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