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I can't ping warp boards, even with ever working designs, suddenly. When I checked, I found the board can go into warpmac_pollDataSource function, but can't go into the function where LLFIFO is checked. That is to say, it can't go beyond the point of "if(XIo_In32(EMAC_FIFO_BaseAddr+XLLF_RDFO_OFFSET) > 0)". I tried searching the forum but didn't find anything relevant. So, what should be done next? Thanks a lot!
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This was solved when I relayed information about the Ethernet speed. We are using Belkin USB Ethernet adapters that have a max speed of 100 Mbps. Thus, we had to change the ENET_LINK_SPEED to 100 in warpmac.c as covered in http://warp.rice.edu/forums/viewtopic.php?id=584
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