message: Add heartbeat_rate to config protocol
diff: @@ -236,7 +236,8 @@ public:
  make_protocol_property("finish_on_distance", &config_.lockin.finish_on_distance),
  make_protocol_property("finish_on_enc_idx", &config_.lockin.finish_on_enc_idx)
  ),
  - make_protocol_property("can_node_id", &config_.can_node_id)
  + make_protocol_property("can_node_id", &config_.can_node_id),
  + make_protocol_property("can_heartbeat_rate_ms", &config_.can_heartbeat_rate_ms)
  ),
  make_protocol_object("motor", motor_.make_protocol_definitions()),
  make_protocol_object("controller", controller_.make_protocol_definitions()),
  