text window

[Ken]

I am new Labview, although I have used Labwindows/CVI
in the past. This will probably seem like a silly question
but .. here goes.

How can I create a text window that will accept strings and
display them at the end of window, complete with CRs and LFs.
All I want to do is make a simple terminal that will disply
ASCII data sent to and received from an RS232 port.

I tried making a string control, but data always gets
overwritten whenever I enter a new string.

Thanks.

Ken

[DaveR]

Hi Ken,
You should take the present contents of the String Control and add the
new string to it using 'Concatonate Strings'. Write the result back to a
local variable of the String Control.
Regards,
Dave.

[JPG]

I not too sure what is happening when your data gets overwritten. You should use the serial port example file(example file folder) and enter your data in the approriate string control.

http://labviewtraining.netfirms.com/

[Brian_Vibert]

This can be a bit tricky, probably the best way is to keep a seperate string control with key focus that the user types data in and then display it in a seperate indicator. The input string control can even be hidden off screen so that it appears as though you are typing directly into the indicator. This will take a little bit of coding to get it to act exactly how you want.

I've atached a very basic example that should at least get you started. It generates a random string every 30 seconds to simulate data coming back from the com port.

Good luck!
Brian