, ladies and gentlemen, I have a question to ask, is I use lwip protocol stack of udp protocol completed the DDR to PC a data path, through the jtag debug and run online can be used, but generates the boot. The bin from starting the sd card, distribution of the number of err returns err_val - 6, found after find lwip err set mean data errors, but clearly in the debug and run is no problem, when the card is used redpitaya pitaya

CodePudding user response:

But when I use TCP data will not appear this problem, so now very confused, and I don't know what caused this problem