fgdata/Input/Event/GoFlight/GF46.xml

<PropertyList>

  <name>GoFlight GF-46</name>
  <debug-events type="bool">false</debug-events>

<nasal>
  <open>
    <![CDATA[

    var transponderNode = props.globals.getNode("/instrumentation/transponder/id-code", 1);
    var modeNode = props.globals.getNode("/instrumentation/transponder/inputs/knob-mode", 1);
    var identNode = props.globals.getNode("/instrumentation/transponder/inputs/ident-btn", 1);
    var brightnessNode = props.globals.getNode("/input/goflight/gf46/brightness", 8);

    var formatTransponder = func(squawk)
    {
      var s = sprintf("%04d  ", squawk);
      return goflight.reverseBytes(goflight.bytesForString(s, 6));
    }

    var displaySevenSegment = func() {
      if (modeNode.getValue() == 0) {
        # OFF, blank display
        return goflight.bytesForString("      ", 6);
      }
      return formatTransponder(transponderNode.getValue());
    }

    var modeNames = ['OFF ', 'STBY', 'TEST', 'XPDR', ' TA ', 'TARA'];
    var displayFourteenSegment = func() {
      var mode = modeNode.getValue();
      return goflight.formatFourteenSegment(modeNames[mode], 4);
    }
 
    var powerOfTen = [1, 10, 100, 1000];
    var powerOfEight = [1, 8, 64, 512];

    # adapted from gui/dialogs/radios.xml
    var extractDigit = func(code, index) {
      return math.mod(code / powerOfTen[index], 10);
    }

    var extractOctal = func(code, index) {
      return math.mod(code / powerOfEight[index], 8);
    }

    var adjustIdCode = func(offset) {
      var code = transponderNode.getValue();

      # convert ID code to decimal
      var decCode = 0;
      for (var i=0; i<3; i +=1) {
        decCode += extractDigit(code, i) * powerOfEight[i];
      }

      # apply offset and clamp
      decCode = math.clamp(decCode + offset, 0, 4095);

      # convert back to octal-as-decimal
      code = 0;
      for (var i=0; i<3; i +=1) {
        code += extractOctal(decCode, i) * powerOfTen[i];
      }

      transponderNode.setIntValue(code);
    }
 
    ]]>
  </open>
</nasal>


<!--
adding item:rel-dial, bits: 0:8, report=1
adding item:rel-dial-1, bits: 8:8, report=1
adding item:button-1, bits: 16:1, report=1
adding item:undefined-0, bits: 17:1, report=1
adding item:undefined-0-1, bits: 18:1, report=1
adding item:undefined-0-2, bits: 19:1, report=1
adding item:undefined-0-3, bits: 20:1, report=1
adding item:undefined-0-4, bits: 21:1, report=1
adding item:undefined-0-5, bits: 22:1, report=1
adding item:undefined-0-6, bits: 23:1, report=1


adding item:undefined-0-5, bits: 22:1, report=1
adding item:undefined-0-6, bits: 23:1, report=1
Unhandled HID alphanumeric usage:54
adding item:unknown, bits: 0:4, report=2
Unhandled HID alphanumeric usage:53
adding item:unknown-1, bits: 4:4, report=2
Unhandled HID alphanumeric usage:69
adding item:unknown-2, bits: 8:1, report=2
adding item:undefined-0-7, bits: 9:1, report=2
adding item:undefined-0-8, bits: 10:1, report=2
adding item:undefined-0-9, bits: 11:1, report=2
adding item:undefined-0-10, bits: 12:1, report=2
adding item:undefined-0-11, bits: 13:1, report=2
adding item:undefined-0-12, bits: 14:1, report=2
adding item:undefined-0-13, bits: 15:1, report=2
adding item:display-data, bits: 0:16, report=3
adding item:display-data-1, bits: 16:16, report=3
adding item:display-data-2, bits: 32:16, report=3
adding item:display-data-3, bits: 48:16, report=3
Unhandled HID alphanumeric usage:54
adding item:unknown-3, bits: 0:4, report=4
Unhandled HID alphanumeric usage:53
adding item:unknown-4, bits: 4:4, report=4
Unhandled HID alphanumeric usage:67
adding item:unknown-5, bits: 8:1, report=4

-->
  <event>
    <name>rel-dial-0</name>
    <binding>
      <command>nasal</command>
      <script>adjustIdCode(cmdarg().getNode("setting").getValue())</script>
    </binding>

    <interpolater>
        <mirrored type="bool">true</mirrored>
      <entry><ind>0</ind><dep>0</dep></entry>
      <entry><ind>1</ind><dep>1</dep></entry>
      <entry><ind>2</ind><dep>10</dep></entry>
      <entry><ind>3</ind><dep>100</dep></entry>
      <entry><ind>4</ind><dep>1000</dep></entry>
    </interpolater>
  </event>

<event>
  <name>rel-dial-1</name>
  <binding>
    <command>property-adjust</command>
    <property>/instrumentation/transponder/inputs/knob-mode</property>
    <min>0</min>
    <max>5</max>
  </binding>
</event>

 <report>
  <report-id type="int">3</report-id>
  <watch>/instrumentation/transponder/inputs/knob-mode</watch>
  <nasal-function>displayFourteenSegment</nasal-function>
</report>

<report>
  <report-id type="int">5</report-id>
  <watch>/instrumentation/transponder/id-code</watch>
  <watch>/instrumentation/transponder/inputs/knob-mode</watch>
  <nasal-function>displaySevenSegment</nasal-function>
</report>  

  <event>
    <name>display-brightness</name>
    <setting>
      <property>/input/goflight/gf46/brightness</property>
    </setting>
  </event>

  <event>
    <desc>Ident</desc>
    <name>button-1</name>
    <binding>
      <command>nasal</command>
      <script>identNode.setBoolValue(1);</script>
    </binding>
    <mod-up>
        <binding>
          <command>nasal</command>
          <script>identNode.setBoolValue(0);</script>
      </binding>
      </mod-up>
  </event>

</PropertyList>