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    • By nagesh
      I need to use 5 Bytes Hex string as a key, Hex string as a Value. Normally data stored in INI as ASCII.
      What can be the possibilities to store HEX String?
    • By Randy_S
      Good morning,
      I have a DLL I created (in Labview)  that takes in string information, does some magic crunching on it to create a password that is passed out as a string.  This DLL will be called from CVI and probably from a C# application.
      This should be so simple, however I cannot figure out how to pass the string in and get the modified string out of my DLL.
      I've had no luck at all getting this DLL to work by trying many different things.  It crashes LV, returns and error, or simply passes nothing out during my trials.
      I've included the project (its small) in zipped format.  Can one of you kind souls take a look at my code and tell me what I'm doing wrong, or what I need to do correctly to both, configure the DLL and then call it from LabVIEW?
       
      Thank you!
       
      Randy
      Password Generator.7z
    • By Manudelavega
      As far as I now there is 2 way to define how to format a numeric into a string using the floating point representation (%f):
       
      - Setting the number of significant digits (%_2f)
      - Setting the number of digits or precision (%.2f)
       
      However I often find myself in the need of a way to define the width of the string. For example I always want 3 digits maximum. Using significant digits won't work if the number is 0.0012 since this only has 2 significant digits, so the string will be 0.0012 even though I would like to see 0.00 (so 0 if we hide trailing zeros).
       
      On the other hand, using digits of precision won't work if I have a number like 123.45 since it has 2 digits of precision, so the string will be 123.45 even though I would like to see 123.
       
      Now the obvious brutal way would be to use a string subset and only keep the first 3 digits (I guarantee that my number is never bigger than 999). But I really hope there is a more elegant way. I can't imagine that nobody has run into this requirement before. How did you tackle it?
    • By piZviZ
      I am able to read HEX file into Labview using read from Text file..I am getting data into labview in terms of string.
       
      Problem =>  Now i want to load this HEX file into microcontroller using VISA-rs232 .Is it require to further conversion or i can load HEX file(in form of string) directly into microcontroller ?
      rs232.vi
    • By Majo
      Hello, 
      I need a little help. 
      I want to send from LabVIEW to Arduino via serial port the string for example "ABC" and so on. 
      The problem is that when I send the string from LabVIEW .......the Arduino do nothing. Sometimes shows some kind of sign.
      When I send the string via Visual Studio it works perfectly.
      Is there someone who can help me.
       
      I attached picture of vi and Arduino code
       
      Thank you very much.   
       
       

      Arduino code.txt
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