Number in hexadecimal string conversion problem

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• hexadecimal character conversion problem

  I'm having a problem with converting a hexadecimal character, using a custom string.
  
  for example:
  
  trace ('\x41'); I'm 'A' which works very well.
  
  but for example:
  
  trace ('\x' + '41'); I give 'x 41' which did not
  [\x' + '41']. toString(); I give 'x 41' which did not
  
  the backslash seems to disappear if the hexadecimal code of the string is not complete in a first time, but I need to be customized by using the two random characters on the end ((\xhh) \xhh) as instead of \xhh, make customized as follows:
  
  \x + hh but it won't work like that
  
  does anyone know a solution to this, or any possible use of a methid that seems to have no knowledge of who will do what I want to do?
  I have apreciate the help.

  Faylon456,

  > trace ('\x' + '41'); I give 'x 41' which did not
  > [\x' + '41']. toString(); I give 'x 41' which did not

  I'm with you. I don't know, honestly, why your (slash x) \x is partially
  work, because the prefix for hexadecimal numbers must be 0 (zero) x
  Maybe the forum software changed your post a little? Maybe it's my news
  drive. In all cases, you can use the parseInt() function to convert a
  string to a number - which is the first parameter - and the second
  setting determines the radix, or base, of the number to be tested.

  trace (string.fromCharCode(0)) (parseInt ("41", 16)));

  In the light of the foregoing, your 14 is passed as a string, the 16 indicates the result
  to be in hexadecimal. That allows you to bypass any escape.

  David Stiller
  Co-author, Foundation Flash CS3 for designers
  http://tinyurl.com/2k29mj
  "Luck is the residue of good design."

• Number of allocations of memory of hexadecimal string

  I am convert a string to a byte array and then converting this array of bytes into a hexadecimal table using the built-in primitive like this

  

  What is the best way for a performance? When I run the DETT I see multiple memory allocations. I think that one for each element of the array. I think it has to do with the point of constraint. Also, it happens only if I connect to the chain of the indicator. If I run this without the indicator chain I don't see not all memory allocations. (Perhaps LabVIEW do not know the code because I don't do anything with the result)

  I just got the DETT and I'm not very sure of how LabVIEW allocates memory. But I do a test by running this code

  

  I see not all memory allocations in the DETT as I do with the number of hexadecimal string.

  
  

• String to number conversion problem

  I have a VI that pulls in data from a device using VISA, and I got it on another computer to work a few weeks back. I had to transfer the VI to a laptop computer to run a few tests, and now I can't make it work. I am unable to put my VI because the laptop on it's is unable to access the network companies, I will do my best to explain it all, I apologize for the inconvenience! My problem is not however with VISA, it's with an exit VISA number conversion chain.

  I have attached a painting drawing of VI to better explain it.

  I use the block series Visa football match in baud rate and all that many good things to the unit and port settings set of device management. Then, a while loop is entered. The loop will run until you press the stop"" button. The next block of visa is the writing block, he asks for a reading of the device. The next block of visa is the first block of reading, he returns playback in the form of "NA-XXX. X' where x are numbers. The next block of visa is the second reading block, this block just echoes back the command sent to the device. Playback of the first visa read block, "NA-XXX. X' is going exponential/fractional chain to digital converter.

  When you perform a run/debug to highlight run, the release of visa reports the correct value, is the value of the device reading - however the string to number converter generates a 0,000, no matter what channel number is. I am at a loss as to what may be wrong because it's the EXACT set up I had to work very well a few weeks ago!

  I'm using Labview 10 on the laptop, the old computer was labview 7. I'm guessing that this is perhaps the rub... I Redid the VI from scratch, although I have not opened the old VI in labview 10.

  Any help would be appreciated. Again, sorry I am unable to attach the VI.

  DARB wrote:

  I have attached a painting drawing of VI to better explain it.

  Would it not have been easier to just post a screenshot? You might also have used the Tool of Capture of Code. (Which reminds me that I need to install it to my previous versions of LabVIEW, as evidenced by the screenshot I took. )

  As to the question: you probably either:

  • employee analysis of chain initially and when you rewrote the VI you used the regular string conversion functions.
  • Wired an offset value in the string to the number function.

  

• Hexadecimal string to HEXADECIMAL number

  Hello Experts,

  I just stuck in a simple problem. in fact I'm having an array of string HEX I want to convert it to HEX number format, I am looking for this conversion. It's that simple, but I can't do this job. Please see the image to join for more understanding.

  

  Soon harry and thnaks in advance

  Harry,

  You can do this (and many other conversions from string to a number) with analysis of the chain. %x indicates LabView input data are hexagonal. There are also a lot of string functions to a number (for example ' in hexadecimal string to the number") which could be faster if you do this 100 000 times in loop, but analysis chain will solve 99% of your problems.

  -Rob

• Conversion to hexadecimal string

  Hello world

  I'm using Labview 2012 and receive data on my serial port which I want to convert a hexadecimal string. I have attached a VI that only allows me to convert the first part of the string, but not the rest.

  Does anyone know how to do this?

  PS: I don't want to have just the incator displayed in hexadecimal format, I really need to do a conversion of the string to be able to work around it after.

  Thank you.

  User

  See that red dot on the number of function Hex String in the image of the code, which is your data gets blown into a U64 array.  Yuk.  Drag a loop around the spell function channel number and it is actually a little faster.  Goes against everything you think you know all LV, but it's one of those exceptions.

• Hexadecimal number to hex string

  Dear moderators of Labview and experts.

  I'm looking for a simple tool, but could not know.

  Could you help me?

  I want to convert a hexadecimal string, Hex number unchanged.

  I mean digital Hex display shows E8 and I convert it to a string and I have Open indicator string Hex window and get the same answer E8.

  Someone knows how to do?

  I thank very you much in advance!

  cast will do what you want.

  

  (Make sure that digital is U8 and the string is defined to display hex.)

• Number to String Conversion

  So the question is, which is rounded up my numbers?  Or, more generally, what have I done wrong here?

  The main program this sub.vi works for the needs these numbers as strings, and I think I picked the wrong number to string conversion .vi or missed a configuration somewhere, because the program takes perfectly good number like - 0.340316 and rounded to-0 (zero negative? it's zero, negative).

  The zero negativity hand, the number of decimal string .vi is rounded up my whole numbers.

  The function is supposed to be converted in its entirety. Just go to help > show contextual help and read the description. The desired function is called fractional number of string.

• Convert a single number to a hexadecimal string of 32-bit and exchange the high and low bytes

  I need to convert a number single precision floating decimal to hexadecimal format of 32 bits, share the high and low bytes and that convert a hexadecimal string.  I tried to use the 'Word of Swap' function but it seems to have no effect on the unique number.

  Then

  A single decimal number of entry: 100

  Convert 32 bit hexadecimal string with the low byte first: 0000 42 8

  Anyone have any ideas?

  Thank you

  Slightly lighter, try to cast U32 and exchange words. Same difference.

  (apparently, exchanging words is a NOOP for SGL, but still accepts SGL without constraint. Interesting...)

  

• Whole singed to hexadecimal string to number converter

  HI guys...

  I want to convert the number to hex string to number converter but when I connect integer, otherwise it does not change the value (as if you write 'EC78' you should get "-5000", but I get the value in the range of 60 thousand ")...

  Any ideas?

  Thanks in advance...

  MADO...

  Hi Eric,.

  clearly, the OP asked for signed integers!

  Use this approach:

  ,

  It will mean by '-' 5000 for your example EC78h...

• String conversion that a certain past number

  Why do I only get a past number?

  STRING [XXXXX. XXXXXXXX] => FLOAT [XXXXX. X]

  float extended by default did not help

  your digital indicator is configured to display the 6 digits of precision

• The hexadecimal string to decimal content content

  I write a code in LabVIEW to convert MBus data for some energy meters.

  Apparently the meter that I use sends the data as a string in hexadecimal format, however after correctly parking that string in hexadecimal format, the real value is the decimal number in this hexadecimal string without conversion.

  Example:

  -Response of the meter (String in hexadecimal display):

  68 37 37 68 08 07 72 89 12 13 67 A7 32 04 04 00 00 00 00 0C 06 09 58 02 00 0C 14 39 13 79 00 0B 2D 47 00 00 0 B 3 B A 30 32 00 5-0 HAS 81 03 0A 5TH 68 0 A 03 62 13 00 0F 21 04 00 00 20 86 16

  -After parking, I get 22 bytes to 25 (09 58 02 00) in the right order, i.e. 09 58 00 02 meaning 25 809 MWh.

  This means that I need to transfer sort the string in hexadecimal numbers to display a decimal format and divede by 1000 to get the correct value in MWh.

  I tried to use the Type Cast and Conversion of string without success. Can someone please help me find a solution?

  Best regards.

  How's this for simplified?

  

• create a hexadecimal string

  I want to send a hexadecimal string to a device.

  0000 0000 0006 0103 2 0001 07D

  If I send the string as written above, I get the expected response.

  2 07D is a register number and I would like the user to be able to choose the register. I created this code to see if I could insert the hex string required in the full string. (Note that string constants are in hexadecimal display)

  It works very well, producing the correct hexadecimal string, 0000 0000 0006 0103 2 0001 07D.  I send the string and the device reacts as expected.

  Since I want the user to be able to choose the registry I created a mechanism for it and replaced the constant substring (07D 2) with this code.

  (Note that the value entered in the D - Reg control no. 2003)

  Although the conversion of a hexadecimal string of product 07D I16 control 2, replace the hexagonal result string of the function subset string produces this, 0000 0000 0006 0103 3037 4432 0001.

  Can anyone offer advice or perhaps suggest another method?

  Thank you.

  John.

  First of all, when the formatting strings, you're better off the coast using the Vi of string marker rather than replace elements in a string. However, in this case your string format is retrungin you the representation of ASCII number and, therefore, you get an incorrect value in the output string. What you need to do is to replace the bytes of the string with the actual binary data, not the ASCII representation. One way to do this is to simply flatten the number to a string, then replace the bytes. You can also convert the number as well, and then replace the data. Here is an example.

  

• concatenate a hexadecimal string

  I'm trying to communicate through a circulation bath series, but it requires that all orders as a hexadecimal string.  I generate a portion of the string as a constant, but I need to convert a decimal point and add it at the end of the string.  I can convert the decimal to hexadecimal very well, but when I concatenate the strings is not hex ASCII format.  I tried a number of different tracks but am not having success.  Any help out there?

  Too bad.  I have it.  Just need to convert in I16 then catalogued for hex.

• Normal string to hexadecimal string

  Expensive OR

  I have a problem with string conversions my problem is that I have a normal string, for example "ff002d" with a size of 6 bytes now I convert to hex string like this "FF00 2D" (it is another string display hexa is like this 'FF00 2D' and normal display is like this 'ÿ -') size with 3 bytes. Thanks in advance for your time and your interest...

  concerning

  See if it works for you.