autogenerated headers for rev...

autogenerated headers for rev https://github.com/mavlink/mavlink/tree/91b58c70f4bfbadb548c70fcd9de6082b25926c6

autogenerated headers for rev...
autogenerated headers for rev https://github.com/mavlink/mavlink/tree/91b58c70f4bfbadb548c70fcd9de6082b25926c6
92dad4b1 · PX4BuildBot · abc3cfd1 · 92dad4b1 · 92dad4b1 · 92dad4b1
Commit 92dad4b1 authored May 27, 2020 by PX4BuildBot
18 changed files
--- a/ASLUAV/ASLUAV.h
+++ b/ASLUAV/ASLUAV.h
@@ -44,14 +44,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -78,7 +78,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -88,7 +88,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -97,7 +97,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_NAV_SET_YAW_SPEED=213, /* Sets a desired vehicle turn angle and speed change. |Yaw angle to adjust steering by.| Speed.| Final angle. (0=absolute, 1=relative)| Empty| Empty| Empty| Empty|  */
@@ -112,8 +112,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -161,7 +161,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/ASLUAV/version.h
+++ b/ASLUAV/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/ardupilotmega/ardupilotmega.h
+++ b/ardupilotmega/ardupilotmega.h
@@ -61,14 +61,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -96,7 +96,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -106,7 +106,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -115,7 +115,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GRIPPER=211, /* Mission command to operate EPM gripper. |Gripper number (a number from 1 to max number of grippers on the vehicle).| Gripper action (0=release, 1=grab. See GRIPPER_ACTIONS enum).| Empty.| Empty.| Empty.| Empty.| Empty.|  */
@@ -133,8 +133,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -182,7 +182,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/ardupilotmega/version.h
+++ b/ardupilotmega/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/autoquad/autoquad.h
+++ b/autoquad/autoquad.h
@@ -88,14 +88,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -122,7 +122,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -132,7 +132,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -141,7 +141,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_NAV_SET_YAW_SPEED=213, /* Sets a desired vehicle turn angle and speed change. |Yaw angle to adjust steering by.| Speed.| Final angle. (0=absolute, 1=relative)| Empty| Empty| Empty| Empty|  */
@@ -156,8 +156,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -205,7 +205,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/autoquad/version.h
+++ b/autoquad/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/common/common.h
+++ b/common/common.h
@@ -691,14 +691,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -725,7 +725,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -735,7 +735,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -744,7 +744,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_NAV_SET_YAW_SPEED=213, /* Sets a desired vehicle turn angle and speed change. |Yaw angle to adjust steering by.| Speed.| Final angle. (0=absolute, 1=relative)| Empty| Empty| Empty| Empty|  */
@@ -759,8 +759,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -808,7 +808,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/common/version.h
+++ b/common/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/icarous/version.h
+++ b/icarous/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/matrixpilot/matrixpilot.h
+++ b/matrixpilot/matrixpilot.h
@@ -61,14 +61,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -95,7 +95,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -105,7 +105,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -114,7 +114,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_NAV_SET_YAW_SPEED=213, /* Sets a desired vehicle turn angle and speed change. |Yaw angle to adjust steering by.| Speed.| Final angle. (0=absolute, 1=relative)| Empty| Empty| Empty| Empty|  */
@@ -129,8 +129,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -178,7 +178,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/matrixpilot/version.h
+++ b/matrixpilot/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/message_definitions/common.xml
+++ b/message_definitions/common.xml
@@ -1311,7 +1311,7 @@
        <param index="1" label="Turns" minValue="0">Number of turns.</param>
        <param index="2">Empty</param>
        <param index="3" label="Radius" units="m">Radius around waypoint. If positive loiter clockwise, else counter-clockwise</param>
-        <param index="4">Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).</param>
+        <param index="4" label="Xtrack Location">Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).</param>
        <param index="5" label="Latitude">Latitude</param>
        <param index="6" label="Longitude">Longitude</param>
        <param index="7" label="Altitude" units="m">Altitude</param>
@@ -1321,7 +1321,7 @@
        <param index="1" label="Time" units="s" minValue="0">Loiter time.</param>
        <param index="2">Empty</param>
        <param index="3" label="Radius" units="m">Radius around waypoint. If positive loiter clockwise, else counter-clockwise.</param>
-        <param index="4">Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).</param>
+        <param index="4" label="Xtrack Location">Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).</param>
        <param index="5" label="Latitude">Latitude</param>
        <param index="6" label="Longitude">Longitude</param>
        <param index="7" label="Altitude" units="m">Altitude</param>
@@ -1340,7 +1340,7 @@
        <description>Land at location.</description>
        <param index="1" label="Abort Alt" units="m">Minimum target altitude if landing is aborted (0 = undefined/use system default).</param>
        <param index="2" label="Land Mode" enum="PRECISION_LAND_MODE">Precision land mode.</param>
-        <param index="3">Empty.</param>
+        <param index="3">Empty</param>
        <param index="4" label="Yaw Angle" units="deg">Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).</param>
        <param index="5" label="Latitude">Latitude.</param>
        <param index="6" label="Longitude">Longitude.</param>
@@ -1409,11 +1409,11 @@
      <entry value="32" name="MAV_CMD_DO_FOLLOW" hasLocation="false" isDestination="false">
        <description>Begin following a target</description>
        <param index="1" label="System ID" minValue="0" maxValue="255" increment="1">System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.</param>
-        <param index="2">RESERVED</param>
-        <param index="3">RESERVED</param>
+        <param index="2">Reserved</param>
+        <param index="3">Reserved</param>
        <param index="4" label="Altitude Mode" minValue="0" maxValue="2" increment="1">Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.</param>
        <param index="5" label="Altitude" units="m">Altitude above home. (used if mode=2)</param>
-        <param index="6">RESERVED</param>
+        <param index="6">Reserved</param>
        <param index="7" label="Time to Land" units="s" minValue="0">Time to land in which the MAV should go to the default position hold mode after a message RX timeout.</param>
      </entry>
      <entry value="33" name="MAV_CMD_DO_FOLLOW_REPOSITION" hasLocation="false" isDestination="false">
@@ -1434,9 +1434,9 @@
        <param index="2" label="Velocity" units="m/s">Tangential Velocity. NaN: Vehicle configuration default.</param>
        <param index="3" label="Yaw Behavior" enum="ORBIT_YAW_BEHAVIOUR">Yaw behavior of the vehicle.</param>
        <param index="4">Reserved (e.g. for dynamic center beacon options)</param>
-        <param index="5">Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
-        <param index="6">Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
-        <param index="7">Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
+        <param index="5" label="Latitude/X">Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
+        <param index="6" label="Longitude/Y">Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
+        <param index="7" label="Altitude/Z">Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.</param>
      </entry>
      <entry value="80" name="MAV_CMD_NAV_ROI" hasLocation="true" isDestination="false">
        <deprecated since="2018-01" replaced_by="MAV_CMD_DO_SET_ROI_*"/>
@@ -1455,9 +1455,9 @@
        <param index="2" label="Global Ctrl" minValue="0" maxValue="3" increment="1">0: Disable full path planning (without resetting map), 1: Enable, 2: Enable and reset map/occupancy grid, 3: Enable and reset planned route, but not occupancy grid</param>
        <param index="3">Empty</param>
        <param index="4" label="Yaw" units="deg">Yaw angle at goal</param>
-        <param index="5">Latitude/X of goal</param>
-        <param index="6">Longitude/Y of goal</param>
-        <param index="7">Altitude/Z of goal</param>
+        <param index="5" label="Latitude/X">Latitude/X of goal</param>
+        <param index="6" label="Longitude/Y">Longitude/Y of goal</param>
+        <param index="7" label="Altitude/Z">Altitude/Z of goal</param>
      </entry>
      <entry value="82" name="MAV_CMD_NAV_SPLINE_WAYPOINT" hasLocation="true" isDestination="true">
        <description>Navigate to waypoint using a spline path.</description>
@@ -1465,9 +1465,9 @@
        <param index="2">Empty</param>
        <param index="3">Empty</param>
        <param index="4">Empty</param>
-        <param index="5">Latitude/X of goal</param>
-        <param index="6">Longitude/Y of goal</param>
-        <param index="7">Altitude/Z of goal</param>
+        <param index="5" label="Latitude/X">Latitude/X of goal</param>
+        <param index="6" label="Longitude/Y">Longitude/Y of goal</param>
+        <param index="7" label="Altitude/Z">Altitude/Z of goal</param>
      </entry>
      <entry value="84" name="MAV_CMD_NAV_VTOL_TAKEOFF" hasLocation="true" isDestination="true">
        <description>Takeoff from ground using VTOL mode, and transition to forward flight with specified heading. The command should be ignored by vehicles that dont support both VTOL and fixed-wing flight (multicopters, boats,etc.).</description>
@@ -1685,7 +1685,7 @@
      </entry>
      <entry value="186" name="MAV_CMD_DO_CHANGE_ALTITUDE" hasLocation="false" isDestination="false">
        <description>Change altitude set point.</description>
-        <param index="1" label="Altitude" units="m">Altitude.</param>
+        <param index="1" label="Altitude" units="m">Altitude</param>
        <param index="2" label="Frame" enum="MAV_FRAME">Frame of new altitude.</param>
        <param index="3">Empty</param>
        <param index="4">Empty</param>
@@ -1785,7 +1785,7 @@
      </entry>
      <entry value="198" name="MAV_CMD_DO_SET_ROI_SYSID">
        <description>Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message.</description>
-        <param index="1" label="System ID" minValue="1" maxValue="255" increment="1">sysid</param>
+        <param index="1" label="System ID" minValue="1" maxValue="255" increment="1">System ID</param>
        <param index="2" label="Gimbal device ID">Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)</param>
      </entry>
      <entry value="200" name="MAV_CMD_DO_CONTROL_VIDEO" hasLocation="false" isDestination="false">
@@ -1838,20 +1838,20 @@
        <param index="2" label="Stabilize Roll" minValue="0" maxValue="1" increment="1">stabilize roll? (1 = yes, 0 = no)</param>
        <param index="3" label="Stabilize Pitch" minValue="0" maxValue="1" increment="1">stabilize pitch? (1 = yes, 0 = no)</param>
        <param index="4" label="Stabilize Yaw" minValue="0" maxValue="1" increment="1">stabilize yaw? (1 = yes, 0 = no)</param>
-        <param index="5">roll input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
-        <param index="6">pitch input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
-        <param index="7">yaw input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
+        <param index="5" label="Roll Input Mode">roll input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
+        <param index="6" label="Pitch Input Mode">pitch input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
+        <param index="7" label="Yaw Input Mode">yaw input (0 = angle body frame, 1 = angular rate, 2 = angle absolute frame)</param>
      </entry>
      <!-- this one is messed up! altitude should be param 7, not param4 -->
      <entry value="205" name="MAV_CMD_DO_MOUNT_CONTROL" hasLocation="false" isDestination="false">
        <deprecated since="2020-01" replaced_by="MAV_CMD_DO_GIMBAL_MANAGER_ATTITUDE">This message is ambiguous and inconsistent. It has been superseded by MAV_CMD_DO_GIMBAL_MANAGER_ATTITUDE and MAV_CMD_DO_SET_ROI_*. The message can still be used to communicate with legacy gimbals implementing it.</deprecated>
        <description>Mission command to control a camera or antenna mount</description>
-        <param index="1">pitch depending on mount mode (degrees or degrees/second depending on pitch input).</param>
-        <param index="2">roll depending on mount mode (degrees or degrees/second depending on roll input).</param>
-        <param index="3">yaw depending on mount mode (degrees or degrees/second depending on yaw input).</param>
+        <param index="1" label="Pitch">pitch depending on mount mode (degrees or degrees/second depending on pitch input).</param>
+        <param index="2" label="Roll">roll depending on mount mode (degrees or degrees/second depending on roll input).</param>
+        <param index="3" label="Yaw">yaw depending on mount mode (degrees or degrees/second depending on yaw input).</param>
        <param index="4" label="Altitude" units="m">altitude depending on mount mode.</param>
-        <param index="5">latitude, set if appropriate mount mode.</param>
-        <param index="6">longitude, set if appropriate mount mode.</param>
+        <param index="5" label="Latitude">latitude, set if appropriate mount mode.</param>
+        <param index="6" label="Longitude">longitude, set if appropriate mount mode.</param>
        <param index="7" label="Mode" enum="MAV_MOUNT_MODE">Mount mode.</param>
      </entry>
      <entry value="206" name="MAV_CMD_DO_SET_CAM_TRIGG_DIST" hasLocation="false" isDestination="false">
@@ -1876,7 +1876,7 @@
      </entry>
      <entry value="208" name="MAV_CMD_DO_PARACHUTE" hasLocation="false" isDestination="false">
        <description>Mission command to trigger a parachute</description>
-        <param index="1" label="Action" enum="PARACHUTE_ACTION">action</param>
+        <param index="1" label="Action" enum="PARACHUTE_ACTION">Action</param>
        <param index="2">Empty</param>
        <param index="3">Empty</param>
        <param index="4">Empty</param>
@@ -2034,8 +2034,8 @@
        <param index="2" label="Companion" minValue="0" maxValue="3" increment="1">0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.</param>
        <param index="3">WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded</param>
        <param index="4">WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded</param>
-        <param index="5">Reserved, send 0</param>
-        <param index="6">Reserved, send 0</param>
+        <param index="5">Reserved (set to 0)</param>
+        <param index="6">Reserved (set to 0)</param>
        <param index="7">WIP: ID (e.g. camera ID -1 for all IDs)</param>
      </entry>
      <entry value="252" name="MAV_CMD_OVERRIDE_GOTO" hasLocation="true" isDestination="true">
@@ -2044,9 +2044,9 @@
        <param index="2" label="Position" enum="MAV_GOTO">MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.</param>
        <param index="3" label="Frame" enum="MAV_FRAME">Coordinate frame of hold point.</param>
        <param index="4" label="Yaw" units="deg">Desired yaw angle.</param>
-        <param index="5">Latitude / X position.</param>
-        <param index="6">Longitude / Y position.</param>
-        <param index="7">Altitude / Z position.</param>
+        <param index="5" label="Latitude/X">Latitude/X position.</param>
+        <param index="6" label="Longitude/Y">Longitude/Y position.</param>
+        <param index="7" label="Altitude/Z">Altitude/Z position.</param>
      </entry>
      <entry value="300" name="MAV_CMD_MISSION_START" hasLocation="false" isDestination="false">
        <description>start running a mission</description>
@@ -2100,11 +2100,11 @@
      <entry value="512" name="MAV_CMD_REQUEST_MESSAGE" hasLocation="false" isDestination="false">
        <description>Request the target system(s) emit a single instance of a specified message (i.e. a "one-shot" version of MAV_CMD_SET_MESSAGE_INTERVAL).</description>
        <param index="1" label="Message ID" minValue="0" maxValue="16777215" increment="1">The MAVLink message ID of the requested message.</param>
-        <param index="2">Use for index ID, if required. Otherwise, the use of this parameter (if any) must be defined in the requested message. By default assumed not used (0).</param>
-        <param index="3">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
-        <param index="4">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
-        <param index="5">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
-        <param index="6">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
+        <param index="2" label="Req Param 1">Use for index ID, if required. Otherwise, the use of this parameter (if any) must be defined in the requested message. By default assumed not used (0).</param>
+        <param index="3" label="Req Param 2">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
+        <param index="4" label="Req Param 3">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
+        <param index="5" label="Req Param 4">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
+        <param index="6" label="Req Param 5">The use of this parameter (if any), must be defined in the requested message. By default assumed not used (0).</param>
        <param index="7" label="Response Target" minValue="0" maxValue="2" increment="1">Target address for requested message (if message has target address fields). 0: Flight-stack default, 1: address of requestor, 2: broadcast.</param>
      </entry>
      <entry value="519" name="MAV_CMD_REQUEST_PROTOCOL_VERSION" hasLocation="false" isDestination="false">
@@ -2371,8 +2371,8 @@
        <param index="2">User defined</param>
        <param index="3">User defined</param>
        <param index="4">User defined</param>
-        <param index="5">Unscaled target latitude of center of circle in CIRCLE_MODE</param>
-        <param index="6">Unscaled target longitude of center of circle in CIRCLE_MODE</param>
+        <param index="5" label="Latitude" units="degE7">Target latitude of center of circle in CIRCLE_MODE</param>
+        <param index="6" label="Longitude" units="degE7">Target longitude of center of circle in CIRCLE_MODE</param>
      </entry>
      <entry value="4501" name="MAV_CMD_CONDITION_GATE" hasLocation="true" isDestination="true">
        <wip/>

--- a/minimal/version.h
+++ b/minimal/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 22
 

--- a/slugs/slugs.h
+++ b/slugs/slugs.h
@@ -44,14 +44,14 @@ typedef enum MAV_CMD
   MAV_CMD_NAV_LOITER_TURNS=18, /* Loiter around this waypoint for X turns |Number of turns.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LOITER_TIME=19, /* Loiter around this waypoint for X seconds |Loiter time.| Empty| Radius around waypoint. If positive loiter clockwise, else counter-clockwise.| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location. Else, this is desired yaw angle.  NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_RETURN_TO_LAUNCH=20, /* Return to launch location |Empty| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty.| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
+   MAV_CMD_NAV_LAND=21, /* Land at location. |Minimum target altitude if landing is aborted (0 = undefined/use system default).| Precision land mode.| Empty| Desired yaw angle. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude.| Longitude.| Landing altitude (ground level in current frame).|  */
   MAV_CMD_NAV_TAKEOFF=22, /* Takeoff from ground / hand. Vehicles that support multiple takeoff modes (e.g. VTOL quadplane) should take off using the currently configured mode. |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Empty| Yaw angle (if magnetometer present), ignored without magnetometer. NaN to use the current system yaw heading mode (e.g. yaw towards next waypoint, yaw to home, etc.).| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_LAND_LOCAL=23, /* Land at local position (local frame only) |Landing target number (if available)| Maximum accepted offset from desired landing position - computed magnitude from spherical coordinates: d = sqrt(x^2 + y^2 + z^2), which gives the maximum accepted distance between the desired landing position and the position where the vehicle is about to land| Landing descend rate| Desired yaw angle| Y-axis position| X-axis position| Z-axis / ground level position|  */
   MAV_CMD_NAV_TAKEOFF_LOCAL=24, /* Takeoff from local position (local frame only) |Minimum pitch (if airspeed sensor present), desired pitch without sensor| Empty| Takeoff ascend rate| Yaw angle (if magnetometer or another yaw estimation source present), ignored without one of these| Y-axis position| X-axis position| Z-axis position|  */
   MAV_CMD_NAV_FOLLOW=25, /* Vehicle following, i.e. this waypoint represents the position of a moving vehicle |Following logic to use (e.g. loitering or sinusoidal following) - depends on specific autopilot implementation| Ground speed of vehicle to be followed| Radius around waypoint. If positive loiter clockwise, else counter-clockwise| Desired yaw angle.| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_CONTINUE_AND_CHANGE_ALT=30, /* Continue on the current course and climb/descend to specified altitude.  When the altitude is reached continue to the next command (i.e., don't proceed to the next command until the desired altitude is reached. |Climb or Descend (0 = Neutral, command completes when within 5m of this command's altitude, 1 = Climbing, command completes when at or above this command's altitude, 2 = Descending, command completes when at or below this command's altitude.| Empty| Empty| Empty| Empty| Empty| Desired altitude|  */
   MAV_CMD_NAV_LOITER_TO_ALT=31, /* Begin loiter at the specified Latitude and Longitude.  If Lat=Lon=0, then loiter at the current position.  Don't consider the navigation command complete (don't leave loiter) until the altitude has been reached.  Additionally, if the Heading Required parameter is non-zero the  aircraft will not leave the loiter until heading toward the next waypoint. |Heading Required (0 = False)| Radius. If positive loiter clockwise, negative counter-clockwise, 0 means no change to standard loiter.| Empty| Forward moving aircraft this sets exit xtrack location: 0 for center of loiter wp, 1 for exit location| Latitude| Longitude| Altitude|  */
-   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| RESERVED| RESERVED| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| RESERVED| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
+   MAV_CMD_DO_FOLLOW=32, /* Begin following a target |System ID (of the FOLLOW_TARGET beacon). Send 0 to disable follow-me and return to the default position hold mode.| Reserved| Reserved| Altitude mode: 0: Keep current altitude, 1: keep altitude difference to target, 2: go to a fixed altitude above home.| Altitude above home. (used if mode=2)| Reserved| Time to land in which the MAV should go to the default position hold mode after a message RX timeout.|  */
   MAV_CMD_DO_FOLLOW_REPOSITION=33, /* Reposition the MAV after a follow target command has been sent |Camera q1 (where 0 is on the ray from the camera to the tracking device)| Camera q2| Camera q3| Camera q4| altitude offset from target| X offset from target| Y offset from target|  */
   MAV_CMD_DO_ORBIT=34, /* Start orbiting on the circumference of a circle defined by the parameters. Setting any value NaN results in using defaults. |Radius of the circle. positive: Orbit clockwise. negative: Orbit counter-clockwise.| Tangential Velocity. NaN: Vehicle configuration default.| Yaw behavior of the vehicle.| Reserved (e.g. for dynamic center beacon options)| Center point latitude (if no MAV_FRAME specified) / X coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point longitude (if no MAV_FRAME specified) / Y coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.| Center point altitude (MSL) (if no MAV_FRAME specified) / Z coordinate according to MAV_FRAME. NaN: Use current vehicle position or current center if already orbiting.|  */
   MAV_CMD_NAV_ROI=80, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID. (see MAV_ROI enum)| ROI index (allows a vehicle to manage multiple ROI's)| Empty| x the location of the fixed ROI (see MAV_FRAME)| y| z|  */
@@ -78,7 +78,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_SERVO=183, /* Set a servo to a desired PWM value. |Servo instance number.| Pulse Width Modulation.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_REPEAT_SERVO=184, /* Cycle a between its nominal setting and a desired PWM for a desired number of cycles with a desired period. |Servo instance number.| Pulse Width Modulation.| Cycle count.| Cycle time.| Empty| Empty| Empty|  */
   MAV_CMD_DO_FLIGHTTERMINATION=185, /* Terminate flight immediately |Flight termination activated if > 0.5| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude.| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_CHANGE_ALTITUDE=186, /* Change altitude set point. |Altitude| Frame of new altitude.| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_LAND_START=189, /* Mission command to perform a landing. This is used as a marker in a mission to tell the autopilot where a sequence of mission items that represents a landing starts. It may also be sent via a COMMAND_LONG to trigger a landing, in which case the nearest (geographically) landing sequence in the mission will be used. The Latitude/Longitude is optional, and may be set to 0 if not needed. If specified then it will be used to help find the closest landing sequence. |Empty| Empty| Empty| Empty| Latitude| Longitude| Empty|  */
   MAV_CMD_DO_RALLY_LAND=190, /* Mission command to perform a landing from a rally point. |Break altitude| Landing speed| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_GO_AROUND=191, /* Mission command to safely abort an autonomous landing. |Altitude| Empty| Empty| Empty| Empty| Empty| Empty|  */
@@ -88,7 +88,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_SET_ROI_LOCATION=195, /* Sets the region of interest (ROI) to a location. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Latitude of ROI location| Longitude of ROI location| Altitude of ROI location|  */
   MAV_CMD_DO_SET_ROI_WPNEXT_OFFSET=196, /* Sets the region of interest (ROI) to be toward next waypoint, with optional pitch/roll/yaw offset. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Pitch offset from next waypoint, positive tilting up| roll offset from next waypoint, positive banking to the right| yaw offset from next waypoint, positive panning to the right|  */
   MAV_CMD_DO_SET_ROI_NONE=197, /* Cancels any previous ROI command returning the vehicle/sensors to default flight characteristics. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. After this command the gimbal manager should go back to manual input if available, and otherwise assume a neutral position. |Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |sysid| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
+   MAV_CMD_DO_SET_ROI_SYSID=198, /* Mount tracks system with specified system ID. Determination of target vehicle position may be done with GLOBAL_POSITION_INT or any other means. This command can be sent to a gimbal manager but not to a gimbal device. A gimbal device is not to react to this message. |System ID| Component ID of gimbal device to address (or 1-6 for non-MAVLink gimbal), 0 for all gimbal device components. (Send command multiple times for more than one but not all gimbals.)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_DO_CONTROL_VIDEO=200, /* Control onboard camera system. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty|  */
   MAV_CMD_DO_SET_ROI=201, /* Sets the region of interest (ROI) for a sensor set or the vehicle itself. This can then be used by the vehicle's control system to control the vehicle attitude and the attitude of various sensors such as cameras. |Region of interest mode.| Waypoint index/ target ID (depends on param 1).| Region of interest index. (allows a vehicle to manage multiple ROI's)| Empty| MAV_ROI_WPNEXT: pitch offset from next waypoint, MAV_ROI_LOCATION: latitude| MAV_ROI_WPNEXT: roll offset from next waypoint, MAV_ROI_LOCATION: longitude| MAV_ROI_WPNEXT: yaw offset from next waypoint, MAV_ROI_LOCATION: altitude|  */
   MAV_CMD_DO_DIGICAM_CONFIGURE=202, /* Configure digital camera. This is a fallback message for systems that have not yet implemented PARAM_EXT_XXX messages and camera definition files (see https://mavlink.io/en/services/camera_def.html ). |Modes: P, TV, AV, M, Etc.| Shutter speed: Divisor number for one second.| Aperture: F stop number.| ISO number e.g. 80, 100, 200, Etc.| Exposure type enumerator.| Command Identity.| Main engine cut-off time before camera trigger. (0 means no cut-off)|  */
@@ -97,7 +97,7 @@ typedef enum MAV_CMD
   MAV_CMD_DO_MOUNT_CONTROL=205, /* Mission command to control a camera or antenna mount |pitch depending on mount mode (degrees or degrees/second depending on pitch input).| roll depending on mount mode (degrees or degrees/second depending on roll input).| yaw depending on mount mode (degrees or degrees/second depending on yaw input).| altitude depending on mount mode.| latitude, set if appropriate mount mode.| longitude, set if appropriate mount mode.| Mount mode.|  */
   MAV_CMD_DO_SET_CAM_TRIGG_DIST=206, /* Mission command to set camera trigger distance for this flight. The camera is triggered each time this distance is exceeded. This command can also be used to set the shutter integration time for the camera. |Camera trigger distance. 0 to stop triggering.| Camera shutter integration time. -1 or 0 to ignore| Trigger camera once immediately. (0 = no trigger, 1 = trigger)| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_FENCE_ENABLE=207, /* Mission command to enable the geofence |enable? (0=disable, 1=enable, 2=disable_floor_only)| Empty| Empty| Empty| Empty| Empty| Empty|  */
-   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |action| Empty| Empty| Empty| Empty| Empty| Empty|  */
+   MAV_CMD_DO_PARACHUTE=208, /* Mission command to trigger a parachute |Action| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_DO_MOTOR_TEST=209, /* Mission command to perform motor test. |Motor instance number. (from 1 to max number of motors on the vehicle)| Throttle type.| Throttle.| Timeout.| Motor count. (number of motors to test to test in sequence, waiting for the timeout above between them; 0=1 motor, 1=1 motor, 2=2 motors...)| Motor test order.| Empty|  */
   MAV_CMD_DO_INVERTED_FLIGHT=210, /* Change to/from inverted flight. |Inverted flight. (0=normal, 1=inverted)| Empty| Empty| Empty| Empty| Empty| Empty|  */
   MAV_CMD_NAV_SET_YAW_SPEED=213, /* Sets a desired vehicle turn angle and speed change. |Yaw angle to adjust steering by.| Speed.| Final angle. (0=absolute, 1=relative)| Empty| Empty| Empty| Empty|  */
@@ -112,8 +112,8 @@ typedef enum MAV_CMD
   MAV_CMD_PREFLIGHT_SET_SENSOR_OFFSETS=242, /* Set sensor offsets. This command will be only accepted if in pre-flight mode. |Sensor to adjust the offsets for: 0: gyros, 1: accelerometer, 2: magnetometer, 3: barometer, 4: optical flow, 5: second magnetometer, 6: third magnetometer| X axis offset (or generic dimension 1), in the sensor's raw units| Y axis offset (or generic dimension 2), in the sensor's raw units| Z axis offset (or generic dimension 3), in the sensor's raw units| Generic dimension 4, in the sensor's raw units| Generic dimension 5, in the sensor's raw units| Generic dimension 6, in the sensor's raw units|  */
   MAV_CMD_PREFLIGHT_UAVCAN=243, /* Trigger UAVCAN config. This command will be only accepted if in pre-flight mode. |1: Trigger actuator ID assignment and direction mapping.| Reserved| Reserved| Reserved| Reserved| Reserved| Reserved|  */
   MAV_CMD_PREFLIGHT_STORAGE=245, /* Request storage of different parameter values and logs. This command will be only accepted if in pre-flight mode. |Parameter storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Mission storage: 0: READ FROM FLASH/EEPROM, 1: WRITE CURRENT TO FLASH/EEPROM, 2: Reset to defaults| Onboard logging: 0: Ignore, 1: Start default rate logging, -1: Stop logging, > 1: logging rate (e.g. set to 1000 for 1000 Hz logging)| Reserved| Empty| Empty| Empty|  */
-   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved, send 0| Reserved, send 0| WIP: ID (e.g. camera ID -1 for all IDs)|  */
-   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude / X position.| Longitude / Y position.| Altitude / Z position.|  */
+   MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN=246, /* Request the reboot or shutdown of system components. |0: Do nothing for autopilot, 1: Reboot autopilot, 2: Shutdown autopilot, 3: Reboot autopilot and keep it in the bootloader until upgraded.| 0: Do nothing for onboard computer, 1: Reboot onboard computer, 2: Shutdown onboard computer, 3: Reboot onboard computer and keep it in the bootloader until upgraded.| WIP: 0: Do nothing for camera, 1: Reboot onboard camera, 2: Shutdown onboard camera, 3: Reboot onboard camera and keep it in the bootloader until upgraded| WIP: 0: Do nothing for mount (e.g. gimbal), 1: Reboot mount, 2: Shutdown mount, 3: Reboot mount and keep it in the bootloader until upgraded| Reserved (set to 0)| Reserved (set to 0)| WIP: ID (e.g. camera ID -1 for all IDs)|  */
+   MAV_CMD_OVERRIDE_GOTO=252, /* Override current mission with command to pause mission, pause mission and move to position, continue/resume mission. When param 1 indicates that the mission is paused (MAV_GOTO_DO_HOLD), param 2 defines whether it holds in place or moves to another position. |MAV_GOTO_DO_HOLD: pause mission and either hold or move to specified position (depending on param2), MAV_GOTO_DO_CONTINUE: resume mission.| MAV_GOTO_HOLD_AT_CURRENT_POSITION: hold at current position, MAV_GOTO_HOLD_AT_SPECIFIED_POSITION: hold at specified position.| Coordinate frame of hold point.| Desired yaw angle.| Latitude/X position.| Longitude/Y position.| Altitude/Z position.|  */
   MAV_CMD_MISSION_START=300, /* start running a mission |first_item: the first mission item to run| last_item:  the last mission item to run (after this item is run, the mission ends)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_COMPONENT_ARM_DISARM=400, /* Arms / Disarms a component |0: disarm, 1: arm| 0: arm-disarm unless prevented by safety checks (i.e. when landed), 21196: force arming/disarming (e.g. allow arming to override preflight checks and disarming in flight)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_ILLUMINATOR_ON_OFF=405, /* Turns illuminators ON/OFF. An illuminator is a light source that is used for lighting up dark areas external to the sytstem: e.g. a torch or searchlight (as opposed to a light source for illuminating the system itself, e.g. an indicator light). |0: Illuminators OFF, 1: Illuminators ON| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
@@ -161,7 +161,7 @@ typedef enum MAV_CMD
   MAV_CMD_SET_GUIDED_SUBMODE_STANDARD=4000, /* This command sets the submode to standard guided when vehicle is in guided mode. The vehicle holds position and altitude and the user can input the desired velocities along all three axes.
                   |Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)| Reserved (default:0)|  */
   MAV_CMD_SET_GUIDED_SUBMODE_CIRCLE=4001, /* This command sets submode circle when vehicle is in guided mode. Vehicle flies along a circle facing the center of the circle. The user can input the velocity along the circle and change the radius. If no input is given the vehicle will hold position.
-                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Unscaled target latitude of center of circle in CIRCLE_MODE| Unscaled target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
+                   |Radius of desired circle in CIRCLE_MODE| User defined| User defined| User defined| Target latitude of center of circle in CIRCLE_MODE| Target longitude of center of circle in CIRCLE_MODE| Reserved (default:0)|  */
   MAV_CMD_CONDITION_GATE=4501, /* Delay mission state machine until gate has been reached. |Geometry: 0: orthogonal to path between previous and next waypoint.| Altitude: 0: ignore altitude| Empty| Empty| Latitude| Longitude| Altitude|  */
   MAV_CMD_NAV_FENCE_RETURN_POINT=5000, /* Fence return point. There can only be one fence return point.
         |Reserved| Reserved| Reserved| Reserved| Latitude| Longitude| Altitude|  */

--- a/slugs/version.h
+++ b/slugs/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/standard/version.h
+++ b/standard/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255
 

--- a/test/version.h
+++ b/test/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 179
 

--- a/uAvionix/version.h
+++ b/uAvionix/version.h
@@ -7,7 +7,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H

-#define MAVLINK_BUILD_DATE "Tue May 26 2020"
+#define MAVLINK_BUILD_DATE "Wed May 27 2020"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "2.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 255