Calculate skew timing with Cyclone V and ksz9031

Hello,

thanks a lot for the great answer and all the work!

I ve test a lot of different skew parameter. I started with the calculated skew parameter.

procedure:

1. send an file pc => cyclone 5 processor
2. count the ack errors with wireshark
3. receive an file pc <= cyclone 5 processor
4. count the ack errors with wireshark
5. if number of tries < 10 goto 1
6. else change the skew parameter goto 1)

the file is 1gb big, and i ve get the best skew values with:

i think i can only verify the parameter with an oscilloscope, but at the moment i have not the necessary equipment for that.

thanks again for the support and the endurance.