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How do you judge the link is connect? #2

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xielangtao opened this issue May 2, 2017 · 0 comments
Open

How do you judge the link is connect? #2

xielangtao opened this issue May 2, 2017 · 0 comments

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@xielangtao
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I want to pause the ethercat when link is not connect,but I don't know how to do it.
I can find generic network card,like eth0.But I not find the network card in fmc in linux.
The ethercat was report warning when link is not connect:
EtherCAT 0: Link state of ecm0 changed to UP.
EtherCAT WARNING 0: 1 datagram TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
EtherCAT WARNING 0: 50 datagrams TIMED OUT!
Do you know how to avoid this warning?
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