feat: add standalone factory test firmware
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# 班班硬件独立产测程序
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## 1. 目标和边界
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本分支提供独立于主业务程序的硬件产测固件。`ql-application/threadx/Makefile`
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只编译 `interface/factory_test`,不会启动原 `custom_app`、MQTT、WSS、FOTA、
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业务按键或业务 NFC 线程。
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产测固件复用 SDK 底层接口、ES8311 配置、DP1312EA 驱动和 Type A 读卡实现。
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测试结果通过 USB CDC 和调试串口输出。上位机只需解析以 `FT1 ` 开头的行,
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其他 SDK 调试信息可以忽略。
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默认通信参数:
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- USB CDC,115200 8N1;
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- 同一条协议也通过 `printf` 输出到调试日志;
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- 每条协议消息为一行 UTF-8/ASCII JSON,以 `\r\n` 结束;
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- 协议前缀固定为 `FT1 `,协议版本为 `1`。
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## 2. 测试流程
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```text
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长按电源键开机
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-> 等待音频子系统就绪
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-> ES8311 ID/初始化,设置所有播放音量为 100%
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-> 播放开机提示音
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-> 电源 ADC
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-> 按住对话键录音,松开后回放,最多录 5 秒
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-> 工人判断音质
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正常:按另一个按键三次
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异常:不再操作,60 秒后 KEY_TRIPLE 失败
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-> eSIM READY 和 ICCID
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-> 4G 注册、PDP 激活、获取 IPv4
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-> Ping 业务域名
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-> 前面全部通过后启用 NFC 测试
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-> 读取 NTAG213 UID
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-> 播放“全部测试通过”
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-> 播放关机提示音
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-> 输出最终报告
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-> 正常关机
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```
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任何节点失败后立即输出 `node_result=FAIL` 和 `session_result=FAIL`,随后停留在
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当前失败状态,不继续后续测试、不开放 NFC、也不自动关机。重新测试需要重新开机。
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## 3. 节点定义
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| ID | 名称 | 测试方法 | 通过条件 | 超时 |
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|---:|---|---|---|---:|
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| 0 | `BOOT_AUDIO` | 读取 ES8311 ID,初始化外置 Codec,播放 `U:/factory_boot_zh.mp3` | Codec ID 为 `0x83`,文件存在且播放结束 | 15 秒播放超时 |
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| 1 | `POWER_ADC` | 读取 6 次 VBAT,去掉最大值和最小值后平均 | `3500mV <= 平均值 <= 4200mV` | - |
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| 2 | `AUDIO_LOOPBACK` | 按住电源/对话键录音,松开后按原音量回放 | 录音和回放 API 成功且至少有一帧 PCM | 等待按键 60 秒,录音最长 5 秒 |
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| 3 | `KEY_TRIPLE` | GPIO84 按下并释放三次,每次输出进度 PASS | 60 秒内累计三次有效按键 | 60 秒 |
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| 4 | `ESIM` | 查询 SIM 状态并读取 ICCID | `READY`,ICCID 为 18-22 位十进制数字 | 30 秒 |
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| 5 | `DATA_CALL` | 等待注册、激活 CID 1 IPv4 PDP | 返回非 `0.0.0.0` 的 IPv4 | 注册等待 120 秒 |
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| 6 | `PING` | Ping `banban.api.talkingq.com` 3 次 | 至少收到 2 次回复 | 单包 4 秒,总等待 20 秒 |
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| 7 | `NFC` | 检查 DP1312EA 版本并轮询 NTAG213 | 版本 `0x82`,成功读取 UID | 60 秒 |
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说明:`AUDIO_LOOPBACK` 的软件通过仅代表数据链路完成。最终声学判断由工人完成;
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如果声音异常,工人不按三击键,随后 `KEY_TRIPLE` 超时,整机产测失败。这避免了
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上位机额外的人工确认按钮。
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## 4. 音频和文件系统接口
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固件只通过以下固定路径访问提示音:
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```text
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U:/factory_boot_zh.mp3
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U:/factory_pass_zh.mp3
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U:/factory_shutdown_zh.mp3
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```
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对应资源源目录为:
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```text
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audio_prompts/factory_test/customer_fs/
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```
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资源为 16kHz、单声道、48kbps MP3。代码不会下载提示音,也不会在运行时回退到
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业务网络资源。缺少开机提示音会返回 `1002`;最终提示音缺失或播放失败会返回
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`1801`,并禁止自动关机。
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本分支不生成、不覆盖 `ql-config/config/EG800AKCN_11LG/customer_fs.bin`。
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Windows 打包方法见 [factory_test_windows_fs.md](factory_test_windows_fs.md)。
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## 5. 上位机协议
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### 5.1 公共字段
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| 字段 | 说明 |
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|---|---|
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| `v` | 协议版本,当前为 1 |
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| `type` | `session_start`、`node_start`、`node_progress`、`node_result`、`session_result` 或 `power_off` |
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| `seq` | 本次开机内单调递增的消息序号 |
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| `session` | RTC 有效时使用时间生成,否则为 `BOOT-<uptime>` |
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| `uptime_ms` | 开机后的毫秒数,不依赖网络校时 |
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| `imei` | 模组 IMEI;读取失败时为空字符串 |
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| `iccid` | eSIM 节点通过后填写,此前为空字符串 |
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| `nfc_uid` | NFC 节点通过后填写,此前为空字符串 |
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| `code` / `fail_code` | 0 表示成功,非零值见失败码表 |
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| `elapsed_ms` | 单个节点耗时 |
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| `duration_ms` | 整次产测耗时 |
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### 5.2 会话开始
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```text
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FT1 {"v":1,"type":"session_start","seq":1,"session":"20260923-163010","uptime_ms":2050,"imei":"860123456789012","iccid":"","nfc_uid":"","fw":"FACTORY_TEST_1.0.0","ping_host":"banban.api.talkingq.com","start_time":"2026-09-23T16:30:10"}
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```
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RTC 无效时 `start_time` 为 `null`。RTC 无效不会导致产测失败;测试耗时始终以
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`uptime_ms` 为准。
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### 5.3 节点开始
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```text
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FT1 {"v":1,"type":"node_start","seq":2,"session":"20260923-163010","uptime_ms":2100,"imei":"860123456789012","iccid":"","nfc_uid":"","node":1,"name":"POWER_ADC"}
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```
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### 5.4 ADC 通过
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```text
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FT1 {"v":1,"type":"node_result","seq":3,"session":"20260923-163010","uptime_ms":2450,"imei":"860123456789012","iccid":"","nfc_uid":"","node":1,"name":"POWER_ADC","result":"PASS","code":0,"elapsed_ms":350,"data":{"voltage_mv":3865,"sample_min_mv":3858,"sample_max_mv":3873,"limit_min_mv":3500,"limit_max_mv":4200}}
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```
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### 5.5 三击按键进度
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每次完整按下并释放都输出一条 `node_progress`:
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```text
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FT1 {"v":1,"type":"node_progress","seq":8,"session":"20260923-163010","uptime_ms":12300,"imei":"860123456789012","iccid":"","nfc_uid":"","node":3,"name":"KEY_TRIPLE","result":"PASS","data":{"current":1,"required":3}}
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```
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第三次松开后再输出正式的 `node_result=PASS`。
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### 5.6 网络和 Ping
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```text
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FT1 {"v":1,"type":"node_result","seq":14,"session":"20260923-163010","uptime_ms":28000,"imei":"860123456789012","iccid":"89860xxxxxxxxxxxxxxx","nfc_uid":"","node":5,"name":"DATA_CALL","result":"PASS","code":0,"elapsed_ms":8200,"data":{"ip":"10.23.45.67","ip_type":"IPv4"}}
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```
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```text
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FT1 {"v":1,"type":"node_result","seq":16,"session":"20260923-163010","uptime_ms":31500,"imei":"860123456789012","iccid":"89860xxxxxxxxxxxxxxx","nfc_uid":"","node":6,"name":"PING","result":"PASS","code":0,"elapsed_ms":3400,"data":{"host":"banban.api.talkingq.com","sent":3,"received":3,"lost":0,"avg_rtt_ms":86}}
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```
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### 5.7 NFC 和最终报告
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```text
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FT1 {"v":1,"type":"node_result","seq":18,"session":"20260923-163010","uptime_ms":34000,"imei":"860123456789012","iccid":"89860xxxxxxxxxxxxxxx","nfc_uid":"04A1B2C3D4E5F6","node":7,"name":"NFC","result":"PASS","code":0,"elapsed_ms":1900,"data":{"chip_version":"0x82","uid":"04A1B2C3D4E5F6"}}
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```
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最终报告包含 IMEI、ICCID、NFC UID、失败码、开始时间、总耗时和全部节点状态:
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```text
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FT1 {"v":1,"type":"session_result","seq":19,"session":"20260923-163010","uptime_ms":40120,"result":"PASS","fail_code":0,"imei":"860123456789012","iccid":"89860xxxxxxxxxxxxxxx","nfc_uid":"04A1B2C3D4E5F6","start_time":"2026-09-23T16:30:10","duration_ms":38070,"nodes":{"BOOT_AUDIO":"PASS","POWER_ADC":"PASS","AUDIO_LOOPBACK":"PASS","KEY_TRIPLE":"PASS","ESIM":"PASS","DATA_CALL":"PASS","PING":"PASS","NFC":"PASS"}}
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```
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上位机收到 `power_off` 后应立即落盘本次记录:
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```text
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FT1 {"v":1,"type":"power_off","seq":20,"session":"20260923-163010","uptime_ms":40150,"imei":"860123456789012","iccid":"89860xxxxxxxxxxxxxxx","nfc_uid":"04A1B2C3D4E5F6","code":0}
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```
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## 6. 失败码
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| 失败码 | 含义 |
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|---:|---|
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| 0 | 成功 |
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| 1001 | ES8311 初始化或设备 ID 检查失败 |
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| 1002 | 开机提示音文件不存在 |
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| 1003 | 开机提示音播放失败或超时 |
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| 1101 | ADC 初始化或读取失败 |
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| 1102 | 电压低于 3500mV |
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| 1103 | 电压高于 4200mV |
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| 1201 | 录音句柄或 160KB 缓冲区创建失败 |
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| 1202 | 没有录到一帧有效 PCM |
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| 1203 | PCM 回放失败 |
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| 1204 | 60 秒内未按下对话键 |
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| 1301 | 音质异常未继续,或 60 秒内未完成三击 |
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| 1401 | eSIM 未进入 READY |
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| 1402 | ICCID 读取失败 |
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| 1403 | ICCID 长度或字符格式错误 |
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| 1501 | 4G 网络注册超时 |
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| 1502 | IPv4 PDP 激活失败 |
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| 1503 | 未获取有效 IPv4 地址 |
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| 1601 | Ping 上下文或同步对象创建失败 |
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| 1602 | Ping 启动或等待回调失败 |
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| 1603 | 3 包中收到少于 2 包 |
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| 1701 | 前置节点未全部通过,NFC 锁定 |
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| 1702 | DP1312EA 版本寄存器不是 `0x82` |
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| 1703 | 60 秒内没有成功刷卡 |
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| 1704 | NFC UID 无效(预留) |
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| 1801 | 最终通过/关机提示音播放失败 |
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| 1802 | 正常关机接口返回(理论上不应返回) |
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## 7. 代码位置和可调参数
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- `interface/factory_test/factory_test.c`:顺序状态机和具体测试;
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- `interface/factory_test/factory_audio.c`:ES8311、100% 音量、MP3、录音回放;
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- `interface/factory_test/factory_protocol.c`:FT1 JSON 日志;
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- `interface/factory_test/factory_test.h`:阈值、超时、业务域名、GPIO 和文件路径;
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- `interface/factory_test/Makefile`:独立产测编译单元。
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修改 Ping 地址时只需修改 `FT_PING_HOST`。ADC 阈值、按键超时和 NFC 超时也集中在
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`factory_test.h`。GPIO84 是第二个按键,GPIO68 是功放控制;产测代码不会把 GPIO68
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当作 LED,也不会把 GPIO86 当作红色 LED,避免和 NFC 复位冲突。
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## 8. 上板前检查
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1. 确认 PCB 上对话键确实连接模组 PWRKEY,第二按键连接 GPIO84。
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2. 确认 GPIO68 为 NS4150B `PA_CTL`,GPIO86 为 NFC Reset。
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3. 将三段 MP3 打入 U 盘文件系统,不能只更新 APP。
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4. 首板先观察 ES8311 ID、ADC 原始值、IP 和 DP1312EA 版本日志。
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5. 上位机只把 `FT1 ` 行作为协议消息,SDK 的普通 `printf` 不应进入数据库。
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