Bernhard 'Gustl' Bauer wrote:
I have done so. It compiles without errors. But no packets are comming out.
LWIP_DEBUG says:
etharp_query: Ethernet destination address unknown, queuing disabled,
packet %p dropped
So I enabled ARP_QUEUEING. And now etharp_timer expires.
So far my LWIP did only react on incomming packets. SNTP is the 1st time
it initiates a connection. Maybe LWIP must be configured different for this.
That doesn't sound as if it is a problem with the SNTP code. Did you try
any other traffic, like a TCP client or another UDP application? Can you
ping your device? You should check for received ARP requests (set a
breakpoint to etharp_arp_input and see if update_arp_entry finds the
pending entry with your queued packet).
Simon
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