globally accessible * Deprecate `read_data` to avoid confusion (use `send_cmnd` instead) * Allow arbitrary data for `send_msg` and `get_msg` (with optional parameter)
* Make some LCD display related things globally accessible * Deprecate `read_data` to avoid confusion (use `send_cmnd` instead) * Allow arbitrary data for `send_msg` and `get_msg` (with optional parameter)