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---初步待使用

lib/features/devices/data/models/route_plan_send_entity.dart

@@ -0,0 +1,38 @@
+// lib/features/devices/data/models/route_plan_send_entity.dart
+import 'dart:typed_data'; // ✅ 必须添加
+
+class RoutePlanSendEntity {
+  final int commandType;
+  final int pointCounts;
+  final double targetLatitude;
+  final double targetLongitude;
+  final int speed;
+
+  RoutePlanSendEntity({
+    required this.commandType,
+    required this.pointCounts,
+    required this.targetLatitude,
+    required this.targetLongitude,
+    required this.speed,
+  });
+
+
+  List<int> toBytes() {
+    final bytes = <int>[];
+    bytes.add(commandType);
+    bytes.addAll(_shortToBytes(pointCounts));
+    bytes.addAll(_doubleToBytes(targetLatitude));
+    bytes.addAll(_doubleToBytes(targetLongitude));
+    bytes.addAll(_shortToBytes(speed));
+    return bytes;
+  }
+
+  List<int> _shortToBytes(int value) {
+    return [(value >> 8) & 0xFF, value & 0xFF];
+  }
+
+  List<int> _doubleToBytes(double value) {
+    final byteData = ByteData(8)..setFloat64(0, value);
+    return byteData.buffer.asUint8List();
+  }
+}