serial communications with BS2
I'm attempting to intercept the serial data that comes back to the
BS2 debug window that's supported by the Basic stamp editor (v1.3).
I'm using the MSComm ActiveX control in VB6 pro.
The BS2 debug window receives data with settings of 9600 baud, parity
none, data bits 8. When I configure the MSComm control with these
same parameters, I see no input. However, when I slow the baud rate
down to 1200 baud (on the control), I can detect data transmissions
at the same frequency as the debug window. However, the data received
is bogus and the MSComm control detects an input buffer length of 0
bytes.
Is it necessary to enable some sort of handshaking in order to
establish receive-only communications with the BS2? (Any tips or
examples appreciated!)
Thanks!
BS2 debug window that's supported by the Basic stamp editor (v1.3).
I'm using the MSComm ActiveX control in VB6 pro.
The BS2 debug window receives data with settings of 9600 baud, parity
none, data bits 8. When I configure the MSComm control with these
same parameters, I see no input. However, when I slow the baud rate
down to 1200 baud (on the control), I can detect data transmissions
at the same frequency as the debug window. However, the data received
is bogus and the MSComm control detects an input buffer length of 0
bytes.
Is it necessary to enable some sort of handshaking in order to
establish receive-only communications with the BS2? (Any tips or
examples appreciated!)
Thanks!
Comments
used a VB6 program I wrote. I cannot remember specifics as it was about
1yr ago, sorry. Check your parameters again in the VB program. Sounds
like you have something configured incorrectly.
Brian
If you can see the data in the terminal windows or in Hypterterminal then
the data is there!
Regards,
Tony Wells
Original Message
From: "donnmoidaho" <donnmo@l...>
To: <basicstamps@yahoogroups.com>
Sent: Monday, February 11, 2002 2:17 AM
Subject: [noparse][[/noparse]basicstamps] serial communications with BS2
> I'm attempting to intercept the serial data that comes back to the
> BS2 debug window that's supported by the Basic stamp editor (v1.3).
> I'm using the MSComm ActiveX control in VB6 pro.
>
> The BS2 debug window receives data with settings of 9600 baud, parity
> none, data bits 8. When I configure the MSComm control with these
> same parameters, I see no input. However, when I slow the baud rate
> down to 1200 baud (on the control), I can detect data transmissions
> at the same frequency as the debug window. However, the data received
> is bogus and the MSComm control detects an input buffer length of 0
> bytes.
>
> Is it necessary to enable some sort of handshaking in order to
> establish receive-only communications with the BS2? (Any tips or
> examples appreciated!)
>
> Thanks!
>
>
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Body of the message will be ignored.
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>
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>
>
>
options as well but with no benefit.)
Any thoughts re. a logical way to troubleshoot using the control?
Thanks!
--- In basicstamps@y..., <tony.wells@a...> wrote:
> I've come across this before. Set the control for no handshaking.
>
> If you can see the data in the terminal windows or in
Hypterterminal then
> the data is there!
>
> Regards,
>
> Tony Wells
>
>
Original Message
> From: "donnmoidaho" <donnmo@l...>
> To: <basicstamps@y...>
> Sent: Monday, February 11, 2002 2:17 AM
> Subject: [noparse][[/noparse]basicstamps] serial communications with BS2
>
>
> > I'm attempting to intercept the serial data that comes back to the
> > BS2 debug window that's supported by the Basic stamp editor
(v1.3).
> > I'm using the MSComm ActiveX control in VB6 pro.
> >
> > The BS2 debug window receives data with settings of 9600 baud,
parity
> > none, data bits 8. When I configure the MSComm control with these
> > same parameters, I see no input. However, when I slow the baud
rate
> > down to 1200 baud (on the control), I can detect data
transmissions
> > at the same frequency as the debug window. However, the data
received
> > is bogus and the MSComm control detects an input buffer length of
0
> > bytes.
> >
> > Is it necessary to enable some sort of handshaking in order to
> > establish receive-only communications with the BS2? (Any tips or
> > examples appreciated!)
> >
> > Thanks!
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
combinations but with no success.
Do you remember anything unique about the behaviour of the control in
the program that you'd written? (Were you receiving data through the
OnComm event?) Any hints or tips re. a logical or methodical approach
to debugging appreciated.
Thanks!
--- In basicstamps@y..., Brian Gracia <bgracia@t...> wrote:
> It is not necessary to setup any handshaking. I did this a while
back and
> used a VB6 program I wrote. I cannot remember specifics as it was
about
> 1yr ago, sorry. Check your parameters again in the VB program.
Sounds
> like you have something configured incorrectly.
>
> Brian
/questions diagnostics which I would do when interfacing any PC to a device.
1. Does the program definately output data to the stamp terminal window?
2. Can you see the same output in Hyperterminal?
3. If you unplug the cable can you still see data coming out of the stamp on
the TX pin?
If the answer to all three questions is yes, then it must be the
control/your program. If so, can you let us have sight of your VB code - I
might be able to spot something.
Regards,
Tony Wells
Original Message
From: "donnmoidaho" <donnmo@l...>
To: <basicstamps@yahoogroups.com>
Sent: Monday, February 11, 2002 7:15 AM
Subject: [noparse][[/noparse]basicstamps] Re: serial communications with BS2
> I've checked the VB parameters and attempted various permutations and
> combinations but with no success.
>
> Do you remember anything unique about the behaviour of the control in
> the program that you'd written? (Were you receiving data through the
> OnComm event?) Any hints or tips re. a logical or methodical approach
> to debugging appreciated.
>
> Thanks!
>
> --- In basicstamps@y..., Brian Gracia <bgracia@t...> wrote:
> > It is not necessary to setup any handshaking. I did this a while
> back and
> > used a VB6 program I wrote. I cannot remember specifics as it was
> about
> > 1yr ago, sorry. Check your parameters again in the VB program.
> Sounds
> > like you have something configured incorrectly.
> >
> > Brian
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
> I've checked the VB parameters and attempted various permutations
and
> combinations but with no success.
>
> Do you remember anything unique about the behaviour of the control
in
> the program that you'd written? (Were you receiving data through the
> OnComm event?) Any hints or tips re. a logical or methodical
approach
> to debugging appreciated.
Try deleting the communication control off of the form and putting a
"fresh" copy on with the parameters set to no handshaking. I've
written several VB6 apps with serial port stuff and this cured a
problem I had with one of them.
Good luck,
Tim
documentation says that it applies only to input, but it also specifies what
may be applied to output. You need this set to 1 for binary or 0 for text.
Chris
I'm attempting to intercept the serial data that comes back to the
BS2 debug window that's supported by the Basic stamp editor (v1.3).
I'm using the MSComm ActiveX control in VB6 pro.
The BS2 debug window receives data with settings of 9600 baud, parity
none, data bits 8. When I configure the MSComm control with these
same parameters, I see no input. However, when I slow the baud rate
down to 1200 baud (on the control), I can detect data transmissions
at the same frequency as the debug window. However, the data received
is bogus and the MSComm control detects an input buffer length of 0
bytes.
Is it necessary to enable some sort of handshaking in order to
establish receive-only communications with the BS2? (Any tips or
examples appreciated!)
Thanks!