Am 04.10.2021 um 12:54 schrieb Duygu D.: > Hello, > I found the problem where is; > > low_level_output function was in below when I get Ipv4 error: > > https://paste.ofcode.org/3afkM3cHbZTMmX7rLQuyznX > <https://paste.ofcode.org/3afkM3cHbZTMmX7rLQuyznX> > > I need to change pbuf with mpbuf before the sending, so I need to copy > pbuf to another mpbuf, but mpBuf length has to be p->len + 1, because I > need to add data end of the datagram. > If I use in above link I have an error. But If I use original low_level > _output function like in below link: > > https://paste.ofcode.org/QJhuGAjDqVsghQKqj6SyJf > <https://paste.ofcode.org/QJhuGAjDqVsghQKqj6SyJf> > > I dont have any error, but I have to use first link. How can I solve the > problem with copy pbuf to another pbuf ?
So you have the code right before you. What keeps you from copying it into your favourite dev IDE (windows, linux, whatever), mocking all the lwIP/hardware parts and single-stepping through it to see where the bug is? Obviously, it's neither lwIP nor hardware related? Regards, Simon _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users
