stm32f407+DP83848C,和电脑ping不通,从抓包的来看,板子应答的arp包有丢失的字节,这究竟是怎么回事啊,搞了两周了,还是ping不通,太无语了,下面是我抓包的截图,另外还会出现链接时断时续的情况,这是无语
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