AM3356: EtherNet/IP address conflict detection

Hiroyasu Tazawa1

Part Number: AM3356

Hi,

Let me talk about EtherNet/IP for AM335x.

We use PRU-ICSS-SW for EtehrNet/IP v1.00.02.

In the Appendix F: Address Conflict Detection chapter of the CIP Specification (Vol2_1.23.pdf),
the state transitions are described in Figure F-1.1 ACD Behavior.

There is a state called DefendWithPolicyB in it,
it transits to other state by an event of Defended or DefenseFailed.

How should I detect the occurrence of the Defended or DefenseFailed event?

Best Regards
Hiroyasu

over 7 years ago

0 Biser Gatchev-XID over 7 years ago

TI__Guru**** 393215 points

The RTOS team have been notified. They will respond here.

0 Paula Carrillo over 7 years ago

TI__Mastermind 39270 points

Hi Hiroyasu-san, do you have a link to this document so I can see the figure you are referring.. I did a quick web search without luck.

thank you,

Paula

0 Hiroyasu Tazawa1 over 7 years ago in reply to Paula Carrillo

Guru 12350 points

Hi, Paula-san

Thank you for your reply !

We can not get CIP cirtificaiton Documents for EtherNet/IP from web wite...
Customer told me User can see this documents if user is an association.

Best Regards
Hiroyasu

0 Paula Carrillo over 7 years ago in reply to Hiroyasu Tazawa1

TI__Mastermind 39270 points

Hiroyasu-san, last week I was in a business trip, let me come back to this soon. Sorry for the delay.

Paula

0 Hiroyasu Tazawa1 over 7 years ago in reply to Paula Carrillo

Guru 12350 points

HI, Paula-san

Thank you for your reply.
O.K. I got it.
I wait for your answer.

Best Regards
Hiroyasu

0 Paula Carrillo over 7 years ago in reply to Hiroyasu Tazawa1

TI__Mastermind 39270 points

Hi Hiroyasu-san, I got a good explanation from one of our developers. Let me share it with you
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
The IP address “defense” state is reached when the application receives ARP (request or reply ) from another device in the network with same IP address. On receiving the frame, the application will send ARP announcement . We have defended the IP address if we don’t receive ARP packets from other device again. If we receive the ARP from the other device multiple times within a specific time period, the IP will be removed and we go to fault state (RED LED Blinks). IP address defense has failed in this case.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

I believe this resolve your question, but let me know if not.
thank you,
Paula

0 Hiroyasu Tazawa1 over 7 years ago in reply to Paula Carrillo

Guru 12350 points

Hi, Puala-san

Thank you for your reply.
I got it.

Best Regards
Hiroyasu

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AM3356: EtherNet/IP address conflict detection