NAV AIRSPEED.

Navigation Airspeeds to be called from the flightplan. The included settings allow tuning of your different airspeeds In your flightplans you call the airspeeds with set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_nominal_setting set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_tracking_setting set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_landing_setting attitude pitch=DegOfRad(nav_takeoff_pitch_setting) ...

Example for airframe file

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

<module name="tune_airspeed">
  b'<define name="NOMINAL_AIRSPEED" value="15" />\n    '
  b'<define name="TRACKING_AIRSPEED" value="20" />\n    '
  b'<define name="LANDING_AIRSPEED" value="12" />\n    '
</module>

Module configuration options

Define Options

name: NOMINAL_AIRSPEED value: 15
Description: m/s (required))
name: TRACKING_AIRSPEED value: 20
Description: m/s (default: (1.25f * NOMINAL_AIRSPEED))
name: LANDING_AIRSPEED value: 12
Description: m/s (default: (0.8f * NOMINAL_AIRSPEED)

Files

Header Files

The following headers are automatically included in modules.h

nav_airspeed.h

Source Files

modules/nav/nav_airspeed.c

Raw tune_airspeed.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="tune_airspeed" dir="nav">
  <doc>
    <description>NAV AIRSPEED.
      Navigation Airspeeds to be called from the flightplan.
      The included settings allow tuning of your different airspeeds
      In your flightplans you call the airspeeds with
      set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_nominal_setting
      set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_tracking_setting
      set var=v_ctl_auto_airspeed_setpoint value=nav_airspeed_landing_setting
      attitude pitch=DegOfRad(nav_takeoff_pitch_setting) ...
    </description>
    <define name="NOMINAL_AIRSPEED" value="15" description="m/s (required))"/>
    <define name="TRACKING_AIRSPEED" value="20" description="m/s (default: (1.25f * NOMINAL_AIRSPEED))"/>
    <define name="LANDING_AIRSPEED" value="12" description="m/s (default: (0.8f * NOMINAL_AIRSPEED)"/>
    </doc>
  <settings>
    <dl_settings name="control">
      <dl_settings name="airspeed">
        <dl_setting max="50" min="5" step="0.5" var="nav_airspeed_nominal_setting" shortname="nominal"/>
        <dl_setting max="50" min="5" step="0.5" var="nav_airspeed_tracking_setting" shortname="tracking"/>
        <dl_setting max="50" min="5" step="0.5" var="nav_airspeed_landing_setting" shortname="landing"/>
        <dl_setting max="80" min="-10" step="0.5" var="nav_takeoff_pitch_setting" shortname="takeoff_pitch" unit="rad" alt_unit="deg" />
      </dl_settings>
    </dl_settings>
  </settings>
  <header>
    <file name="nav_airspeed.h"/>
  </header>
  <makefile target="!fbw">
    <file name="nav_airspeed.c"/>
  </makefile>
</module>
 