basic support for GPS elements

tabs/osd.css

@@ -452,3 +452,7 @@ button {
         height: calc(100% - 30px);
     }
 }
+
+.osd__elements {
+    margin-bottom: 3em;
+}

tabs/osd.html

@@ -11,7 +11,7 @@
             <p class="note">Note that some flight controllers have an onboard <a href="https://www.youtube.com/watch?v=ikKH_6SQ-Tk" target="_blank">MinimOSD</a> that can be flashed and configured with <a href="https://github.com/ShikOfTheRa/scarab-osd/releases/latest" target="_blank">scarab-osd</a>, however the MinimOSD cannot be configured through this interface.</p>
         </div>
         <div class="supported hide">
-            <div class="cf_column third_left elements">
+            <div class="cf_column third_left osd__elements">
                 <div class="spacer_right">
                     <div class="gui_box grey">
                         <div

tabs/osd.js

@@ -402,6 +402,48 @@ OSD.constants = {
             default_position: -1,
             positionable: true,
             preview: '50W'
+        },
+        GPS_LON: {
+            name: 'LONGITUDE',
+            default_position: -1,
+            positionable: true,
+            preview: '14.7652'
+        },
+        GPS_LAT: {
+            name: 'LATITUDE',
+            default_position: -1,
+            positionable: true,
+            preview: '52.9872'
+        },
+        HOME_DIR: {
+            name: 'DIRECTION_TO_HOME',
+            default_position: -1,
+            positionable: true,
+            preview: '165'
+        },
+        HOME_DIST: {
+            name: 'DISTANCE_TO_HOME',
+            default_position: -1,
+            positionable: true,
+            preview: '300m'
+        },
+        HEADING: {
+            name: 'HEADING',
+            default_position: -1,
+            positionable: true,
+            preview: '175'
+        },
+        VARIO: {
+            name: 'VARIO',
+            default_position: -1,
+            positionable: true,
+            preview: '-'
+        },
+        VARIO_NUM: {
+            name: 'VARIO_NUM',
+            default_position: -1,
+            positionable: true,
+            preview: '2'
         }
     }
 };
@@ -433,6 +475,14 @@ OSD.chooseFields = function () {
         OSD.constants.DISPLAY_FIELDS.push(F.PITCH_PIDS);
         OSD.constants.DISPLAY_FIELDS.push(F.YAW_PIDS);
         OSD.constants.DISPLAY_FIELDS.push(F.POWER);
+
+        OSD.constants.DISPLAY_FIELDS.push(F.GPS_LON);
+        OSD.constants.DISPLAY_FIELDS.push(F.GPS_LAT);
+        OSD.constants.DISPLAY_FIELDS.push(F.HOME_DIR);
+        OSD.constants.DISPLAY_FIELDS.push(F.HOME_DIST);
+        OSD.constants.DISPLAY_FIELDS.push(F.HEADING);
+        OSD.constants.DISPLAY_FIELDS.push(F.VARIO);
+        OSD.constants.DISPLAY_FIELDS.push(F.VARIO_NUM);
     }
 
 };