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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

-- 
+==================================================================+
| Dave Chevalier              | TriBeam Technologies, Inc.         |
| Software Engineer           | http://www.tribeam.com/            |
| email: dchev@xxxxxxx.com    | phone: (847) 483-9901              |
+==================================================================+