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Every so often, while sending tcp packets, the function wiced_packet_create_tcp fails. When this happens, it never seems to recover, but closing the tcp socket and reconnecting clears the problem. This isn't really good enough, since my company needs to stream audio live. The time between packet creation failures seems to decrease when the rate of packets being sent is higher, but I've seen this problem even with a packet every second. There doesn't seem to be any correlation with actual data rate, as I've verified that doubling packet length while halving packet rate improves up time.
My best guess is it seems like NetX_Duo has problems cleaning up after itself? It appears that serveral other people have had this problem, but I haven't seen a solution besides "buy a different router." I'd use LwIP/FreeRTOS, but that has its own problems (at least in 3.0.1).
Has anyone encountered this and actually fixed it?