topic lwIP - timeouts and re-init in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/lwIP-timeouts-and-re-init/m-p/516129#M1511 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tamirmichael on Wed Sep 26 05:32:25 MST 2012</STRONG><BR /><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I use lwIP in one commercial product (LPC2478) and intend to continue to use it in a future LPC1788-based product as well.</SPAN><BR /><SPAN>I am wondering how I can best deal with traffic being disturbed by pulling out the network cable - yes, this event can be detected by lwIP, but the port uses several FreeRTOS synchronization resources (semaphores...) that might be locked/held by the time, for example, a new IP address is needed (consider for example one pulling out the cable while data is transferred, followed by disabling DHCP and then enabling DHCP). I tried to kill these resources but I did not manage to get it right yet.</SPAN><BR /><SPAN>I was wondering what the appropriate way to restart the lwIP port actually is (in case, for example, a transfer timeout is detected) ?</SPAN><BR /><BR /><SPAN>Thanks in advance</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:20:54 GMT lpcware 2016-06-15T17:20:54Z lwIP - timeouts and re-init https://community.nxp.com/t5/LPC-Microcontrollers/lwIP-timeouts-and-re-init/m-p/516129#M1511 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tamirmichael on Wed Sep 26 05:32:25 MST 2012</STRONG><BR /><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I use lwIP in one commercial product (LPC2478) and intend to continue to use it in a future LPC1788-based product as well.</SPAN><BR /><SPAN>I am wondering how I can best deal with traffic being disturbed by pulling out the network cable - yes, this event can be detected by lwIP, but the port uses several FreeRTOS synchronization resources (semaphores...) that might be locked/held by the time, for example, a new IP address is needed (consider for example one pulling out the cable while data is transferred, followed by disabling DHCP and then enabling DHCP). I tried to kill these resources but I did not manage to get it right yet.</SPAN><BR /><SPAN>I was wondering what the appropriate way to restart the lwIP port actually is (in case, for example, a transfer timeout is detected) ?</SPAN><BR /><BR /><SPAN>Thanks in advance</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:20:54 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lwIP-timeouts-and-re-init/m-p/516129#M1511 lpcware 2016-06-15T17:20:54Z Re: lwIP - timeouts and re-init https://community.nxp.com/t5/LPC-Microcontrollers/lwIP-timeouts-and-re-init/m-p/516130#M1512 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Daniel Widyanto on Thu Sep 27 00:44:51 MST 2012</STRONG><BR /><SPAN>Hi,</SPAN><BR /><BR /><SPAN><SPAN>Just suggestion, I think you'll have more luck asking this question to lwIP mailing list (</SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fsavannah.nongnu.org%2Fmail%2F%3Fgroup%3Dlwip" rel="nofollow" target="_blank">http://savannah.nongnu.org/mail/?group=lwip</A><SPAN>)</SPAN></SPAN><BR /><BR /><SPAN>Regards,</SPAN><BR /><SPAN>-daniel</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:20:55 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lwIP-timeouts-and-re-init/m-p/516130#M1512 lpcware 2016-06-15T17:20:55Z