Convert 4 Bytes To Int C

I unsigned 4-byte integer. Re: Converting 2 bytes to an integer in VB6 I agree. Floating point to integer conversion. Now I want to convert the bytes back to my uint16's and int32's. ok so i'm working on a new implementation of a target language for a scripting language that i want to make, so far everything is going really nicely. If you see the last value of the enum assigned a very large value, that will set the size of the enum to be an integer that can hold that value. ToInt16(ReadOnlySpan) Converts a read-only byte span into a 16-bit signed integer. This may improve spatial locality. is it possible to convert byte value into integer… and can we compare two byte values if yes then how we will do that from initialising to execution…. Here we will take an integer value in hexadecimal format and then extract all 4 bytes in different four variables. Enum to string. It’s that simple. But it appears that the overload resolution is making decisions based on the underlying type; where unsigned int-to-int is a conversion, rather than promotion. println(b); public static byte [] intToByteArray(int value) { byte [] b = new byte [4 Conversion from int to byte Conversion from int to byte : In this tutorial we will learn how to convert an int type value to byte type data. Data Transmission conversion (kilobit): In data communications, a kilobit is a thousand bits, or 1,000 (103) bits. reason i thought is in C they have used unsigned long so it can store 8 extra byte data. 4 10 38 4: Character data: CHAR [(n)] Fixed-length character string (length: n bytes) Fixed-length character string of one-byte characters with a length of n bytes, where n is a positive integer such that 1 n 30,000. Given an ASCII string (char[]) and we have to convert it into BYTE array (BYTE[]) in C. Implicit type conversion, also known as coercion, is an automatic type conversion by the compiler. If the sign bit is 0, just convert the number as shown for unsigned numbers above. toBytes(long) method. Like char and unsigned char, it can be used to access raw memory occupied by other objects (object representation), but unlike those types, it is not a character type and is not an arithmetic type. Bjoern Schliessmann Since the module crystalball is still in development, you'll have to analyze your three byte float format and convert it either to a IEEE 754 "single" float and use struct, or convert manually using bitwise operators. An application code can compute either 4- or 8-byte values and can designate that the values be stored in the exodus file as either 4- or 8-byte numbers; conversion between the 4- and 8-byte values is performed automatically by the API routines. Single-precision floating-point number (4 bytes) Single-precision floating-point number with a value of approximately 1. I guess you would need to write this function sort of in reverse. You can easily convert integer to string or string to integer. Say 0x12AB is a 16-bit hexadecimal integer. Any computer can then convert the character string back to a float, regardless of type. OSC: Open Sound Control Byte String Conversion. The character representation is coded in ASCII. For any Beginner in the domain of Neural Network or Machine Learning, the most suitable data-set to get his/her hands dirty, is the MNIST Dataset. Thus, int or unsigned int should be able to hold the value of 4-byte wchar_t. unsigned int Byte2Int(char *buff) //module to convert 4 bytes to an unsigned integer value. In the first case the [code]sizeof[/code] operator is being passed a variable of type [code]char[/code] and [code]char[/code] data type has size of 1 byte, thus the output. Below is a sample code snippet that demonstrates how to convert a byte array to integer in C#. If a C int is smaller than a C long, an Python integer will be created instead. Primary Key Integer. Here's an alternate answer where I assume that you want a string of the actual bytes the pointer is pointing to. Our COBOL Conversion Services Disc Interchange Service Company's primary business is converting mainframe COBOL files. which use 4 bytes (32 bits) of storage, to a single-precision number that also uses 4 bytes of storage. Then the user decides to installs other codecs for some reason. If the sign bit is zero, the value is positive. functionname //or manual: //parameters: (32-bit) push ebp mov ebp,esp //[ebp+8]=input. I was trying to pass a byte[] and it was coming up null everytime on the other end. A byte will store an 8-bit unsigned number with a range of 0 to 255, no decimal points. Wiki For You I have a wiki on exactly this subject! I cover FString to uint8 / int32 FString to float float to FString int32 to FString FString to std::string. If your string is not a valid integer string, you should check it first or use other methods. I need to convert a float to 4 bytes so it can be sent on a 8 bit data channel. Treat the division as an integer division. It is based upon the IEEE-754 Floating Point Conversion. You can convert numbers from binary notation to decimal notation, but you seldom have to. Hello, I'm trying to make a powershell function to read a. But first, a little more about real Booleans vs. As the previous poster mentioned longs are 8 bytes not 4. If it did, sign extension would occur when it was stored in an int variable. Copying is implicit because the data is stored as value type – this basically means that if you use unmanaged code, you can simply interchange enums and integers without copying data. Kilobits per second is usually shortened to Kbps. For example: Convert to 32-Bit Signed Integer Variable. I read a file using char[] and I want to convert specific bytes to integer. The following example defines a string array and attempts to convert each string to a Byte. Empty throws a FormatException. In computation endian refer to the ordering of bytes within a single word of 16-bit, 32-bit, or 64-bit. Q: How do I convert a UTF-16 surrogate pair such as to UTF-8? As one 4-byte sequence or as two separate 3-byte sequences? A: The definition of UTF-8 requires that supplementary characters (those using surrogate pairs in UTF-16) be encoded with a single 4-byte sequence. Thus, there are four possible combinations of compute word size and storage (or I/O) word size. The CCS C compiler includes a library of example programs for many common applications. INTEGER*4 @ The integer data type, INTEGER*4, holds a signed integer. In order to parse this as a date, I need to convert it to an int. Write a program to find all positive primes up to some maximum value, using MPI_Recv to receive requests for integers to test. Incredibly simple, free and fast browser-based utility for converting ASCII to bytes. Bytes Equal: 25. system integer (containing the address of an integer on 1 byte) byte*, uint8* 4 bytes in 32 bits, 8 bytes in 64 bits: system integer (containing the address of an unsigned integer on 1 byte) short*, int16* 4 bytes in 32 bits, 8 bytes in 64 bits: system integer (containing the address of an integer on 2 bytes) word*, uint16*. 0 (char, byte, short, int, float, and double). ConvertRoutine: //jmp dllname. This is a free online hex converter that converts hex values into bytes, ints, and floats of different bit significance. Code samples in the reference are released into the public domain. Why c takes integer 2 bytes java takes integer 4 byte and net takes integer 4 byte? Answer. fill in the color c from the integer ??. I'm trying to convert a Java byte to a 2-digit Hex string hex string. A 1-byte unsigned integer has a range of 0 to 255. For example, here is the bit pattern for an int that holds the value 98:. The order of the bytes in a word is system dependent. Each byte is equal to 8 bits, and four bytes is equal to 32 bits, the size of. Our COBOL Conversion Services Disc Interchange Service Company can convert most numeric data types, including all the IBM mainframe EBCDIC data types, and most ASCII data types from PC and UNIX systems. Isuru: OK, the code with the ByteArrayOutputStream works but it seems a bit overkill to me. bin && tail -c +133 original. GitHub Gist: instantly share code, notes, and snippets. Logic: To convert an ASCII string to BYTE array, follow below-mentioned steps: Extract characters from the input string and get the character's value in integer/number format using %d format specifier, %d gives integer (number) i. A word use to be 16 Bits and a Nibble 4 Bits. Is there a way to use a specific codec? For example, say I install the lame. errors (Optional) - if source is a string, the action to take when the encoding conversion fails (Read more: String encoding). ConvertDataTypes is the helpfull website for converting your data types in several programming languages. Turns a string value into a java. The bytes type in Python is immutable and stores a sequence of values ranging from 0-255 (8-bits). The master will loop from 2 to the maximum value on. How to convert 4 bytes into So the conversion function "long" does not seem to and your right operand is a const that the compiler defaults to type int, so. One of the usual variants is: int i = …; byte b = (byte)i; Depending on circumstances, you can also do this:. Native c convert 4 bytes to integer ? If i have 4 bytes for example \xA1\x00\x00\x00\ how could i convert them to integer?. Converting an integer value between bases using (int)010 will take into account the various ways of formatting an integer. C# - Data Types. Converts a specified value to an 8-bit unsigned integer. New version of Arduino supports String data type. Many times, programmers consider a numeric datatype to be a fixed-length type¿that is what they typically see when programming with 2- or 4-byte integers and 4- or 8-byte floats. d 8-byte floating point double precision. I'm sure this is a n00b question, but I can't seem to get my head around it! I have a 4 BYTE array which I want to display as a decimal value. Calling Sequence. I have a 4-byte hexadecimal string such as "fd007d00" I need to convert this 32-bit wide format according to the rules below: the first 8-bit is signed exponent the rest 24. converting openssl hex dump or PEM format to integer array Hello. MB to bytes conversion is a tool to calculate data storage capacity of digital information, learn how many bytes in a megabyte, convert megabyte to byte. I've being trying to convert 4 bytes into a float with no success. They are 4-byte integers. The left-side value can be assigned to any right-side value and is done implicitly. C Program to Convert Binary Number to Decimal and vice-versa To understand this example, you should have the knowledge of following C programming topics: C Functions. encoding (Optional) - if source is a string, the encoding of the string. Hi, I have a question regarding the number of bytes required when we convert a signed binary data into Zoned Decimal format. I have a C# application which reads bytes into a byte array. The elements of a sequence can be extrac. Divide the result again by 16. For a small positive number, you're throwing away leading zeros, so you get the same value. Go Slices: usage and internals. Integer versus Word/Byte. I would like to take those 4 bytes and return them as an unsigned long. ?why it is 32 bit?. Sending 16 bit and 32 bit numbers with Arduino I2C I’ve been using I2C a lot lately and something that keeps popping up is the need to send large numbers. Two- and four-byte integer data can often be read directly from computer to computer, however certain computer architectures use different formats for storing multi-byte integer data. A byte is an exact integer between 0 and 255 inclusive. 7 Regular Expressions. Consider the string "100. Bitwise Logic and Binary. Convert C# dictionary to a JSON String. So I wrote code like this:. Many other computer languages, including C/C++, support both signed and unsigned integers. C doesn’t provide jagged arrays but we can simulate them using an array of pointer to a string. C (str of length 1) [int] Convert a C int representing a character to Python str object of length 1. I have the following code which converts an integer to a bytes array of size 4. Type casting is a way to convert a variable from one data type to another data type. In this chapter you will learn: How to convert an integer value to byte, double, float, int, long and short; How to decode a string and return an integer value. f (float) [float] Convert a C float to a Python floating point number. conversion to 4 bytes integer representation. l signed long (4- or 8-byte) integer. I have noticed that 0b 60 was there as the last 2 bytes. Convert unsigned int to long and back to 4 bytes data. The BitConverter class in. Since the required byte swap depends on the size of the numbers stored in the file (two 2-byte integers require a different swap than one 4-byte integer), the file format must be known to perform endianness conversion. Edit: about type size, please have a look at the "Fundamental data types" section of the C++ documentation. The left-side value can be assigned to any right-side value and is done implicitly. Since the lead byte for 5 and 6 byte sequences (f5-fd) will never appear in any 4 byte or shorter sequence, interpreting the sequences as a single (invalid) character appears to make the most sense:. #include ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset); ssize_t read(int fildes, void *buf, size_t nbyte); Description. In other words, an integer can be signed or unsigned. I want to avoid being required to write the unzipped file to disk and so I'm trying to use a system. I am trying to combine byte values into a long variable. 0 (negative zero) convert to the integer 0. The type of a variable determines how much space it occupies in storage and how the bit pattern stored is interpreted. They are assumed to be equivalent to the C type long int, and 2-byte integers are of C type short int. A data type should be declared first before being used. In contrast, the binary (base two) numeral system has two possible values represented as. And, answering your header question "How to convert byte-array (4 bytes) back into float?", the answer, based on your example, is to call a standard library routine which parses a text form. My device will reply 4 register value. It will throw NULL Reference Exception when you handling NULL value. Note that while a null string parses to zero, String. These formats are known as the byte order , and refer to the order in which the individual bytes for a multi-byte integer are stored. This is Hardware related and not all vendors of computers use the same hardware, particularly microprocessors where the Byte tends to have the most meaning. The conversion functions include int(), float(), char(), byte(), and others. This is similar to how you use 0x10 to write in hexadecimal (base 16) notation. Unicode Converter enables you to easily convert Unicode characters in UTF-16, UTF-8, and UTF-32 formats to their Unicode and decimal representations. That is, the process for converting 4 bytes into a float is different than the process for converting 2 bytes into a short int. the format string '4h' means exactly the same as 'hhhh'. Returns null if the string is null. Byte definition is - a unit of computer information or data-storage capacity that consists of a group of eight bits and that is used especially to represent an alphanumeric character. * ; /** A class that makes it easier to create CRC codes. Convert a byte array integer (4 bytes) to its int value /* * Java Bittorrent API as its name indicates is a JAVA API that implements the Bittorrent Protocol * This project contains two packages: * 1. ?why it is 32 bit?. 32,767 (2^15. C program to convert hexadecimal Byte to integer This program will convert a hexadecimal value in integer. Choose "Hexadecimal" below and watch it count: After the "Ones" position is filled up (after F) the ones start back at 0, and we add 1 to the next position on the left (to show 1 lot of 16). If you are sure that the value of int is between 0 and 255 (for example when you read successfully a byte from file using FileStream. Int performance. Read reads structured binary data from r into data. An array is a sequence of zero or more LLSD values. However I have no idea how to accomplish this in VB (pls note I do not code. Converting strings to bytes and vice versa. Wiki User 08/03/2011. This is a free online hex converter that converts hex values into bytes, ints, and floats of different bit significance. A C prototype has the following form: return_type name ( parameters ); For example double fn (int p1, int p2); /* function "fn" with 2 4-byte integer */ /* parameters, returning 8-byte float */. How to convert 2 byte data to integer?. 4 Byte Strings. Posting to the forum is only allowed for members with active accounts. Little Endian means that the lower order byte of the number is stored in memory at the lowest address, and the higher order byte is stored at the highest address. 7 and integers in a bidirectional way. ConvertDataTypes. I ran into a mildly interesting problem recently. Java int type conversion. i signed 4-byte integer. Converting-a-4-byte-string. memorystream object to hold the decompressed file. For example, if you want to store a 'long' value into a simple integer then you can type cast 'long' to 'int'. No known implementation. Integer versus Word/Byte. bytes to unsigned long. The logic behind to implement this program - right shift value according to byte position and mask it for One byte value (0xff). The following example uses the ToInt32 method to create Int32 values from a four-byte array and from the upper four bytes of an eight-byte array. Convert byte to int in C#. If the string starts with 0x or -0x (lower or upper case) or # or -#, it will be interpreted as a hexadecimal Integer - or Long, if the number of digits after the prefix is more than 8 - or BigInteger if there are more than 16 digits. After knowing primitive data types and Java rules of Data Type Casting (Type Conversion), let us cast int to byte. Sending float variables over Serial without loss of precision with Arduino and Processing or Python 16) # convert from hex to a Python int cp = pointer(c_int(i. unpack(fmt, string) Convert the string according to the given format `fmt` to integers. NetCDF supported six atomic data types through version 3. Comp-3 packed fields are aligned on byte boundaries, and the field is always a whole number of bytes. com Convert data types programming in one click !. a2b_uu (string) ¶ Convert a single line of uuencoded data back to binary and return the binary data. I don’t blame folks for thinking 0 and 1 are low-level Boolean values at first. 0 (char, byte, short, int, float, and double). your files efficiently and accurately. not sure how giving an example will help cause it's an arbitrary bit pattern depending on the number. It means that it has been read in the wrong order. But I have a problem that how can I convert any entered number into binary (I'm using array), here is my code: public void Decimal2Binary(int a){ int result []=new int[8]; for (int. How to BlowdkWrite Bytes and Integers into same file. Q: How do I convert a UTF-16 surrogate pair such as to UTF-8? As one 4-byte sequence or as two separate 3-byte sequences? A: The definition of UTF-8 requires that supplementary characters (those using surrogate pairs in UTF-16) be encoded with a single 4-byte sequence. My idea is to pass in a loop a bunch of bytes and then put them into a bytearray on the other side. Two dimensional arrays are considered by C/C++ to be an array of ( single dimensional arrays ). It could convert bytes or actually strings in Python 2. INT_TO_BYTE INT_TO_DWORD Siemens S7 SCL cheat sheet Numeric ABS Number SQR Square Conversion ROUND 3. ) Instructions Just type in any box, and the conversion is done "live". With millions of different sensors and devices that will be connected to the cloud for IIoT, determining the Endian of the communication protocol is required to read proper values by the SCADA / IIoT server. 0 (char, byte, short, int, float, and double). Now I want to compare Hour, Minutes and Seconds with 0 to perform my further operation, but I can't use Compare (I-I, R-R) instruction, so fir that I want to convert these Bytes into INT in Ladder to perform this. In COBOL comp-3 fields (and in most other languages) this nybble is reserved for the sign whether or not the field is denoted as a signed field in the COBOL PIC. Treat the division as an integer division. I need to convert a float to 4 bytes so it can be sent on a 8 bit data channel. 11 has size 4 bytes (float)1234. GL_COLOR_INDEX. But in PACKED number SIGN also use half of byte. First, conversion and display of C# byte array into a string format, and second, conversion of C# bytes into actual characters of string. Our COBOL Conversion Services Disc Interchange Service Company's primary business is converting mainframe COBOL files. How to convert Integer to Byte Array. Calling Sequence. When decoding boolean values, a zero byte is decoded as false, and any other non-zero byte is decoded as true. ll (ell-ell). A note on byte ordering Since Bluetooth deals with the transfer of data from one machine to another, the use of a consistent byte ordering for multi-byte data types is crucial. The value of the string token is the sequence of 16 bit unsigned integer code units (hereafter referred to just as code units) corresponding to the UTF-16 encoding of S. In fact, it can be done in a single line. Each pixel is a single value, a color index. How do you convert an array of bytes to an int or a float?. 0 (negative zero) convert to the integer 0. The trick is the C language union construct. However, I have to convert 7 bytes of hex data to ASCII representation in decimal array. NET Framework is provides functionality to convert base data types to an array of bytes, and an array of bytes to base data types. 16 bits is two byte. Java int type conversion. The int data type is a word and Arduino comes with highByte() and lowByte() to extract the left and right byte from a word. println(b); public static byte [] intToByteArray(int value) { byte [] b = new byte [4 Conversion from int to byte Conversion from int to byte : In this tutorial we will learn how to convert an int type value to byte type data. For example, if you want to store a 'long' value into a simple integer then you can type cast 'long' to 'int'. I have had some issues trying to perform this conversion. Logic: To convert an ASCII string to BYTE array, follow below-mentioned steps: Extract characters from the input string and get the character's value in integer/number format using %d format specifier, %d gives integer (number) i. I used to, and I still do use types and copy memory to convert RGBquad color to GDIP color, but I came across a site all about maxing VB code performance, and they do the same equivalent code with only logical operators and it is in the ballpark figure or 10 times faster. Been picking my brains of some elegant way of combining two BYTEs to an INT, anybody got an idea? I have two BYTES ( a low byte and high byte) that i receive from the DP bus. I have tried many solutions on stackoverflow and own ideas but nothing really seems to work for me. Convert the example program sumarray_mpi to use MPI_Scatter and/or MPI_Reduce. so there are not 4 characters but only one. A union allows a single memory space to be accessed. The bytearray() takes three optional parameters: source (Optional) - source to initialize the array of bytes. Serializing data structures containing only numeric or boolean values is fairly straightforward. someone, this does not interpret to-integer #{FFFFFFFF} in Ren/C as {00000000FFFFFFFF} but rather #{FFFFFFFFFFFFFFF}. conversion to 4 bytes integer representation. Assigning 4 bytes of memory to 1 byte of memory requires explicit casting. Conversion of int64 to double, using round-to-nearest. length which has to be stored in the beginning of the byte array so the decompression to be able to work later: ippsDecodeLZO_8u. Since either is a valid possible interpretation, the assembler must be explicitly directed as to which is correct. Then, when I opened the generated dicom file with notepad, it just contains a few number of bytes only. The image data is stored as 4-byte floats. a2b_uu (string) ¶ Convert a single line of uuencoded data back to binary and return the binary data. As a field in a class, an int requires 4 bytes. If you access four-byte values stored in a INTEGER in the database, but use the C int type, conversion errors might arise if the two types are not the same size. /***** Major portions of this software are copyrighted by the Medical College of Wisconsin, 1994-2000, and are released under the Gnu General Public License, Version 2. The preprocessor recognizes these macros within a declaration section and treats the variable as the appropriate type. This post explains how to convert an unsigned long int into a byte array in C/C++. As far as the hardware is concerned, they are all the same, with the sole exception of register 0, which is hardwired to the value 0. Converting-a-4-byte-string. It updates the ByteBuffer with 4 bytes representing the Integer. GetBytes() method to convert an integer to a byte array of size 4. The bytes type in Python is immutable and stores a sequence of values ranging from 0-255 (8-bits). string to integer/byte. csv as above? Here is the working code for 2 Byte Int binary: What I have tried:. Our COBOL Conversion Services Disc Interchange Service Company's primary business is converting mainframe COBOL files. I have managed to convert a number to Hex (see below), however it gives 5 bytes out and i have to have 4 bytes. int x = 10; // 4 bytes double y = x; // 4 bytes to 8 bytes. I read the learning tutorial here which was very helpful. The filter must finally do an 8-byte byte-swap on that 8-byte value to convert it to desired BE format. l signed long (4- or 8-byte) integer. fill in the color c from the integer ??. In this program, 4 variables integerType, floatType, doubleType and charType are declared having int, float, double and char type respectively. The binascii module defines the following functions:. It is sometimes beneficial to convert a value from one type of data to another. To convert MB to GB, simply divide the MB by 1024. How to convert 4 bytes into So the conversion function "long" does not seem to and your right operand is a const that the compiler defaults to type int, so. your files efficiently and accurately. GetBytes() method to convert an integer to a byte array of size 4. This webpage is a tool to understand IEEE-754 floating point numbers. I ran into a mildly interesting problem recently. But i was wondering how i'd go about it without passing a datatype into the array. Thus, int or unsigned int should be able to hold the value of 4-byte wchar_t. I want to search an IP address up to the "/" and take everything before the "/" so I can convert it from a char to an int. Inside the function, the sizeof is 4, which is the sizeof int pointer (4-byte address). Then take that int and convert it to binary. Another is to send the four bytes that represent the floating point variable value. bytes to unsigned long. Converting-a-4-byte-string. double — conversion from integer to double precision representation inttype — type integers used in integer data types iconvert — conversion to 1 or 4 byte integer representation. double — conversion from integer to double precision representation inttype — type integers used in integer data types iconvert — conversion to 1 or 4 byte integer representation. If you convert the float to ushort first, then to bytes, then transfer that, then put it back together into a ushort, then convert to float again, then endianness may matter and you should check the architecture when loading to ensure it's deserialized in the proper order. And also as you said "binary of 4 bytes accommodate -2,147,483,648 through +2,147,483,647" Does not it accommodate -4294967295 to +4294967295 i. You use the INTEGER datatype to store numbers that have no fractional part. As far as I know, indexing a variable doesn't change its type, so since input is declared as uint8_t input1[4], input1[0] is an uint8_t, which when shifted up loses its value altogether. A C# string is a reference type. Many times, programmers consider a numeric datatype to be a fixed-length type¿that is what they typically see when programming with 2- or 4-byte integers and 4- or 8-byte floats. Isuru: OK, the code with the ByteArrayOutputStream works but it seems a bit overkill to me. ByteString. Read reads structured binary data from r into data. I believe you are mistaken in thinking that only four bytes contribute to the timestamp. please help? I was asked to do this question using union. Posting to the forum is only allowed for members with active accounts. It can be used to wrap these libraries in pure Python. Convert a byte array integer (4 bytes) to its int value /* * Java Bittorrent API as its name indicates is a JAVA API that implements the Bittorrent Protocol * This project contains two packages: * 1. Since the required byte swap depends on the size of the numbers stored in the file (two 2-byte integers require a different swap than one 4-byte integer), the file format must be known to perform endianness conversion. 41 bytes may not appear much but in a large program, a considerable amount of bytes would be wasted. The string contains the hexadecimal values associated with the bytes, separated by hyphens. Convert a Char to a Byte. I have to take them 4 at a time, reverse their order (because they come in "wrong endian"), and then combine them into a single int or a single float. You may also be interested to know that byte's, short's, and int's are all actually stored using 4 bytes by the jvm (so they can perform 32 bit operations). I have a library that reads image data and returns the data as an array of unsigned chars. :I'm making a project of converting decimal number into binary. Bytes and Byte Strings in The Racket Guide introduces byte strings. I'm reading in binary bytes of data from a file. A byte string can be mutable or immutable. It’s that simple. The result is a tuple even if there is. This term means any simple integer type which is capable of keeping a pointer, and changes its size according to the change of platform from 32-bit to 64-bit. Sending and Receiving Data via Bluetooth with an Android Device Brian Wirsing March 26, 2014 Abstract Android developers often need to use Bluetooth in their projects. This example shows you how to use the BitConverter class to convert an array of bytes to an int and back to an array of bytes. length which has to be stored in the beginning of the byte array so the decompression to be able to work later: ippsDecodeLZO_8u. please help? I was asked to do this question using union. I have the following BYTE array: BYTE vBuffer[4]; With the contents: 0x41, 0xA0, 0x00, 0x00 This gives the float: 20f.