176 lines
3.1 KiB
Markdown
176 lines
3.1 KiB
Markdown
# 边缘盒子
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topic 中的 `location` 指景区编码， `point` 指景区内具体点位
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## 1. 接收启动
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Topic: `server/${location}/${point}/play`
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Payload:
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```json lines
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{
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// 设备超时时长(s)
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"timeout": 30,
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// 是否需要整体电源控制
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"power": true,
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// 游戏中背景音乐(支持 file:// 本地文件地址、 http(s):// 远程文件地址)
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"bgm": "",
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// 整体设备音量(0-1)
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"volume": 0.5,
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// 屏幕默认打印(设备待机时展示文本)
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"default-print": "",
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// 文本转语音整体控制
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"tts": {
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// 开始播报语音
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"start": "",
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// 超时自动停止时播报语音
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"timeout": "",
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// 结束播报语音
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"end": "",
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// 终止播报语音
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"stop": "",
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// 固定节点播报语音
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"timer": [
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{
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// 时间节点(s)
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"time": 10,
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// 语音文字
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"value": ""
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},
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...
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]
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},
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// 屏幕打印控制
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"print": [
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{
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// 时间节点(s)
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"time": 10,
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// 展示文字
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"text": "",
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// 持续时长(s)
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"duration": 10
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},
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...
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],
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// 根据具体游戏特定
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"game": {}
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}
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```
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[游戏节点报文](./game.md)
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#### 例: 入口欢迎播报
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```json lines
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{
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"volume": 1,
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"tts": {
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"start": "欢迎前来挑战！"
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}
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}
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```
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## 2. 事件反馈
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### 状态变更
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Topic: `device/${location}/${point}/status`
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Payload:
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```text
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0
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```
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> 0 待机; 1 使用中; -1 状态异常
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## 3. 接收指令
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### 终止
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Topic: `server/${location}/${point}/command`
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Payload:
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```text
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stop
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```
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### 终止后台
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Topic: `server/${location}/${point}/command`
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Payload:
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```text
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stop-bg
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```
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### 查询状态
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Topic: `server/${location}/${point}/command`
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Payload:
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```text
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status
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```
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> 设备接收到该指令会立即向 `device/${location}/${point}/status` 发送一次当前状态
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## 4. 待机执行
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Topic: `server/${location}/${point}/wait`
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Payload:
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```json lines
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{
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// 执行的时间区间(需要系统配置正确时区)
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"cron": "17:20-21:35 1-5 * *",
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// 执行项
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"items": [
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{
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// 执行的时间区间
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"cron": "17:20-21:35 1-5 * *",
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// 间隔时间(s), 类型>2时, 该项无效, default 0
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"interval": 0,
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// 事件类型(0: 音频; 1: 视频; 2: TTS; 3: 继电器; 4: 网页), default 0
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"type": 2,
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// 事件数据(TTS为文字, 继电器为端口号, 其他都为地址链接。支持 file:// 本地文件地址、 http(s):// 远程文件地址)
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"data": "",
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},
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...
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]
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}
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```
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> 同一个类型的待机任务只能有一个，当有新的任务到达时会覆盖之前的任务
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### 配置时区
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```bash
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sudo timedatectl set-timezone Asia/Shanghai
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```
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### Cron Format
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The format consists of four fields separated by whitespace:
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```
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time dow dom month
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```
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Where:
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- `time`: Time range in 24-hour format (HH:MM[:SS]-HH:MM[:SS]) or * for all day. Seconds are optional.
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- `dow`: Day of week (0-6, where 0=Sunday)
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- `dom`: Day of month (1-31)
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- `month`: Month (1-12)
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Multiple rules can be combined using semicolons (;).
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Each field (except time) supports:
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- Single values: "5"
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- Lists: "1,3,5"
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- Ranges: "1-5"
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- Asterisk: "*" for any/all values
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