fix(bw212): main view sliders, omitted sensor count display (#5154)

radio/src/gui/212x64/model_telemetry.cpp

@@ -110,6 +110,18 @@ void onDeleteAllSensorsConfirm(const char * result)
   }
 }
 
+uint8_t getTelemetrySensorCount()
+{
+  uint8_t count = 0;
+
+  for (uint8_t index = 0; index <= MAX_TELEMETRY_SENSORS; index++) {
+    if (isTelemetryFieldAvailable(index)) {
+      count++;
+    }
+  }
+  return count;
+}
+
 void menuModelTelemetry(event_t event)
 {
   MENU(STR_MENUTELEMETRY, menuTabModel, MENU_MODEL_TELEMETRY, HEADER_LINE+ITEM_TELEMETRY_MAX, { HEADER_LINE_COLUMNS SENSORS_ROWS RSSI_ROWS VARIO_ROWS });
@@ -171,15 +183,22 @@ void menuModelTelemetry(event_t event)
 
     switch (k) {
       case ITEM_TELEMETRY_SENSORS_LABEL:
+      {
         telemExpandState.sensors = expandableSection(y, STR_TELEMETRY_SENSORS, telemExpandState.sensors, attr, event);
-        if (telemExpandState.sensors) {
+        uint8_t sensorCount = getTelemetrySensorCount();
+        if (sensorCount && !telemExpandState.sensors) {
+          lcdDrawChar(TELEM_COL3, y, '(', 0);
+          lcdDrawNumber(lcdNextPos, y, sensorCount, 0);
+          lcdDrawChar(lcdNextPos, y, ')', 0);
+        } else if (telemExpandState.sensors) {
           lcdDrawText(TELEM_COL2, y, STR_VALUE, 0);
           if (!g_model.ignoreSensorIds /*&& !IS_SPEKTRUM_PROTOCOL()*/) {
             lcdDrawText(TELEM_COL3, y, STR_ID, 0);
           }
         }
         break;
-
+      }
+      
       case ITEM_TELEMETRY_DISCOVER_SENSORS:
         lcdDrawText(INDENT_WIDTH, y, allowNewSensors ? STR_STOP_DISCOVER_SENSORS : STR_DISCOVER_SENSORS, attr);
         if (attr && event==EVT_KEY_BREAK(KEY_ENTER)) {

radio/src/gui/212x64/view_main.cpp

@@ -214,7 +214,7 @@ void drawSliders()
     if (!IS_SLIDER(i)) continue;
 #else
     // Skip POT3
-    if (i == 2) continue;
+    if (i == 2 && !IS_SLIDER(i)) continue;
 #endif
     
     coord_t x = _pot_slots[slot_idx++];