$sys/operation/${ProductId}/${DeviceName}。$sys/operation/result/${ProductId}/${DeviceName}。$sys/operation/${ProductId}/${DeviceName},请求平台下发 NTP 时间,同时设备端记录请求时间 deviceSendtime,请求消息为 json 格式,内容如下:{"type": "get","resource": ["time"]}
$sys/operation/result/${ProductId}/${DeviceName} 返回 NTP 时间,同时设备端记录接收时间 deviceRecvtime,返回消息为 json 格式,内容如下:{"type": "get","time": 1621562342,"ntptime1": 1621562342773,"ntptime2": 1621562342773}
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