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docs(vd_960): 同步 BLE 协议索引 V1.02 + 技术规格书协议矩阵补 BLE 快照命令

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- README 协议文档索引: DLD960_BLE协议.md V1.00 -> V1.02, 描述补 SNAP_STAT/QUERY/CLEAR (0x28/0x29/0x2A)
- DLD960_技术规格书.md 5.1 协议矩阵: 补 DLD960 BLE 协议行 (V1.02, 脱机日志 + 传感快照)
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2026-08-14 10:13:35 +08:00
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docs/DLD960_技术规格书.md
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@@ -108,6 +108,7 @@ DLD960 是一款基于环形线圈（LC 振荡）检测原理的四通道车辆
| DLD960 TCP JSON 协议 | V1.02 | ETH :5960 | 密码鉴权 + 18 条命令；event_report 客户端必答（5s×3 重发）；脱机日志 log_stat/log_query/log_clear |
| DLD960 IoT MQTT 协议 | V1.06 | ETH → Broker | 双主题 `dld960/{sn}/srv`+`/dev`；initialize 上线、loop_data 三档调度、event_report 平台必答、设备时钟同步、脱机日志 log_stat/log_query/log_clear |
| DLD960Loop 串口协议 | V1.05 | MCU 间（内部） | 0x7F 帧、0xC0 传感上报（variation 3B 有符号） |
| DLD960 BLE 协议 | V1.02 | 蓝牙 BLE | 帧格式 + 分包；脱机日志 OFFLOG_STAT/QUERY/CLEAR + 传感快照 SNAP_STAT/QUERY/CLEAR（0x28/0x29/0x2A），与 MQTT/TCP 同语义 |
### 5.2 数据上报能力