Re: [lwip-users] DM9000 in polled mode

[Andreas Becker]

Am Freitag, 17. Dezember 2004 13:11 schrieben Sie:
> Hi,
>
> I am trying to use the DM9000 in polled mode as opposed to the interrupt
> manner.
> It seems to ping fine for a while and then about after every 20 successful
> pings
> there seems to be an error receiving a packet(when reading the 0xf0
> register - it
> suppose to return a 1 or a 0 indicating whether a packet is ready or not.
> Instead it returns another value which the code says must reset the card.
> ). If the card is not reset, then there is no notification of a received
> packet from that
> point on.
> Any idea what might be going wrong?

What alignment are you using for the Davicom? 
8 / 16 / 32 bit ?

Did you set in the IMR (0xFF) bit 0x80? That the read Pointer can do it's 
auto-return?

Hope it helps, 

-- 
Dipl.-Ing.(FH) Andreas Becker
Entwicklung

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