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Re: RE: Trouble using lwIP (driver crash...)
On Wed, 2006-04-05 at 16:51 +0200, Andrew Lunn wrote:
> > I don't see the point of calling PacketRxReady() from i82559_can_send().
> > The point of "can_send()" is to determine of the device can accept any
> > more packets *to transmit* - received packets should not be part of that
> > calculation.
>
> There is a comment in the code from Hugo. Sending a packet can
> potentially loose a receive interrupt. So it tries a receiver after
> doing the send just to recover from the lost interrupt.
Ah, broken hardware :-(
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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