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RE: [lwip-users] Routing error in lwip 1.3.0
From: |
Kieran Mansley |
Subject: |
RE: [lwip-users] Routing error in lwip 1.3.0 |
Date: |
Thu, 10 Jul 2008 13:43:42 +0100 |
On Thu, 2008-07-10 at 12:40 +0000, Muhamad Ikhwan Ismail wrote:
>
> Hi,
>
> Ill try to simplify a bit here :
>
> 1. In the device with lwip,there are 2 tasks running. One an UDP echo
> client, which sends a packet and read the reply. It then checks if the
> reply is the same packet it last sent. If not then triggers an error.
> The packet is a string with a number which is incremented after each
> succcesful echo cycle. The other task just simply sends some dummy UDP
> packet into the network every 10s.
>
> 2. The echo works fine until the other lwip task sends the dummy
> packet. At that moment there are 2 possible situations
OK, that makes more sense.
What version of lwIP are you using? Is it a pre-existing port to your
hardware, or one you've done yourself? Similarly, what driver are you
using? Which lwIP API do your tasks use to send and receive data?
Kieran