USB 摄像头+远程遥控+中英的适配+topic的集成和状态的使用到相应页面
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@@ -2,22 +2,27 @@ import 'dart:typed_data';
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/// 极简化的 Codec:只负责中间那段变化的“负载数据”
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class MachineProtocolCodec {
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/// 仅封装 0x00 指令的数据部分 (Byte 3 到 Byte 10,共 8 字节)
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/// 仅封装 0x00 指令的数据部分(共 20 字节)
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///
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/// 协议变更(2026-10):左右轮速 short(int16) 改为线速度/角速度 double:
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/// - [0..7] linear float64 小端(线速度 m/s)
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/// - [8..15] angular float64 小端(角速度 rad/s)
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/// - [16] lift / [17] mower / [18] ignition / [19] emergency(不变)
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static Uint8List encodeRemoteControlPayload({
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required int left,
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required int right,
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required double linear,
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required double angular,
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int lift = 0,
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int mower = 0,
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int ignition = 0,
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int emergency = 0,
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}) {
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final bd = ByteData(8); // 只分配 8 字节
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final bd = ByteData(20); // 8 + 8 + 4 字节
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int pos = 0;
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bd.setInt16(pos, left, Endian.little);
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pos += 2;
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bd.setInt16(pos, right, Endian.little);
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pos += 2;
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bd.setFloat64(pos, linear, Endian.little);
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pos += 8;
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bd.setFloat64(pos, angular, Endian.little);
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pos += 8;
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bd.setUint8(pos++, lift);
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bd.setUint8(pos++, mower);
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bd.setUint8(pos++, ignition);
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