LPC Microcontrollers中的主题 EMAC interrupt stops if idle? https://community.nxp.com/t5/LPC-Microcontrollers/EMAC-interrupt-stops-if-idle/m-p/521811#M4447 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tjoAG on Mon Sep 15 23:40:24 MST 2014</STRONG><BR /><SPAN>Hi All</SPAN><BR /><BR /><SPAN>I'm running FreeRTOS and lwip on a LPC1788.</SPAN><BR /><BR /><SPAN>If I set IP_SOF_BROADCAST_RECV to 0 in the lwipopt.h,then I dont get all the broadcast into processing. With i fine.</SPAN><BR /><SPAN>But if the EMAC is idle for some time (Approx 30 sec or more), then I don't get any RX interrupt anymore.</SPAN><BR /><SPAN>If I ping it with a regular interval, it never idles out.</SPAN><BR /><SPAN>Of course setting the IP_SOF_BROADCAST_RECV to 1 will make the EMAC busy all the time and it never idles.</SPAN><BR /><BR /><SPAN>all the lwip tasks are running anf working. I just don't get any interrupt from the EMAC anymore.</SPAN><BR /><BR /><SPAN>Does anyone know what is causing it?</SPAN><BR /><BR /><SPAN>Thomas</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 17:51:24 GMT lpcware 2016-06-15T17:51:24Z EMAC interrupt stops if idle? https://community.nxp.com/t5/LPC-Microcontrollers/EMAC-interrupt-stops-if-idle/m-p/521811#M4447 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by tjoAG on Mon Sep 15 23:40:24 MST 2014</STRONG><BR /><SPAN>Hi All</SPAN><BR /><BR /><SPAN>I'm running FreeRTOS and lwip on a LPC1788.</SPAN><BR /><BR /><SPAN>If I set IP_SOF_BROADCAST_RECV to 0 in the lwipopt.h,then I dont get all the broadcast into processing. With i fine.</SPAN><BR /><SPAN>But if the EMAC is idle for some time (Approx 30 sec or more), then I don't get any RX interrupt anymore.</SPAN><BR /><SPAN>If I ping it with a regular interval, it never idles out.</SPAN><BR /><SPAN>Of course setting the IP_SOF_BROADCAST_RECV to 1 will make the EMAC busy all the time and it never idles.</SPAN><BR /><BR /><SPAN>all the lwip tasks are running anf working. I just don't get any interrupt from the EMAC anymore.</SPAN><BR /><BR /><SPAN>Does anyone know what is causing it?</SPAN><BR /><BR /><SPAN>Thomas</SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 17:51:24 GMT https://community.nxp.com/t5/LPC-Microcontrollers/EMAC-interrupt-stops-if-idle/m-p/521811#M4447 lpcware 2016-06-15T17:51:24Z