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叶紫薇

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[问答]

WINC1500本机堆栈-UDP LAN广播处理延迟

当将局域网单播UDP分组发送到WiC1500服务器时,该模块非常可靠地接收数据报。192.1681.255,模块丢弃了大量的数据报。我不知道为什么模块会在子网广播IP ADDR和单播过程中非常可靠地阻塞。我认为这是一个RF PHY层ACK问题。我正在测试WiC1500 FW V5.5.4以及95.2。这是可以治愈的。现在我没有办法实现任何类型的同步WiC1500为基础的LAN UDP系统W/本机栈,因为我不能让多播工作,我宁愿不使用一个时间同步方案使用单播数据报。

以上来自于百度翻译


      以下为原文

    When sending LAN unicast UDP packets to a WINC1500 server, the module receives the datagrams very reliably.

When sending subnet broadcasts (ex.. 192.168.1.255), the module drops a significant amount of the datagrams. I have no idea why the module would choke on a subnet broadcast IP addr and process unicast very reliably. I assume it's an RF PHY layer ACK issue or something. I'm testing WINC1500 FW v9.5.4 as well as 9.5.2.

Can this be cured somehow.

Right now I have no way to implement any type of isochronous WINC1500 based LAN UDP system w/ native stack since I can't get multicast to work and I'd rather not pursue a time sync scheme using unicast datagrams.

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