Corinna Vinschen cygwin.com> writes:
> You should nevertheless use /dev/com4 or /dev/ttyS3. I might be wrong
> but it still looks like you don't quite see what Brian was up to.
>
> Corinna
>
Hmm...I think I see what you're getting at. I'm (obviously) not really all that
knowledgeable of seri
On Oct 22 21:50, Todd Rearick wrote:
> Brian Dessent dessent.net> writes:
>
> > What I was trying to emphasize is that passing "COM4" to open() in a
> > Cygwin program sets you up for a world of hurt...
> >
> > Brian
>
> It's even worse than you think. In this case...COM4 is not even a real se
Brian Dessent dessent.net> writes:
> What I was trying to emphasize is that passing "COM4" to open() in a
> Cygwin program sets you up for a world of hurt...
>
> Brian
It's even worse than you think. In this case...COM4 is not even a real serial
port...but a "virtual" serial port constructed b
Todd Rearick wrote:
> > > #define OUTPUT_DEVICE "COM4"
> >
> > *cough*
>
> Like I said. I'm not having a problem with output. The program fails even
> when I run it with the options "-x -d"in this case, COM4 is never even
> opened..and no attempts are made to write to it. All the program
On Oct 22 14:58, Todd Rearick wrote:
> Todd Rearick cox.net> writes:
> > Thanks for all of your help. Unfortunately...now the problem isn't really
> > directly under my control...hope I can find a solution.
>
> HAHA!!! I'm such an idiot. [...]
No worries, me too. Thanks to your report I was
Todd Rearick cox.net> writes:
> Thanks for all of your help. Unfortunately...now the problem isn't really
> directly under my control...hope I can find a solution.
>
HAHA!!! I'm such an idiot. I have firewall software running on the 2 PC's
that don't work (Norton Internet Security). When
Corinna Vinschen cygwin.com> writes:
>
> This I can't tell you since I don't know the server side of the
> connection. It's normal to get EOF (== 0) over and over again if EOF
> has been detected. This behaviour can be observed on, for instance,
> Linux, too.
Well..I thought it shouldn't if i
On Oct 22 13:31, Todd Rearick wrote:
> Corinna Vinschen cygwin.com> writes:
> > What you're entirely missing at this point is the fact that a return
> > value of 0 (zero) indicates EOF. You don't test for this. Instead
> > you're also testing errno in case of EOF, which has no meaning in this
>
Brian Dessent dessent.net> writes:
>
> > #define OUTPUT_DEVICE "COM4"
>
> *cough*
>
>
Like I said. I'm not having a problem with output. The program fails even
when I run it with the options "-x -d"in this case, COM4 is never even
opened..and no attempts are made to write to it.
Corinna Vinschen cygwin.com> writes:
>
> On Oct 22 07:06, Todd Rearick wrote:
> > while(1)
> > {
> > char buf[80];
> > int len;
> >
> > len = recv(infd,buf,1,0);
> >
> > if (len < 1)
> > {
> > printf("len = %d\n",len);
> >
On Oct 22 07:06, Todd Rearick wrote:
> while(1)
> {
> char buf[80];
> int len;
>
> len = recv(infd,buf,1,0);
>
> if (len < 1)
> {
> printf("len = %d\n",len);
> printf("errno = %d\n",errno);
>
Todd Rearick wrote:
> #define OUTPUT_DEVICE "COM4"
*cough*
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Brian Dessent dessent.net> writes:
>
> Your test case does not compile...
...good point...I was just trying to cut down on the length of the post...but
it really didn't save that much anyway...I'll attach the full code on the end
of this post in case anyone wants to try it.
>
> Is there any
[EMAIL PROTECTED] wrote:
> I'm assuming I'm doing something wrong here...and I'm just lucky to have it
> work right on my laptop...can anyone help?
Your test case does not compile, because you've omitted the #includes
and #defines. I think you will find that posting code that someone can
actual
I've created a simple program that is supposed to do the following:
1.) Open a socket to port 8080 on the local machine "localhost"
2.) Open a COM port
3.) Read data that comes in on the socket and write the same data out the COM
port
...great performance is not a requirement...so I did the mo
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