PRISM notification to Host

[David Gibson]

On Mon, Apr 19, 2004 at 07:33:27AM +0200, martin.soderberg at se.abb.com wrote:
> Im controlling a PRISM2 chip with a microcontroller, and it is of high
> intrest that the host gets information if a transmission of data fails.
> Im now trying to read the TxEx bit in the EvStat register (addr 0x30) but
> nothing hapends, it is always set to 0 but i can verify that the 
> transmission 
> fails via an Oscillioscope.
> 
> Is this the right bit to read, if so, is it a mather of time when to
> read it, i
> dont know if it is reseted befor i read it.
> Or should i try to do this in an other way?

You have to set a bit in the Tx descriptor before sending to request
notification on exception.

-- 
David Gibson			| For every complex problem there is a
david AT gibson.dropbear.id.au	| solution which is simple, neat and
				| wrong.
http://www.ozlabs.org/people/dgibson