On 03.03.2018 23:30, JM wrote:
So now the only entry into lwIP is through low_level_input(). I've
spent a good deal of time trying to debug this and where I got stuck
was in tcp_receive() where it calls pbuf_clen(), which returns
MEMP_NUM_PBUF and that's where the underflow originates. If I
On 03.03.2018 16:26, JM wrote:
Hi thanks for the reply. My main loop consists of while(1); only. Only
the stack is running on the microcontroller and all interrupts going
into lwIP (Ethernet Rx and periodic timer)
So are you sure you enter lwIP functions only from one interrupt priority?
With
How is your main loop ? Are you calling sys_check_timeouts() frequently
enough ?
Have you tried a small, easily debuggable app like echo or netio before
jumping into httpd ?
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