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Re: link integrity led for ethernet on MCM / devboard_lx?
Dave Chevalier wrote:
> It looks to me from the schematics that neither the devboard_lx nor the
> MCM bring the LNKLED signal out from the ethernet transceiver chip. If
> this is so, how can I simulate the link integrity check of the PHY layer
> in software?
> I basically want an LED on when a "live" network cable is plugged in,
> and off when unplugged.
> I guess the devboard_lx could be modified to get the actual LNKLED
> signal out,
> but I'm thinking that is not possible for the MCM, no?
Sorry - I just found out about the MDIO register interface in ethernet.c,
which appears to have a bit for link status. I will try this out.
| Dave Chevalier | TriBeam Technologies, Inc. |
| Software Engineer | http://www.tribeam.com/ |
| email: firstname.lastname@example.org | phone: (847) 483-9901 |