An escape hatch wrapping OMAPI's OmCommand(), for anything not
covered by axR's typed functions. Not generally recommended – OMAPI's
own docs note that incorrect use could lead to unspecified behaviour.
Arguments
- device_id
Integer device ID, as returned by
axivity_discover().- command
Character. The command string to send.
- expected
Character. The expected response prefix, or
""if not specified.- timeout_ms
Integer. Timeout in milliseconds. Default
2000.