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[lwip-users] Netconn API - receive check withput 1ms delay

From: Marco Jakobs
Subject: [lwip-users] Netconn API - receive check withput 1ms delay
Date: Fri, 13 Jul 2012 13:52:31 +0200



to receive data from some connections I use the netconn receive timeout to have nonblocking reception.


The bad side is, that the minimum setting of "aTimeout" is 1, which is always a 1ms wait. Setting it to 0 disables the timeout.


Checking 20 connections for data means also a delay of 20ms here. I want to avoid this delay, so what I'm looking for is a "check if there is data in LwIP for this connection, if not – return".


Is there any way doing this in LwIP 1.4.0?




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