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From: | address@hidden |
Subject: | Re: [lwip-users] lwip 1.3 UDP - DNS strange behaviour |
Date: | Tue, 20 Jan 2009 22:12:25 +0100 |
User-agent: | Thunderbird 2.0.0.19 (Macintosh/20081209) |
Sergio Sider wrote:
Have you made sure timeouts work at all in your port? The default lwIP source provides no timoeut implementation in case of setting NO_SYS to 1! This is a known limitation and before 1.3.0 we had a discussion about that, but it has kind of lead nowhere yet...I am using lwip "ported" by LuminaryMicro, and CodeSourcery (GCC) #define SYS_LIGHTWEIGHT_PROT 1 // default is 0 #define NO_SYS 1 // default is 0 On interesting fact: A custom UDP message I send on the beggining was not transmitted also although the program thought it was. After a few seconds, the udp messages started to work. But DNS donĀ“t, but that's because of the timeout that never occurs, so there is no retry.
Simon
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