Visual Basic Comms

Ok - Here goes.

I've written a VB6 application which dials up a particular comms
device
and downloads data from it - ok - nothing to write home about there!!

Well...

Using a "normal" modem on my PC - everyting works just fine and dandy.

Set
MsComm1.Settings = "2400,e,7,1"
( Yes that's 2400... its an OLD device!!)
MsComm1.Handshaking = 2
RThreshold and SThreshold are both 1
RTSEnable = True

use OnComm to trap for activity and everything comes in sweetly

The problem arises when I try the same code using my laptop and my
Nokia 6310i.

As well as the CommEvent 1 and CommEvent 2 activities, I get a
CommEvent 3 occuring
(comEvCTS 3 Change in Clear To Send line. )

This appears to be stopping the data from being downloaded.

What it CommEvent 3 - why does it happen and why is it stopping the
data flow?

What can I do to get around it? -Is there anything?

Yours in anticipation...
Tym

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Tym

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› See More: Visual Basic Comms

On Sat, 16 Aug 2003 08:26:21 +0100, tym
<[email protected]> wrote:

>Ok - Here goes.
>
>I've written a VB6 application which dials up a particular comms
>device
>and downloads data from it - ok - nothing to write home about there!!
>
>Well...
>
>Using a "normal" modem on my PC - everyting works just fine and dandy.
>
>Set
>MsComm1.Settings = "2400,e,7,1"
>( Yes that's 2400... its an OLD device!!)
>MsComm1.Handshaking = 2
>RThreshold and SThreshold are both 1
>RTSEnable = True
>
>use OnComm to trap for activity and everything comes in sweetly
>
>The problem arises when I try the same code using my laptop and my
>Nokia 6310i.
>
>As well as the CommEvent 1 and CommEvent 2 activities, I get a
>CommEvent 3 occuring
>(comEvCTS 3 Change in Clear To Send line. )
>
>This appears to be stopping the data from being downloaded.
>
>What it CommEvent 3 - why does it happen and why is it stopping the
>data flow?
>
>What can I do to get around it? -Is there anything?
>
>Yours in anticipation...
>Tym
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>See http://www.ictis.net/no_spam.html for unsolicited email warning
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>Tym
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>See http://www.ictis.net/no_spam.html for unsolicited email warning
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Tym

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
See http://www.ictis.net/no_spam.html for unsolicited email warning
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