Partly fixes #1861

companion/src/eeprominterface.h

@@ -970,7 +970,7 @@ class SensorData {
     unsigned int gps;
     unsigned int alt;
 
-    bool isAvailable() const { return type==TYPE_CALCULATED || id!=0 || instance!=0; }
+    bool isAvailable() const { return strlen(label) > 0; }
     void updateUnit();
     QString unitString() const;
     void clear() { memset(this, 0, sizeof(SensorData)); }

companion/src/modeledit/telemetry.cpp

@@ -337,20 +337,25 @@ void TelemetryCustomScreen::populateTelemetrySourceCB(QComboBox *b, unsigned int
 {
   b->clear();
 
-  b->addItem(RawSource(SOURCE_TYPE_NONE, 0).toString(model));
-
-  for (unsigned int i = 0; i < (last ? TELEMETRY_SOURCES_STATUS_COUNT : TELEMETRY_SOURCES_DISPLAY_COUNT); i++) {
-    b->addItem(RawSource(SOURCE_TYPE_TELEMETRY, i).toString(model));
-    if (!firmware->isTelemetrySourceAvailable(i)) {
-      // disable item
-      QModelIndex index = b->model()->index(i+1, 0);
-      QVariant v(0);
-      b->model()->setData(index, v, Qt::UserRole - 1);
-    }
+  if (IS_ARM(firmware->getBoard())) {
+    // TODO
   }
+  else {
+    b->addItem(RawSource(SOURCE_TYPE_NONE, 0).toString(model));
 
-  b->setCurrentIndex(value);
-  b->setMaxVisibleItems(10);
+    for (unsigned int i = 0; i < (last ? TELEMETRY_SOURCES_STATUS_COUNT : TELEMETRY_SOURCES_DISPLAY_COUNT); i++) {
+      b->addItem(RawSource(SOURCE_TYPE_TELEMETRY, i).toString(model));
+      if (!firmware->isTelemetrySourceAvailable(i)) {
+        // disable item
+        QModelIndex index = b->model()->index(i+1, 0);
+        QVariant v(0);
+        b->model()->setData(index, v, Qt::UserRole - 1);
+      }
+    }
+
+    b->setCurrentIndex(value);
+    b->setMaxVisibleItems(10);
+  }
 }
 
 TelemetryCustomScreen::~TelemetryCustomScreen()
@@ -605,7 +610,7 @@ void TelemetrySensorPanel::on_name_editingFinished()
 {
   if (!lock) {
     strcpy(sensor.label, ui->name->text().toAscii());
-    update();
+    emit nameModified();
     emit modified();
   }
 }
@@ -678,6 +683,7 @@ TelemetryPanel::TelemetryPanel(QWidget *parent, ModelData & model, GeneralSettin
       TelemetrySensorPanel * panel = new TelemetrySensorPanel(this, model.sensorData[i], model, generalSettings, firmware);
       ui->sensorsLayout->addWidget(panel);
       sensorPanels[i] = panel;
+      connect(panel, SIGNAL(nameModified()), this, SLOT(update()));
     }
   }
   else {

companion/src/modeledit/telemetry.h

@@ -87,6 +87,9 @@ class TelemetrySensorPanel: public ModelPanel
     ~TelemetrySensorPanel();
     void update();
 
+  signals:
+    void nameModified();
+
   protected slots:
     void on_name_editingFinished();
     void on_type_currentIndexChanged(int index);

radio/src/myeeprom.h

@@ -1240,8 +1240,8 @@ PACK(typedef struct {
   };
   void init(const char *label, uint8_t unit=UNIT_RAW, uint8_t prec=0);
   void init(uint16_t id);
+  bool isAvailable();
   int32_t getValue(int32_t value, uint8_t unit, uint8_t prec) const;
-
 }) TelemetrySensor;
 #endif
 

radio/src/telemetry/telemetry.cpp

@@ -445,7 +445,7 @@ int availableTelemetryIndex()
 {
   for (int index=0; index<TELEM_VALUES_MAX; index++) {
     TelemetrySensor & telemetrySensor = g_model.telemetrySensors[index];
-    if (telemetrySensor.id == 0 && telemetrySensor.type == 0) {
+    if (!telemetrySensor.isAvailable()) {
       return index;
     }
   }
@@ -483,6 +483,11 @@ void TelemetrySensor::init(uint16_t id)
   init(label);
 }
 
+bool TelemetrySensor::isAvailable()
+{
+  return ZLEN(label) > 0;
+}
+
 int32_t convertTelemetryValue(int32_t value, uint8_t unit, uint8_t prec, uint8_t destUnit, uint8_t destPrec)
 {
   for (int i=prec; i<destPrec; i++)

radio/src/telemetry/telemetry.h

@@ -167,7 +167,7 @@ extern TelemetryItem telemetryItems[TELEM_VALUES_MAX];
 inline bool isTelemetryFieldAvailable(int index)
 {
   TelemetrySensor & sensor = g_model.telemetrySensors[index];
-  return sensor.type == TELEM_TYPE_CALCULATED || sensor.id != 0;
+  return sensor.isAvailable();
 }
 
 inline bool isTelemetryFieldComparisonAvailable(int index)