RoverVelocitySetpoint (UORB message)
c
uint64 timestamp # time since system start (microseconds)
float32 speed # [m/s] [-inf, inf] Speed setpoint (Backwards driving if negative)
float32 bearing # [rad] [-pi,pi] from North. [invalid: NAN, speed is defined in body x direction]
float32 yaw # [rad] [-pi, pi] (Mecanum only, Optional, defaults to current vehicle yaw) Vehicle yaw setpoint in NED frame