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feat(vd960DBN): BLE 读取脱机日志 — OFFLOG_STAT/QUERY/CLEAR (0x25/0x26/0x27)

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蓝牙通道补齐脱机日志读取 (此前仅 MQTT V1.06 / TCP JSON V1.02 有 log_* 命令):
- 3 条 BLE 命令, 语义对齐 MQTT log_stat/log_query/log_clear
- QUERY 直接传 32B OfflogEvt 原始结构 (二进制协议, 无需 JSON), 复用
  idx = start_seq - seq_first 定位, 不新增 offlog API
- 缓冲扩容: MAX_BLE_TMP_BUF_LEN 100→132, 新增 MAX_BLE_DAT_BUF_LEN=132
  (QUERY 响应 1+4x32B=129B), clear_buf_dbn_ble_all memset 同步
- 新协议文档 docs/DLD960_BLE协议.md V1.00 (帧格式+分包+命令+记录结构)
- 隔离测试 test_ble_offlog.c 嵌入源文件 3 case 真实文本, 7 例全过;
  offlog 回归 8 例 ALL PASS
- devlog V4.0; README 协议矩阵补 BLE 行
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wangfq
2026-08-10 14:24:20 +08:00
parent 5ebd8247f0
commit d6174b9d3f
8 changed files with 576 additions and 4 deletions
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README.md
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@@ -60,6 +60,7 @@ DLD960 是一款基于环形线圈检测原理的四通道车辆检测器，支
| [DLD960_串口通信协议.md](docs/DLD960_串口通信协议.md) | V1.01 | 整机 TTL 串口 | 设备管理、参数配置、数据上报 |
| [DLD960_TCP_JSON协议.md](docs/DLD960_TCP_JSON协议.md) | V1.02 | 以太网 TCP :5960 | 鉴权 + 命令 + event_report 客户端必答 + 脱机日志 |
| [DLD960_IoT_MQTT协议.md](docs/DLD960_IoT_MQTT协议.md) | V1.06 | 云平台 MQTT | 双主题 `{sn}/srv`+`{sn}/dev`、initialize、event_report 平台必答、设备时钟同步、脱机日志 |
| [DLD960_BLE协议.md](docs/DLD960_BLE协议.md) | V1.00 | 蓝牙 BLE | 帧格式 + 分包 + 脱机日志命令（OFFLOG_STAT/QUERY/CLEAR，与 MQTT/TCP 同语义） |
| [DLD960硬件资源.md](docs/DLD960硬件资源.md) | — | 硬件 | 双 MCU IO 分配、继电器、指示灯、拨码 |
## 开发文档