LPC MicrocontrollersのトピックLWIP phy problem https://community.nxp.com/t5/LPC-Microcontrollers/LWIP-phy-problem/m-p/981294#M38737 <HTML><HEAD></HEAD><BODY><P>MCU: LPC4333</P><P></P><P>Harware is custom.</P><P></P><P>I'm trying to get my DP83848 ethernet phy to work in RMII mode based on the lwip_tcpecho example.</P><P></P><P>The link status is good and the&nbsp;PHY_LINK_CONNECTED bit is set.</P><P></P><P>lpc_low_level_input() returns NULL because the descriptor is still owned by DMA</P><P>So no packets get received.</P><P>Has anyone else had similar issues ?&nbsp;</P></BODY></HTML> Wed, 27 Nov 2019 15:52:11 GMT winpennyjh 2019-11-27T15:52:11Z LWIP phy problem https://community.nxp.com/t5/LPC-Microcontrollers/LWIP-phy-problem/m-p/981294#M38737 <HTML><HEAD></HEAD><BODY><P>MCU: LPC4333</P><P></P><P>Harware is custom.</P><P></P><P>I'm trying to get my DP83848 ethernet phy to work in RMII mode based on the lwip_tcpecho example.</P><P></P><P>The link status is good and the&nbsp;PHY_LINK_CONNECTED bit is set.</P><P></P><P>lpc_low_level_input() returns NULL because the descriptor is still owned by DMA</P><P>So no packets get received.</P><P>Has anyone else had similar issues ?&nbsp;</P></BODY></HTML> Wed, 27 Nov 2019 15:52:11 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LWIP-phy-problem/m-p/981294#M38737 winpennyjh 2019-11-27T15:52:11Z Re: LWIP phy problem https://community.nxp.com/t5/LPC-Microcontrollers/LWIP-phy-problem/m-p/981295#M38738 <HTML><HEAD></HEAD><BODY><P>Resolved!</P><P></P><P>RMII mode only works when ENET_RX_DV mode is used</P></BODY></HTML> Fri, 29 Nov 2019 11:32:56 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LWIP-phy-problem/m-p/981295#M38738 winpennyjh 2019-11-29T11:32:56Z