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[lwip-users] Problem by sending of UDP broadcast frame

From: simeon.trifonov
Subject: [lwip-users] Problem by sending of UDP broadcast frame
Date: Wed, 4 Oct 2017 10:08:38 +0300

Hi,

 

Up to now I used LWIP V1.4.1 and I was able to send UDP broadcast frames. Now I updated the stack to V2.0.2 and such UDP frames cannot be send. When the function udp_sendto() is called with dst_ip set to 255.255.255.255, the function exits with ERR_RTE, because netif = NULL. How can I make it to work as in V1.4.1? Maybe I missed to set a specific define?

 

Simeon

 

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