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ble.drawio
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ble.drawio
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<mxCell id="4Q__4F4uSHIKYperc5K1-21" value="<ul><li>1. 重新链接</li><li><span style="background-color: initial;">2. 重新扫描，再链接</span></li><li><span style="background-color: initial;">3. 重启手机蓝牙，再扫描，再链接</span><br></li><li><span style="background-color: initial;">4. 重启蓝牙设备</span></li></ul>" style="text;strokeColor=none;fillColor=none;html=1;whiteSpace=wrap;verticalAlign=middle;overflow=hidden;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-29" value="BLE 读写 Attribution 相对简单， 不再赘述" style="whiteSpace=wrap;html=1;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-31" value="参考涂鸦的设计即可" style="whiteSpace=wrap;html=1;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-32" value="<ul><li>BLE 状态监听最好能补上超时机制<br></li></ul>" style="text;strokeColor=none;fillColor=none;html=1;whiteSpace=wrap;verticalAlign=middle;overflow=hidden;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-33" value="BLE 订阅" style="text;strokeColor=none;fillColor=none;html=1;fontSize=24;fontStyle=1;verticalAlign=middle;align=center;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-34" value="由于硬件开发，喜欢用透传的方式和手机打交道。<br>所以必须依靠发布订阅，去区分消息" style="rounded=0;whiteSpace=wrap;html=1;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-35" value="<ul><li>BLE 蓝牙读写 最好不要并行处理，确保当前时刻只有一个指令在执行， 否则有可能有需要解决粘包、拆包问题。</li></ul>" style="text;strokeColor=none;fillColor=none;html=1;whiteSpace=wrap;verticalAlign=middle;overflow=hidden;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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<mxCell id="4Q__4F4uSHIKYperc5K1-36" value="<ul><li style="border-color: var(--border-color);">小程序在订阅后，不能立即写数据，所以最好有个delay机制，指令有时间间隔，可以通过队列的方式实现</li><li style="border-color: var(--border-color);">蓝牙收发消息不要过快，容易触发硬件工程师的代码BUG</li><li style="border-color: var(--border-color);">要有超时机制，硬件主动Push 消息可能会影响到你发送的指令，导致返回值没有接收到</li></ul>" style="text;strokeColor=none;fillColor=none;html=1;whiteSpace=wrap;verticalAlign=middle;overflow=hidden;" parent="WIyWlLk6GJQsqaUBKTNV-1" vertex="1">
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