paparazzi airframe file that won't build on px4fmu branch

bixler_px4fmu

<!DOCTYPE airframe SYSTEM "../airframe.dtd">

<!-- this is a HobbyKing Bixler equiped with
  * Autopilot:   px4fmu
  * IMU:         px4fmu
  * GPS:         Ublox          (Manually configured NEO-6Q)
  * RC:          dsm2  	(Orange satelite module)
  * Modem        RFD900		(SiK firmware)

TODO:
  * Airspeed module?
-->

<airframe name="Bixler px4fmu">

  <firmware name="fixedwing">
    <target name="ap" board="px4fmu_1.7"/>
    <target name="sim" board="pc"/>

    <!--subsystem name="radio_control" type="spektrum"/--><!-- broken? -->
    <subsystem name="radio_control" type="ppm"/>
    <subsystem name="telemetry" type="transparent"/>
    <!--
      TODO: experiment with "new" and "energy" control types,
            once airspeed sensor is integrated.
    --> 
    <subsystem name="control"/>
    <subsystem name="imu" type="px4fmu_v1.7"/>
    <subsystem name="gps" type="ublox"/>
    <subsystem name="navigation"/>

    <!-- TODO: am I sure these are what I want? -->
    <subsystem name="ahrs" type="float_dcm"/>
    <subsystem name="ins" type="alt_float"/>
  </firmware>


  <!-- The rest (following) is coppied from the lisa_m Bixler example
       airframe, and almost certainly requires tweaking.

       TODO: add flaps
       TODO: comission some channels for tuning
       TODO: install a switch for lights
  -->
  <!-- commands section -->
  <servos>
    <servo name="THROTTLE"      no="1" min="1120" neutral="1120" max="1920"/>
    <servo name="ELEVATOR"      no="2" min="1100" neutral="1515" max="1900"/>
    <servo name="RUDDER"        no="3" min="950"  neutral="1440" max="2050"/>
    <servo name="AILERON_RIGHT" no="4" min="1000" neutral="1500" max="2000"/>
    <servo name="AILERON_LEFT"  no="5" min="1000" neutral="1500" max="2000"/>
  </servos>

  <commands>
    <axis name="THROTTLE" failsafe_value="0"/>
    <axis name="ROLL"     failsafe_value="0"/>
    <axis name="PITCH"    failsafe_value="0"/>
    <axis name="YAW"      failsafe_value="2000"/>
  </commands>

  <rc_commands>
    <set command="ROLL"      value="@ROLL"/>
    <set command="PITCH"     value="@PITCH"/>
    <set command="THROTTLE"  value="@THROTTLE"/>
    <set command="YAW"       value="@YAW"/>
  </rc_commands>

  <section name="MIXER">
    <define name="COMBI_SWITCH" value="0.3"/>
  </section>

  <command_laws>
    <set servo="THROTTLE"    value="@THROTTLE"/>
    <set servo="ELEVATOR"    value="@PITCH"/>
    <set servo="RUDDER"      value="@YAW + @ROLL*COMBI_SWITCH"/>
    <set servo="AILERON_LEFT" value="@ROLL"/>
    <set servo="AILERON_RIGHT" value="@ROLL"/>
  </command_laws>

  <section name="AUTO1" prefix="AUTO1_">
    <define name="MAX_ROLL" value="50" unit="deg"/>
    <define name="MAX_PITCH" value="40" unit="deg"/>
  </section>

  <section name="IMU" prefix="IMU_">
    <define name="BODY_TO_IMU_PHI"   value="0." unit="deg"/>
    <define name="BODY_TO_IMU_THETA" value="0." unit="deg"/>
    <define name="BODY_TO_IMU_PSI"   value="0." unit="deg"/>
  </section>

  <section name="INS" prefix="INS_">
    <define name="ROLL_NEUTRAL_DEFAULT"  value="0" unit="deg"/>
    <define name="PITCH_NEUTRAL_DEFAULT" value="0" unit="deg"/>
  </section>

  <section name="BAT">
    <define name="MILLIAMP_AT_FULL_THROTTLE" value="20000" unit="mA"/>
    <define name="CATASTROPHIC_BAT_LEVEL" value="9.0" unit="V"/>
    <define name="CRITIC_BAT_LEVEL" value="9.5" unit="V"/>
    <define name="LOW_BAT_LEVEL" value="10.0" unit="V"/>
    <define name="MAX_BAT_LEVEL" value="12.5" unit="V"/>
  </section>

  <section name="MISC">
    <define name="NOMINAL_AIRSPEED" value="15." unit="m/s"/>
    <define name="CARROT" value="4." unit="s"/>
    <define name="KILL_MODE_DISTANCE" value="(2.0*MAX_DIST_FROM_HOME)"/>
    <define name="ALT_KALMAN_ENABLED" value="TRUE"/>
    <define name="DEFAULT_CIRCLE_RADIUS" value="100."/>
  </section>

  <section name="VERTICAL CONTROL" prefix="V_CTL_">
    <define name="POWER_CTL_BAT_NOMINAL" value="11.0" unit="volt"/>
    <!-- outer loop -->
    <define name="ALTITUDE_PGAIN" value="0.075" unit="(m/s)/m"/>
    <define name="ALTITUDE_MAX_CLIMB" value="4." unit="m/s"/>
    <!-- auto throttle inner loop -->
    <define name="AUTO_THROTTLE_NOMINAL_CRUISE_THROTTLE" value="0.5" unit="%"/>
    <define name="AUTO_THROTTLE_MIN_CRUISE_THROTTLE" value="0.2" unit="%"/>
    <define name="AUTO_THROTTLE_MAX_CRUISE_THROTTLE" value="1.0" unit="%"/>
    <define name="AUTO_THROTTLE_LOITER_TRIM" value="1500" unit="pprz_t"/>
    <define name="AUTO_THROTTLE_DASH_TRIM" value="-1000" unit="pprz_t"/>
    <define name="AUTO_THROTTLE_CLIMB_THROTTLE_INCREMENT" value="0.1" unit="%/(m/s)"/>
    <define name="AUTO_THROTTLE_PGAIN" value="0.02" unit="%/(m/s)"/>
    <define name="AUTO_THROTTLE_IGAIN" value="0.03"/>
    <define name="AUTO_THROTTLE_PITCH_OF_VZ_PGAIN" value="0.05" unit="rad/(m/s)"/>
    <define name="AUTO_PITCH_PGAIN" value="0.125"/>
    <define name="AUTO_PITCH_IGAIN" value="0.025"/>
    <define name="AUTO_PITCH_MAX_PITCH" value="25" unit="deg"/>
    <define name="AUTO_PITCH_MIN_PITCH" value="-25" unit="deg"/>
    <define name="THROTTLE_SLEW" value="1.0"/>
  </section>

  <section name="HORIZONTAL CONTROL" prefix="H_CTL_">
    <define name="COURSE_PGAIN" value="1.0"/>
    <define name="COURSE_DGAIN" value="0.4"/>
    <define name="ROLL_MAX_SETPOINT" value="35" unit="deg"/>
    <define name="PITCH_MAX_SETPOINT" value="25" unit="deg"/>
    <define name="PITCH_MIN_SETPOINT" value="-25" unit="deg"/>
    <define name="PITCH_PGAIN" value="20000."/>
    <define name="PITCH_DGAIN" value="1.5"/>
    <define name="ELEVATOR_OF_ROLL" value="2500"/>
    <define name="ROLL_ATTITUDE_GAIN" value="7400"/>
    <define name="ROLL_RATE_GAIN" value="200"/>
  </section>

  <section name="FAILSAFE" prefix="FAILSAFE_">
    <define name="DELAY_WITHOUT_GPS" value="3" unit="s"/>
    <define name="DEFAULT_THROTTLE" value="0.4" unit="%"/>
    <define name="DEFAULT_ROLL" value="15" unit="deg"/>
    <define name="DEFAULT_PITCH" value="0" unit="deg"/>
    <define name="HOME_RADIUS" value="90" unit="m"/>
  </section>

</airframe>

note - problems were due to:

• lack of gcc-arm-embedded (required for paparazzi >v5 on stm32)
• radio_control type=spektrum doesn't work in sim, see #503