ardupilot/libraries/GCS_MAVLink/message_definitions/pixhawk.xml

<?xml version="1.0"?>
<mavlink>
<include>common.xml</include>

<enums>
   <enum name="SLUGS_PID_INDX_IDS" >
      <description>Slugs parameter interface subsets</description>
      <entry name = "PID_YAW_DAMPER" value="2" />
      <entry name = "PID_PITCH">With comment: PID Pitch parameter</entry>
      <entry name = "PID_ALT_HOLD"  value="50" />
   </enum>
</enums>

<messages>
  <message name="ATTITUDE_CONTROL" id="85">
     <field name="target" type="uint8_t">The system to be controlled</field>
     <field name="roll" type="float">roll</field>
     <field name="pitch" type="float">pitch</field>
     <field name="yaw" type="float">yaw</field>
     <field name="thrust" type="float">thrust</field>
     <field name="roll_manual" type="uint8_t">roll control enabled auto:0, manual:1</field>
     <field name="pitch_manual" type="uint8_t">pitch auto:0, manual:1</field>
     <field name="yaw_manual" type="uint8_t">yaw auto:0, manual:1</field>
     <field name="thrust_manual" type="uint8_t">thrust auto:0, manual:1</field>
   </message>

 <message name="SET_CAM_SHUTTER" id="100">
     <field name="cam_no" type="uint8_t">Camera id</field>
     <field name="cam_mode" type="uint8_t">Camera mode: 0 = auto, 1 = manual</field>
     <field name="trigger_pin" type="uint8_t">Trigger pin, 0-3 for PtGrey FireFly</field>
     <field name="interval" type="uint16_t">Shutter interval, in microseconds</field>
     <field name="exposure" type="uint16_t">Exposure time, in microseconds</field>
     <field name="gain" type="float">Camera gain</field>
   </message>

   <message name="IMAGE_TRIGGERED" id="101">
     <field name="timestamp" type="uint64_t">Timestamp</field>
     <field name="seq" type="uint32_t">IMU seq</field>
     <field name="roll" type="float">Roll angle in rad</field>
     <field name="pitch" type="float">Pitch angle in rad</field>
   </message>

   <message name="IMAGE_TRIGGER_CONTROL" id="102">
     <field name="enable" type="uint8_t">0 to disable, 1 to enable</field>
   </message>

   <message name="IMAGE_AVAILABLE" id="103">
     <field name="cam_id" type="uint64_t">Camera id</field>
     <field name="cam_no" type="uint8_t">Camera # (starts with 0)</field>
     <field name="timestamp" type="uint64_t">Timestamp</field>
     <field name="valid_until" type="uint64_t">Until which timestamp this buffer will stay valid</field>
     <field name="img_seq" type="uint32_t">The image sequence number</field>
     <field name="img_buf_index" type="uint32_t">Position of the image in the buffer, starts with 0</field>
     <field name="width" type="uint16_t">Image width</field>
     <field name="height" type="uint16_t">Image height</field>
     <field name="depth" type="uint16_t">Image depth</field>
     <field name="channels" type="uint8_t">Image channels</field>
     <field name="key" type="uint32_t">Shared memory area key</field>
     <field name="exposure" type="uint32_t">Exposure time, in microseconds</field>
     <field name="gain" type="float">Camera gain</field>
     <field name="roll" type="float">Roll angle in rad</field>
     <field name="pitch" type="float">Pitch angle in rad</field>
   </message>

   <message name="VISION_POSITION_ESTIMATE" id="111">
     <field name="usec" type="uint64_t">Timestamp (milliseconds)</field>
     <field name="x"   type="float">Global X position</field>
     <field name="y"   type="float">Global Y position</field>
     <field name="z"   type="float">Global Z position</field>
     <field name="roll" type="float">Roll angle in rad</field>
     <field name="pitch" type="float">Pitch angle in rad</field>
     <field name="yaw" type="float">Yaw angle in rad</field>
   </message>

   <message name="VICON_POSITION_ESTIMATE" id="112">
     <field name="usec" type="uint64_t">Timestamp (milliseconds)</field>
     <field name="x"   type="float">Global X position</field>
     <field name="y"   type="float">Global Y position</field>
     <field name="z"   type="float">Global Z position</field>
     <field name="roll" type="float">Roll angle in rad</field>
     <field name="pitch" type="float">Pitch angle in rad</field>
     <field name="yaw" type="float">Yaw angle in rad</field>
   </message>

   <message name="POSITION_CONTROL_SETPOINT_SET" id="120">
     <description>Message sent to the MAV to set a new position as reference for the controller</description>
     <field name="target_system" type="uint8_t">System ID</field>
     <field name="target_component" type="uint8_t">Component ID</field>
     <field name="id" type="uint16_t">ID of waypoint, 0 for plain position</field>
     <field name="x" type="float">x position</field>
     <field name="y" type="float">y position</field>
     <field name="z" type="float">z position</field>
     <field name="yaw" type="float">yaw orientation in radians, 0 = NORTH</field>
   </message>

   <message name="POSITION_CONTROL_OFFSET_SET" id="154">
     <description>Message sent to the MAV to set a new offset from the currently controlled position</description>
     <field name="target_system" type="uint8_t">System ID</field>
     <field name="target_component" type="uint8_t">Component ID</field>
     <field name="x" type="float">x position offset</field>
     <field name="y" type="float">y position offset</field>
     <field name="z" type="float">z position offset</field>
     <field name="yaw" type="float">yaw orientation offset in radians, 0 = NORTH</field>
   </message>

  <!-- Message sent by the MAV once it sets a new position as reference in the controller -->
   <message name="POSITION_CONTROL_SETPOINT" id="121">
     <field name="id" type="uint16_t">ID of waypoint, 0 for plain position</field>
     <field name="x" type="float">x position</field>
     <field name="y" type="float">y position</field>
     <field name="z" type="float">z position</field>
     <field name="yaw" type="float">yaw orientation in radians, 0 = NORTH</field>
   </message>

   <message name="MARKER" id="130">
     <field name="id" type="uint16_t">ID</field>
     <field name="x" type="float">x position</field>
     <field name="y" type="float">y position</field>
     <field name="z" type="float">z position</field>
     <field name="roll" type="float">roll orientation</field>
     <field name="pitch" type="float">pitch orientation</field>
     <field name="yaw" type="float">yaw orientation</field>
   </message>

   <message name="RAW_AUX" id="141">
     <field name="adc1" type="uint16_t">ADC1 (J405 ADC3, LPC2148 AD0.6)</field>
     <field name="adc2" type="uint16_t">ADC2 (J405 ADC5, LPC2148 AD0.2)</field>
     <field name="adc3" type="uint16_t">ADC3 (J405 ADC6, LPC2148 AD0.1)</field>
     <field name="adc4" type="uint16_t">ADC4 (J405 ADC7, LPC2148 AD1.3)</field>
     <field name="vbat" type="uint16_t">Battery voltage</field>
     <field name="temp"  type="int16_t">Temperature (degrees celcius)</field>
     <field name="baro"  type="int32_t">Barometric pressure (hecto Pascal)</field>
   </message>

   <message name="AUX_STATUS" id="142">
     <field name="load" type="uint16_t">Maximum usage in percent of the mainloop time, (0%: 0, 100%: 1000) should be always below 1000</field>
     <field name="i2c0_err_count" type="uint16_t">Number of I2C errors since startup</field>
<field name="i2c1_err_count" type="uint16_t">Number of I2C errors since startup</field>
  <field name="spi0_err_count" type="uint16_t">Number of I2C errors since startup</field>
<field name="spi1_err_count" type="uint16_t">Number of I2C errors since startup</field>
  <field name="uart_total_err_count" type="uint16_t">Number of I2C errors since startup</field>
   </message>

   <message name="CONTROL_STATUS" id="143">
     <field name="position_fix" type="uint8_t">Position fix: 0: lost, 2: 2D position fix, 3: 3D position fix </field>
     <field name="vision_fix" type="uint8_t">Vision position fix: 0: lost, 1: 2D local position hold, 2: 2D global position fix, 3: 3D global position fix </field>
     <field name="gps_fix" type="uint8_t">GPS position fix: 0: no reception, 1: Minimum 1 satellite, but no position fix, 2: 2D position fix, 3: 3D position fix </field>
     <field name="control_att" type="uint8_t">0: Attitude control disabled, 1: enabled</field>
<field name="control_pos_xy" type="uint8_t">0: X, Y position control disabled, 1: enabled</field>
<field name="control_pos_z" type="uint8_t">0: Z position control disabled, 1: enabled</field>
<field name="control_pos_yaw" type="uint8_t">0: Yaw angle control disabled, 1: enabled</field>
   </message>

  <message name="WATCHDOG_HEARTBEAT" id="150">
    <field name="watchdog_id" type="uint16_t">Watchdog ID</field>
    <field name="process_count" type="uint16_t">Number of processes</field>
  </message>

  <message name="WATCHDOG_PROCESS_INFO" id="151">
    <field name="watchdog_id" type="uint16_t">Watchdog ID</field>
    <field name="process_id" type="uint16_t">Process ID</field>
    <field name="name" type="array[100]">Process name</field>
    <field name="arguments" type="array[147]">Process arguments</field>
    <field name="timeout" type="int32_t">Timeout (seconds)</field>
  </message>

  <message name="WATCHDOG_PROCESS_STATUS" id="152">
    <field name="watchdog_id" type="uint16_t">Watchdog ID</field>
    <field name="process_id" type="uint16_t">Process ID</field>
    <field name="state" type="uint8_t">Is running / finished / suspended / crashed</field>
    <field name="muted" type="uint8_t">Is muted</field>
    <field name="pid" type="int32_t">PID</field>
    <field name="crashes" type="uint16_t">Number of crashes</field>
  </message>

  <message name="WATCHDOG_COMMAND" id="153">
    <field name="target_system_id" type="uint8_t">Target system ID</field>
    <field name="watchdog_id" type="uint16_t">Watchdog ID</field>
    <field name="process_id" type="uint16_t">Process ID</field>
    <field name="command_id" type="uint8_t">Command ID</field>
  </message>

  <message name="PATTERN_DETECTED" id="160">
    <field name="type" type="uint8_t">0: Pattern, 1: Letter</field>
    <field name="confidence" type="float">Confidence of detection</field>
    <field name="file" type="array[100]">Pattern file name</field>
    <field name="detected" type="uint8_t">Accepted as true detection, 0 no, 1 yes</field>
   </message>

   <message name="POINT_OF_INTEREST" id="161">
    <description>Notifies the operator about a point of interest (POI). This can be anything detected by the
    system. This generic message is intented to help interfacing to generic visualizations and to display
    the POI on a map.</description>
    <field name="type" type="uint8_t">0: Notice, 1: Warning, 2: Critical, 3: Emergency, 4: Debug</field>
    <field name="color" type="uint8_t">0: blue, 1: yellow, 2: red, 3: orange, 4: green, 5: magenta</field>
    <field name="coordinate_system" type="uint8_t">0: global, 1:local</field>
    <field name="timeout" type="uint16_t">0: no timeout, >1: timeout in seconds</field>
    <field name="x" type="float">X Position</field>
    <field name="y" type="float">Y Position</field>
    <field name="z" type="float">Z Position</field>
    <field name="name" type="array[25]">POI name</field>
   </message>

   <message name="POINT_OF_INTEREST_CONNECTION" id="162">
    <description>Notifies the operator about the connection of two point of interests (POI). This can be anything detected by the
    system. This generic message is intented to help interfacing to generic visualizations and to display
    the POI on a map.</description>
    <field name="type" type="uint8_t">0: Notice, 1: Warning, 2: Critical, 3: Emergency, 4: Debug</field>
    <field name="color" type="uint8_t">0: blue, 1: yellow, 2: red, 3: orange, 4: green, 5: magenta</field>
    <field name="coordinate_system" type="uint8_t">0: global, 1:local</field>
    <field name="timeout" type="uint16_t">0: no timeout, >1: timeout in seconds</field>
    <field name="xp1" type="float">X1 Position</field>
    <field name="yp1" type="float">Y1 Position</field>
    <field name="zp1" type="float">Z1 Position</field>
    <field name="xp2" type="float">X2 Position</field>
    <field name="yp2" type="float">Y2 Position</field>
    <field name="zp2" type="float">Z2 Position</field>
    <field name="name" type="array[25]">POI connection name</field>
   </message>

</messages>
</mavlink>