autogenerated headers for rev...

autogenerated headers for rev https://github.com/mavlink/mavlink/tree/ceafff7e07c66169603d44f365b539995604122b

common/mavlink_msg_altitude.h

@@ -4,7 +4,7 @@
 
 typedef struct MAVLINK_PACKED __mavlink_altitude_t
 {
- uint64_t time_usec; /*< Timestamp (milliseconds since system boot)*/
+ uint64_t time_usec; /*< Timestamp (micros since boot or Unix epoch)*/
  float altitude_monotonic; /*< This altitude measure is initialized on system boot and monotonic (it is never reset, but represents the local altitude change). The only guarantee on this field is that it will never be reset and is consistent within a flight. The recommended value for this field is the uncorrected barometric altitude at boot time. This altitude will also drift and vary between flights.*/
  float altitude_amsl; /*< This altitude measure is strictly above mean sea level and might be non-monotonic (it might reset on events like GPS lock or when a new QNH value is set). It should be the altitude to which global altitude waypoints are compared to. Note that it is *not* the GPS altitude, however, most GPS modules already output AMSL by default and not the WGS84 altitude.*/
  float altitude_local; /*< This is the local altitude in the local coordinate frame. It is not the altitude above home, but in reference to the coordinate origin (0, 0, 0). It is up-positive.*/
@@ -58,7 +58,7 @@ typedef struct MAVLINK_PACKED __mavlink_altitude_t
  * @param component_id ID of this component (e.g. 200 for IMU)
  * @param msg The MAVLink message to compress the data into
  *
- * @param time_usec Timestamp (milliseconds since system boot)
+ * @param time_usec Timestamp (micros since boot or Unix epoch)
  * @param altitude_monotonic This altitude measure is initialized on system boot and monotonic (it is never reset, but represents the local altitude change). The only guarantee on this field is that it will never be reset and is consistent within a flight. The recommended value for this field is the uncorrected barometric altitude at boot time. This altitude will also drift and vary between flights.
  * @param altitude_amsl This altitude measure is strictly above mean sea level and might be non-monotonic (it might reset on events like GPS lock or when a new QNH value is set). It should be the altitude to which global altitude waypoints are compared to. Note that it is *not* the GPS altitude, however, most GPS modules already output AMSL by default and not the WGS84 altitude.
  * @param altitude_local This is the local altitude in the local coordinate frame. It is not the altitude above home, but in reference to the coordinate origin (0, 0, 0). It is up-positive.
@@ -104,7 +104,7 @@ static inline uint16_t mavlink_msg_altitude_pack(uint8_t system_id, uint8_t comp
  * @param component_id ID of this component (e.g. 200 for IMU)
  * @param chan The MAVLink channel this message will be sent over
  * @param msg The MAVLink message to compress the data into
- * @param time_usec Timestamp (milliseconds since system boot)
+ * @param time_usec Timestamp (micros since boot or Unix epoch)
  * @param altitude_monotonic This altitude measure is initialized on system boot and monotonic (it is never reset, but represents the local altitude change). The only guarantee on this field is that it will never be reset and is consistent within a flight. The recommended value for this field is the uncorrected barometric altitude at boot time. This altitude will also drift and vary between flights.
  * @param altitude_amsl This altitude measure is strictly above mean sea level and might be non-monotonic (it might reset on events like GPS lock or when a new QNH value is set). It should be the altitude to which global altitude waypoints are compared to. Note that it is *not* the GPS altitude, however, most GPS modules already output AMSL by default and not the WGS84 altitude.
  * @param altitude_local This is the local altitude in the local coordinate frame. It is not the altitude above home, but in reference to the coordinate origin (0, 0, 0). It is up-positive.
@@ -176,7 +176,7 @@ static inline uint16_t mavlink_msg_altitude_encode_chan(uint8_t system_id, uint8
  * @brief Send a altitude message
  * @param chan MAVLink channel to send the message
  *
- * @param time_usec Timestamp (milliseconds since system boot)
+ * @param time_usec Timestamp (micros since boot or Unix epoch)
  * @param altitude_monotonic This altitude measure is initialized on system boot and monotonic (it is never reset, but represents the local altitude change). The only guarantee on this field is that it will never be reset and is consistent within a flight. The recommended value for this field is the uncorrected barometric altitude at boot time. This altitude will also drift and vary between flights.
  * @param altitude_amsl This altitude measure is strictly above mean sea level and might be non-monotonic (it might reset on events like GPS lock or when a new QNH value is set). It should be the altitude to which global altitude waypoints are compared to. Note that it is *not* the GPS altitude, however, most GPS modules already output AMSL by default and not the WGS84 altitude.
  * @param altitude_local This is the local altitude in the local coordinate frame. It is not the altitude above home, but in reference to the coordinate origin (0, 0, 0). It is up-positive.
@@ -271,7 +271,7 @@ static inline void mavlink_msg_altitude_send_buf(mavlink_message_t *msgbuf, mavl
 /**
  * @brief Get field time_usec from altitude message
  *
- * @return Timestamp (milliseconds since system boot)
+ * @return Timestamp (micros since boot or Unix epoch)
  */
 static inline uint64_t mavlink_msg_altitude_get_time_usec(const mavlink_message_t* msg)
 {

message_definitions/common.xml

@@ -3232,7 +3232,7 @@
         </message>
         <message id="141" name="ALTITUDE">
             <description>The current system altitude.</description>
-            <field type="uint64_t" name="time_usec">Timestamp (milliseconds since system boot)</field>
+            <field type="uint64_t" name="time_usec">Timestamp (micros since boot or Unix epoch)</field>
             <field type="float" name="altitude_monotonic">This altitude measure is initialized on system boot and monotonic (it is never reset, but represents the local altitude change). The only guarantee on this field is that it will never be reset and is consistent within a flight. The recommended value for this field is the uncorrected barometric altitude at boot time. This altitude will also drift and vary between flights.</field>
             <field type="float" name="altitude_amsl">This altitude measure is strictly above mean sea level and might be non-monotonic (it might reset on events like GPS lock or when a new QNH value is set). It should be the altitude to which global altitude waypoints are compared to. Note that it is *not* the GPS altitude, however, most GPS modules already output AMSL by default and not the WGS84 altitude.</field>
             <field type="float" name="altitude_local">This is the local altitude in the local coordinate frame. It is not the altitude above home, but in reference to the coordinate origin (0, 0, 0). It is up-positive.</field>