Reports progress of compass calibration.

                compass_id                : Compass being calibrated (uint8_t)
                cal_mask                  : Bitmask of compasses being calibrated (uint8_t)
                cal_status                : Status (see MAG_CAL_STATUS enum) (uint8_t)
                attempt                   : Attempt number (uint8_t)
                completion_pct            : Completion percentage (uint8_t)
                completion_mask           : Bitmask of sphere sections (see http://en.wikipedia.org/wiki/Geodesic_grid) (uint8_t)
                direction_x               : Body frame direction vector for display (float)
                direction_y               : Body frame direction vector for display (float)
                direction_z               : Body frame direction vector for display (float)

def mag_cal_progress_encode(self, compass_id, cal_mask, cal_status, attempt, completion_pct, completion_mask, direction_x, direction_y, direction_z):
                '''
                Reports progress of compass calibration.

                compass_id                : Compass being calibrated (uint8_t)
                cal_mask                  : Bitmask of compasses being calibrated (uint8_t)
                cal_status                : Status (see MAG_CAL_STATUS enum) (uint8_t)
                attempt                   : Attempt number (uint8_t)
                completion_pct            : Completion percentage (uint8_t)
                completion_mask           : Bitmask of sphere sections (see http://en.wikipedia.org/wiki/Geodesic_grid) (uint8_t)
                direction_x               : Body frame direction vector for display (float)
                direction_y               : Body frame direction vector for display (float)
                direction_z               : Body frame direction vector for display (float)

                '''
                return MAVLink_mag_cal_progress_message(compass_id, cal_mask, cal_status, attempt, completion_pct, completion_mask, direction_x, direction_y, direction_z)