The RAW IMU readings for the usual 9DOF sensor setup. This message
                should always contain the true raw values without any
                scaling to allow data capture and system debugging.

                time_usec                 : Timestamp (microseconds since UNIX epoch or microseconds since system boot) (uint64_t)
                xacc                      : X acceleration (raw) (int16_t)
                yacc                      : Y acceleration (raw) (int16_t)
                zacc                      : Z acceleration (raw) (int16_t)
                xgyro                     : Angular speed around X axis (raw) (int16_t)
                ygyro                     : Angular speed around Y axis (raw) (int16_t)
                zgyro                     : Angular speed around Z axis (raw) (int16_t)
                xmag                      : X Magnetic field (raw) (int16_t)
                ymag                      : Y Magnetic field (raw) (int16_t)
                zmag                      : Z Magnetic field (raw) (int16_t)

def raw_imu_send(self, time_usec, xacc, yacc, zacc, xgyro, ygyro, zgyro, xmag, ymag, zmag, force_mavlink1=False):
                '''
                The RAW IMU readings for the usual 9DOF sensor setup. This message
                should always contain the true raw values without any
                scaling to allow data capture and system debugging.

                time_usec                 : Timestamp (microseconds since UNIX epoch or microseconds since system boot) (uint64_t)
                xacc                      : X acceleration (raw) (int16_t)
                yacc                      : Y acceleration (raw) (int16_t)
                zacc                      : Z acceleration (raw) (int16_t)
                xgyro                     : Angular speed around X axis (raw) (int16_t)
                ygyro                     : Angular speed around Y axis (raw) (int16_t)
                zgyro                     : Angular speed around Z axis (raw) (int16_t)
                xmag                      : X Magnetic field (raw) (int16_t)
                ymag                      : Y Magnetic field (raw) (int16_t)
                zmag                      : Z Magnetic field (raw) (int16_t)

                '''
                return self.send(self.raw_imu_encode(time_usec, xacc, yacc, zacc, xgyro, ygyro, zgyro, xmag, ymag, zmag), force_mavlink1=force_mavlink1)