uav_recovery module

Parachute

No detailed description...

Example for airframe file

Add to your firmware section: This example contains all possible configuration options, not all of them are mandatory!

<module name="uav_recovery">
  b'<define name="USE_PARACHUTE" value="true OR false" />\n    '
  b'<define name="PARACHUTE_SERVO_CHANNEL" value="The paraccute servo name" />\n    '
  b'<define name="PARACHUTE_DESCENT_RATE" value="3.0" />\n    '
  b'<define name="PARACHUTE_WIND_CORRECTION" value="1.0" />\n    '
  b'<define name="PARACHUTE_LINE_LENGTH" value="3.0" />\n    '
  b'<define name="FIXED_WIND_DIRECTION_FOR_TESTING" value="90." />\n    '
  b'<define name="FIXED_WIND_SPEED_FOR_TESTING" value="10." />\n    '
  b'<define name="AIRBORNE_WIND_CORRECTION" value="1.0" />\n  '
</module>

Module configuration options

Define Options

• name: USE_PARACHUTE value: true OR false
  Description: whether to use parachute recovery or not
• name: PARACHUTE_SERVO_CHANNEL value: The paraccute servo name
  Description: which servo to use, -1 if none
• name: PARACHUTE_DESCENT_RATE value: 3.0
  Description: calculated descent rate in meters/second
• name: PARACHUTE_WIND_CORRECTION value: 1.0
  Description: to estimate the landing spot better
• name: PARACHUTE_LINE_LENGTH value: 3.0
  Description: the parachute to plane distance in meters.
• name: FIXED_WIND_DIRECTION_FOR_TESTING value: 90.
  Description: fixed wind direction for the simulator ONLY!
• name: FIXED_WIND_SPEED_FOR_TESTING value: 10.
  Description: fixed wind speed for the simulator ONLY!
• name: AIRBORNE_WIND_CORRECTION value: 1.0
  Description: Airframe dependant wind calculation correction factor.

Module functions

Init Functions

These initialization functions are called once on startup.

• uav_recovery_init()

Periodic Functions

These functions are called periodically at the specified frequency from the module periodic loop.

• uav_recovery_periodic()
  • Frequency in Hz: 10
  • Autorun: LOCK
    Periodic function automatically starts after init and can't be stopped.

Files

Header Files

The following headers are automatically included in modules.h

• uav_recovery.h

Source Files

• modules/uav_recovery/uav_recovery.c

Raw uav_recovery.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="uav_recovery" dir="uav_recovery">
  <doc>
    <description>Parachute</description>
    <define name="USE_PARACHUTE" value="true OR false" description="whether to use parachute recovery or not"/>
    <define name="PARACHUTE_SERVO_CHANNEL" value="The paraccute servo name" description="which servo to use, -1 if none" />
    <define name="PARACHUTE_DESCENT_RATE" value="3.0" description="calculated descent rate in meters/second"/>
    <define name="PARACHUTE_WIND_CORRECTION" value="1.0" description="to estimate the landing spot better"/>
    <define name="PARACHUTE_LINE_LENGTH" value="3.0" description="the parachute to plane distance in meters."/>
    <define name="FIXED_WIND_DIRECTION_FOR_TESTING" value="90." description="fixed wind direction for the simulator ONLY!"/>
    <define name="FIXED_WIND_SPEED_FOR_TESTING" value="10." description="fixed wind speed for the simulator ONLY!"/>
    <define name="AIRBORNE_WIND_CORRECTION" value="1.0" description="Airframe dependant wind calculation correction factor." />
  </doc>
  <settings>
    <dl_settings>
      <dl_settings NAME="Parachute">
        <dl_setting MAX="1" MIN="0" STEP="1" VAR="deploy_parachute_var" shortname="deploy parachute">
<!--         <strip_button name="parachute" icon="on.png" value="1" group="parachute" />  -->
        </dl_setting>
      </dl_settings>
    </dl_settings>
  </settings>
  <header>
    <file name="uav_recovery.h"/>
  </header>
  <init fun="uav_recovery_init()"/>
  <periodic fun="uav_recovery_periodic()" freq="10"/>
  <makefile>
    <file name="uav_recovery.c"/>
  </makefile>
</module>