The IMU readings in SI units in NED body frame

                time_usec                 : Timestamp (microseconds, synced to UNIX time or since system boot) (uint64_t)
                xacc                      : X acceleration (m/s^2) (float)
                yacc                      : Y acceleration (m/s^2) (float)
                zacc                      : Z acceleration (m/s^2) (float)
                xgyro                     : Angular speed around X axis (rad / sec) (float)
                ygyro                     : Angular speed around Y axis (rad / sec) (float)
                zgyro                     : Angular speed around Z axis (rad / sec) (float)
                xmag                      : X Magnetic field (Gauss) (float)
                ymag                      : Y Magnetic field (Gauss) (float)
                zmag                      : Z Magnetic field (Gauss) (float)
                abs_pressure              : Absolute pressure in millibar (float)
                diff_pressure             : Differential pressure in millibar (float)
                pressure_alt              : Altitude calculated from pressure (float)
                temperature               : Temperature in degrees celsius (float)
                fields_updated            : Bitmask for fields that have updated since last message, bit 0 = xacc, bit 12: temperature (uint16_t)

def highres_imu_send(self, time_usec, xacc, yacc, zacc, xgyro, ygyro, zgyro, xmag, ymag, zmag, abs_pressure, diff_pressure, pressure_alt, temperature, fields_updated, force_mavlink1=False):
                '''
                The IMU readings in SI units in NED body frame

                time_usec                 : Timestamp (microseconds, synced to UNIX time or since system boot) (uint64_t)
                xacc                      : X acceleration (m/s^2) (float)
                yacc                      : Y acceleration (m/s^2) (float)
                zacc                      : Z acceleration (m/s^2) (float)
                xgyro                     : Angular speed around X axis (rad / sec) (float)
                ygyro                     : Angular speed around Y axis (rad / sec) (float)
                zgyro                     : Angular speed around Z axis (rad / sec) (float)
                xmag                      : X Magnetic field (Gauss) (float)
                ymag                      : Y Magnetic field (Gauss) (float)
                zmag                      : Z Magnetic field (Gauss) (float)
                abs_pressure              : Absolute pressure in millibar (float)
                diff_pressure             : Differential pressure in millibar (float)
                pressure_alt              : Altitude calculated from pressure (float)
                temperature               : Temperature in degrees celsius (float)
                fields_updated            : Bitmask for fields that have updated since last message, bit 0 = xacc, bit 12: temperature (uint16_t)

                '''
                return self.send(self.highres_imu_encode(time_usec, xacc, yacc, zacc, xgyro, ygyro, zgyro, xmag, ymag, zmag, abs_pressure, diff_pressure, pressure_alt, temperature, fields_updated), force_mavlink1=force_mavlink1)