Hello everyone, I've a problem with lwIP (1.3.2 on atmel) on TCP/IP transmission. I use lwIP in FreeRTOS. In my project, web interface make an request (every 2 sec approx. ) to http server (who is on my embedded system) via http://192.168.0.120/CONFIG?blabla . Everything thing ok but after a while (seems random), request doesn't have answer anymore.
With lwIP TCPDEBUG, i've this message (via RS-232) : tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> ESTABLISHED tcp_slowtmr: tcp state -> FIN_WAIT_1 tcp_slowtmr: tcp state -> FIN_WAIT_1 tcp_slowtmr: tcp state -> FIN_WAIT_1 tcp_slowtmr: tcp state -> FIN_WAIT_1 tcp_slowtmr: tcp state -> FIN_WAIT_1 [......] tcp state seems lock on FIN_WAIT_1, like if PC doesn't send FIN_WAIT_2 .... For create my TCP connection, i used this way : netconn_accept -> netconn_close -> netconn_delete Have you any idea ? Best regards -- Jean-Baptiste Théou
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