ballistic_touchdown module

Module that predicts the crash location if the motors would be

turned off, assuming a ballistic trajectory based on the current velocity. Suggested use: trigger exceptions in the flight plan with the ballistic_pos variable.

Example for airframe file

Add to your firmware section:

<module name="ballistic_touchdown"/>

Module functions

Init Functions

These initialization functions are called once on startup.

• ballistic_touchdown_init()

Periodic Functions

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

• ballistic_touchdown_run()
  • Running at maximum module frequency.
  • Autorun: TRUE
    Periodic function automatically starts after init.

Files

Header Files

The following headers are automatically included in modules.h

• ballistic_touchdown.h

Source Files

• modules/nav/ballistic_touchdown.c

Raw ballistic_touchdown.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="ballistic_touchdown" dir="nav">
  <doc>
    <description>
      Module that predicts the crash location if the motors would be
      turned off, assuming a ballistic trajectory based on the current
      velocity. Suggested use: trigger exceptions in the flight plan with
      the ballistic_pos variable.
    </description>
  </doc>
  <dep>
    <depends>@navigation</depends>
  </dep>
  <header>
    <file name="ballistic_touchdown.h"/>
  </header>
  <init fun="ballistic_touchdown_init()"/>
  <periodic fun="ballistic_touchdown_run()" autorun="TRUE"/>
  <makefile target="ap|nps">
    <file name="ballistic_touchdown.c"/>
  </makefile>
</module>