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- CRC Calculator is an online tool to compute the CRC-16 & CRC-32 checksum of a string or file locally on your browser. This hash can be used to verify the integrity of the data during transmission. You can provide the expected hash and compare the calculated CRC checksum with it. The CRC hash can be generated in Base64, Hex or Integer formats.
- Calculate CRC-8, CRC-16, CRC-32, MD5 checksums online for free 123456789 Input type: ASCII Hex Output type: HEX DEC OCT BIN Show processed data (HEX).
CRC/CCITT (16 bit) 2: 16 bit Cyclic Redundancy Check (CRC) with a polynomial of 0x1021 and an initial value of 0xFFFF. CRC (32 bit) 4: 32 bit Cyclic Redundancy Check (CRC) with a polynomial of 0x04C11DB7 and an initial value of 0xFFFFFFFF. Custom CRC (16 bit) 2: 16 bit Cyclic Redundancy Check (CRC) with a user supplied polynomial and initial value.
This tool is used for converting hexadecimal files (either Motorola or Intelformat) into a binary file. It's a command line tool with basic capabilities.
Hex2bin/mot2bin Features
It can handle the extended Intel hex format in segmented and linear addressmodes. Records need not be sorted and there can be gaps between records. Holes/unused bytes can be specified as any other value than FF. A checksum canbe inserted into the binary file.
The source files can be easily compiled for Windows, either by using CodeBlocks + MinGW GCCor Microsoft Visual Studio(or Express). For convenience, the distributed file containsthe 64-bit executables for Windows already.
License
Hex2bin and mot2bin are released with a BSD license.
Usage
Options are case sensitive and options with parameters need a space betweenoption and parameter. I.e. -s 0000 instead of -s0000.
A successful execution exits with the error code = 0, If any error occurs,the program exits immediately with the error code = 1.
All values are in hexadecimal, no 0x needed: ex. not 0x0100 but 0100.
Batch/script mode
Normally, if the specified hex file doesn't exist, hex2bin/mot2bin askrepeatedly for a valid filename. A batch/script mode option is provided forexiting with an error instead of asking for a file.
If the file xxxx.hex doesn't exist, the program exits immediately with theerror code = 1.
Checksum of source file
By default, it ignores checksum errors, so that someone can change by handsome bytes allowing quick and dirty changes.
If you want checksum error reporting, specify the option -c.
If there is a checksum error somewhere, the program will continue theconversion anyway. For convenience,
hex2bin/mot2bin displays the expected checksum at each faulty records.
Extension for output file
By default, the extension will be
A file
Padding byte
By default, unused locations will be filled with FF. Another value can bespecified.
Hex File Crc Calculator
Starting Address and Length
If the lowest address isn't 0000, ex: 0100: (the first record begins with:nn010000xxx ) there will be problems when using the binary file to program aEPROM since the first byte supposed to be at 0100 is stored in the binary fileat 0000.
you can specify the binary file's starting address on the command line:
The bytes will be stored in the binary file with a padding from 0000 to thelowest address minus 1 (00FF in this case).
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Similarly, the binary file can be padded up to Length -1 with FF or anotherbyte.
Here, the space between the last byte and 07FF will be filled with FF.
EPROM, EEPROM and Flash memories contain all FF when erased.
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When the source file name is
the '.test' part will be dropped.
Hex2bin/mot2bin assume the source file doesn't contain overlapping records,if so, overlaps will be reported.
Minimum Block Size
The output file size will be a multiple of Minimum block size. It will befilled with FF or the specified pattern.
Length must be a power of 2 in hexadecimal [see -l option].
Attention this option is STRONGER than Maximal Length.
Checksum or CRC inserted inside binary file
A checksum value can be inserted in the resulting binary file.
-k Select checksum type:
0 = 8-bit checksum
1 = 16-bit checksum (adds 16-bit words into a 16-bit sum, data and result BEor LE)
2 = 8-bit CRC
3 = 16-bit CRC
4 = 32-bit CRC
5 = 16-bit checksum (adds bytes into a 16-bit sum, result BE or LE)
-E Endianness of result to store
0 = little endian
1 = big endian
-r Range to compute checksum or CRC over (default is min and maxaddresses)
-f Address of checksum or CRC to write
-d Displays the list of checksum types and exits
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Value inserted directly inside binary file
A value can be inserted directly (forced) in the resulting binary file.
-k Select value length type:
0 = 8-bit value
1 = 16-bit value
2 = 32-bit value
-E Endianness
0 = little endian
1 = big endian
-F Address and value checksum to write
Support for byte-swapped hex/S19 files
Some compilers such as Microchip's MPLAB IDE can generate byte swapped hexfiles.
hex2bin-w test-byte-swap.hex-w Wordwise swap: for each pair of bytes, exchange the low and high part.
Support for word sized hex files (hex2bin only)
Hex with record type, where data is represented in Word (2 Byte)
e.g Texas Instruments: TMS320F2835, TMS320F28065.
hex2bin-a example-ti.hex
-a Address Alignment Word.
Filter for records within range
Records outside that range are discarded
Hex2bin-t 0110 -T 0256 example.hex-t Floor address
-T Ceiling address
Status
Hex2bin and mot2bin are in production status. It is working well for manysmall applications.
While I'm now working on other projects, hex2bin and mot2bin are still openfor patches, feature request etc. Submit them here.
Similar tools
SRecord has many more featuresand support many other formats.
See also IntelHex2bin and Motorola Hex2bin
Download
The source file contains a version compiled for 64-bit windows.Download Hex2bin