RE: [vhdl-200x-ft] Update to FT12: reading of out ports

Tristan,

> I still wonder wether the value read of an out signal from a
> procedure is the same or not as the value read from the
> signal directly from the process. I don't think so...

Yes, in both cases you read the effective value of the actual signal. That
is why you need to pass a reference to the actual signal, as well as a
reference to calling process' driver.

Cheers,

PA

--
Dr. Peter J. Ashenden                        peter@ashenden.com.au
Ashenden Designs Pty. Ltd.                   www.ashenden.com.au
PO Box 640                                   Ph:  +61 8 8339 7532
Stirling, SA 5152                            Fax: +61 8 8339 2616
Australia                                    Mobile: +61 414 70 9106
> -----Original Message-----
> From: tgingold@free.fr [mailto:tgingold@free.fr] 
> Sent: Monday, 20 December 2004 23:30
> To: Peter Ashenden
> Cc: vhdl-200x-ft@eda.org
> Subject: Re: [vhdl-200x-ft] Update to FT12: reading of out ports
> 
> 
> Selon Peter Ashenden <peter@ashenden.com.au>:
> 
> > Folks,
> >
> > I had an action from the 16-Nov meeting to update FT12 (see 
> attached).
> >
> > I've revised the description to specify reading an out-mode signal 
> > parameter reads the effective value.  This permits uniform 
> treatment 
> > of signal objects, specifically, that reading them reads 
> the effective 
> > value.
> >
> > An omission that I've corrected is that, in order for a 
> procedure to 
> > read the effective value of the actual signal associated with an 
> > out-mode signal parameter, the procedure needs to be passed a 
> > reference to the signal.  See the proposed changes to 2.1.1.2.
> >
> > My action item also called for me to update the proposal to allow 
> > reading of out-mode variable parameters.  However, that already 
> > appears to be in place. Please let me know if I've overlooked 
> > something here.  Thanks.
> It appears that note 5 of 12.6.2 should be modified too.
> 
> I still wonder wether the value read of an out signal from a 
> procedure is the same or not as the value read from the 
> signal directly from the process. I don't think so...
> 
> Tristan.
>