SRecord \*(v)

.\" .\" srecord - manipulate eprom load files .\" Copyright (C) 1998, 2000-2004, 2006-2011 Peter Miller .\" .\" This program is free software; you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by .\" the Free Software Foundation; either version 3 of the License, or .\" (at your option) any later version. .\" .\" This program is distributed in the hope that it will be useful, .\" but WITHOUT ANY WARRANTY; without even the implied warranty of .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the .\" GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public License .\" along with this program. If not, see .\" . .\" .ad l .hy 0 .so etc/version.so .nf

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SRecord \*(v)

The SRecord package is a collection of powerful tools for manipulating EPROM load files.

I wrote SRecord because when I was looking for programs to manipulate EPROM load files, I could not find very many. The ones that I could find only did a few of the things I needed. SRecord is written in C++ and polymorphism is used to provide the file format flexibility and arbitrary filter chaining. Adding more file formats and filters is relatively simple, see the Reference Manual.

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SRecord runs on almost any flavor of UNIX. The source distribution is self configuring using a GNU Autoconf generated configure script.

> SRecord also runs on Windows. You can build SRecord for Windows using Cygwin or DJGPP, see the Windows page.

> FAQ: Please, please, couldn't you just build a Windows executable for me? No. I rarely use Windows. Besides, SRecord is open source, so you have the source code, so you can do it yourself. It is very easy to do it yourself, or you could consider upgrading to Linux.

The File Formats The SRecord package understands a huge number of file formats: Ascii-Hex The Ascii-Hex format is understood for both reading and writing. (Also known as the Ascii-Space-Hex format.) ASM It is possible, for output only, to produce a series of DB statements containing the data. This can be useful for embedding data into assembler programs. Atmel Generic This format is produced by the Atmel AVR assembler. It is understood for both reading and writing. BASIC It is possible, for output only, to produce a series of DATA statements containing the data. This can be useful for embedding data into BASIC programs. Binary Binary files can both be read and written. B-Record Files in Freescale Dragonball bootstrap b-record format can be read and written. C Array It is possible, for output only, to produce a C array definition containing the data. This can be useful for embedding data into other programs. Cosmac The RCA Cosmac Elf format is understood for both reading and writing. DEC Binary The DEC Binary (XXDP) format is understood for both reading and writing. Elektor Monitor (EMON52) The EMON52 format is understood for both reading and writing. Fairchild Fairbug The Fairchild Fairbug format is understood for both reading and writing. Hexdump It is possible, for output only, to produce a simple hexadecimal listing. This can be useful for developer debugging. LSI Logic Fast Load The LSI Logic Fast Load format is understood for both reading and writing. Formatted Binary The Formatted Binary (XXDP) format is understood for both reading and writing. Four Packed Code (FPC) The FPC format is understood for both reading and writing. IDT/sim The IDT/sim binary file format is understood for both reading and writing. Intel The Intel hexadecimal format is understood for both reading and writing. (Also known as the Intel MCS-86 Object format.) Intel AOMF The Intel Absolute Object Module Format (AOMF) is understood for both reading and writing. Intel 16 The Intel hexadecimal 16 format is understood for both reading and writing. (Also known as the INHX16 file format.) MIF The Memory Initialization File (MIF) format by Altera is understood for both reading and writing. MIPS-Flash The MIPS Flash file format is understood for both reading and writing. MOS Technology The MOS Technology hexadecimal format is understood for both reading and writing. Motorola S-Record The Motorola hexadecimal S-Record format is understood for both reading and writing. (Also known as the Exorciser, Exormacs or Exormax format.) MsBin The Windows CE Binary Image Data Format is supported both for reading and writing. Needham Electronics The Needham Electronics ASCII file format is understood for both reading and writing. Ohio Scientific The Ohio Scientific hexadecimal format is understood for both reading and writing. PPB The Stag Prom Programmer binary format is understood for both reading and writing. PPX The Stag Prom Programmer hexadecimal format is understood for both reading and writing. Signetics The Signetics format is understood for both reading and writing. Spectrum The Spectrum format is understood for both reading and writing. SPASM The SPASM format is used by a variety of PIC programmers; it is understood for both reading and writing. Tektronix (Extended) The Tektronix hexadecimal format and the Tektronix extended hexadecimal format are understood for both reading and writing. Texas Instruments Tagged The Texas Instruments Tagged hexadecimal format is understood for both reading and writing (both 8 and 16 bits). Also known as the TI-Tagged or TI-SDSMAC object format. ti-txt The TI-TXT format is understood for reading and writing. This format is used with the bootstrap loader of the Texas Instruments MSP430 family of processors. VHDL It is possible, for output only, to produce a VHDL definition containing the data. This can be useful for some embedded development systems. Verilog VMEM It is possible to write a Verilog VMEM file suitable for loading with \f[CW]$readmemh()\fP. This format is supported for reading and writing. Wilson The Wilson format is understood for both reading and writing. This mystery format was added for a mysterious type of EPROM writer. If you have a description of other EPROM load file formats that SRecord does not yet understand, please let me know, and they can be added. | The Tools A number of tools are include in the SRecord package. All of the tools understand all of the file formats, and all of the filters. srec_cat The srec_cat program may be used to catenate (join) EPROM load files, or portions of EPROM load files, together. Because it understands all of the input and output formats, it can also be used to convert files from one format to another. It also understands filters, see below. srec_cmp The srec_cmp program may be used to compare EPROM load files, or portions of EPROM load files, for equality. srec_info The srec_info program may be used to print summary information about EPROM load files.
The Filters The SRecord package is made more powerful by the concept of input filters. Wherever an input file may be specified, filters may also be applied to that input file. The following are only some of the filters are available: crc The crc filters may be used to insert an inustry standard cyclic redundancy check (CRC) into the data. checksum The checksum filters may be used to insert a checksum into the data. Positive, negative and bit-not checksums are available, as well as big-endian and little-endian byte orders. crop The crop filter may be used to isolate an input address range, or ranges, and discard the rest. exclude The exclude filter may be used to exclude an input address range, or ranges, and keep the rest. fill The fill filter may be used to fill holes in the data with a given byte value. unfill The unfill filter may be used to make holes in the data for bytes with a given value. random fill The random fill filter may be used to fill holes in the data with random byte values. length The length filter may be used to insert the data length into the data. offset The offset filter may be used to offset the address of data records, both forwards and backwards. split The split filter may be used to split EPROM images for wide data buses or other memory striping schemes. unsplit The unsplit filter may be used to reverse the effects of the split filter. More than one filter may be applied to each input file. Different filters may be applied to each input file. All filters may be applied to all file formats. There are many more filters available, see the srec_input(1) man page for more information.
The Generators The SRecord package is made more powerful by the concept of input generators. Wherever an input file may be specified, a generator may be specified instead. The following generators are available: constant The constant generator may be used to create constant value bytes. random The random generator may be used to create random bytes. repeated data The repeated data generator may be used to create data which repeats a sequence of byte values over and over again. Generators and data files can be combined on the same command line.
The Library The project includes a shared library. The documentation for this library is available here on the web site. The shared library may be used to read and write all of the formats, and use all of the filters, in your own projects. It also makes the installed executables smaller.

## See Also

For a similar idea, applied to text files rather than EPROM load files, see the Uncia project.
For a similar idea, applied to file systems rather than EPROM load files, see the PlasticFS project. .\" ------------------------------------------------------------------------

| SRecord is written and owned by Peter Miller <pmiller@opensource.org.au> and is freely distributable under the terms and conditions of the GNU GPL. |  | There is more Software by Peter Miller at his home page. |

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