drone status menue with status and critical event log implemented

app/lib/transport/flight_controller_link.dart

@@ -35,6 +35,8 @@ class TelemetryFrame {
     required this.headingDeg,
     required this.armed,
     required this.batteryPercent,
+    required this.batteryVoltage,
+    required this.currentA,
     required this.linkQuality,
     required this.snrDb,
     required this.hdop,
@@ -65,6 +67,14 @@ class TelemetryFrame {
   /// Akku-Ladestand in Prozent (0-100).
   final int batteryPercent;
 
+  /// Akkuspannung in Volt (siehe parseMspInavAnalogVoltage in
+  /// msp_telemetry_codec.dart).
+  final double batteryVoltage;
+
+  /// Aktuelle Stromaufnahme in Ampere (siehe parseMspInavAnalogAmperage in
+  /// msp_telemetry_codec.dart).
+  final double currentA;
+
   /// Empfaenger-Linkqualitaet in Prozent (0-100).
   final int linkQuality;
 

app/lib/transport/mock/mock_flight_controller_link.dart

@@ -95,6 +95,11 @@ class MockFlightControllerLink implements FlightControllerLink {
         headingDeg: _heading,
         armed: _armed,
         batteryPercent: _batteryPercent.round(),
+        // 6S-Akku (22.2V nominal), Spannung sinkt mit dem Mock-Ladestand
+        // mit, damit auch die neue Statusanzeige (Doku: "Drone battery
+        // Voltage") auf Werteaenderungen reagiert.
+        batteryVoltage: 18.0 + (_batteryPercent / 100) * 6.0,
+        currentA: 12.5,
         linkQuality: 95,
         snrDb: 9,
         hdop: 0.9,

app/lib/transport/msp/msp_telemetry_codec.dart

@@ -138,6 +138,20 @@ MspNavMode parseMspNavMode(Uint8List payload) {
 /// 0-100 berechnet, siehe [MspCommands.inavAnalog]).
 int parseMspInavAnalogBatteryPercent(Uint8List payload) => payload[21];
 
+/// Parst die `MSP2_INAV_ANALOG`-Antwort und liefert die Akkuspannung in Volt
+/// (Offset 1, u16 in 0.01V-Schritten - `battery.c`: `static uint16_t vbat`,
+/// Kommentar "battery voltage in 0.01V steps", siehe [MspCommands.inavAnalog]).
+double parseMspInavAnalogVoltage(Uint8List payload) =>
+    ByteData.sublistView(payload).getUint16(1, Endian.little) / 100.0;
+
+/// Parst die `MSP2_INAV_ANALOG`-Antwort und liefert die aktuelle
+/// Stromaufnahme in Ampere (Offset 3, `fc_msp.c`: `sbufWriteU16(dst,
+/// getAmperage())` - "send amperage in 0.01 A steps", `getAmperage()` selbst
+/// liefert `int16_t`, deshalb vorzeichenbehaftet gelesen, siehe
+/// [MspCommands.inavAnalog]).
+double parseMspInavAnalogAmperage(Uint8List payload) =>
+    ByteData.sublistView(payload).getInt16(3, Endian.little) / 100.0;
+
 /// Parst die `MSP2_INAV_GET_LINK_STATS`-Antwort und liefert die
 /// Empfaenger-Linkqualitaet in Prozent (Offset 1, `rxLinkStatistics.uplinkLQ`
 /// - bereits 0-100, siehe [MspCommands.inavLinkStats]).

app/lib/transport/msp/msp_telemetry_poller.dart

@@ -39,6 +39,8 @@ class MspTelemetryPoller {
   bool _armed = false;
   int? _activeWaypointIndex;
   int _batteryPercent = 0;
+  double _batteryVoltage = 0;
+  double _currentA = 0;
   int _linkQuality = 0;
   int _snrDb = 0;
   int _navMode = 0;
@@ -86,9 +88,10 @@ class MspTelemetryPoller {
       final navMode = parseMspNavMode(navStatusPayload);
       _navMode = navMode.mode;
       _flightMode = navMode.formatted;
-      _batteryPercent = parseMspInavAnalogBatteryPercent(
-        await _client.request(MspCommands.inavAnalog),
-      );
+      final analogPayload = await _client.request(MspCommands.inavAnalog);
+      _batteryPercent = parseMspInavAnalogBatteryPercent(analogPayload);
+      _batteryVoltage = parseMspInavAnalogVoltage(analogPayload);
+      _currentA = parseMspInavAnalogAmperage(analogPayload);
       final linkStatsPayload = await _client.request(MspCommands.inavLinkStats);
       _linkQuality = parseMspLinkQuality(linkStatsPayload);
       _snrDb = parseMspLinkStatsSnr(linkStatsPayload);
@@ -105,6 +108,8 @@ class MspTelemetryPoller {
         headingDeg: gps.headingDeg,
         armed: _armed,
         batteryPercent: _batteryPercent,
+        batteryVoltage: _batteryVoltage,
+        currentA: _currentA,
         linkQuality: _linkQuality,
         snrDb: _snrDb,
         hdop: gps.hdop,