G-Funktion bzw. Decimal 32-bit

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• ENVOY Interface - data snack connection

  Hello

  Maybe someone can help me. My problem is that I do not know how to connect 3 appetizers (4 bits) values ((decimal) ticks, not the binary values) to a value of 12 bits in decimal unit? Here is a short example: 1 nibble: 3 (decimal, 4 bits); 2re nibble: 10 (decimal, 4 bits) and the third nibble: 8 (decimal, 4 bits). In fact, this three nibbles should be a data in decimal unit value. What relationship? How can I combine the unique value appetizers? For an example for a look of signals SENT on attachments.

  Thanks for help and best regards,

  Sebastian

  In 2013 LV

  Kees

• Convert c# to Java code - Floating Point Arithmetic

  Convert c# to Java code - Floating Point Arithmetic
  
  Hello
  I need to write a c# equivalent in java code. The c# code includes functions perform mathematical calculations. The result of these functions must match exactly with the c# (especially precision) counterpart. Here's a function that requires an equivalent java
  
  Public Shared Function squareroot (string n1)
  {
  If ((n1 == null) |) (System.Convert.ToDouble (N1) < 0))
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  }
  
  C# two data types - float (32-bit) and double (64-bit) floating-point. It also includes a more specific data type float called decimal (128-bit). The float and double are supposed to follow the standard IEEE 754 floating point standard, but precise figures are different. Double c# has 15-16 digits for precision while the equivalent of java has 53, right? (the IEEE standard reference).
  
  Does anyone have an idea on what java equivalent data types/libraries must be used such that the results correspond with double c# and decimal?
  
  Thank you & happy new year

  This has nothing to do with the IEEE 754 standard, because nothing in IEEE 754 specifies how many decimal places should be used when a value is converted to a string. Simply because the resolution is between 15 and 16 decimal places does not mean that there is always an exact representation of any number of IEEE 754 format to 16 decimal places. In your example, Java chooses to create two decimal places more than c# don't but I bet that this is not a general rule you can count!

  The whole concept of using strings to represent the number seems to be skewed. I don't really see the point. It is mind bogglingly slow and in my view it does nothing for you. You have not yet met the real problem yet! What happens when Java or c# decides to use scientific notation?

  In your situation I would like to change the program c# use 'double' rather than 'chain', then you would find that you get an almost perfect match to all time. I make this recommendation of much written spending year of algorithms in C, C++, c# and Java of signal processing.

• Convert 16-bit signed decimal

  Hello

  I need to convert integer to signed decimal value is 16 bytes.

  For example a xCC lower byte and the high xFF who in decimal-52.

  The string coming from the instrument is xFFCC. What can I use with Labview?

  LabVIEW 6.1

  Windows XP

  In my view, a type of cast string I16 must resolve.

• Is satellite P200 - 1C2 (PSPB6E) 64-bit Windows 7 compatible?

  Hey guys,.

  I got a question here:

  I tried to find the drivers for my Satellite P200 PSPB6E and I found almost everything, but there is no PPV for the 64 bit version of Windows 7...
  I tried the the satellite P500 series VAP and it works more or less, but the FN-Hotkey button bring up flash cards! (it's my major problem, so if I could solve this one, what follows is not so important)

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  Or y at - it another way to get these drivers I need for those funktions?

  Thank you guys!

  Welcome,
  Rough

  As you know Windows 7 is already a lot of time on the market and if Toshiba has no Win7 64 bit stuff has offered so far I don't think it will happen in the future.

  What you have done is just. You can try one last thing, find utility support Flash Cards for another laptop model and try to install it on your Satellite P200.
  I'm not sure this will help, but you can try it.

  Also check the settings of flash cards and enable the option allow the mouse to show the cards. Perhaps this option will help you see flash cards using the mouse pointer.

• to convert decimal table table of Boolean

  Hey all

  I have a decimal table (or at least that's what I think it is).

  the table is 1010 (and the number of bits can change depending on the application)

  that 1010 is decimal. I want to convert that into a Boolean 1010, because I have to open close some ports in this logic.

  Help, please

  Thank you very much

  Well done more to give

  Your information is a little sparse, so I fill in some blanks by guessing...

  1010 is not a table (and no Boolean value either!)

  Is each figure part of the picture? What is the representation?

  If each digit is a digital element of the array, just wire 'not equal zero' to the table and you will get an array of Boolean.

  It might be easier if you can fix a simple VI which contains the table that you have and the table you want. Thank you!

• Order 20 bits

  I have 20 test I want to run... Each test is represented by a bit

  If all of the tests are running all bits are set to the a (0xFFFFF - which is the default setting).

  If a test is not supposed to work we will be less this hexagonal number of default number.

  If the 19 test is not supposed to work off 0xFFFFF by 0 x 40000 (bit for trial 19) by default.

  Is he best way to little handling without remembering the hexadecimal number of each bit?

  I basically just want to get the test number in without having to worry about the hex decimal number.

  * can add test too.

  Are you aware that most Boolean functions work on integers?

  Even though your description of what you want is not quite clear, I think that scale of power of 2 and reverse Boolean and AND can do what you want.

  Lynn

• (number of bits) in a number

  I am decimal to binary conversion and I try to get the number of bits in the binary number called "binary resulting Numer' exit in VI... How can I get?

  #Bits control SETS the number minimum of characters in the string.  The string contains a lot more characters than required to represent the number.

  It sounds as if you are trying to determine the length of the minimum string that displays a binary representation of your number.

  If you use a %b format string and check the length of the output string will display the number of characters in the binary string.  You can also format the control or the indicator to display in binary, assured representation is one of the integer data types.

  With your decimal entry defined for I32, be careful with negative numbers. They all have the same length = 32.

  Lynn

• Hexagonal n.o decimal whole conversion?

  How to convert 1 byte hexadecimal n.o in decimal form to the decimal integer of 8-bit data.

  Hello

  You can use the hexadecimal number fucntion. This option is available in - programming > String > String Conversion/number.

  Alternatively, you can search for hexadecimal number conversion.

• Conversion of two 16-bit hexadecimal words in full signed

  I'm currently trying to use labVIEW 2010 to read the temperature and the information of mass flow out of a tool for modbus. However, the instrument returns all values in 2 16-bit hex words by ordering "Intel bytes. I can't convert that signed decimal information usable. For example:

  Signed integer of 1-2 Word

  527E 41 C 0 + 24.0402793884277340

  I tried to merge the words and mount them in decimal, but nothing helped. Any help or advice is appreciated as I am new to labVIEW and work with raw data in general.

  My current code is attached.

  24,040 is... what you are supposed to get? You speak of a whole, but it is floating point.

  In any case, if that's what you want to get it is quite simple:

  

• 8-bit modulo 256 checksum

  Hi all

  How to calculate the bit 8 modulo 256 checksum?  See the example from the manual.

  Example:

  To send the set temperature of 100.0 degrees to the controller.

  Fixed decimal Set Temp is multiplied by 10 to get ready to send.

  Convert 1000 d for hex which is 03e8

  Send: (stx) 001c000003e8b4 (etx)

  Then. in the example, the checksum is b4.

  Thanks in advance.

  Gary

  

• Converts a string (float single precision) in decimal

  Hello

  I use reading series base and write vi to communicate with a device.  The answer I receive (shown in hexadecimal format) is 4606 8D3B, which from what I understand (this discussion: http://forums.ni.com/t5/LabVIEW/string-to-number-conversion-a-very-interesting-observation/m-p/32170... ) the data is not actually hexadecimal but rather binary and appears just hex for the user.

  My camera manual says that this information is "Float - 4-byte ANSII standard simple precision, low to high" and I'm trying to convert this string to a decimal value.  (it should be 0.004 or e-3 xx 4)  So far I've written a program that separates the bytes in a table of 4 bytes, each binary converts and then separate all binary bits and try to group return the binary bits in the exponent and the mantissa to calculate the value, but it seems rather convoluted and I hope that there is a more simple function in that all this is done automatically.  Also, since the answer is low to high, I understand that I must first return the number of 3B8D 0646 make high to low, but I think I did that already, it's just the conversion that I do not know how.

  Any help would be appreciated, thanks

  Alex

  Try this:

  

• FPGA Butterworth filter - why conversions to decimal fixed?

  I was looking through the screw FPGA Butterworth filter Express and stumbled on this code (after conversion the Express VI into a Subvi and then by opening the front panel):

  

  What is happening with the conversion to decimal fixed values that look like they must be integers (in the red boxes)? Why these conversions would be useful?

  Here is the micro-optimisations to help the synthesis tools to minimize the number of bits used in these code paths. The iteration Terminal is 32 bits wide and also involves a logic to do in the face of what is happening when the maximum value is reached. We have seen some benefits from the reduction of this path to the minimum width required both that which is written. I think it is probably still the case since the compiler usually does not know how many times a given line will run with a dynamic stop like this condition.

  The optimization of the meter width is similar, taking advantage of the fact that we know that we have limited storage space to use circular buffers power-of-2 size. Using the exact number of bits of the address allows us to implement a counter of reversal with no additional logic. otherwise, we would need to check the value, and add a mux (Select) to reset the counter when it reaches the maximum value.

  Synthesis tools usually do a good job of optimizing the unused bits, but here are two cases where we can help them by being more explicit about what we really need.

• How send/read bits of information through visa

  Hello people.

  I bought an encoder that reads a tape of datamatrix and returns information such as x and y position and speed. It communicates via serial 485 and I need the control trought labview, I don't know how to do this. The communication protocol is to send a telegram of the request and received a telegram in response.

  To send the request telegram has 2 bytes: one containing 8 bits of information plus one parity bit another byte has the parity bit and the same 8 bits of data in the first byte, but here they are reversed. For example octet1 is 110000100 and octet2 101111011 (it takes x position)

  The answer telegram contains 6 to 9 bytes (all have 8-bit, plus the parity bit). The 2nd to 5th byte contains the x position, so I need to read and convert to a decimal number.

  The issue is that visa works work with strings, so I don't really know how to properly convert the information of these 2 bytes to send the request, nor how to convert the string read from the instrument to the binary number and finally to decimal. Do you have any idea?

  Greetings,

  Vitor

  Vitor Soares says:

  I did the two arrays of bits, one for octet1 and one for octet2 and diverted these channels to channels and concactenated and sent to the encoder, but I got no response... I'm on the right track?

  Partially. It is a frequently asked question. You need a single table of U8, containing the 2 bytes you want to send and then you can simply use Cast to Type or an array of bytes to a string for a string that you can subscribe to Write VISA.

• Write to digitall all ports (channels) with the decimal value

  Hello

  It is possible to write all digital channels with a value decimal for a device with 96 channels at the same time?

  I have a USB-6509 camera and I want to write each value of Pentecost bit 1 in the loop (for the first transfer I write 0,1,2,4,8,16, 32, 64 and 128) with the line "Dev3/port0 / line0:7", but if I want to write all ports at the same time, how to set the line and the "write.vi DAQmx?

  Thank you.

  You can configure the reading and writing in the ports of 8 bits with the 6509.  For example, you could write just 128 to "Dev3/port0.  If you want to write to all 12 ports, I recommend doing a task that is several channels on the 6509 module, each channel of the task being a port.  You can then use the channel Multiple, single sample of writing of your values.  Your values must be in a table of U8.