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From: | Jonathan Larmour |
Subject: | Re: [lwip-users] lwip 1.3 UDP - DNS strange behaviour |
Date: | Wed, 21 Jan 2009 02:23:11 +0000 |
User-agent: | Mozilla Thunderbird 1.0.8-1.1.fc3.4.legacy (X11/20060515) |
address@hidden wrote:
Sergio Sider wrote: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.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!
I bet that's it, which is why I asked about NO_SYS :-). Jifl -- eCosCentric Limited http://www.eCosCentric.com/ The eCos experts Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571 Registered in England and Wales: Reg No 4422071. ------["The best things in life aren't things."]------ Opinions==mine
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