WSCommModifyService/doc/protocol.txt

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监听端口
前端发送到服务端
{
  "cmd": "InitMonitor",
  "port": 1
}
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停止监听
前端发送到服务端
{
  "cmd": "StopPort",
  "port": 1
}
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读数据
前端发送到服务端
{
  "cmd": "ReadData",
  "port": 1,
  "data": "11 22 33"
}
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写数据
前端发送到服务端
{
  "cmd": "WriteData",
  "port": 1,
  "data": "11 22 33"
}
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以下是四个控件监听事件

读到的数据
服务器发送到前端
{
  "cmd": "OP_READ",
  "port": 1,
  "data": "11 22 33"
}

写到的数据
服务器发送到前端
{
  "cmd": "OP_WRITE",
  "port": 1,
  "data": "11 22 33"
}

监听端口
服务器发送到前端
{
  "cmd": "OP_OPEN",
  "port": 1,
}

停止监听
服务器发送到前端
{
  "cmd": "OP_CLOSE",
  "port": 1,
}
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