Comunication COM1: and a CNC milling machine (timeout?)

[dave at b-i-s.org]

Agreed Dar.

 I'm just getting to grips with RR and having worked at the firmware level it's wonderfull 
to work in a 4GL for a change. I will need to do some serial work myself later in the year 
so I'm looking closely at all of the serial tips that appear on the list.

Thanks for your comments,

Regards,
Dave.

On 17 Sep 2003 at 13:03, Dar Scott wrote:

> 
> On Wednesday, September 17, 2003, at 05:37 AM, dave at b-i-s.org wrote:
> 
> > It could be that using "until end" simply returns an empty rs232 
> > buffer regardless of
> > data, whereas "until empty" transfers data out of the buffer until 
> > it's....er.....empty.
> 
> Some clarity and enhancements would be nice here.  I think for serial 
> these are the same, but it might be great if not in general.  I'd like 
> "empty" to mean "the buffer is empty" and "end" to mean "the channel is 
> closed".  With that, "end" would not be meaningful or would be very 
> rarely meaningful with serial; I wouldn't mind if it means the same as 
> "empty" in that case.
> 
> I suspect what Malte is running against is that the mill had no time to 
> respond.  A short delay might provide some or all of the response.
> 
> Dar Scott
> 
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