Rewrite documentation with Material for mkdocs

- remove doc build from autotools - don't depend anymore on asciidoc - don't provide man pages anymore - new illustrations - provide mkdocs instructions

Rewrite documentation with Material for mkdocs
- remove doc build from autotools - don't depend anymore on asciidoc - don't provide man pages anymore - new illustrations - provide mkdocs instructions
Stéphane Raimbault
1 parent ef3c4bc9
Showing 138 changed files with 3680 additions and 3483 deletions
.gitignore
CONTRIBUTING.md
ISSUE_TEMPLATE.md
Makefile.am
README.md
acinclude.m4
configure.ac
doc/Makefile.am
doc/asciidoc.conf
doc/libmodbus.txt
doc/modbus_close.txt
doc/modbus_connect.txt
doc/modbus_flush.txt
doc/modbus_free.txt
doc/modbus_get_byte_from_bits.txt
doc/modbus_get_byte_timeout.txt
doc/modbus_get_float.txt
doc/modbus_get_float_abcd.txt
doc/modbus_get_float_badc.txt
doc/modbus_get_float_cdab.txt
@@ -10,11 +10,10 @@
 .libs
 .DS_Store
  
-# Emacs
-GPATH
-GRTAGS
-GSYMS
-GTAGS
+# Editors
+/*.sublime-*
+/.vscode
+/.venv
  
 # Generated by Autotools
 INSTALL
@@ -28,17 +27,17 @@ Makefile.in
 /configure.scan
 /depcomp
 /install-sh
+/libmodbus.pc
 /libtool
 /ltmain.sh
 /missing
-/libmodbus.pc
 /stamp-h1
 src/modbus-version.h
 src/win32/modbus.dll.manifest
 tests/unit-test.h
  
-/*.sublime-*
-/.vscode
+# mkdocs
+/site
  
 # Binary
 tests/bandwidth-client
@@ -50,8 +49,3 @@ tests/unit-test-client
 tests/unit-test-server
 tests/version
 tests/stamp-h2
-
-# Documentation
-doc/*.html
-doc/*.3
-doc/*.7
@@ -4,7 +4,7 @@ How Do I Submit A Good Bug Report?
 Please, don't send direct emails to Stéphane Raimbault unless you want
 commercial support.
  
-Take care to read the documentation at http://libmodbus.org/documentation/.
+Take care to read the documentation at http://libmodbus.org/.
  
 - *Be sure it's a bug before creating an issue*, in doubt, post a message on
   https://groups.google.com/forum/#!forum/libmodbus or send an email to
@@ -24,6 +24,6 @@ the clients are connected (TCP, RTU, ASCII) and the source code you are using.
  
 - *Enable the debug mode*, libmodbus provides a function to display the content
 of the Modbus messages and it's very convenient to analyze issues
-(http://libmodbus.org/docs/latest/modbus_set_debug.html).
+(http://libmodbus.org/docs/modbus_set_debug/).
  
 Good bug reports provide right and quick fixes!
@@ -34,7 +34,7 @@ When you get here and you are still convinced that you want to report a bug:
  
 - *Enable the debug mode*, libmodbus provides a function to display the content
    of the Modbus messages and it's very convenient to analyze issues
-   (<http://libmodbus.org/docs/latest/modbus_set_debug.html>).
+   (<http://libmodbus.org/docs/modbus_set_debug/>).
  
 Good bug reports provide right and quick fixes!
  
@@ -9,7 +9,7 @@ CLEANFILES += libmodbus.pc
  
 dist_doc_DATA = MIGRATION README.md AUTHORS NEWS
  
-SUBDIRS = src doc
+SUBDIRS = src
  
 if BUILD_TESTS
 SUBDIRS += tests
-A groovy modbus library
-=======================
+# A groovy modbus library
  
 ![Build Status](https://github.com/stephane/libmodbus/actions/workflows/build.yml/badge.svg)
  
-Overview
---------
+## Overview
  
 libmodbus is a free software library to send/receive data with a device which
 respects the Modbus protocol. This library can use a serial port or an Ethernet
@@ -15,21 +13,15 @@ Protocol Reference Guide which can be obtained from [www.modbus.org](http://www.
  
 The license of libmodbus is *LGPL v2.1 or later*.
  
-The documentation is available as manual pages (`man libmodbus` to read general
-description and list of available functions) or Web pages
-[www.libmodbus.org/documentation/](http://libmodbus.org/documentation/). The
-documentation is licensed under the Creative Commons Attribution-ShareAlike
-License 3.0 (Unported) (<http://creativecommons.org/licenses/by-sa/3.0/>).
-
-The official website is [www.libmodbus.org](http://www.libmodbus.org).
+The official website is [www.libmodbus.org](http://www.libmodbus.org). The
+website contains the latest version of the documentation.
  
 The library is written in C and designed to run on Linux, Mac OS X, FreeBSD, Embox,
 QNX and Windows.
  
 You can use the library on MCUs with Embox RTOS.
  
-Installation
-------------
+## Installation
  
 You will only need to install automake, autoconf, libtool and a C compiler (gcc
 or clang) to compile the library and asciidoc and xmlto to generate the
@@ -59,19 +51,7 @@ automake libtool`.
  
 To build under Embox, you have to use its build system.
  
-Documentation
--------------
-
-The documentation is available [online](http://libmodbus.org/documentation) or
-as manual pages after installation.
-
-The documentation is based on
-[AsciiDoc](http://www.methods.co.nz/asciidoc/).  Only man pages are built
-by default with `make` command, you can run `make htmldoc` in *doc* directory
-to generate HTML files.
-
-Testing
--------
+## Testing
  
 Some tests are provided in *tests* directory, you can freely edit the source
 code to fit your needs (it's Free Software :).
@@ -87,7 +67,15 @@ By default, all TCP unit tests will be executed (see --help for options).
  
 It's also possible to run the unit tests with `make check`.
  
-To report a bug or to contribute
---------------------------------
+## To report a bug or to contribute
  
 See [CONTRIBUTING](CONTRIBUTING.md) document.
+
+## Documentation
+
+You can serve the local documentation with:
+
+```shell
+pip install mkdocs-material
+mkdocs serve
+```
-dnl ##############################################################################
-dnl # AC_LIBMODBUS_CHECK_BUILD_DOC                                               #
-dnl # Check whether to build documentation and install man-pages                 #
-dnl ##############################################################################
-AC_DEFUN([AC_LIBMODBUS_CHECK_BUILD_DOC], [{
-    # Allow user to disable doc build
-    AC_ARG_WITH([documentation], [AS_HELP_STRING([--without-documentation],
-        [disable documentation build even if asciidoc and xmlto are present [default=no]])])
-
-    if test "x$with_documentation" = "xno"; then
-        ac_libmodbus_build_doc="no"
-    else
-        # Determine whether or not documentation should be built and installed.
-        ac_libmodbus_build_doc="yes"
-        # Check for asciidoc and xmlto and don't build the docs if these are not installed.
-        AC_CHECK_PROG(ac_libmodbus_have_asciidoc, asciidoc, yes, no)
-        AC_CHECK_PROG(ac_libmodbus_have_xmlto, xmlto, yes, no)
-        if test "x$ac_libmodbus_have_asciidoc" = "xno" -o "x$ac_libmodbus_have_xmlto" = "xno"; then
-           ac_libmodbus_build_doc="no"
-        fi
-    fi
-
-    AC_MSG_CHECKING([whether to build documentation])
-    AC_MSG_RESULT([$ac_libmodbus_build_doc])
-    if test "x$ac_libmodbus_build_doc" = "xno"; then
-        AC_MSG_WARN([The tools to build the documentation aren't installed])
-    fi
-    AM_CONDITIONAL(BUILD_DOC, test "x$ac_libmodbus_build_doc" = "xyes")
-}])
@@ -94,9 +94,6 @@ AC_CHECK_HEADERS([ \
     unistd.h \
 ])
  
-# Check whether to build docs / install man pages
-AC_LIBMODBUS_CHECK_BUILD_DOC
-
 # Cygwin defines IPTOS_LOWDELAY but can't handle that flag so it's necessary to
 # workaround that problem and Cygwin doesn't define MSG_DONTWAIT.
 AC_CHECK_DECLS([__CYGWIN__])
@@ -161,7 +158,6 @@ AC_CONFIG_FILES([
         src/modbus-version.h
         src/win32/modbus.dll.manifest
         tests/Makefile
-        doc/Makefile
         libmodbus.pc
 ])
  
@@ -179,6 +175,5 @@ AC_MSG_RESULT([
         cflags:                 ${CFLAGS}
         ldflags:                ${LDFLAGS}
  
-        documentation:          ${ac_libmodbus_build_doc}
         tests:                  ${enable_tests}
 ])
-TXT3 = \
-        modbus_close.txt \
-        modbus_connect.txt \
-        modbus_flush.txt \
-        modbus_free.txt \
-        modbus_get_indication_timeout.txt \
-        modbus_get_slave.txt \
-        modbus_get_byte_from_bits.txt \
-        modbus_get_byte_timeout.txt \
-        modbus_get_float.txt \
-        modbus_get_float_abcd.txt \
-        modbus_get_float_badc.txt \
-        modbus_get_float_cdab.txt \
-        modbus_get_float_dcba.txt \
-        modbus_get_header_length.txt \
-        modbus_get_response_timeout.txt \
-        modbus_get_socket.txt \
-        modbus_mapping_free.txt \
-        modbus_mapping_new.txt \
-        modbus_mapping_new_start_address.txt \
-        modbus_mask_write_register.txt \
-        modbus_new_rtu.txt \
-        modbus_new_tcp_pi.txt \
-        modbus_new_tcp.txt \
-        modbus_read_bits.txt \
-        modbus_read_input_bits.txt \
-        modbus_read_input_registers.txt \
-        modbus_read_registers.txt \
-        modbus_receive_confirmation.txt \
-        modbus_receive.txt \
-        modbus_reply_exception.txt \
-        modbus_reply.txt \
-        modbus_report_slave_id.txt \
-        modbus_rtu_get_serial_mode.txt \
-        modbus_rtu_set_serial_mode.txt \
-        modbus_rtu_get_rts.txt \
-        modbus_rtu_set_rts.txt \
-        modbus_rtu_set_custom_rts.txt \
-        modbus_rtu_get_rts_delay.txt \
-        modbus_rtu_set_rts_delay.txt \
-        modbus_send_raw_request.txt \
-        modbus_set_bits_from_bytes.txt \
-        modbus_set_bits_from_byte.txt \
-        modbus_set_byte_timeout.txt \
-        modbus_set_debug.txt \
-        modbus_set_error_recovery.txt \
-        modbus_set_float.txt \
-        modbus_set_float_abcd.txt \
-        modbus_set_float_badc.txt \
-        modbus_set_float_cdab.txt \
-        modbus_set_float_dcba.txt \
-        modbus_set_indication_timeout.txt \
-        modbus_set_response_timeout.txt \
-        modbus_set_slave.txt \
-        modbus_set_socket.txt \
-        modbus_strerror.txt \
-        modbus_tcp_accept.txt \
-        modbus_tcp_pi_accept.txt \
-        modbus_tcp_listen.txt \
-        modbus_tcp_pi_listen.txt \
-        modbus_write_and_read_registers.txt \
-        modbus_write_bits.txt \
-        modbus_write_bit.txt \
-        modbus_write_registers.txt \
-        modbus_write_register.txt
-TXT7 = libmodbus.txt
-
-EXTRA_DIST = asciidoc.conf $(TXT3) $(TXT7)
-
-MAN3 = $(TXT3:%.txt=%.3)
-MAN7 = $(TXT7:%.txt=%.7)
-
-if BUILD_DOC
-man3_MANS = $(MAN3)
-man7_MANS = $(MAN7)
-endif
-
-HTML = $(TXT3:%.txt=%.html) $(TXT7:%.txt=%.html)
-
-htmldoc: $(HTML)
-
-.txt.html:
-	asciidoc -d manpage -b xhtml11 -f asciidoc.conf -alibmodbus_version=@LIBMODBUS_VERSION@ $<
-
-.txt.3 .txt.7:
-	a2x --doctype manpage --format manpage -alibmodbus_version=@LIBMODBUS_VERSION@ $<
-
-CLEANFILES = *.3 *.7 *.html
-[paradef-default]
-literal-style=template="literalparagraph"
-
-[macros]
-(?su)[\\]?(?P<name>linkmb):(?P<target>\S*?)\[(?P<attrlist>.*?)\]=
-
-ifdef::backend-docbook[]
-[linkmb-inlinemacro]
-{0%{target}}
-{0#<citerefentry>}
-{0#<refentrytitle>{target}</refentrytitle><manvolnum>{0}</manvolnum>}
-{0#</citerefentry>}
-endif::backend-docbook[]
-
-ifdef::backend-xhtml11[]
-[linkmb-inlinemacro]
-<a href="{target}.html">{target}{0?({0})}</a>
-endif::backend-xhtml11[]
-
-ifdef::doctype-manpage[]
-ifdef::backend-docbook[]
-[header]
-template::[header-declarations]
-<refentry>
-<refmeta>
-<refentrytitle>{mantitle}</refentrytitle>
-<manvolnum>{manvolnum}</manvolnum>
-<refmiscinfo class="source">libmodbus</refmiscinfo>
-<refmiscinfo class="version">v{libmodbus_version}</refmiscinfo>
-<refmiscinfo class="manual">libmodbus Manual</refmiscinfo>
-</refmeta>
-<refnamediv>
-  <refname>{manname}</refname>
-  <refpurpose>{manpurpose}</refpurpose>
-</refnamediv>
-endif::backend-docbook[]
-endif::doctype-manpage[]
-
-ifdef::backend-xhtml11[]
-[footer]
-</div>
-{disable-javascript%<div id="footnotes"><hr /></div>}
-<div id="footer">
-<div id="footer-text">
-libmodbus {libmodbus_version}<br />
-Last updated {docdate} {doctime}
-</div>
-</div>
-</body>
-</html>
-endif::backend-xhtml11[]
-libmodbus(7)
-============
-
-
-NAME
-----
-libmodbus - a fast and portable Modbus library
-
-
-SYNOPSIS
---------
-*#include <modbus.h>*
-
-*cc* 'files' \`pkg-config --cflags --libs libmodbus`
-
-DESCRIPTION
------------
-libmodbus is a library to send/receive data with a device which respects the
-Modbus protocol. This library contains various backends to communicate over
-different networks (eg. serial in RTU mode or Ethernet in TCP/IPv6). The
-http://www.modbus.org site provides documentation about the protocol at
-http://www.modbus.org/specs.php.
-
-libmodbus provides an abstraction of the lower communication layers and offers
-the same API on all supported platforms.
-
-This documentation presents an overview of libmodbus concepts, describes how
-libmodbus abstracts Modbus communication with different hardware and platforms
-and provides a reference manual for the functions provided by the libmodbus
-library.
-
-
-Contexts
-~~~~~~~~
-The Modbus protocol contains many variants (eg. serial RTU or Ethernet TCP), to
-ease the implementation of a variant, the library was designed to use a backend
-for each variant. The backends are also a convenient way to fulfill other
-requirements (eg. real-time operations). Each backend offers a specific function
-to create a new 'modbus_t' context. The 'modbus_t' context is an opaque
-structure containing all necessary information to establish a connection with
-other Modbus devices according to the selected variant.
-
-You can choose the best context for your needs among:
-
-RTU Context
-^^^^^^^^^^^
-The RTU backend (Remote Terminal Unit) is used in serial communication and makes
-use of a compact, binary representation of the data for protocol
-communication. The RTU format follows the commands/data with a cyclic redundancy
-check checksum as an error check mechanism to ensure the reliability of
-data. Modbus RTU is the most common implementation available for Modbus. A
-Modbus RTU message must be transmitted continuously without inter-character
-hesitations (extract from Wikipedia, Modbus, http://en.wikipedia.org/wiki/Modbus
-(as of Mar. 13, 2011, 20:51 GMT).
-
-The Modbus RTU framing calls a slave, a device/service which handle Modbus
-requests, and a master, a client which send requests. The communication is
-always initiated by the master.
-
-Many Modbus devices can be connected together on the same physical link so
-before sending a message, you must set the slave (receiver) with
-linkmb:modbus_set_slave[3]. If you're running a slave, its slave number will be
-used to filter received messages.
-
-The libmodbus implementation of RTU isn't time based as stated in original
-Modbus specification, instead all bytes are sent as fast as possible and a
-response or an indication is considered complete when all expected characters
-have been received. This implementation offers very fast communication but you
-must take care to set a response timeout of slaves less than response timeout of
-master (ortherwise other slaves may ignore master requests when one of the slave
-is not responding).
-
-Create a Modbus RTU context::
-    - linkmb:modbus_new_rtu[3]
-
-
-Set the serial mode::
-    -  linkmb:modbus_rtu_get_serial_mode[3]
-    -  linkmb:modbus_rtu_set_serial_mode[3]
-    -  linkmb:modbus_rtu_get_rts[3]
-    -  linkmb:modbus_rtu_set_rts[3]
-    -  linkmb:modbus_rtu_set_custom_rts[3]
-    -  linkmb:modbus_rtu_get_rts_delay[3]
-    -  linkmb:modbus_rtu_set_rts_delay[3]
-
-
-TCP (IPv4) Context
-^^^^^^^^^^^^^^^^^^
-The TCP backend implements a Modbus variant used for communications over
-TCP/IPv4 networks. It does not require a checksum calculation as lower layer
-takes care of the same.
-
-Create a Modbus TCP context::
-    - linkmb:modbus_new_tcp[3]
-
-
-TCP PI (IPv4 and IPv6) Context
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The TCP PI (Protocol Independent) backend implements a Modbus variant used for
-communications over TCP IPv4 and IPv6 networks. It does not require a checksum
-calculation as lower layer takes care of the same.
-
-Contrary to the TCP IPv4 only backend, the TCP PI backend offers hostname
-resolution but it consumes about 1Kb of additional memory.
-
-Create a Modbus TCP context::
-    - linkmb:modbus_new_tcp_pi[3]
-
-
-Common
-^^^^^^
-Before using any libmodbus functions, the caller must allocate and initialize a
-'modbus_t' context with functions explained above, then the following functions
-are provided to modify and free a 'context':
-
-Free libmodbus context::
-    - linkmb:modbus_free[3]
-
-Set slave ID::
-    - linkmb:modbus_set_slave[3]
-
-Enable debug mode::
-    - linkmb:modbus_set_debug[3]
-
-Timeout settings::
-    - linkmb:modbus_get_byte_timeout[3]
-    - linkmb:modbus_set_byte_timeout[3]
-    - linkmb:modbus_get_response_timeout[3]
-    - linkmb:modbus_set_response_timeout[3]
-
-Error recovery mode::
-    - linkmb:modbus_set_error_recovery[3]
-
-Setter/getter of internal socket::
-    - linkmb:modbus_set_socket[3]
-    - linkmb:modbus_get_socket[3]
-
-Information about header::
-    - linkmb:modbus_get_header_length[3]
-
-Macros for data manipulation::
-
-    - MODBUS_GET_HIGH_BYTE(data), extracts the high byte from a byte
-    - MODBUS_GET_LOW_BYTE(data), extracts the low byte from a byte
-    - MODBUS_GET_INT64_FROM_INT16(tab_int16, index), builds an int64 from the four
-      first int16 starting at tab_int16[index]
-    - MODBUS_GET_INT32_FROM_INT16(tab_int16, index), builds an int32 from the two
-      first int16 starting at tab_int16[index]
-    - MODBUS_GET_INT16_FROM_INT8(tab_int8, index), builds an int16 from the two
-      first int8 starting at tab_int8[index]
-    - MODBUS_SET_INT16_TO_INT8(tab_int8, index, value), set an int16 value into
-      the two first bytes starting at tab_int8[index]
-    - MODBUS_SET_INT32_TO_INT16(tab_int16, index, value), set an int32 value into
-      the two first int16 starting at tab_int16[index]
-    - MODBUS_SET_INT64_TO_INT16(tab_int16, index, value), set an int64 value into
-      the four first int16 starting at tab_int16[index]
-
-Handling of bits and bytes::
-    - linkmb:modbus_set_bits_from_byte[3]
-    - linkmb:modbus_set_bits_from_bytes[3]
-    - linkmb:modbus_get_byte_from_bits[3]
-
-Set or get float numbers::
-    - linkmb:modbus_get_float_abcd[3]
-    - linkmb:modbus_set_float_abcd[3]
-    - linkmb:modbus_get_float_badc[3]
-    - linkmb:modbus_set_float_badc[3]
-    - linkmb:modbus_get_float_cdab[3]
-    - linkmb:modbus_set_float_cdab[3]
-    - linkmb:modbus_get_float_dcba[3]
-    - linkmb:modbus_set_float_dcba[3]
-    - linkmb:modbus_get_float[3] (deprecated)
-    - linkmb:modbus_set_float[3] (deprecated)
-
-
-
-Connection
-~~~~~~~~~~
-The following functions are provided to establish and close a connection with
-Modbus devices:
-
-Establish a connection::
-    - linkmb:modbus_connect[3]
-
-Close a connection::
-    - linkmb:modbus_close[3]
-
-Flush a connection::
-    - linkmb:modbus_flush[3]
-
-
-Client
-~~~~~~
-The Modbus protocol defines different data types and functions to read and write
-them from/to remote devices. The following functions are used by the clients to
-send Modbus requests:
-
-Read data::
-    -  linkmb:modbus_read_bits[3]
-    -  linkmb:modbus_read_input_bits[3]
-    -  linkmb:modbus_read_registers[3]
-    -  linkmb:modbus_read_input_registers[3]
-    -  linkmb:modbus_report_slave_id[3]
-
-Write data::
-    -  linkmb:modbus_write_bit[3]
-    -  linkmb:modbus_write_register[3]
-    -  linkmb:modbus_write_bits[3]
-    -  linkmb:modbus_write_registers[3]
-
-Write and read data::
-    -   linkmb:modbus_write_and_read_registers[3]
-
-Raw requests::
-    - linkmb:modbus_send_raw_request[3]
-    - linkmb:modbus_receive_confirmation[3]
-
-Reply an exception::
-    - linkmb:modbus_reply_exception[3]
-
-
-Server
-~~~~~~
-The server is waiting for request from clients and must answer when it is
-concerned by the request. The libmodbus offers the following functions to
-handle requests:
-
-Data mapping::
-    -  linkmb:modbus_mapping_new[3]
-    -  linkmb:modbus_mapping_free[3]
-
-Receive::
-    -  linkmb:modbus_receive[3]
-
-Reply::
-    -  linkmb:modbus_reply[3]
-    -  linkmb:modbus_reply_exception[3]
-
-
-ERROR HANDLING
---------------
-The libmodbus functions handle errors using the standard conventions found on
-POSIX systems. Generally, this means that upon failure a libmodbus function
-shall return either a NULL value (if returning a pointer) or a negative value
-(if returning an integer), and the actual error code shall be stored in the
-'errno' variable.
-
-The *modbus_strerror()* function is provided to translate libmodbus-specific
-error codes into error message strings; for details refer to
-linkmb:modbus_strerror[3].
-
-
-MISCELLANEOUS
--------------
-The _LIBMODBUS_VERSION_STRING_ constant indicates the libmodbus version the
-program has been compiled against. The variables 'libmodbus_version_major',
-'libmodbus_version_minor', 'libmodbus_version_micro' give the version the
-program is linked against.
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-
-
-RESOURCES
----------
-Main web site: <http://www.libmodbus.org/>
-
-Report bugs on the issue tracker at
-<http://github.com/stephane/libmodbus/issues>.
-
-
-COPYING
--------
-Free use of this software is granted under the terms of the GNU Lesser General
-Public License (LGPL v2.1+). For details see the file `COPYING.LESSER` included
-with the libmodbus distribution.
-modbus_close(3)
-===============
-
-
-NAME
-----
-modbus_close - close a Modbus connection
-
-
-SYNOPSIS
---------
-*void modbus_close(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_close()* function shall close the connection established with the
-backend set in the context.
-
-
-RETURN VALUE
-------------
-There is no return value.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-
-ctx = modbus_new_tcp("127.0.0.1", 502);
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
-
-modbus_close(ctx);
-modbus_free(ctx);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_connect[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_connect(3)
-=================
-
-
-NAME
-----
-modbus_connect - establish a Modbus connection
-
-
-SYNOPSIS
---------
-*int modbus_connect(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_connect()* function shall establish a connection to a Modbus server,
-a network or a bus using the context information of libmodbus context given in
-argument.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno to one of the values defined by the system calls of the underlying
-platform.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-
-ctx = modbus_new_tcp("127.0.0.1", 502);
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_close[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_flush(3)
-===============
-
-
-NAME
-----
-modbus_flush - flush non-transmitted data
-
-
-SYNOPSIS
---------
-*int modbus_flush(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_flush()* function shall discard data received but not read to the
-socket or file descriptor associated to the context 'ctx'.
-
-
-RETURN VALUE
-------------
-The function shall return 0 or the number of flushed bytes if
-successful. Otherwise it shall return -1 and set errno.
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_free(3)
-==============
-
-
-NAME
-----
-modbus_free - free a libmodbus context
-
-
-SYNOPSIS
---------
-*void modbus_free(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_free()* function shall free an allocated modbus_t structure.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:libmodbus[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_byte_from_bits(3)
-============================
-
-NAME
-----
-modbus_get_byte_from_bits - get the value from many bits
-
-
-SYNOPSIS
---------
-*uint8_t modbus_get_byte_from_bits(const uint8_t *'src', int 'index', unsigned int 'nb_bits');*
-
-
-DESCRIPTION
------------
-The *modbus_get_byte_from_bits()* function shall extract a value from many
-bits. All _nb_bits_ bits from _src_ at position _index_ will be read as a
-single value. To obtain a full byte, set nb_bits to 8.
-
-
-RETURN VALUE
-------------
-The function shall return a byte containing the bits read.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_bits_from_byte[3]
-linkmb:modbus_set_bits_from_bytes[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_byte_timeout(3)
-==========================
-
-
-NAME
-----
-modbus_get_byte_timeout - get timeout between bytes
-
-
-SYNOPSIS
---------
-*int modbus_get_byte_timeout(modbus_t *'ctx', uint32_t *'to_sec', uint32_t *'to_usec');*
-
-
-DESCRIPTION
------------
-The *modbus_get_byte_timeout()* function shall store the timeout interval
-between two consecutive bytes of the same message in the _to_sec_ and _to_usec_
-arguments.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint32_t to_sec;
-uint32_t to_usec;
-
-/* Save original timeout */
-modbus_get_byte_timeout(ctx, &to_sec, &to_usec);
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_set_byte_timeout[3]
-linkmb:modbus_get_response_timeout[3]
-linkmb:modbus_set_response_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_float(3)
-===================
-
-
-NAME
-----
-modbus_get_float - get a float value from 2 registers
-
-
-SYNOPSIS
---------
-*float modbus_get_float(const uint16_t *'src');*
-
-Warning, this function is *deprecated* since libmodbus v3.2.0 and has been
-replaced by *modbus_get_float_dcba()*.
-
-DESCRIPTION
------------
-The *modbus_get_float()* function shall get a float from 4 bytes in Modbus
-format (DCBA byte order). The _src_ array must be a pointer on two 16 bits
-values, for example, if the first word is set to 0x4465 and the second to
-0x229a, the float value will be 916.540649.
-
-
-RETURN VALUE
-------------
-The function shall return a float.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_float[3]
-linkmb:modbus_set_float_dcba[3]
-linkmb:modbus_get_float_dcba[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_float_abcd(3)
-========================
-
-
-NAME
-----
-modbus_get_float_abcd - get a float value from 2 registers in ABCD byte order
-
-
-SYNOPSIS
---------
-*float modbus_get_float_abcd(const uint16_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_get_float_abcd()* function shall get a float from 4 bytes in usual
-Modbus format. The _src_ array must be a pointer on two 16 bits values, for
-example, if the first word is set to 0x0020 and the second to 0xF147, the float
-value will be read as 123456.0.
-
-
-RETURN VALUE
-------------
-The function shall return a float.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_float_abcd[3]
-linkmb:modbus_get_float_badc[3]
-linkmb:modbus_get_float_cdab[3]
-linkmb:modbus_get_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_float_badc(3)
-========================
-
-
-NAME
-----
-modbus_get_float_badc - get a float value from 2 registers in BADC byte order
-
-
-SYNOPSIS
---------
-*float modbus_get_float_badc(const uint16_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_get_float_badc()* function shall get a float from 4 bytes with
-swapped bytes (BADC instead of ABCD). The _src_ array must be a pointer on two
-16 bits values, for example, if the first word is set to 0x2000 and the second
-to 0x47F1, the float value will be read as 123456.0.
-
-
-RETURN VALUE
-------------
-The function shall return a float.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_float_badc[3]
-linkmb:modbus_get_float_abcd[3]
-linkmb:modbus_get_float_cdab[3]
-linkmb:modbus_get_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_float_cdab(3)
-========================
-
-
-NAME
-----
-modbus_get_float_cdab - get a float value from 2 registers in CDAB byte order
-
-
-SYNOPSIS
---------
-*float modbus_get_float_cdab(const uint16_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_get_float_cdab()* function shall get a float from 4 bytes with
-swapped words (CDAB order instead of ABCD). The _src_ array must be a pointer on
-two 16 bits values, for example, if the first word is set to F147 and the second
-to 0x0020, the float value will be read as 123456.0.
-
-
-RETURN VALUE
-------------
-The function shall return a float.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_float_cdab[3]
-linkmb:modbus_get_float_abcd[3]
-linkmb:modbus_get_float_badc[3]
-linkmb:modbus_get_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_float_dcba(3)
-========================
-
-
-NAME
-----
-modbus_get_float_dcba - get a float value from 2 registers in DCBA byte order
-
-
-SYNOPSIS
---------
-*float modbus_get_float_dcba(const uint16_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_get_float_dcba()* function shall get a float from 4 bytes in
-inversed Modbus format (DCBA order instead of ABCD). The _src_ array must be a
-pointer on two 16 bits values, for example, if the first word is set to 0x47F1
-and the second to 0x2000, the float value will be read as 123456.0.
-
-
-RETURN VALUE
-------------
-The function shall return a float.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_float_dcba[3]
-linkmb:modbus_get_float_abcd[3]
-linkmb:modbus_get_float_badc[3]
-linkmb:modbus_get_float_cdab[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_header_length(3)
-===========================
-
-
-NAME
-----
-modbus_get_header_length - retrieve the current header length
-
-
-SYNOPSIS
---------
-*int modbus_get_header_length(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_get_header_length()* function shall retrieve the current header
-length from the backend. This function is convenient to manipulate a message and
-so its limited to low-level operations.
-
-
-RETURN VALUE
-------------
-The header length as integer value.
-
-
-SEE ALSO
---------
-linkmb:libmodbus[7]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_indication_timeout(3)
-================================
-
-
-NAME
-----
-modbus_get_indication_timeout - get timeout used to wait for an indication (request received by a server).
-
-SYNOPSIS
---------
-*int modbus_get_indication_timeout(modbus_t *'ctx', uint32_t *'to_sec', uint32_t *'to_usec');*
-
-
-DESCRIPTION
------------
-
-The *modbus_get_indication_timeout()* function shall store the timeout interval
-used to wait for an indication in the _to_sec_ and _to_usec_ arguments.
-Indication is the term used by the Modbus protocol to designate a request
-received by the server.
-
-The default value is zero, it means the server will wait forever.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint32_t to_sec;
-uint32_t to_usec;
-
-/* Save original timeout */
-modbus_get_indication_timeout(ctx, &to_sec, &to_usec);
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_set_indication_timeout[3]
-linkmb:modbus_get_response_timeout[3]
-linkmb:modbus_set_response_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_response_timeout(3)
-==============================
-
-
-NAME
-----
-modbus_get_response_timeout - get timeout for response
-
-
-SYNOPSIS
---------
-*int modbus_get_response_timeout(modbus_t *'ctx', uint32_t *'to_sec', uint32_t *'to_usec');*
-
-
-DESCRIPTION
------------
-The *modbus_get_response_timeout()* function shall return the timeout interval
-used to wait for a response in the _to_sec_ and _to_usec_ arguments.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint32_t old_response_to_sec;
-uint32_t old_response_to_usec;
-
-/* Save original timeout */
-modbus_get_response_timeout(ctx, &old_response_to_sec, &old_response_to_usec);
-
-/* Define a new and too short timeout! */
-modbus_set_response_timeout(ctx, 0, 0);
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_set_response_timeout[3]
-linkmb:modbus_get_byte_timeout[3]
-linkmb:modbus_set_byte_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_slave(3)
-===================
-
-
-NAME
-----
-modbus_get_slave - get slave number in the context
-
-
-SYNOPSIS
---------
-*int modbus_get_slave(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_get_slave()* function shall get the slave number in the libmodbus
-context.
-
-
-RETURN VALUE
-------------
-The function shall return the slave number if successful. Otherwise it shall return -1
-and set errno to one of the values defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-The libmodbus context is undefined.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_slave[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_get_socket(3)
-====================
-
-
-NAME
-----
-modbus_get_socket - get the current socket of the context
-
-
-SYNOPSIS
---------
-*int modbus_get_socket(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_get_socket()* function shall return the current socket or file
-descriptor of the libmodbus context.
-
-
-RETURN VALUE
-------------
-The function returns the current socket or file descriptor of the context if
-successful. Otherwise it shall return -1 and set errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_socket[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_mapping_free(3)
-=====================
-
-
-NAME
-----
-modbus_mapping_free - free a modbus_mapping_t structure
-
-
-SYNOPSIS
---------
-*void modbus_mapping_free(modbus_mapping_t *'mb_mapping');*
-
-
-DESCRIPTION
------------
-The function shall free the four arrays of mb_mapping_t structure and finally
-the mb_mapping_t referenced by _mb_mapping_.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_mapping_new[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_mapping_new(3)
-=====================
-
-
-NAME
-----
-modbus_mapping_new - allocate four arrays of bits and registers
-
-
-SYNOPSIS
---------
-*modbus_mapping_t* modbus_mapping_new(int 'nb_bits', int 'nb_input_bits', int 'nb_registers', int 'nb_input_registers');*
-
-
-DESCRIPTION
------------
-The *modbus_mapping_new()* function shall allocate four arrays to store bits,
-input bits, registers and inputs registers. The pointers are stored in
-modbus_mapping_t structure. All values of the arrays are initialized to zero.
-
-This function is equivalent to a call of the
-linkmb:modbus_mapping_new_start_address[3] function with all start addresses to
-`0`.
-
-If it isn't necessary to allocate an array for a specific type of data, you can
-pass the zero value in argument, the associated pointer will be NULL.
-
-This function is convenient to handle requests in a Modbus server/slave.
-
-
-RETURN VALUE
-------------
-The function shall return the new allocated structure if successful. Otherwise
-it shall return NULL and set errno.
-
-
-ERRORS
-------
-*ENOMEM*::
-Not enough memory
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-/* The first value of each array is accessible from the 0 address. */
-mb_mapping = modbus_mapping_new(BITS_ADDRESS + BITS_NB,
-                                INPUT_BITS_ADDRESS + INPUT_BITS_NB,
-                                REGISTERS_ADDRESS + REGISTERS_NB,
-                                INPUT_REGISTERS_ADDRESS + INPUT_REGISTERS_NB);
-if (mb_mapping == NULL) {
-    fprintf(stderr, "Failed to allocate the mapping: %s\n",
-            modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_mapping_free[3]
-linkmb:modbus_mapping_new_start_address[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_mapping_new_start_address(3)
-===================================
-
-
-NAME
-----
-modbus_mapping_new_start_address - allocate four arrays of bits and registers accessible from their starting addresses
-
-
-SYNOPSIS
---------
-*modbus_mapping_t* modbus_mapping_new_start_address(int 'start_bits', int 'nb_bits',
-                                                    int 'start_input_bits', int 'nb_input_bits',
-                                                    int 'start_registers', int 'nb_registers',
-                                                    int 'start_input_registers', int 'nb_input_registers');*
-
-
-DESCRIPTION
------------
-The _modbus_mapping_new_start_address()_ function shall allocate four arrays to
-store bits, input bits, registers and inputs registers. The pointers are stored
-in modbus_mapping_t structure. All values of the arrays are initialized to zero.
-
-The different starting addresses make it possible to place the mapping at any
-address in each address space. This way, you can give access to values stored
-at high addresses without allocating memory from the address zero, for eg. to
-make available registers from 10000 to 10009, you can use:
-
-[source,c]
--------------------
-mb_mapping = modbus_mapping_new_start_address(0, 0, 0, 0, 10000, 10, 0, 0);
--------------------
-
-With this code, only 10 registers (`uint16_t`) are allocated.
-
-If it isn't necessary to allocate an array for a specific type of data, you can
-pass the zero value in argument, the associated pointer will be NULL.
-
-This function is convenient to handle requests in a Modbus server/slave.
-
-
-RETURN VALUE
-------------
-The _modbus_mapping_new_start_address()_ function shall return the new allocated structure if
-successful. Otherwise it shall return NULL and set errno.
-
-
-ERRORS
-------
-ENOMEM::
-Not enough memory
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-/* The first value of each array is accessible at the defined address.
-   The end address is ADDRESS + NB - 1. */
-mb_mapping = modbus_mapping_new_start_address(BITS_ADDRESS, BITS_NB,
-                                INPUT_BITS_ADDRESS, INPUT_BITS_NB,
-                                REGISTERS_ADDRESS, REGISTERS_NB,
-                                INPUT_REGISTERS_ADDRESS, INPUT_REGISTERS_NB);
-if (mb_mapping == NULL) {
-    fprintf(stderr, "Failed to allocate the mapping: %s\n",
-            modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_mapping_new[3]
-linkmb:modbus_mapping_free[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_mask_write_register(3)
-=============================
-
-
-NAME
-----
-modbus_mask_write_register - mask a single register
-
-
-SYNOPSIS
---------
-*int modbus_mask_write_register(modbus_t *'ctx', int 'addr', uint16_t 'and', uint16_t 'or');*
-
-
-DESCRIPTION
------------
-The *modbus_mask_write_register()* function shall modify the value of the
-holding register at the address 'addr' of the remote device using the algorithm:
-
-  new value = (current value AND 'and') OR ('or' AND (NOT 'and'))
-
-The function uses the Modbus function code 0x16 (mask single register).
-
-
-RETURN VALUE
-------------
-The function shall return 1 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_read_registers[3]
-linkmb:modbus_write_registers[3]
-
-
-AUTHORS
--------
-Martijn de Gouw <martijn.de.gouw@prodrive.nl>
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_new_rtu(3)
-=================
-
-
-NAME
-----
-modbus_new_rtu - create a libmodbus context for RTU
-
-
-SYNOPSIS
---------
-*modbus_t *modbus_new_rtu(const char *'device', int 'baud', char 'parity', int 'data_bit', int 'stop_bit');*
-
-
-
-DESCRIPTION
------------
-The *modbus_new_rtu()* function shall allocate and initialize a _modbus_t_
-structure to communicate in RTU mode on a serial line.
-
-The _device_ argument specifies the name of the serial port handled by the OS,
-eg. "/dev/ttyS0" or "/dev/ttyUSB0". On Windows, it's necessary to prepend COM
-name with "\\.\" for COM number greater than 9, eg. "\\\\.\\COM10". See
-http://msdn.microsoft.com/en-us/library/aa365247(v=vs.85).aspx for details
-
-The _baud_ argument specifies the baud rate of the communication, eg. 9600,
-19200, 57600, 115200, etc.
-
-The _parity_ argument can have one of the following values:::
-* _N_ for none
-* _E_ for even
-* _O_ for odd
-
-The _data_bits_ argument specifies the number of bits of data, the allowed
-values are 5, 6, 7 and 8.
-
-The _stop_bits_ argument specifies the bits of stop, the allowed values are 1
-and 2.
-
-Once the _modbus_t_ structure is initialized, you must set the slave of your
-device with linkmb:modbus_set_slave[3] and connect to the serial bus with
-linkmb:modbus_connect[3].
-
-RETURN VALUE
-------------
-The function shall return a pointer to a _modbus_t_ structure if
-successful. Otherwise it shall return NULL and set errno to one of the values
-defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-An invalid argument was given.
-
-*ENOMEM*::
-Out of memory. Possibly, the application hits its memory limit and/or whole
-system is running out of memory.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-
-ctx = modbus_new_rtu("/dev/ttyUSB0", 115200, 'N', 8, 1);
-if (ctx == NULL) {
-    fprintf(stderr, "Unable to create the libmodbus context\n");
-    return -1;
-}
-
-modbus_set_slave(ctx, YOUR_DEVICE_ID);
-
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_new_tcp[3]
-linkmb:modbus_free[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_new_tcp(3)
-=================
-
-
-NAME
-----
-modbus_new_tcp - create a libmodbus context for TCP/IPv4
-
-
-SYNOPSIS
---------
-*modbus_t *modbus_new_tcp(const char *'ip', int 'port');*
-
-
-DESCRIPTION
------------
-The *modbus_new_tcp()* function shall allocate and initialize a modbus_t
-structure to communicate with a Modbus TCP IPv4 server.
-
-The _ip_ argument specifies the IP address of the server to which the client
-wants to establish a connection. A NULL value can be used to listen any addresses in
-server mode.
-
-The _port_ argument is the TCP port to use. Set the port to
-`MODBUS_TCP_DEFAULT_PORT` to use the default one (502). It’s convenient to use a
-port number greater than or equal to 1024 because it’s not necessary to have
-administrator privileges.
-
-
-RETURN VALUE
-------------
-The function shall return a pointer to a *modbus_t* structure if
-successful. Otherwise it shall return NULL and set errno to one of the values
-defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-An invalid IP address was given.
-
-*ENOMEM*::
-Out of memory. Possibly, the application hits its memory limit and/or whole
-system is running out of memory.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-
-ctx = modbus_new_tcp("127.0.0.1", 1502);
-if (ctx == NULL) {
-    fprintf(stderr, "Unable to allocate libmodbus context\n");
-    return -1;
-}
-
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_tcp_listen[3]
-linkmb:modbus_free[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_new_tcp_pi(3)
-====================
-
-
-NAME
-----
-modbus_new_tcp_pi - create a libmodbus context for TCP Protocol Independent
-
-
-SYNOPSIS
---------
-*modbus_t *modbus_new_tcp_pi(const char *'node', const char *'service');*
-
-
-DESCRIPTION
------------
-The *modbus_new_tcp_pi()* function shall allocate and initialize a modbus_t
-structure to communicate with a Modbus TCP IPv4 or IPv6 server.
-
-The _node_ argument specifies the host name or IP address of the host to connect
-to, eg. "192.168.0.5" , "::1" or "server.com". A NULL value can be used to
-listen any addresses in server mode.
-
-The _service_ argument is the service name/port number to connect to. To use the
-default Modbus port use the string "502". On many Unix systems, it’s
-convenient to use a port number greater than or equal to 1024 because it’s not
-necessary to have administrator privileges.
-
-
-RETURN VALUE
-------------
-The function shall return a pointer to a *modbus_t* structure if
-successful. Otherwise it shall return NULL and set errno to one of the values
-defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-The node string is empty or has been truncated. The service string is empty or
-has been truncated.
-
-*ENOMEM*::
-Out of memory. Possibly, the application hits its memory limit and/or whole
-system is running out of memory.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-
-ctx = modbus_new_tcp_pi("::1", "1502");
-if (ctx == NULL) {
-    fprintf(stderr, "Unable to allocate libmodbus context\n");
-    return -1;
-}
-
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_new_tcp[3]
-linkmb:modbus_tcp_pi_listen[3]
-linkmb:modbus_free[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_read_bits(3)
-===================
-
-
-NAME
-----
-modbus_read_bits - read many bits
-
-
-SYNOPSIS
---------
-*int modbus_read_bits(modbus_t *'ctx', int 'addr', int 'nb', uint8_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_read_bits()* function shall read the status of the _nb_ bits (coils)
-to the address _addr_ of the remote device. The result of reading is stored in
-_dest_ array as unsigned bytes (8 bits) set to `TRUE` or `FALSE`.
-
-You must take care to allocate enough memory to store the results in _dest_
-(at least _nb_ * sizeof(uint8_t)).
-
-The function uses the Modbus function code 0x01 (read coil status).
-
-
-RETURN VALUE
-------------
-The function shall return the number of read bits if successful. Otherwise it
-shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Too many bits requested
-
-
-SEE ALSO
---------
-linkmb:modbus_write_bit[3]
-linkmb:modbus_write_bits[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_read_input_bits(3)
-=========================
-
-
-NAME
-----
-modbus_read_input_bits - read many input bits
-
-
-SYNOPSIS
---------
-*int modbus_read_input_bits(modbus_t *'ctx', int 'addr', int 'nb', uint8_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_read_input_bits()* function shall read the content of the _nb_ input
-bits to the address _addr_ of the remote device.  The result of reading is stored
-in _dest_ array as unsigned bytes (8 bits) set to _TRUE_ or _FALSE_.
-
-You must take care to allocate enough memory to store the results in _dest_
-(at least _nb_ * sizeof(uint8_t)).
-
-The function uses the Modbus function code 0x02 (read input status).
-
-
-RETURN VALUE
-------------
-The function shall return the number of read input status if
-successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Too many discrete inputs requested
-
-
-SEE ALSO
---------
-linkmb:modbus_read_input_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_read_input_registers(3)
-==============================
-
-
-NAME
-----
-modbus_read_input_registers - read many input registers
-
-
-SYNOPSIS
---------
-*int modbus_read_input_registers(modbus_t *'ctx', int 'addr', int 'nb', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_read_input_registers()* function shall read the content of the _nb_
-input registers to address _addr_ of the remote device. The result of the
-reading is stored in _dest_ array as word values (16 bits).
-
-You must take care to allocate enough memory to store the results in _dest_ (at
-least _nb_ * sizeof(uint16_t)).
-
-The function uses the Modbus function code 0x04 (read input registers). The
-holding registers and input registers have different historical meaning, but
-nowadays it's more common to use holding registers only.
-
-
-RETURN VALUE
-------------
-The function shall return the number of read input registers if
-successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Too many bits requested
-
-
-SEE ALSO
---------
-linkmb:modbus_read_input_bits[3]
-linkmb:modbus_write_register[3]
-linkmb:modbus_write_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_read_registers(3)
-========================
-
-
-NAME
-----
-modbus_read_registers - read many registers
-
-
-SYNOPSIS
---------
-*int modbus_read_registers(modbus_t *'ctx', int 'addr', int 'nb', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_read_registers()* function shall read the content of the _nb_
-holding registers to the address _addr_ of the remote device. The result of
-reading is stored in _dest_ array as word values (16 bits).
-
-You must take care to allocate enough memory to store the results in _dest_
-(at least _nb_ * sizeof(uint16_t)).
-
-The function uses the Modbus function code 0x03 (read holding registers).
-
-
-RETURN VALUE
-------------
-The function shall return the number of read registers
-if successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Too many registers requested
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_t *ctx;
-uint16_t tab_reg[64];
-int rc;
-int i;
-
-ctx = modbus_new_tcp("127.0.0.1", 1502);
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    modbus_free(ctx);
-    return -1;
-}
-
-rc = modbus_read_registers(ctx, 0, 10, tab_reg);
-if (rc == -1) {
-    fprintf(stderr, "%s\n", modbus_strerror(errno));
-    return -1;
-}
-
-for (i=0; i < rc; i++) {
-    printf("reg[%d]=%d (0x%X)\n", i, tab_reg[i], tab_reg[i]);
-}
-
-modbus_close(ctx);
-modbus_free(ctx);
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_write_register[3]
-linkmb:modbus_write_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_receive(3)
-=================
-
-
-NAME
-----
-modbus_receive - receive an indication request
-
-
-SYNOPSIS
---------
-*int modbus_receive(modbus_t *'ctx', uint8_t *'req');*
-
-
-DESCRIPTION
------------
-The *modbus_receive()* function shall receive an indication request from the
-socket of the context _ctx_. This function is used by Modbus slave/server to
-receive and analyze indication request sent by the masters/clients.
-
-If you need to use another socket or file descriptor than the one defined in the
-context _ctx_, see the function linkmb:modbus_set_socket[3].
-
-
-RETURN VALUE
-------------
-The function shall store the indication request in _req_ and return the request
-length if successful. The returned request length can be zero if the indication
-request is ignored (eg. a query for another slave in RTU mode). Otherwise it
-shall return -1 and set errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_socket[3]
-linkmb:modbus_reply[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_receive_confirmation(3)
-==============================
-
-
-NAME
-----
-modbus_receive_confirmation - receive a confirmation request
-
-
-SYNOPSIS
---------
-*int modbus_receive_confirmation(modbus_t *'ctx', uint8_t *'rsp');*
-
-
-DESCRIPTION
------------
-The *modbus_receive_confirmation()* function shall receive a request via the
-socket of the context _ctx_. This function must be used for debugging purposes
-because the received response isn't checked against the initial request. This
-function can be used to receive request not handled by the library.
-
-The maximum size of the response depends on the used backend, in RTU the _rsp_
-array must be _MODBUS_RTU_MAX_ADU_LENGTH_ bytes and in TCP it must be
-_MODBUS_TCP_MAX_ADU_LENGTH_ bytes. If you want to write code compatible with
-both, you can use the constant _MODBUS_MAX_ADU_LENGTH_ (maximum value of all
-libmodbus backends). Take care to allocate enough memory to store responses to
-avoid crashes of your server.
-
-
-RETURN VALUE
-------------
-The function shall store the confirmation request in _rsp_ and return the
-response length if successful. The returned request length can be zero if the
-indication request is ignored (eg. a query for another slave in RTU
-mode). Otherwise it shall return -1 and set errno.
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint8_t rsp[MODBUS_MAX_ADU_LENGTH];
-rc = modbus_receive_confirmation(ctx, rsp);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_send_raw_request[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_reply(3)
-===============
-
-NAME
-----
-modbus_reply - send a response to the received request
-
-
-SYNOPSIS
---------
-*int modbus_reply(modbus_t *'ctx', const uint8_t *'req', int 'req_length', modbus_mapping_t *'mb_mapping');
-
-
-DESCRIPTION
------------
-The *modbus_reply()* function shall send a response to received request. The
-request _req_ given in argument is analyzed, a response is then built and sent
-by using the information of the modbus context _ctx_.
-
-If the request indicates to read or write a value the operation will done in the
-modbus mapping _mb_mapping_ according to the type of the manipulated data.
-
-If an error occurs, an exception response will be sent.
-
-This function is designed for Modbus server.
-
-
-RETURN VALUE
-------------
-The function shall return the length of the response sent if
-successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Sending has failed
-
-See also the errors returned by the syscall used to send the response (eg. send
-or write).
-
-
-SEE ALSO
---------
-linkmb:modbus_reply_exception[3]
-linkmb:libmodbus[7]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_reply_exception(3)
-=========================
-
-NAME
-----
-modbus_reply_exception - send an exception response
-
-
-SYNOPSIS
---------
-*int modbus_reply_exception(modbus_t *'ctx', const uint8_t *'req', unsigned int 'exception_code');
-
-
-DESCRIPTION
------------
-The *modbus_reply_exception()* function shall send an exception response based
-on the 'exception_code' in argument.
-
-The libmodbus provides the following exception codes:
-
-* MODBUS_EXCEPTION_ILLEGAL_FUNCTION (1)
-* MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS (2)
-* MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE (3)
-* MODBUS_EXCEPTION_SLAVE_OR_SERVER_FAILURE (4)
-* MODBUS_EXCEPTION_ACKNOWLEDGE (5)
-* MODBUS_EXCEPTION_SLAVE_OR_SERVER_BUSY (6)
-* MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE (7)
-* MODBUS_EXCEPTION_MEMORY_PARITY (8)
-* MODBUS_EXCEPTION_NOT_DEFINED (9)
-* MODBUS_EXCEPTION_GATEWAY_PATH (10)
-* MODBUS_EXCEPTION_GATEWAY_TARGET (11)
-
-The initial request _req_ is required to build a valid response.
-
-
-RETURN VALUE
-------------
-The function shall return the length of the response sent if
-successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The exception code is invalid
-
-
-SEE ALSO
---------
-linkmb:modbus_reply[3]
-linkmb:libmodbus[7]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_report_slave_id(3)
-=========================
-
-
-NAME
-----
-modbus_report_slave_id - returns a description of the controller
-
-
-SYNOPSIS
---------
-*int modbus_report_slave_id(modbus_t *'ctx', int 'max_dest', uint8_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_report_slave_id()* function shall send a request to the controller
-to obtain a description of the controller.
-
-The response stored in _dest_ contains:
-
-* the slave ID, this unique ID is in reality not unique at all so it's not
-  possible to depend on it to know how the information are packed in the
-  response.
-* the run indicator status (0x00 = OFF, 0xFF = ON)
-* additional data specific to each controller. For example, libmodbus returns
-  the version of the library as a string.
-
-The function writes at most _max_dest_ bytes from the response to _dest_ so
-you must ensure that _dest_ is large enough.
-
-RETURN VALUE
-------------
-The function shall return the number of read data if successful.
-
-If the output was truncated due to the _max_dest_ limit then the return value is
-the number of bytes which would have been written to _dest_ if enough space had
-been available. Thus, a return value greater than _max_dest_ means that the
-response data was truncated.
-
-Otherwise it shall return -1 and set errno.
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint8_t tab_bytes[MODBUS_MAX_PDU_LENGTH];
-
-...
-
-rc = modbus_report_slave_id(ctx, MODBUS_MAX_PDU_LENGTH, tab_bytes);
-if (rc > 1) {
-    printf("Run Status Indicator: %s\n", tab_bytes[1] ? "ON" : "OFF");
-}
--------------------
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_get_rts(3)
-=====================
-
-
-NAME
-----
-modbus_rtu_get_rts - get the current RTS mode in RTU
-
-
-SYNOPSIS
---------
-*int modbus_rtu_get_rts(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_rtu_get_rts()* function shall get the current Request To Send mode
-of the libmodbus context _ctx_. The possible returned values are:
-
-* MODBUS_RTU_RTS_NONE
-* MODBUS_RTU_RTS_UP
-* MODBUS_RTU_RTS_DOWN
-
-This function can only be used with a context using a RTU backend.
-
-
-RETURN VALUE
-------------
-The function shall return the current RTS mode if successful. Otherwise it shall
-return -1 and set errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The libmodbus backend is not RTU.
-
-
-SEE ALSO
---------
-linkmb:modbus_rtu_set_rts[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_get_rts_delay(3)
-===========================
-
-
-NAME
-----
-modbus_rtu_get_rts_delay - get the current RTS delay in RTU
-
-
-SYNOPSIS
---------
-*int modbus_rtu_get_rts_delay(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-
-The _modbus_rtu_get_rts_delay()_ function shall get the current Request To Send
-delay period of the libmodbus context 'ctx'.
-
-This function can only be used with a context using a RTU backend.
-
-
-RETURN VALUE
-------------
-The _modbus_rtu_get_rts_delay()_ function shall return the current RTS delay in
-microseconds if successful. Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The libmodbus backend is not RTU.
-
-
-SEE ALSO
---------
-linkmb:modbus_rtu_set_rts_delay[3]
-
-
-AUTHORS
--------
-Jimmy Bergström <jimmy@ekontroll.com>
-
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_get_serial_mode(3)
-=============================
-
-
-NAME
-----
-modbus_rtu_get_serial_mode - get the current serial mode
-
-
-SYNOPSIS
---------
-*int modbus_rtu_get_serial_mode(modbus_t *'ctx');*
-
-
-DESCRIPTION
------------
-The *modbus_rtu_get_serial_mode()* function shall return the serial mode
-currently used by the libmodbus context:
-
-*MODBUS_RTU_RS232*:: the serial line is set for RS232 communication. RS-232
- (Recommended Standard 232) is the traditional name for a series of standards
- for serial binary single-ended data and control signals connecting between a
- DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating
- Equipment). It is commonly used in computer serial ports
-
-*MODBUS_RTU_RS485*:: the serial line is set for RS485 communication. EIA-485,
- also known as TIA/EIA-485 or RS-485, is a standard defining the electrical
- characteristics of drivers and receivers for use in balanced digital multipoint
- systems. This standard is widely used for communications in industrial
- automation because it can be used effectively over long distances and in
- electrically noisy environments.
-
-This function is only available on Linux kernels 2.6.28 onwards and can only be
-used with a context using a RTU backend.
-
-
-RETURN VALUE
-------------
-The function shall return `MODBUS_RTU_RS232` or `MODBUS_RTU_RS485` if
-successful. Otherwise it shall return -1 and set errno to one of the values
-defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-The current libmodbus backend is not RTU.
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_set_custom_rts(3)
-============================
-
-
-NAME
-----
-modbus_rtu_set_custom_rts - set a function to be used for custom RTS implementation
-
-
-SYNOPSIS
---------
-*int modbus_rtu_set_custom_rts(modbus_t *'ctx', void (*'set_rts') (modbus_t *ctx, int on))*
-
-
-DESCRIPTION
------------
-The _modbus_rtu_set_custom_rts()_ function shall set a custom function to be
-called when the RTS pin is to be set before and after a transmission. By default
-this is set to an internal function that toggles the RTS pin using an ioctl
-call.
-
-Note that this function adheres to the RTS mode, the values MODBUS_RTU_RTS_UP or
-MODBUS_RTU_RTS_DOWN must be used for the function to be called.
-
-This function can only be used with a context using a RTU backend.
-
-
-RETURN VALUE
-------------
-The _modbus_rtu_set_custom_rts()_ function shall return 0 if successful.
-Otherwise it shall return -1 and set errno to one of the values defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-The libmodbus backend is not RTU.
-
-
-AUTHORS
--------
-Jimmy Bergström <jimmy@ekontroll.com>
-
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_set_rts_delay(3)
-===========================
-
-
-NAME
-----
-modbus_rtu_set_rts_delay - set the RTS delay in RTU
-
-
-SYNOPSIS
---------
-*int modbus_rtu_set_rts_delay(modbus_t *'ctx', int 'us');*
-
-
-DESCRIPTION
------------
-
-The _modbus_rtu_set_rts_delay()_ function shall set the Request To Send delay
-period of the libmodbus context 'ctx'.
-
-This function can only be used with a context using a RTU backend.
-
-
-RETURN VALUE
-------------
-The _modbus_rtu_set_rts_delay()_ function shall return 0 if successful.
-Otherwise it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The libmodbus backend is not RTU or a negative delay was specified.
-
-
-SEE ALSO
---------
-linkmb:modbus_rtu_get_rts_delay[3]
-
-
-AUTHORS
--------
-Jimmy Bergström <jimmy@ekontroll.com>
-
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_rtu_set_serial_mode(3)
-=============================
-
-
-NAME
-----
-modbus_rtu_set_serial_mode - set the serial mode
-
-
-SYNOPSIS
---------
-*int modbus_rtu_set_serial_mode(modbus_t *'ctx', int 'mode');*
-
-
-DESCRIPTION
------------
-The *modbus_rtu_set_serial_mode()* function shall set the selected serial
-mode:
-
-*MODBUS_RTU_RS232*:: the serial line is set for RS232 communication. RS-232
- (Recommended Standard 232) is the traditional name for a series of standards
- for serial binary single-ended data and control signals connecting between a
- DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating
- Equipment). It is commonly used in computer serial ports
-
-*MODBUS_RTU_RS485*:: the serial line is set for RS485 communication. EIA-485,
- also known as TIA/EIA-485 or RS-485, is a standard defining the electrical
- characteristics of drivers and receivers for use in balanced digital multipoint
- systems. This standard is widely used for communications in industrial
- automation because it can be used effectively over long distances and in
- electrically noisy environments.
-
-This function is only supported on Linux kernels 2.6.28 onwards.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno to one of the values defined below.
-
-
-ERRORS
-------
-*EINVAL*::
-The current libmodbus backend is not RTU.
-
-*ENOTSUP*::
-The function is not supported on your platform.
-
-If the call to ioctl() fails, the error code of ioctl will be returned.
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_bits_from_byte(3)
-============================
-
-
-NAME
-----
-modbus_set_bits_from_byte - set many bits from a single byte value
-
-
-SYNOPSIS
---------
-*void modbus_set_bits_from_byte(uint8_t *'dest', int 'index', const uint8_t 'value');*
-
-
-DESCRIPTION
------------
-The *modbus_set_bits_from_byte()* function shall set many bits from a single byte.
-All 8 bits from the byte _value_ will be written to _dest_ array starting at
-_index_ position.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_bits_from_byte[3]
-linkmb:modbus_set_bits_from_bytes[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_bits_from_bytes(3)
-============================
-
-
-NAME
-----
-modbus_set_bits_from_bytes - set many bits from an array of bytes
-
-
-SYNOPSIS
---------
-*void modbus_set_bits_from_bytes(uint8_t *'dest', int 'index', unsigned int 'nb_bits', const uint8_t *'tab_byte');*
-
-
-DESCRIPTION
------------
-The *modbus_set_bits_from_bytes* function shall set bits by reading an array of
-bytes. All the bits of the bytes read from the first position of the array
-_tab_byte_ are written as bits in the _dest_ array starting at position _index_.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_set_bits_from_byte[3]
-linkmb:modbus_get_byte_from_bits[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_byte_timeout(3)
-==========================
-
-
-NAME
-----
-modbus_set_byte_timeout - set timeout between bytes
-
-
-SYNOPSIS
---------
-*void modbus_set_byte_timeout(modbus_t *'ctx', uint32_t 'to_sec', uint32_t 'to_usec');*
-
-
-DESCRIPTION
------------
-The *modbus_set_byte_timeout()* function shall set the timeout interval between
-two consecutive bytes of the same message. The timeout is an upper bound on the
-amount of time elapsed before *select()* returns, if the time elapsed is longer
-than the defined timeout, an `ETIMEDOUT` error will be raised by the
-function waiting for a response.
-
-The value of _to_usec_ argument must be in the range 0 to 999999.
-
-If both _to_sec_ and _to_usec_ are zero, this timeout will not be used at all.
-In this case, *modbus_set_response_timeout()* governs the entire handling of the
-response, the full confirmation response must be received before expiration of
-the response timeout. When a byte timeout is set, the response timeout is only
-used to wait for until the first byte of the response.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The argument _ctx_ is NULL or _to_usec_ is larger than 999999.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_byte_timeout[3]
-linkmb:modbus_get_response_timeout[3]
-linkmb:modbus_set_response_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_debug(3)
-===================
-
-NAME
-----
-modbus_set_debug - set debug flag of the context
-
-
-SYNOPSIS
---------
-*int modbus_set_debug(modbus_t *'ctx', int 'flag');*
-
-
-DESCRIPTION
------------
-The *modbus_set_debug()* function shall set the debug flag of the *modbus_t*
-context by using the argument _flag_. By default, the boolean flag is set to
-`FALSE`. When the _flag_ value is set to `TRUE`, many verbose messages are
-displayed on stdout and stderr. For example, this flag is useful to display the
-bytes of the Modbus messages.
-
-[verse]
-___________________
-[00][14][00][00][00][06][12][03][00][6B][00][03]
-Waiting for a confirmation...
-<00><14><00><00><00><09><12><03><06><02><2B><00><00><00><00>
-___________________
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set errno.
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_float(3)
-===================
-
-NAME
-----
-modbus_set_float - set a float value from 2 registers
-
-
-SYNOPSIS
---------
-*void modbus_set_float(float 'f', uint16_t *'dest');*
-
-Warning, this function is *deprecated* since libmodbus v3.2.0 and has been
-replaced by *modbus_set_float_dcba()*.
-
-DESCRIPTION
------------
-The *modbus_set_float()* function shall set a float to 4 bytes in Modbus format
-(ABCD). The _dest_ array must be pointer on two 16 bits values to be able to
-store the full result of the conversion.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_float[3]
-linkmb:modbus_set_float_dcba[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_float_abcd(3)
-========================
-
-
-NAME
-----
-modbus_set_float_abcd - set a float value in 2 registers using ABCD byte order
-
-
-SYNOPSIS
---------
-*void modbus_set_float_abcd(float 'f', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_set_float_abcd()* function shall set a float to 4 bytes in usual
-Modbus format. The _dest_ array must be pointer on two 16 bits values to be able
-to store the full result of the conversion.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_float_abcd[3]
-linkmb:modbus_set_float_badc[3]
-linkmb:modbus_set_float_cdab[3]
-linkmb:modbus_set_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_float_badc(3)
-========================
-
-
-NAME
-----
-modbus_set_float_badc - set a float value in 2 registers using BADC byte order
-
-
-SYNOPSIS
---------
-*void modbus_set_float_badc(float 'f', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_set_float_badc()* function shall set a float to 4 bytes in swapped
-bytes Modbus format (BADC instead of ABCD). The _dest_ array must be pointer on
-two 16 bits values to be able to store the full result of the conversion.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_float_badc[3]
-linkmb:modbus_set_float_abcd[3]
-linkmb:modbus_set_float_cdab[3]
-linkmb:modbus_set_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_float_cdab(3)
-========================
-
-
-NAME
-----
-modbus_set_float_cdab - set a float value in 2 registers using CDAB byte order
-
-
-SYNOPSIS
---------
-*void modbus_set_float_cdab(float 'f', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_set_float_cdab()* function shall set a float to 4 bytes in swapped
-words Modbus format (CDAB order instead of ABCD). The _dest_ array must be
-pointer on two 16 bits values to be able to store the full result of the
-conversion.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_float_cdab[3]
-linkmb:modbus_set_float_abcd[3]
-linkmb:modbus_set_float_badc[3]
-linkmb:modbus_set_float_dcba[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_float_dcba(3)
-========================
-
-
-NAME
-----
-modbus_set_float_dcba - set a float value in 2 registers using DCBA byte order
-
-
-SYNOPSIS
---------
-*void modbus_set_float_dcba(float 'f', uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_set_float_dcba()* function shall set a float to 4 bytes in inverted
-Modbus format (DCBA order). The _dest_ array must be pointer on two 16 bits
-values to be able to store the full result of the conversion.
-
-
-RETURN VALUE
-------------
-There is no return values.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_float_dcba[3]
-linkmb:modbus_set_float[3]
-linkmb:modbus_get_float[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_indication_timeout(3)
-================================
-
-
-NAME
-----
-modbus_set_indication_timeout - set timeout between indications
-
-
-SYNOPSIS
---------
-*void modbus_set_indication_timeout(modbus_t *'ctx', uint32_t 'to_sec', uint32_t 'to_usec');*
-
-
-DESCRIPTION
------------
-The *modbus_set_indication_timeout()* function shall set the timeout interval used by
-a server to wait for a request from a client.
-
-The value of _to_usec_ argument must be in the range 0 to 999999.
-
-If both _to_sec_ and _to_usec_ are zero, this timeout will not be used at all.
-In this case, the server will wait forever.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The argument _ctx_ is NULL or _to_usec_ is larger than 1000000.
-
-
-SEE ALSO
---------
-linkmb:modbus_get_indication_timeout[3]
-linkmb:modbus_get_response_timeout[3]
-linkmb:modbus_set_response_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_set_response_timeout(3)
-==============================
-
-
-NAME
-----
-modbus_set_response_timeout - set timeout for response
-
-
-SYNOPSIS
---------
-*int modbus_set_response_timeout(modbus_t *'ctx', uint32_t 'to_sec', uint32_t 'to_usec');*
-
-
-DESCRIPTION
------------
-The *modbus_set_response_timeout()* function shall set the timeout interval used
-to wait for a response. When a byte timeout is set, if elapsed time for the
-first byte of response is longer than the given timeout, an `ETIMEDOUT` error
-will be raised by the function waiting for a response. When byte timeout is
-disabled, the full confirmation response must be received before expiration of
-the response timeout.
-
-The value of _to_usec_ argument must be in the range 0 to 999999.
-
-
-RETURN VALUE
-------------
-The function shall return 0 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-ERRORS
-------
-*EINVAL*::
-The argument _ctx_ is NULL, or both _to_sec_ and _to_usec_ are zero, or _to_usec_
-is larger than 999999.
-
-
-EXAMPLE
--------
-[source,c]
--------------------
-uint32_t old_response_to_sec;
-uint32_t old_response_to_usec;
-
-/* Save original timeout */
-modbus_get_response_timeout(ctx, &old_response_to_sec, &old_response_to_usec);
-
-/* Define a new timeout of 200ms */
-modbus_set_response_timeout(ctx, 0, 200000);
--------------------
-
-
-SEE ALSO
---------
-linkmb:modbus_get_response_timeout[3]
-linkmb:modbus_get_byte_timeout[3]
-linkmb:modbus_set_byte_timeout[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_strerror(3)
-=================
-
-
-NAME
-----
-modbus_strerror - return the error message
-
-
-SYNOPSIS
---------
-*const char *modbus_strerror(int 'errnum');*
-
-
-DESCRIPTION
------------
-The *modbus_strerror()* function shall return a pointer to an error message
-string corresponding to the error number specified by the _errnum_ argument.  As
-libmodbus defines additional error numbers over and above those defined by the
-operating system, applications should use *modbus_strerror()* in preference to
-the standard *strerror()* function.
-
-
-RETURN VALUE
-------------
-The *modbus_strerror()* function shall return a pointer to an error message
-string.
-
-
-ERRORS
-------
-No errors are defined.
-
-
-EXAMPLE
--------
-.Display an error message when a Modbus connection cannot be established
-[source,c]
--------------------
-if (modbus_connect(ctx) == -1) {
-    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-    abort();
-}
--------------------
-
-SEE ALSO
---------
-linkmb:libmodbus
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_tcp_accept(3)
-====================
-
-
-NAME
-----
-modbus_tcp_accept - accept a new connection on a TCP Modbus socket (IPv4)
-
-
-SYNOPSIS
---------
-*int modbus_tcp_accept(modbus_t *'ctx', int *'s);*
-
-
-DESCRIPTION
------------
-The *modbus_tcp_accept()* function shall extract the first connection on the
-queue of pending connections, create a new socket and store it in libmodbus
-context given in argument. If available, _accept4()_ with `SOCK_CLOEXEC` will be
-called instead of *accept()*.
-
-
-RETURN VALUE
-------------
-The function shall return a new socket if successful.
-Otherwise it shall return -1 and set errno.
-
-
-EXAMPLE
--------
-For detailed example, see unit-test-server.c source file in tests directory.
-
-[source,c]
--------------------
-...
-
-ctx = modbus_new_tcp("127.0.0.1", 502);
-s = modbus_tcp_listen(ctx, 1);
-modbus_tcp_accept(ctx, &s);
-
-...
-
-close(s)
-modbus_free(ctx);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_tcp_pi_accept[3]
-linkmb:modbus_tcp_listen[3]
-linkmb:modbus_tcp_pi_listen[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_tcp_pi_accept(3)
-=======================
-
-
-NAME
-----
-modbus_tcp_pi_accept - accept a new connection on a TCP PI Modbus socket (IPv6)
-
-
-SYNOPSIS
---------
-*int modbus_tcp_pi_accept(modbus_t *'ctx', int *'s);*
-
-
-DESCRIPTION
------------
-The *modbus_tcp_pi_accept()* function shall extract the first connection on the
-queue of pending connections, create a new socket and store it in libmodbus
-context given in argument. If available, _accept4()_ with `SOCK_CLOEXEC` will be
-called instead of *accept()*.
-
-
-RETURN VALUE
-------------
-The function shall return a new socket if successful.
-Otherwise it shall return -1 and set errno.
-
-
-EXAMPLE
--------
-For detailed example, see unit-test-server.c source file in tests directory.
-
-[source,c]
--------------------
-...
-
-ctx = modbus_new_tcp_pi("::0", 502);
-s = modbus_tcp_pi_listen(ctx, 1);
-modbus_tcp_pi_accept(ctx, &s);
-
-...
-
-close(s)
-modbus_free(ctx);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_tcp_pi_accept[3]
-linkmb:modbus_tcp_listen[3]
-linkmb:modbus_tcp_pi_listen[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_tcp_pi_listen(3)
-=======================
-
-
-NAME
-----
-modbus_tcp_pi_listen - create and listen a TCP PI Modbus socket (IPv6)
-
-
-SYNOPSIS
---------
-*int modbus_tcp_pi_listen(modbus_t *'ctx', int 'nb_connection');*
-
-
-DESCRIPTION
------------
-The *modbus_tcp_pi_listen()* function shall create a socket and listen to
-maximum _nb_connection_ incoming connections on the specified nodes.  The
-context *ctx* must be allocated and initialized with linkmb:modbus_new_tcp_pi[3]
-before to set the node to listen, if node is set to NULL or '0.0.0.0', any addresses will be
-listen.
-
-
-RETURN VALUE
-------------
-The function shall return a new socket if successful. Otherwise it shall return
--1 and set errno.
-
-
-EXAMPLE
--------
-
-For detailed examples, see source files in tests directory:
-
-- unit-test-server.c, simple but handle only one connection
-
-[source,c]
--------------------
-...
-
-ctx = modbus_new_tcp_pi("::0", "502");
-s = modbus_tcp_pi_listen(ctx, 1);
-modbus_tcp_pi_accept(ctx, &s);
-
-for (;;) {
-    rc = modbus_receive(ctx, query);
-    modbus_replay(ctx, query, rc, mb_mapping);
-}
-...
-
-mclose(s);
-modbus_free(ctx);
--------------------
-
-- bandwidth-server-many-up.c, handles several connections at once
-
-
-SEE ALSO
---------
-linkmb:modbus_new_tcp_pi[3]
-linkmb:modbus_tcp_pi_accept[3]
-linkmb:modbus_tcp_listen[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_write_and_read_registers(3)
-==================================
-
-
-NAME
-----
-modbus_write_and_read_registers - write and read many registers in a single transaction
-
-
-SYNOPSIS
---------
-*int modbus_write_and_read_registers(modbus_t *'ctx', int 'write_addr', int 'write_nb', const uint16_t *'src', int 'read_addr', int 'read_nb', const uint16_t *'dest');*
-
-
-DESCRIPTION
------------
-The *modbus_write_and_read_registers()* function shall write the content of the
-_write_nb_ holding registers from the array 'src' to the address _write_addr_ of
-the remote device then shall read the content of the _read_nb_ holding registers
-to the address _read_addr_ of the remote device. The result of reading is stored
-in _dest_ array as word values (16 bits).
-
-You must take care to allocate enough memory to store the results in _dest_
-(at least _nb_ * sizeof(uint16_t)).
-
-The function uses the Modbus function code 0x17 (write/read registers).
-
-
-RETURN VALUE
-------------
-The function shall return the number of read registers if successful. Otherwise
-it shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Too many registers requested, Too many registers to write
-
-
-SEE ALSO
---------
-linkmb:modbus_read_registers[3]
-linkmb:modbus_write_register[3]
-linkmb:modbus_write_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_write_bit(3)
-===================
-
-
-NAME
-----
-modbus_write_bit - write a single bit
-
-
-SYNOPSIS
---------
-*int modbus_write_bit(modbus_t *'ctx', int 'addr', int 'status');*
-
-
-DESCRIPTION
------------
-The *modbus_write_bit()* function shall write the status of _status_ at the
-address _addr_ of the remote device. The value must be set to `TRUE` or `FALSE`.
-
-The function uses the Modbus function code 0x05 (force single coil).
-
-
-RETURN VALUE
-------------
-The function shall return 1 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_read_bits[3]
-linkmb:modbus_write_bits[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_write_bits(3)
-====================
-
-
-NAME
-----
-modbus_write_bits - write many bits
-
-
-SYNOPSIS
---------
-*int modbus_write_bits(modbus_t *'ctx', int 'addr', int 'nb', const uint8_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_write_bits()* function shall write the status of the _nb_ bits
-(coils) from _src_ at the address _addr_ of the remote device. The
-_src_ array must contains bytes set to `TRUE` or `FALSE`.
-
-The function uses the Modbus function code 0x0F (force multiple coils).
-
-
-RETURN VALUE
-------------
-The function shall return the number of written bits if successful. Otherwise it
-shall return -1 and set errno.
-
-
-ERRORS
-------
-*EMBMDATA*::
-Writing too many bits
-
-
-SEE ALSO
---------
-linkmb:modbus_read_bits[3]
-linkmb:modbus_write_bit[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_write_register(3)
-========================
-
-
-NAME
-----
-modbus_write_register - write a single register
-
-
-SYNOPSIS
---------
-*int modbus_write_register(modbus_t *'ctx', int 'addr', const uint16_t 'value');*
-
-
-DESCRIPTION
------------
-The *modbus_write_register()* function shall write the value of _value_
-holding registers at the address _addr_ of the remote device.
-
-The function uses the Modbus function code 0x06 (preset single register).
-
-
-RETURN VALUE
-------------
-The function shall return 1 if successful. Otherwise it shall return -1 and set
-errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_read_registers[3]
-linkmb:modbus_write_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
-modbus_write_registers(3)
-=========================
-
-
-NAME
-----
-modbus_write_registers - write many registers
-
-
-SYNOPSIS
---------
-*int modbus_write_registers(modbus_t *'ctx', int 'addr', int 'nb', const uint16_t *'src');*
-
-
-DESCRIPTION
------------
-The *modbus_write_registers()* function shall write the content of the _nb_
-holding registers from the array _src_ at address _addr_ of the remote device.
-
-The function uses the Modbus function code 0x10 (preset multiple registers).
-
-
-RETURN VALUE
-------------
-The function shall return the number of written registers if
-successful. Otherwise it shall return -1 and set errno.
-
-
-SEE ALSO
---------
-linkmb:modbus_write_register[3]
-linkmb:modbus_read_registers[3]
-
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
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6WghDtAgBddkCvIIHAwE6geqE+lbsMAPdTZYFtiU+4Q2JpsWft+6n/ERDABBBBACHd7fdEsv84b+sIiVtHqMSyw+MN8c4/1AEZ3XgB1FoL2A/PCE3fZ7hAAv/f8AuHJ0Nvzshqhu4EQuxcAKdNPzshwvzKvrp9xhqhoPzuEOT83Uf3k+4wAw6wQQQAQQQQARI8OsPqJ/xERDU2iZ8WOvmI/xEARKOoPZCC4WPUf9QbT7IVQsq57YAQ+UPVCk6W7IFiykdqYTd7IAe0MziRxUn3iAeSPVCymsy0nitPvENvZMAJBBBABBBBADx8ir6yfcYjO624iJU/Nl/XT7jEahZXqt7hACm4tCA2MF9QIanbADuPbCK8iFhDcpP53QBK9ou/YPcIjvdIiZ8dcD91P+AiAbIAWFG32Qm2E3awAoPXFu2Hy6f0iBxIiIeV9sWJYAzLQ4kQBDa2kEBHWUO0wQAQQQQAq/IEPbT+gKgNAbE7oYfJHridv/AOvdv6RP+4ArwQHboI22DOS+oYwo8xWWp9qXaaUpCEqSSVqSAT6hbSM9vb1LqfLpLLMFxcU7WHHUe3QxMEOeaUy64ysWU2opUO0GLFPpNUqylpplPmJotC6wy2V5R22GgiOVLi4EsvwZXOKjxN4RV3gWhy0lOhGsKhh5T4lkNKLpUEJQBrmvoLcb6Wj2qzg/FUhOMy03QZtLz7KVttpbKlKFhcgDWMM2oPEtmbFChUuE5U02vKPBGu6FhVsPMKLbzSm1g2UlQIIPaDDm3AjQstr+skGBRwcXwvqhgF431O5N6VV8GTNeplfmnalJSyZqYZ6CRJousIDJmM1ue1ByhJFt+kYRxxC0n9GlJtsSLe6OiUXlIw7QsETlEpVHqSKnUJUMPpVOgyClhYUJjmSm4dFgMwVbsgUlsRYy5MKXhmjT87IYidn5uhTjFPq7CpTmkNOupUUlpeY84m6FC5CTcbI9iR5FKXPYJkq+mtVluoTtFcrQKqSPg5tCV5ebVMBy4WQNmW148zHPKZRMR0apydJoU1KT9fnWJ+qvPTAW0FsoUEpZSAClN1qNiVHtj2qfy20Wn4LpdF+D8RPztNortIEuuppFMdzknnVsc3mKhe41tcCATyceNrnLqBsPGKlR+UbH7gi0TmJNgL62GgitUtFt/UEAWRshYVjmS+2JhakNFYDhSLlKbi5A42jtkjyfcnOKv+Oqp1Hn6Iip1JbLAdm1LdqMg22pS5gpUSGzmCU9WyesbA2vAHEoI7VS8J8klTNCrs1T3qZKYilHUy8gZl90JfQ4EEoWnMsqy6hKurfgI5xjXCa8I1YU1SJstloFMw8wUIfX9MtkiykAnLmF7kbdRAGcjScnLky1jSlKlFtIcL6Ugu6JsdoPsjO5NYVClNOJUkqSUqGo0I1HDZF6UnCaaK1EnFqW67nXuVjGWKsL4v6PSKqmWb6LlHM2JIO3NwP+o8CU5VZ6fwe1yfVCTYSxMPgOT6zdaQVXJIPr28I83lSBdxMibIV8ZkWHEk7+oB/qMaAoHyT9kZ9Wo8+5c6nXYz6PqlWzoKnbPEPH/Jv+UHBuGsIVWmNYdrqaiiYQFu2UlWQ6W1ToAQdm3SMDbrabN0a/kuxBQ8O4oam8SUnp8qWylKcoORdtFWO3Za0XJ7BlWxn8NY3wvR25aisuqUlpSwFAAC9k29vtjl05ul9FT+52a1tDUY+ot0k//BdtuphbHhBY8IEqKrEJNjs0h22NnKOJKLg8NYGJ0VrDlbUdghCNdkFjppsiShMj5orsdR7jFc7fUBFpA+JL0/Wo9yor26xHYPdACWt90Lw7IUJ7Dt4QmW24/ZACHyh7IUC7nsMKU8QfsMLl640/NoAlntJlX1Uf4iIIsTqCZg9U+SjYP3BEGRWzIqAEghcivNVBkV5ivz7IAQ20HZEkrrMt/XH+ojKDcdQxNJNq6S11T5afeIAhuOqD+dkINg3bPcIeUG6RkVsEIpB0GRWwe6AEJFz64Do56jBlOY9VW/3QKQc6rIV+fZACrtbT86CHoB6Mv6yfcqGZSb9RX59kTIQejLGQ/KI9yoAggh2X9w/ZBkPmL/PsgBsEOyn0aoMu7IqAGp0JiZ/RQ+oj/FMRZVAiyDsO7siaZQcx6ivk2/8ABMAVt/qAhytTp2wJQbHqK2fndDsu7Ifz7IAaq3U7E/7MJ4CFKVXHUP59kLkPmK3fnZAEkjrNs389HviK+gET09KumsdRXygiAINx1DvgAghcp9GYXIfMX+fZADYIdlPo1QZd2RUAPT80X9dHuVEa/K9g9wiZCVdDc6h+URu7FREtBuboVs/0OyAGk+T2CGgak/nbDik5dEK2eHZChB8xX5EANPkn874B5JH52Q7KfRmEyKzDqHf7oAnmLBQB81H+AituA2Ram0EOJ6ivk2/8BEBTs6it8AINPVaG/RAh6kHKOor7IbkVYdRX2QA0aGLcprNsjhb/AHFbIofQVe3CLUihXTmuqdo3QBWVtP1j74IcUKueqrbw/CEyK2ZFQAkELkV5qoMivMV+fZABcBI9cTt//WuW9Kn/AHEJQco6itvCJ20H4OcGQ/KJ3euAKx2x1/k3VMS3JnWAzMOtOza3ej5TaxQ2CSOGy0ciU2rzFW9UdmwUOiUXC0iU6T5fS4LefdIJ9kdvQXwXPH4RxNeebdRXlHGFEklSttzmvrrHYuR95GG6MJ2ooFq1NBqXBTY2A1N+F9OEc4kcLzFbxb/xhhaW1OzK2itQ0SkXufsGwR3JUhhHD0+3T8TJzSctKIbpwAOhA6xsNhuBrG1YUZUJ1LtrKi8fsreShexp2XFw8azn8HOcR8nWMKe1O8oj6ZVhqXnS6Gk6KQM/VNtm22kWWOXfFUrieWr9Qk5ScMvKhgN5cgsRcm/G9tkaTlAodbxBhQ1+VrjrEkmWDjsiVEoXa1jobA24xxGcGV0An9WndbSwjiarptSnWc7j/duvwz0uma9ChSjR06TXDhS8OSOlsPcnGJcN13EeJJro+I5pxbsuyhZCUqJ6oSBpa0cxcl32AlTrK0JWMySpJAUOI4j1RGkJCkqO4g7OEb3H/KW3jWhUqkN0BiSNOAHONkXVpa1raD83jlqM6MlGO6f+Dq1LqlqFFyq4jOP/ANGCghCnXWEt6o2jhNZHQQg0hYBLAh3+qKtR8tu3mCLcVKj5bY/cEAW2l826h1TaVhCgrKrYqx2Hs/1HQ61y01KqVeQxBIYPoFKqVNLYYmJRMwcraBYNhC3VICLaaJHrEc8ggDWVvlKrlVqMhP0+TkKM3S2VsyUrIM2aYCyc5TnKjmJN7k6G1rWiDGOPqrjSWp0pUJOUZTIJ2sJUC6vIhOdWZRAOVCRYWHZGahIAmTNTCEhKHVBI2AGHIm5ok/p17OMQQqDZYMSuqEt1g3XKWtYbw7MoWpPPUxKFWJscpjD8+/p+mWP+xjdY7AmMHYWnAOsjnmVH2ggRgtm2OlqP9RfhGhpv9Fx8NlqVfeM0z+lXtH0jxj0abjXFFJpT9Ep9aeYkZr5VpNiFaai9rjZbSPKk/nDf1h74hOwdkc2UIyWJI6dK4q0JcVJ4Z12axNTOVgYfwXSpVFDmGwQ7MXABITawttva+sYfHVAncE4heoSqwua5oD9KhdgSRsIvoeyMy2440sONKKFJN0qSbEHsjVYVwLizHUvPVGkNJeRJDM8t1RuTa9hx0HZGooch5z9J2J3L1WHL5eavleF7GbM5O7elPd8+MIJyd/anu+YY4FJcUhYspJKSOBvaEjaWOxxXHDwy4idnehL+NPfKI+meCu2K/TZ3MfjT2wfTPCJEfMl/zUe5UVh5Z9Q90CpKJyct85dP/cwvTJz9qd75iMbT64TW0AS9MnLfOXR/3MHTZwKT8Ze754REdghfpgn86QBbnJyaD/zl7yEfSPmjtiATs1+0O/aYdOg9INjbqo0t+6Ihykb/ALoAl6ZNftDvePjB0ya/aHe8fGIbHj90Fjx+6AJDOzV/nDvePjE0jPTXSWvjLvlp+keIioQbjrfdE0iD0prW/XT7xAC9Om7p+Mu7B9I+MIZ6auLTLveMRkG6ddwhFBWl1cPdAEnTprMfjDu/6RgM7NZj8Yd7x8YhIOZWvGFI66ut934QBMJ2aA+cO94+MTtz010Zfxh35RP0jwVFKx11/P2ROgWll39In3KgA6bNftDvePjB02a/aHe8fGIrHj90Jbt+6AJunTX7Q73jB02a/aHe8fGIteMHrV+fsgCTps1p8Yd2H6R4euJ5qdms/wA4d+TR9I+YIp2uR6j7ommQQo62/Rt/4J7IAamdmv2h3vGHdNmtB0h3vGIBv13Q7/t+fsgB5nZq/wA4d7x8YXps0RpMO94+MQnyhr9x8IAD53Dd+EAXJCemumsfGHflB9I+MQJnZq4+MO94+MOp4vOsfzB/qIANRrbbAE/TZr9od7x8YOmzX7Q73j4xD+dhgt2/dAE3Tpr9od7xg6bNftDvePjEWvGD1q/P2QBbROzXQnfjDvyiPpHgqIVz0zr8Yd2D6R4euBAJk3f5qPcqInBqRfd/odkASdOmgPnDuzzj4wCemrAdId7x8YhN8u3d4QtjvVw93qgCbps1+0O94+MIZ2azD4w7v+keERfnYYQjrD2+6ALs3OzXOJ+MO/Jo+kfMEQGemtPjDvePjDpwHnE62/Rt/wCCYrkbLq4/nZAEyp2by6vu94+MNE7NafGHftPjDFBVtp+yG2VYa7uEATdNmx+vc7x8YsyE5NdOaHSHdvnGKBCrbfui1IpPTmtd4gBpnZrMfjDu07zCCdmv2h37TERHWVfiYIAm6ZNftDvePjB0ya/aHe8fGIYIAkVOThHzlz7TEyJyc+DnPjLnyqd54GKhF9InGkg5b0ifcYAj6ZNlYSZlZG8Zo7PMylZZ+BDIS76002Rly8Ug9U2Cj9xjjtJp79UqjEjLsrcW84lAShJJAJAvbhaO41TG1ToNRqlGk2WlNPhLWZQF0gICdPsjtaU3ThOceuxy76NKVWnCvlRwz3Z6dwfKJfn5KnqbqlHSJhTuSwUp0WSL79CTaOcVzEc/iGb6TOqylAyhKdAPYI3OMafMtYTZmUJbzK5pU0obVWQEpPaBoI5qU2Mdu4t/Rw5cX931P9nGV58xkpNYUFwr9HrYgqtQHJupLM44lLc6GVhKrZkFF7HsuI51OTk0l1CUzDgHNo0Cj5ojfzCUv4ArbJ/UOsPjs1yxzibtziD/AAke4RxdYbny232Ojo8FDjS8idNm/wBqd7xhqn3HDdx1Sj2m8RZbnyvZDktr+jlMcQ7q2AnWCBV0nrWEaNHJ5jBzDRxcKOfgxLfOlfPtB0tXtzgZzc5kvpny5e2BBnII0lf5OsY4XpbNYrlH6NKvEN355ta21kZglxCVFTara5VAG26LLHJTjuZw23iyXpDDlOdljOIyz8sX1MA2Lglwvnctxa+S0AZKKlR+UbH7gi1oRFapaLb+oIAsjZCwkLABBBBABD2Rd1I3XEMh7Plj1iJXUiXQ3+JG+f5NZNYGspUMvqBTHPTtjpcynpHJ3WGSL8w9LPDsubGOaHd2iOrqSwqcvKOZpk8upHwyaU+cN/WHviEbExNKfOG/rCICNnsjmHUG2PCPZoOLMQ4bamWKPUnZZubFnUptZQtbfs04R5A2CFjHOKksSRlo1p0JcdN4ZrajyaYhp+DpbHkw9LuyM2R5CwSm5sCeOuluMZIgA24R7lFq0xPu0/DVbrUwzQ+kpLrec5G0k6kDcY9rlJoGFKTWmpfA8/06VLQKyleeyvX/AKjDBy4+W92zoXFvSuKHqqP0qOOLL6v2Mi38yX/NT7jFfefUPdFm1pN0W2OpFvYYq/TI7BGzw42Zytuw4bwIQGwhBfNsgF9loqBSdBC364P52Q03ygWgHlC/50gCzOH4wdPoI/xEQX7PuiWduH9n0Ef4CINeEAOzDZb7oLjhDbnhBc8IAWwNomkQOktfXT7xEF9htwieR+ctfXT7xAERtdI7BAQNPUPdCnanTcIRXq3D3QAhFlK04wHy1dWF+lfthctzYDXgIJB7Ibx0iw3rKr0/WI9yojcYW0oIdbWhRFwkgg29USNi0ssfxEe5UWcXF4awRGSksxeUVztggO2CKkhBBBACbx6j7onmNV2/ht/4JiE7fYfdE0wOvb+G3/gmAIRYAwp2aQkEAEEEEAWKePjrGn6we+K/DTZFin26ax/MEVhtIgB17bvdBpwEJBE4a6hNPoEEEEQCdHzJz+aj3KiJY6x0+iPcIkRcSSx/FR7lREbkn1DZ6oAQgWt2Q6wt9nuhpvYaboUXsNNoHugBbCEsMwFuPug60JZWYe2ALE4Bzidf1bf+CYgsNPbE85fnE/y2/wDBMVzfT2wApsE2AhLeTcQpvYXEN4aboADs2botSHz5q3nCKpi1IfPmhb6QgCuryjCQqvKMJABF+g0wVqsydJMwlgTbqWucVsTfS8UI9nBkuZnFdJYG1c039lx4RmoRU6sYvdZRirycKUmnjCPa5SOT5vAjknzNRVMomknykAEEEX37IyjaVOyam0C6luoCRxOto3fLeVv4kYnAtRYel0hpJOictwbDdqI9HAXJVTsUYQ+HziBLE0zMhRYTbqhJsc3DQX9UburUo0LrlUY4zgwaHCpeW3MqSTaTf6DAOCseYLxlSahNUJPMzTKlXUQQluwuTwOzSLGMjPKxJNuz7AacWu6QNhR9E8NkbvFWPWpGWk00aptTDqbNKT5QyAAWJ3bI5nVqpOVieXPTqwXFgABOgSncBHWo2SsKPDOWZvfY5F7qPrrj+Xi1Sjtv5CarVWm5ZMhMVB5cumwDec202RRtbQffAbXvBEynKf3PJgjCMftWD1qS2JuiYikDrnp/OAfUUDHMZkWWgfw0e4R1LCiednZuUOyZkX2v7TaOYTycj+TzUJH3ARo6nHipQkb2mPFacfwQAJO2FAYvqVCGwW7I4uDuCuBvKQg3Ft8dco0qiicmq6zI4wos5VqowGpmWmKgQ7JySFhXR0NlOqlkA2BtaORQQwDtPKXWsNKw3iubp2IpKfVi6ryU9IsMKJcYaZQ4F86CBkN3Ei37saahYmwqzyb0J2amcLoVLYUfp0xNdIc+F2Xys5WkN/JhJ0BNr2j5u8YcRrFQJvURqL6eqK1SFlt/UEWwBY/ndFWpW51H8oQBZghAOGp2Wj0F4frjLkqy7R5xtc/80SplQL2thkH0tdNIAoQR7b+BsZy0+5S38KVZE401z7kuZNznEN+eUgXCe0x4qkqRopNj26QAkOa8seuGw9nyx9YRaPVBvCOt4Zoc5iLD1dpEq2M78u3zZJAGcHQRyick5qnTbsjOt82+wotrTwI0jp+GcUVLDaXBIlBRMBOZLibi/ER69Z5L6XjCRXiiSmOiz86kK5ouJDPObNbC4vYaR6qrZfMLaEaX3x6nlad69PuZut9kn1RxymSszOTjbMpLOPrzA5W0FRt6hFd5h6XWWJhlbTiCApC0kFPYQdkdvwjhlrkr5uo1pPS52oK5i7NsjKNpIJFybxhOVKnTjuIl1tiX5yTn20utOtpJGgsQojQHQDdGnX0Z29tzJP6/Bu2+tQubnlQX0Y+73MQNkLCJ1OUa9kKeqLnQRwXF5xg7nEgjrf8A8fW2Vz1YK20KKGEEEpBKdd19n4RyO44x1zkXAp9LnajsM1NMygPEEEx1NEj/ADsW+xy9Zl/Jyj5wYfGb7EziCsvSraENqniEhBBSRY6gjTW1/bGc2KPqEdPm+TmjjA9XxK7iFLc7KTTiRKnKBdCikJI23I2W7I5fcZj7I0K9XmV5/lnZjZytralJ9JRWO4C4PkXhdfM+6FFr74NOJ+2MBjGm+XyIASCnT82hdCnf9sLpmSfzsgCadzc+Tk+gj/ERDdXmfdE89bpB2+Sj/ERBpxP2wAnW8yDreZC6cT9sGnE/bADVZrjqcIlkc3SW9Ldce8RGRqLExNI6TLY/fT7xAEJzZh1b6CAlWnU3D3Q76SduwQitxudg90ANBIUbptHv4FUP+X0i7CXgZpsFBtYgm2+PBO0xquTCW6Tjml3TcMuF8i2wIBVf1aRs2e9xD8mvdvFCbfg0nL3U5R2vylIYllIdkmrrd0GcK2DT1Rzhknoy/wCYj3KjZ8ry1z0/Sq4Rc1CTuo8SlZHutGLbv0ZYSnMS4gAAbTZQAjo65mV5J/8ABz9ESp2USE7YIuT9FrVLShVTpj8sHRdCnGygK9VxrFOxva0ciUJQ2kjqwqRmsp5CFyqzWCTcC9hwjbYE5O5mtVBmcxBLrkqQOsp1481zp+ihObbu1jqUg1ya4MqrshLSzaXJpIKnNXgATbLfXLHasdEqXUOZUfCvc419rtG1ny4JyfsfO28epXuiaZ8v1tt/4Jj2MbUZ+lYjqDYkCxLl0raKUnIULsUlJ2G4I2b4bR8LVnFU6qTospz7zTDa1gkJCRkFtTpHPqWdSNXkxWX2N+ne050lVk9sZ/B4cAO7fwjslB5EacikGdxNPvMzbYKnWZdxBDaRci9xrsELj/DOFanhZL2DKewubkVBShLpAcU1bUkDb9kdNfD1yqLq1Gl7HP8A9QWzqqlTTaffscaAvBCuNusuc26yts7cqwQbbj6ocww7MvIl2EFbrqglCRtKjoAI4kqcovhxv4O3GcXHizsS0/56x/MT74rbCd3H1b/ujRVLB2IsKTkiqu04ywmVAtnMFC4tcG2w6jTw08amSZn6lKyIFzMPttW9agP9xbkzhUUZrDMfOp1ablTeVg63yuS2EqfhGmy8pSWJWefKHWC20E9QJAVc21GuwxxyOtctSROUuQmG02TTZ5+QNvqJI/xMcljq67j1CSSSwjl6E27dvOXlhBBBHDO0ToPxJwW/WI9yoiuSTpuHuiVBHQnP5qPcqIjcEgcB7oAapRsNBshQo2HqHuhCdPYN8OvoPUN/ZACZuyG5usPb7ode+33wbFjTj7oAmnFnnE6D5NH+CYgzHTZFicJ5xP8ALb/xTEH52wAFRy3sIbc5Rp90POzh7fwhNQBx9f4QA0k22CLcifjzW7rRW1t+MWZH5+1fjAFZR6x9ZhIFAFZNjt7YTKOCvtMALGs5LpcTGMpVa9Ey7Tr5PDKgkffGTA4J+2N/yOU9ycq1VyqQhXwepttSjYBaiEi52AWJjbsV/MQNO/z6eSXV7f3PareEq5j+hUd2gygfmmXJhpxOYABAOYEk+vZGhwqml4S5PlylUlxK1GYD6Xk5eutQWpIBPCw07IvP0zE2AKLMSdEqCTP86w42tABGRw5CCNm0j7IzOOJ1yYqTkupecygaYKjtKgk5ifbePSJz9Q7xJOPDhfk41WhRoWisZNqqpZeHtgzZ12bLaeqEgSrTZC5jGu5N9SscRSSEgggiSx7GD3A3iWRJ2LcyH1FJEc5rjRl6rMy5Fi2spI9WkbqiuczWJJ3zJhtX9wjy8RYTrOIse1in0OS55bbxWoZgAlJ3knQCMV1RlXoKMN3kta1o29xKU3hYMTcQsdcp3Ii2zh2YqGIZ7mJ5pC1ltpaVIbAGmY290ckUACQLHbsjm3enV7KMZVV1Ora6jQvJONF5wJBBBGib6QQqtsM8YcRYxQgUbDFWpfKt/wAoRaG+KtS+Vb/lCALKVKbUlVyk3uk7NQdLR3Kj4skn6/yYVHEdeaedYl5lD70y+FFlechBWSeru27o4YMv0klXDs9ULYHywpfC+6AO8N4pmcGDB9Eq1fpK5xEtMGrPKfTNpaQHs6LLQSlS9LgA21APCMRywUqlStQkqvTK4xNtz7dkS7a2yJdsIQUJASSQOsodaysyVG2sc+sn6QWvhfd6oOrsWFL4X3eqAJksM5QVzAQd6cp0h7bLGYWmgdR9ExW9t/XD2dVj1iLQ6kSWUbtvIGkXeINhpbZpFmXnX5ZSVS9QcSEqCgLm1xFRPyaPUPdCx6alJwScdjzdamptpo9mpYin6++wiqT3OJZ8hIFgDx0jRYcxdQZPD4w/Upd1ebMk2SCCFaaX2RiJdLZdSpQ1BENIukOo8pI0jap3dSE+N758mlOyhKKgtsdDZS3I5hGkTEvWarWlTEk4TlZWAEKJOguNbDZHuU+mcmEjUHqXKU6TCplIRmPXbOhAAJ2RzR+oz862huZmHFtt+QgqNh6t0RhRSoKSSk6WI3Rs0rq3ov8Ah0l7mGpa3FVfXVe3TBlK9TGadW52RWVSqkPrCWFIN0i5t6xa2sdEw6pFKwbQ8r/zioqfuU+UEkAafbHrY2l8M1vAD9ZRLtvVCUabS48lv9KlVxqo2uPXsjyKu0adTcPU9SrmWkEqVpbVaiq/2WjXjYq1uJVYvZrP9zPK+d1bxpSTTTxv3x3MxjaRlJfFlVbmppQaXUEOrQEnyFXV6t/CPQ5R5Lkubapv/BZtYcLV5q6VEE24bjeIeVlnm6w3NBI+OS8s8SOGQp94jy+TnC0hjLE7FDqdTEgw6hSlOaAkgaAE6X9ceV1mlwXUqmeh7P4fuJ17VWyim5YSb7GfS2x+1W7MkHNMD/8AX/YY9HGFElcO4mnqLJTyZxiUcCEvC3WFh7OzThHjRqxkpJNdGZK1J0ZunLqictM2+d/2GANMXSOk/wBp4RD9AQo8pP53RJjwXp1pjpHzv6CPonzREHNM/tf9hhZ35f8A6I/wEQQIJuaZ/a/7DCc0z+1/2mIoIEEvMsaXm+H0YnkWZfpLXxv6afoHiIpbx7InkR8ZaH76feIAcWWLj43sA+hCKZl9LTe4fR7IhNvuHuhIAmLTFz8b/sjZ8lbDbdaqFRQ/cyVMmHb5SNSAj/8AtGGje8nSDLUDEtRy2zNsSiT/ADFm4/tEdHS1m6jk0NTeLaRZxtLNTWCqFNl/rScw9LHTYmwt9948vk/wwiqTJqs2XEU2nqEy+6UEJUEA2SCdCb22bI9epNKn+TmpMgXXJzbMwn6puk/eRGrk65LYUwJJ4amJIOTrkqFLCbZUlwlXWG29iNvuj0HpIXN1zajxFL/J5z1dS3tHTpLMm8fo9NGJsMY5WzSq7SW+jIu4hTpICVgC2o2C3sinLcnHJi9PzM/KzCHEtKuGC/ZpKkpB0vqRf2X0EYEJOQFBKb6qsCB6tIUL5pOVoqTfbt1jZV5CX9WmpY7mBWk4b0qjjnsbLEmOJetUA0BuSSyErFlAGwSnYBvjIltlQ6zuvG0Q9U3tpCxp17ideWZdjaoWkKEfpXU6HJ4jwzW6BK4Tq7ayXUiVWo2sBuXc7N0PfXROTVqVbwy3LnpAyPqVZa3EpFk3I2RzpKgkgp0IINx7IfPKUt9CluqWAlOh+qI2o6g1H7VxLozW+XLP3Ph8HoVOrzdYmnpyYnSA+oEtpJCbcLeyHUCel6NWZapOLKm2Sc6UbVJsQRbhc7I8pRST1RbshO2Nb1FRzU5PLNv0sODlpbex0GuYew1ytzCJiUm3pFynICVKDYGdJva47NRDKNyc4XwfT5mttzbdRqMmlSm1v2yJUNgCNt/tjDy05NySyuUmXGSRYlCiNPZCKmH3EqQp5Zz3vc7bxuK6t2+bOknPyabtbhLlQqPg8exocbVCaxfhqQqy1JQqlToE4gDcvRC7bhpb2xheTeSl5nGtL/T3Qy/z6tNyAT4RuuTuZpcrVpiUqq0iWnGeZKHBdCySLX3bL7YhlKVTaTyoYgepkqhiTkaY64lKU2QlS0AAjgNRs0jWurd3koXT65xg2La4VlCpaxW2OpBidYrGBqy6tz5tVG5wm19V3Rsjl2WW/af7DHT6ajpmGsUU2170/pIHa2sKjlLfki8czWo8fBUOnomIqcCfJLftH9hgyy37T/YYigjgHeLaW2OhOETGnOo+ieCohLLG+YGwfQPCFSPiLn85v3KiFQvYfnZADy0xl+XGzzD4w4NMWHxgbB9E8IgVDhsT7PdAEvMsD9eO4YOaYuP04sP3TEfhAfKH53QBbnGmOcF5gfJt/QPmJ7Yr80xpaYG/6Bh078sPqI/xTEMASlmXt84HcPjDeZYsPjA0/cPjDIIAdzLA/XjuHxi3ItMiea/TjyvNMUVbIsyPz5r68AIGZck3mrG50yHjC8xLgfOv7DFfXOobRfZeBYFvJtAE3NSw2zYtxyGOv4awc1h3k4msUM1ht1yrtNBKUgAtgLvYb72I07I5dh7B+I8UtzS6FS3ZtEoMzxRoEi1/bpuja0FTktyb9HdUsrfqZABJslCEAWA2DXhG/piU7nEX06mLUU7e046kNpdH7m25NVvz9Rm35mcXNZWEApWCokhV027AReMriKUMjUp+WdnQ4pMxcqKDre51jzJeYmpNQclJhxpRABKFEX+yBxSnGnFuLKlqWCVE3JNjHpnWgrZUUt/J5F0pyuXXcuq6DU5bfLDuQt0+nT3YiGyFjSwbZIMtvlh3INPTJ7kRwW0ECy6FqndGNTlRNPZWOdRzigPJTcX0jo2IcUUjD00mdw8qSdmJuypmyBdQAFrkH7o5eLe+JJi3O+we6Nu3u5W8XGK3Zp3FlG5knJ9DRMYocmq6ZyedvLzxLUyym+VSCLW4RgMZ4JqWE51znmFmSW6RLvZeqpJ2C+423aR7IORYc22INosY85QajiSQRh/4LS02yoKU6m5Kja1gNwjDd1qdxQl6iW66GSzp1ba4iqEVwvqc6seEETKaWgXU2oesWjfyMvQqryPTDow9JS1Rka0xKrqKMxedQ4m5CipRAA4JA2R5RvB66L2Oc2P2H/8AyFKhxEdo5UKLh5ugYrlZHDNPpysJVaRkpN+XYDbrzTqHMwdUOs6btpN1X8r1Ro6LhfCM7yeUaQek8KOzM5hJ+oCSFOtV3plKz+lTMc2LJCQTYubBbLFQfOid8V6j8oj+UIsgAZgBYA6CKtR+VR/LEAWR2qI7BBe/0vsgvbZBqNIADrtV6rQXJ2qI4WguRBqIADrthzPlD1iGw5ry/bErZoPobpvyE+oe6FhEeQntA/1Cx6SD+lHnp/cPbAzpsNbiIW85Tt0AtaJ2R+kQO0RGgaERcxYC+y4tpBCnbCRKIwe/hBwKqgpjzfOy1SSZZ9s7FJOw24xc5R6K/TKpLul1K2Fy6GWrCxSEC1j7LRmZeYelXkPsOFt1tQUlSdCDFqqVio1laV1KaW+pAsCrdG/TuIRt3Tktzn1becq6qReF3RT5T2y5RMOz/lF6WLZP1FH/AEY5+2sp2XFthBsY7PVsFzOJeTSVmmnwl2QU6+2m18ydhTps2XjiySBodDsjiavbzhONRrZo7uiXUeF04veLNlhfksreL8PVDE0i+w3LyFwoOKN1EC/s03xi7Wv98elJYgrdMk5inSFTfl5ea0daQshKt2o3xp8WclU5hLCtNxS/VZZ9ufA/RIOqSRca31FhHnON058M+nY9i7eN5Q5ltHeK+ptmI+jDh5SfzugA4QmxQ9cZjllie+cf9Ef4iIInnvnH/RH+IiCBVhBBBAgOHsiaR+ct/XT7xEMTSPzlofvp94gCE7fYIIDu9UITYXOkALHR8LtGX5NZh4pt0uqpQO0Nt395jnktKzE6+iWlGFuuuGyEITcqPACO8VLDtFpHJ5L0pcyhE7IJDikJcBJeOirgfZ2R3dEtZVJyqPZJbHD1u7jSpxp9W32KHJ3S2q0ajSppouSrzLXOAbilwKSPtEeRiZyZdq1QXOM827z2UpGxIAIAHZYCIsP4mqWG3nHactILyQlQULgjaIrz06/UC/OzS87rqwpSjvNjHanXg7aNNdcnFhQqO4dR9MFIFRsNwAtAtKlLF7Qo2D1QRoZ7G7hIVQynLppwhIIIq3kyx6BbqkgbolmsxWAUAdVH+Ihm4i26JJv5f/oj/ERYrtkiV5RhIIIDsF7QQmQq+la5h+W2btGgvACsA8+gDRWYWjotKp7mJcHP1JhKWqg/JmScdP6xtpQUCeBsLeyOeM2Ew3bzh74u03EVVpUi7ISc242y4TmSlVhwNuHDSN6zrQpN8e6ZpXtvKvD+G8PJbwcgLqq6cRbpsrMS6gdnyZNvtEcjCSgFKgQQSLGOtYKUx/yeTcm30tIQSq5UEi+U6EndujxOV7C9Nw9XWHqMytMrPNc6VAlSM99Qk7O2140r+1lXtebHszasLhULrlS/3IwUEJmTxELHmXA9QpJ9CdHzF3+c37lRAr8/ZEyPmLn85HuVEKto/O6KEiK2QqdifzuhFbIUfR/O6ADf/wBYU+UPzuhN/wD1hT5Q/O6AJp35UfUR/imIImnflh9RH+KY9el4DxXWaUqt0ykOPygJCSki6rGxypvc66Rlo0Z15cNNZZirVqdCPFUeEeFBHt13BWJMNyjU7WaaqXZdOVJJB14EX0PrjxImrQnRlw1Fh+5NGtCvHiptNCKB4RZkfnrXrivE8iQmcaJ0GbfGNIyECkkXcVktc7tdsTSMhO1V5ErTZRT7qzlShO1R4ADb7IgVfMU21KrWjt2DeSiZwhV6PiqZxBLoba/SOJsAUrIslIvu1jLRta1zLgorLMdS4oW6467xH/vQweG8S8oXJxPzFBpsuqTmZ/K2thbd1EkWFu2xjptXmMO0vCAw+4WTUWEALShOqXzqskj1n3R781IYUn8aOYonqi27UWmwkFTicjQtYKSN5+32RyapKQ5UH1tv88guEhfnC+2PS2Wmy0inKrVw5z2/R57UtXjrM1a0JS5MN1nYiSbJF4VQPR1abVj3GIxsiU/In6w90UcjGlhYIk7NkLBBEF8BCnYISC2kCQESPj9KB2D3RGIkf+V/6j3QBGdsZKv/AP2blvNT7hGtO2MniH/7Rz6qfcI077ansbdmv4n6PN0+yLzVZqjFHeoLU2pNPmX0zDrAAAU4kZQb7RpppFKCOMdpPB71f5QsZYopctSK7VzMy0soFKebSkqIFgVkC6yBpdWsXJblUx7L4ebwuxWG26czLmUaAlWw6hgklTYdy5wk32XtGVggXF0ANt8Vaif0jf8AKEWBv9cVal8o3/LERgo3uW0W1vAmxBudkMgioHoIN7nZsgTqDc7IZBADgbxKyOt9kQjbErIuu3aIeCJbI3KPIHqHuhYRFubSOwQselp/Yjz839THs/Ko+sIakWvcb4cwP0zd/OEIPJVFzGIdsJBBABDhb7IjVthw3Qe5Q9ekYhqFKSlDU26lhLgUpsC4KbG4t/qNfNL5Ka5PyiZyQlgQCoKLWRKTwVbQ3jnunRj9ce4xEPo+yN2jeukuGSUl7mrWslVeYS4X7GwqPI3hiuCbquHKsWGhcJabAUhKwLnbraOY4dq7dNxFT0YrS/O0unPkOSyiVJAF03CTs11tGqlalPSC0qlJp1lKVhZCDYXHZG0rlAwTjuUYkJF6WlKo+Uuh9DAC1KA64NrXvYxhvNPoarHNCKjNf5/Bn07V7nQ6q5snOH/epjK9QUcp2Jp+ocmVCSzTpZlHOpUAjrW2hOwaC1hwjm62nWHCy8koWhRCgdx1uI6PVKbjfkgn3JbD1SddYqLF1uNMXzAaEEa2Ou3hHqKoeHq3yZyjdMwvOf8AI5l9CTMlk2uV9YlW5Nr6R5Kpp15Y1eVKDfjB72nfadrFH1UaihPdvOy/Ryqctz+z6CP8REFjwjqchyHV+eqPNVOdYlGEtI/So6+ZQASUgaHaNvCPYleQ7D0tJPu1TELi1tk9dspQlAB3g3MdehoN9XXFwY/J5a412xt58DnlrwcTuL2hY6tyl4EwpRcLy1Uw22VuIdShxxLpczJIOqtw+4Ryg6bY1b2wqWNTlT3ZtWN/Tv6fNp7L3FieRHxlr66feItIw5XXKb8MN0qZVJbOeDZKOG37o9TCGBsRYkqqZaVk1S6Ghzi3n0FCUgWsBxPYIwwtK9RqMYN59jLVu6FKLlKa267mdQ0t1aW0JKlLICQBqTuAEddoPI7IUVyWq+MKg05LWBVL5SE3IsAo8LkHThHpYT5KJHDZcqtZnmJmflkqLbadWmjYkEg7TpfWwjPVHE1ZrCDL1CoLeaSokJOy4v8An3R6Gx0yFiuZeRy30R5q81Sd/Pk2csR7v/8ADc017kwwzUZlymy7bL4QDzzYzp36JvqD6o5vOu8/NPvNBYQ66VhKlE6RHYk3tFtmkVSYSytqnv5X1BDa8nVWTsAPrjZub1VYqCSikUtNOnCXFvJ+5QGy0WBfoivWPcY0Uhyc4mnagulqkeYfQ3zhDigBa9hr69Iuy9EwpL4VnBVZotVdh8trbSbkEEgADeI5ruYLZHcp6bWntNcK8sxegAvwEJcXAuNdkdCXK8mNHrFMdS65MyzrJ6QnUhKrCxP36QxiocnHNVtJp6ruH4lmTchOUAW4da5tGNXDb2izP8oSWZ1ImKap0+8plLcm8TMHK11DZfqNtfZHu0Pk/rtampmULaZRyTSFOJf0NiDaw9luEXZzlHmlU6kyUrT2GnqW4HEuBN83VsBbcLR5FXxhXatU3as5NKYedQGzzV0jKBsteJlKtJfTsQqWn0X9UnLB67fJ82cPtVhVYZS4uYQ0po26oKwgnbuj0hye4ek8Sy9Mq2I2+ivSxdDiVJGosLE3sOPaBHPFTD3MgKecIBKsuY2JuP8AcSTLrjkwC4c5CAEkqN09UaQdKpJbyIje2UOlHJsE4cwYqiVOdFazTUq4sS7eYArAOgtvvbdEGIsAGkIpiZCptzr9RUGwhAA1tfTXZYRkE5kpCdEi26JmJ6blphmaZmFh1hQU0q/kkbLcIRpzi/uEru1qrhdJL3PVnMCYmlKmaUuQdU/k52zeoCdxJGzZ90eeqi1lmSXUF06ZEtm5tThQQEkaWva0aGn8peJ5GovVRcyh999sNKLqRaw2Wtshn/Pqs9SPgGbS2uTdf5xwhNlkFeZQFtm+Jc6q7IpKjpz3UmjNtZkvtJWLEEcDpEI2K+tHRXJDAOJ65ISlDcEg2hsrdJTlzKFrJF9L2ueEVWsOYIkqdWW56rc5Oyq1NypBtmAAsQNh109kWjdR7rcPS5y3hJOP5MKQRbS0bbBtfoEtTH5HE7SZltKs7KHUZwkW1CRuMR1HkyqbKKWZWcamHKmQENg2CTlzG54abo8apYVrtKnpinPSKnVyyQtxTIK0gG1tg7Y2Le+VKWVv7M0bvSK0oYmv2j25/BPJ3iCguSmHWZZiozJvKhaiFhe9J10FtI5ZirBVewc+wxW2209IQVNKbVmTodl+PZGqlHpuRfanpUqQ40oKQsDQH3RsafO0jH5ckcZtSp6L+klrEtkE6HrX+6NyrSttTjjCjP26HLhO60mSbblDvnqcNQPiLg/jI9yogVu9nujp9d5HZ9iVqVRoU5KvyCCZhhAWorUgXum9tbEkbdgjmbbLjq0tNtqUtWxKRqfUAI81dadXtpYnE9Ja6jb3Ucwl+iNWyFGgA/OyHraW2strQpK0eUkixT6xuj28D4XVi+vtUouLalxdUw6keQm2mu4k2Gsa8LepUmoRW7Nmrc06VN1JPZHheEBtmHs90dxTyGYSM8tBr81zSW02aCkZ0q3km2zTdaPOY5B5OXIqFRxLmlEOBRCWgAUX0Ga+htwjrP4cvdnhYfuciPxHZNbto5exSp+t1Vmm0yXW8+6lpICUkhN0jU2Gg7dkdfViVzBUk3g+itJAkmg0t5V7h06rI3WuTGnpVJw9hqopl8H0ZE9NPtArLLmZaUJFk6q0HC0eDUcJz2I5erYxfdZk1sOqSqUNs/U0Nzfsjo06FPRoP61zWauK/wAQzUYU3yvL2yebWqjNcomHJihO5GagwRMSwAsJgpGqTwMcxp+B8WVGZXKSeH5znGwCpK2ygDhqrbHaFYdpGGanQZ6VrDcwX3E86LiybjXZsEbB/EFHkcSGnTlVlUsCWS4FC3la6adlorVlaaklUuptSX+TNHT9Q0xujawTi/focnkOQlxygpnapWhJz2YBbdgptsX2KPG3btjT4d5MMM4Sqcu7MGYqUzMpKG0rbBQm2pOW0PqbmFahQp2oP1h9U25NKXzAcICk5tBl2eTbWG1nG1JkavTZ/CiVl1iX5p4PAlNtLAbt26LRubCi0rajlruy/wAqvakeO7uUovql1PUXgDAU2KhVX6LmmQsLSjVASUC5GXcTaMjiPHM9W5EUtyWbYabWOqka2GwE+zdEasfYhdE4M7aROKKyMougkAEJMZs3Uq6lZidp4xl5tOinKisSn1NOpGdaSpVd4Q+33/JCc5UVKUok8eELa260PO2CNVybMijgQbIlPyJ+uPdEcSfqD9Ye6K4JwR7YIIIE5xsEHiIIIABt+2Hv/Kj6o90MFr+yJJgDnQOwe6AI4ymIf/s3Pqp9wjVxkq/rU3PUPcI071Zp/s3bL+p+jz4IINscXO510EEEESZEIN4irUvLb/liLPGKlS+Ub/liBRotR72BMLnGeKpDDnSejibcyqdtfKkAkkDjYR4J2x7uCMTv4MxRIYjlpZL6pNy5aUbBSbWIvu0igOh07khwVWX5OekcUzLFKqsot2S6Uppt4OJcDasxNkkAEKsnW2m2Oa4iw+5huqro8xNtvPspSXQ2kgIWRqi53gWB9o3Rp6rykSQnKMrDuHRJ0/DzbqZGWm3ufWHFnNnUoBIUQbWFhoBtiLlC5QZfHMvSkppKpZ+RbKXXFuheYlKE2ToMqboKra6qJvAGKy9kSNIVmBA3iHBxxIACWtPOQCfvEPTOPI0yM9weESVlvsbJohTSFJFxlGo2bIflNtkZFNbqCEhDbiAkbAEiw+6F+H6l6ZPdHhHWhfQUUmc52M2/Y2DIPPI0+kPfCCwCr74y8lXKkubaSXU2KgPJHhEPw7U/SDujwifmMfBT0Ml4NXY8IWw4GMn8O1L0g7o8IPh6p+lHdHhD5hDwSrCT8GqKVX8kw7KbWyxkvhyp+lHdHhB8O1P0qe6IfMIeB8umbG3xY288e4xCAdNOH+ozaa5UjJLUXRcOoA6o4GIDXqpvdT9giPmEPBX0E/Jr7HZD2X35V5L8s6ppxB6qkmxG7SMb8O1P0o7o8IPh2p+lT3RFlqUVjBV6bOXXB2TDGP0yLcwmuB6dcULtlRBA02a7oe7ypTJkjLy1Mbadz3SoHqgX00HZHGPh2p+eO6IjNdqecfpR3R4Rux+IakY8KNP/AE7SlPil/bsd1oWIV4oriZat1j4KaYYKkqbVkzneCfvtHgzuGa/NNT9Wpbrs1Tm3VJDpXq4N57R2xzGZr1T5z5UeSn6I80dkX5TlCxfJ0t2jsVZTco7e7YSLWNr7t5jRr6zXqT4uJnZtNIso0lSqU0vddTp9HwvXKROylJr8s2abWQph1tSswIy3GzYRaPZp/JBgeSqL8uaYudWWkqLbqioNgnaLfZHHZnlLxnOmTXNVhS1yNlMHIkZTx9cTDlZx8moOVNFeWmYdb5taghIBSNgtbtjNb63yo4q01N+Wa9zoVtVq/wAKtKEcdEdrE5V6fSFppuHGTS25jo7OtkhAVYkp9d49GuSmInqxS6dRlsSjj6FvKUSMqkgWtbhHzy9ykYxdpho66uvoy3C4U5Re5NzY7tddIYzjfFbtQlXV1qZ5xuzYXm1COA9kZJfEV3NNQwkZYfDukwxxpyx136nWncH1CflqzU6tiLmpqUWtC0BYCVZU6Ai/DQRC5hLBDaqQBX9ZtdpjK4LNixsTwF9NdxjjS8U1+YWtx6pLKnFEq0HWPbDPhypkdaZv60iObUvqlTepJtm9StrS2+mlSWDt7M1gHClRq8g4k1JtxAEu4LLAXbUX2e2PHd5Q6oujS1EYaZaak3ErbcSnrgpIIBv6gI5R8N1HZzw7ohfhuo+mT3RFI3FNbyy2TVrXEvppYivY6bP4+xPP1IVZVTU2+GuauiwGX1R4i3lvhbrisy1OhRJ2k2OsY34bqPph3RE7daqIk3Fh8XDiAOqNlleAjNG9pQ+2Jo1aNzX/AKs8mkcvnveFSRYcYyhrtTO15J/6iD4dqXpU9wRkWoQ8GD0M+mTWaXvArVMZP4dqXpU9wQnw5UvSo7gg9Qh4J9BL2NXtCbKsE7Rp90OmDmWpI0IQnQ2F+qIyKq5Ubj9Knf8AQEWJyt1Hn786m/No+gPNHZEevh4I+Xy8o0qlozaGwAhAtA3iMr8N1H0qe4IT4bqHno7gifXQ8BWE14NXmTxhMyOIjK/DdR2c6nuCD4bqPpE9wQ9dAj0E2+xrpfKp5Cc1rqAuIapST9PbtjNSNaqCp1hBdTYuIHkDZcRAa1UdvOp7g8Ih3kH2LKxnHZM3EtXKnKusPs1B0LlyC0c5OXdoDHu0blJq9JcnnXAmbcnkgOLc2ggEaRyr4bqOznUdwQfDVQ9InuDwjG7qk+qM9ON1Ra4JHYUY3pE1QZLDs1S2UIQ+2Zh5IsShJFyLb49L4I5NKviPmpOppk5JMslRJXlC18LnZxjhnw3UPSJ/piD4bqPpEdweEQ68MfQ2jfp1aklivBS/R36iyT8hhmanZDEjbslLTCktS+hKkZ7Ea8dtu2NQqk02Vq0giVokml6aS4pC8gBQkAHZbtAj5eRX6siUdSmaIHOINgABsVu9kWFY+xet1p9VbmCtgENKvqgcBwEbtDXbmguFYkvdZNG50bTruSlKHB/6vB9FOUelzr1cfnMOMqclAEPqCEkqTkB28Y8eq4TkadhKXlcMSHQ3Kk62Wgg2K9NhVwy6xxWW5S8ayctNSrFZcCJy/PXSCVbtSRwhy+VHHK2JSXNbWG5FWZkBCeqbWHr001jLL4hrSi1KEc+cGs/hzT1jFSSXjOxv2sB40dqUxItpWZhhsKdPOaZDsF9+zZFRFOxaunNyg6QKet4M3VfIFXt9l4ybfK9j1qddn26ypL77YbcIbTYgAjQW02xM5yv4sfwwnCy3GeYQsOc7zdnLg3GuzbwjnLVrmOyOm9G0uSS3WDc1GTxByY1RicYm2w7NM6FOtwNLEbtRGYm6zU515556bcvMKKnADYKPq2RlariuvT76FztRdfUltISXLHKCBoIofDdRvfpBPsETG7i/qqLfyatehJPgt3iC7GvsSLKJ+3ZAAASbkk7zGPNeqYNue9lhB8PVP0/3CMivqa7Gr6Op5NjeJJc/p0W4pjFfD9U9OfsETS1fqfPt/pt43RKv4eB6KWOpqiDeEseEZNVbqZUf0/8AaPCD4aqfpx3R4Rb5hDwR6OZrLXgjJfDdT/af7R4QfDVTvfpH9o8Ij18PA9DLBrrDgYk05g/XHuMY34bqf7T/AG/hEya1VDLOfGdApP0RvB8Ievh4J9DP2NPY8ILHhGS+G6l+0DuiD4aqf7T/AGCI9fDwVdhLya32QRkvhqp7Ok/2wvw1Uxtmf7RE+vh4J9FL2NaBcw+YBDvsHujIJrVTsQZnd5o8IdM12pJcHxgeQn6I4CJV9Bk+hlg1JOuyMnXwPhFZG9I90N+H6l6f+0eEQO1F6YXzjwQpXEoF4wXF3GrHhijNQtnSllsri19fsEdNY5LKK7hQTCqrOoxCuimvpl8iOjiWCwkoJ8rPqDcadkc1U6HARlQLjSyALfdHQmeVmSThX4Pcw84quN0g0NFQMzZrohWFG7YFyvQC9wNNkc9m+j0+S3kho+OsLM1qcbxK9MTVZXSkmlyyXGJRKWm1h58lJsm67XuPJ2xzCpyIptTm6cH0PiWfWyHUbFBJIuOzSN/ye8qVEwlhlqhVWi1SZek6wqryzklUhLoUottoyOJ5tRUm7YOhG0iMJW6mutVidrDrTbS519b6m2xZKcxvYDhAuihbbFWpfKN29GItjyVRUqXyqP5QgMFmHJ01ghYoVFVqNYROmkEEAP5wjSwMMJJ+in8+yCCAwETrkZ1uTRUFyb6ZRxfNIfLZDal2uUhWwm2thrEA01G0bI6vTq6mqclVAksSVQzMtIYxlkJZdcvzUtzDpUAnaE3O7S8XQzg5pMUyq0tMtMz9Nm5VuZTzkut5lSA6jzkkiyh2jSHPUKuy9OZq79Gnm5CYVlZmly6wy4dlkrIsT2CO38scmioVNvEbNCk2qo/PTErKMLnBNNTVPSyCl4IWopQANAE23aaR7RnJOUll1uszzAwtNU+hNSAU6lSC62pAdCUA9VQUFlWm+LYKnztU6JWqIppNZpE7IGYQHWhNS6mucRuUkKAuO0RRuY7LyyCflsKdHxFNh2fmMTTk1JBTwcUZItpAUkg6IJy2Gmw6aRxmKtYLxHtoW6sNtIUtaiAkAXJO4ACPQl8OYinKkuiylBqL9QaF1yrcq4p5AsDcoAzAWIMQUipVGkVKWqVJm3JabYcCmnWjZSTcag7jH0RIzctP8pvKAp0P1MzdOpahLSM0hiZmDzEupSm3ToAkglQ22vs3QiW8HzsxI1F+ZFKl5KYcm1OBtMuholwr1GUJGt76WteLbeFsUPVRdCZw5VF1JpOZckmTcL6Ra9ygDMBbsjtUtOvr5ZK+60qmhubmag3ITzQQkmeXLKDSAu9wAogX2Zt8XlM1J3DZw3JzSTjNFBkG30pmEh/ImYUpSCu+qgkpJF72iSp86ONusOKZebUhaFFKkqFikg2II3HS1obffGx5YH5GZ5S6+/TnWnWTNWLjRBQpYSkLIOwjOFG4jHRGCU8F+m0Cv1hp9+kUWfnmpQZphctLLdSyniopFkjTbpDRQq0aV8Pijzppmfm+miXXzGbzectlv2bY6tyKyWNDRpnENM5+ZpVCmg+1TpVxKHJ2dU2oJSoEglAAuSbjdvjSTC5pWE3aq++03Qxgx2SfaDiAhNT6QCWubv5fOWOm5MMEcRwmTotbq7D85TKPPTjMokF9xiXW4hkW0KiBZIsN9oQUKtqpIrwo06aYVZBO9HXzBVwz2y37I7xgQ1RyQoJSZWQVScRTMxiBppxDLTcsqWbDalpGhRYOjS4urdeI6g8yvCEzU5aZZRhZeC1yTSQ8kI6d0gZWwjbnzDNs2awwTxY6Hz7BuiK5Um/ZD9NAokGxuBwA1hgoeg7QK63TGq45RJ9NNdWG0TipZYYUq9rBdspOlrCFqdDrtAclnK1Rp6n8+kOMGalltc4jzk5gLjtEdkRI8odE5NWayuXcqL1fYlpeRShbZlqfKNPBSFLTe3OKcFrW2XJ2iGco1Ox3RJSlYbqlMNVmkzU3UZufnC26w5NvMjOy1ckFCEIvfTr6jYIkscYdoVbl6a1W36POt059WVqbXLrDCzsslZGUnQ6CHVOhVqiFkVmjzsgZhHOMial1tc4jzk5gLjtFxH0Oidp8rLGt1ecZGEpql4eYkkF1KkKfbcb54BAOikqS6VaDQ9sZDlgRUJXCb0tiCa52dmcWTk3TwqYS6ehKZQM6cp0Qo5LbBdJ00irRKkcaiSXl35t9EtKsLeddIShttJUpROwAAXJ7BEdjtjccij8vLcptFcmX22CVuoZdcICUvlpQaJJ0HXKdYrggzgwnilVWOH04aqpqiU84ZESbnPhFtpby5gLa3taKjUlUXZn4KZkphc2p0NCXS2S4Vi4y5Rre+lvZH0EZatuYH/4kzMXx0jD7SXEdJSJjmxOlXN577cmVVr7IqNT7T3LVV3pRVP5mYfnZeUqCSgFVUMhlSA55vOgm+zMq8WSI4jijeFcUrrCsPIw1VVVRCSpUimTcL6Ra9y3bMBbW9tkec807LurYeaU242SlaFpIKVA6gjcb6Wj6EmpWqTGE14YlJrPjhvDFNQ62mYSJgJRMrUprPe2ZKCgkXJsOyOW8tEzJznKliKYkX2nkLmhndaIKVuhCQ6oEaEFYUbjTfE4LoxUXqbQq3WW5h2kUednUSiOcfVLy6nAyjiopHVGm02EUY7byOJmn8M0hVEn22V0/GDE3WEF4N5ZLmCA4u+1CeuLbOsNNYYD2OQfAFdVShXxRZ40wK5szol1cxm2Ac5bLfsvD5Oi1ytMTE7S6PPTrEmgKmHZeXW4hlNtCspFkiw2m2yOzVFnGEpye1vErLD1VpldlX6dSJRhaOjyVKRNB0vrTfRd0BKRa9ipXCLnJ+at0KgKb6DTjRsTTL+JWGFoZaalFSbaWlKSLAosHk216yrW1imCqZwoUOtGk/Dwo88aZn5vpvR18xn2Zc9st9LWijH0C8/LvYUfrUlNt/wDE14Bcp6G+eSG/hHpCcrYbvfnOcCVjS9kk33R8/RJZdQi+uhVpukorrlHnU01a+bROKl1BhS/NC7ZSewaxQj6CRzE1hVydqNUblsJTeCpCmNuKcC0MzvSbOAMg3LiFBxezYRtvEoh7HBOh1CWYlKo5IvolZhZEu+poht0oICglWxVrgEC9rjZEq6HXJemNVmYo081T5hWRqbVLrDLh4JXaxOmwcI7xypvUSpYFwY1gOt0StylOqNWlKdS0y6gUynMsErWlwAZhkUok7VLuNht6ImKfLU//AJBWZtlWEX6VhhiWSXklBfada59CUX0Ukh8qGm3ti2CqPnip0OtUUMGsUeekBMoDjHSZdbXOo3KTmAuO0aRRjtHLE1UJTCT7GI5tL87NYtnJ2mkvpdJklsthS0kbEKUGwNl8p00ji8RgkkYYfmnm5aWZW666oIbbbSSpRJ0AA1JvpYReew1iOXqyKA/QKk1U3LBEkqVWH1XFxZu2Y6dmyNHyNTUpJ8pFHdm3m2bqdbZccISlD6mlJaJOwdcp1jseH5h+iUSUpdVprVTxyxhRbCJJ2dyPKQudzFBcSoHNzWXQKvbfuMhs+cESE8ub+CkST6pxTgaEuGyXSu5GTIBfNfS3si4nCWKFVZVARhuqmpoTmVJCTc59IsNS3lzAWI3R1yjU2n4d5V52m0ToiaaHZ6XkJtbqCtFQcklZGQ8TchDigAdhKY9iaarL+GF4TYmQcaIwvTUOpE2kPkImXFLbK76qCS0Sm+wdkBnB88PMOy7y5eYaW262opWhaSCkjaCDqDutDMojbctr8nNcqNfeknm3kmYAcdaN0LdCQHFA7CCsKN/bGH02QKt5L9NoFbrSX1UejT0+JVPOPmWl1OhpHnKyjqjtMKnD9bVSVV5NFnjTEL5tU6JZfMJXsyldsoN9LR1/kYVPP4apLdEmksrkMWMTlX/TBq0kGSM6rnrIFljeOsBbURq6o/SXeTWouSC1FheHZppmoiZSJIBU8laZYsbS/oAF7Num+BKPnWSolbq7ExN0qjz06xJJCph2Xl1OIZTbasgWSLA6mGig1xVLNdTRp401KubM4JdXMBXDPbLe+lo7xyeCrv0+jloSlMXSsRvzWIGGltsIbljKoCFKSDYoIzjS4urthVutO4Udq0lNsnC3/CXZFSQ8kN9P59OVvm73z5xn0GwXicbE4PncjfCQ82KbQ1Kcp2RRjCJlyE83JJqTkm+JRS+bEwWyGiu2qQrZe27baLc9Q61Q+jOVmjz0gmZSHGFTMutoOp4pzAZh2i8dDw3WmnOSykylanudkaZjeTUJdxVw1LlAW7ZO4aqJ7Y0/KF8PMUSbZqDcrU56cxTOTdIl33m3krkzLpCnEpJ0QeqRe2qdmkERg4s5Qq4zS2q49Rp5FOfVlam1S6gws8ErIyk6bBBUqDW6MlhVYo09ICZRzjBmZdbQdTxTmAzDtGkfQKZmUlZQVmrTkv8A8Tdp1Bblmy4koL7byOfCWwbgpAczab+2MzywN1KRwlNs4hnEPzM7imZm6aC8HSZQtIutFjcIUcoGwdU6aRYnBxaHIQpakoQm6lEJATqSdgAH+oaFZosSFSn6PNtVOmTTktNyys7TrZspCtxBGwxQjBal8NYinKoaHKUCov1FAuqUblVqfSLXuUAZgLWOzZFdEjUDMmlpknzNlwN9HDZ5zPcjLl23vpbbHcqjTcUYy5ZsSylDq60ST0jITVXmZdxHPuNJZbJQ2onValG1gbX1OgitR5yrzvKxUKrXqHLUhU+/OJllPlsPMza5Y8ygrGzak32XO2MkRg5CjCmKF1Y0BGG6oamlOYyQk3OfA4lvLmAt2R5z7D0s8uXmWVtOtkpW2tJSpJ3gjceyPodbVUcw09hZmbBxsnDsm2pHSE8+oJmFFbee9swSWza97J7I5Vy0zMnMcpVZXKTLL5DiUPONEFK3ggBwgjQ9YK2ROCTExYlafPTyXVSUk/MBhBcdLTRWEIG1SrbB27BFeOi8j+IJ+SViWi/CZYkJzDs+pxgrCUPOpbGS43nhFMEYMFLyU9NMzEzLSb7rMokKmHG2ypLKSbAqIHVF9Nd+kSytCr1ZbmJml0WenWpNAMw5Ly63EspttWUjqj12juGChgprkQxPRaVjSmtTs5RUTlTYdZdD65oTDeRpJy5SlIGUAHapR0F4dydrrTlOpCwqTknJCvvTNcZaUhhCJUywCFKANlJtmFhfUxZDBwlFBri6UquIo08achXNqmxLqLCVcCu2UHsijH0cubYfw67VpKba/wCKowi/KON8+kI6bzqbIDd7584zbNgvsj5xg3ggNd0OGyAaCFjGWSwJlEGyFgi5ZCDYoRUqPyjf8oRb0sbRUqPyqP5YgSXIIIIoUCCCCJAQQQRACEKlCwBNhqBw9ULcC3boIIugBcfUQS6slIsm6joOA4Qis6kpSVqKRsSToPUN0LBE5GAJWu3OLUqwsLkmw4C8EEEG8kp4DQajSHJdeSvOhxYUdMwJB4WvDYIgZyOClgghZFjmFidvH1w4OOBZc51QWraoKNz7YjggQGp1gtugggB6H32tGnnEDbZKiBCc44pJbUtRQTmylRtfjbZeGwQGCTnnBms4oZxZVlHrDt4wy6ubDQUoIBvlvpf1QkEAKEpyEgpvbZwhDcLSALjNqRtAtugggRgm5x1ADXPrKLAhIWSB2AQOuPvW5yZeIGwFZIGm6IYNRpAkC2opCOdVlT5KSbgeobBAtTyyOddUuwsm5JsOAvBBABCglJuNCNnZCQQA/n3Uuc6HV57WzZje2zbDUrWCLKI1zCxOh4+uEggMEhcWXefzq5w/SBN+G2EJzbTc9sMggSngde0KhSm782opziyrG1xwNoZBANkvPvhrmkzDoRa2ULNrcLcIjzOkKCnFnPtGY9b18YSCBA4KUGw1mIRfNlvpfjbZBDYIEp4HQ4qUWuazqyA3y3Nr+rZEcEBnI4KdTbK6U2vYA2tpY2tCKzrbDK3CUA3CSTYHsEJBAgdmWoDnHFLyjKm5JsOA4QQ2CAH5ikgg2tqLQ7nnOd58OK5zZnzHNs47dkRQQGByhmSNTcKzDXfx9cIHHgvnOdXm11zG/wBu2EggAJJNzBBBAYBKlovkUpOYWNiRcdsOzuc1zGdXN3vkubX9UNggMDucdsRzi7K29Y6jt4w5K1Brmc6gi98tza/HheI4IcWAB29kKQBCQRQCBawnJc5b3y7r7L2hynHVFKitZKRYEk6DgOENsOELEgb18obzqCRsFzYeyBSluEc4ta7DKMyibDgOAh0EWAJ0teFVe2htCQQA9px1tZcbfcQpQAJSsg23bIFlbhzLcWo3zXKiTfj64ZBBbAkDzqXOeS6sL84KN/t2xERqTe5Ot4WCD3AQqVKQsKSSCElOmnrhIANbRCWAKB1SkEgHaAdoiRC1ISUpcUAraATr64igiyA4rXbKFkI82+n2Q2CE324C8S1kCwQbtkJvtFNicCwQb7b+EJElhNxitUtHW/5SYtCxvpFWoj9I2f4YgVcty0NkLCZE7rQZE9kUIOj8mlL5JZ6mTC8f1ZyVnA7ZpIUsAosPNHHjGucw9/8AGkNryYldzBJy5XHtttLXTHCsohco2aRo1LOU58aqNex6Sy12ja0FRlbQk13ZYfblfhBbUu4TLc8QhR25M1gT7I+hpPAlDcxXRKE5yaU52gl+SElVTYGoFbIUtKjf9NdRULDycu60fOGg9Ue3hnFtVwxWZGsyzpfXIKzMtPLJQk23C+m3daOhFYSR56pJTk5Yxl9PB3Cq8mdMquH5vncBy9NxW7S5lyWpErL5FgNzbaUPIaGoUWysabQI5Ryv4flML47mqHJSKZNEvKyRUwABlcVKtKXcbjmKj7YzL1XqL04uoKnn+fWokLDqrpBJ0BvoNdkVHn3Jh0vPOKWtVsylKJJ0sLk67IMoNgghIhPAFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBccYZAsEEJDIFghLjjBfdEAWCCC2toAIIIIALEwtv3fvhLHcRBlVxETkBYmCxgyq7IMquIicgIISxvuhLHsiMgdBCWPAQW3aROQOAPCOg4Qo3JLN0Fh/FlUcYqSlL5xCVuAAZiE6JFtlo54SBBlQeP59kbFrcK3nxyipLwzWu7eVzT4FLh90dTqlB5D2qZNOU2svOTaWVFhOd03Xbqi1uMYbBcnTpvFtFlashsyD08wiZDpARzRWMwUTsFr68I8YISLWvDgFDZGa8vY3bXDBRx4MVjZStE1KblnyfR9PlMAVaYpUujk+w221V8QT1DU4yzYJlm0JUhaCDYL63l7bARNK8nfJnL4PoiHKKqfbm+iK6c3TbjpKpkJW25NFywGUlPN5d3tj5r6RMoyhDziQhWZICiMp3nsOkPbnp9LQl0zb4bSoKDYcOUHbe2y/bGombx9Iy9O5Ppmek5FfJxhxAmsWP4fUUy9imUS22oLGui7rPX22Ajz3OTzCqKQqXawnJroopgmkV86Ome54JLHOb9Mwyfu7I4CJuYBCi85cKzghR8rj69NsOM9M8z0YTDvNXzc3nOW/G17Xirwwm08H0NLYTwBivHmKcJO4ZpFKZwypFQaMu2El6Ul78+2ok9YqSUnj1Y+eKq/KTVTm5iQl0MSzjy1NNJFghF9ABwtaPTouMJ2gSVXl5SWZVM1dgSzk4u5dbauMyUHYM1gCTrYR4Wqtv3RLxguJbcYq1LRbd9LtiLelx6tkVKnYrYAOxsCIKNbk/TJL0i+7+MHTJH0i+5BBFAL0uR9Ivu/jB0uR9Ivu/jBBACdLkfSL7n4wdLkPPX3IIIsgHS5DZzi+7+MHS5Dz19yCCJJ7B0yR9IvufjB0yR9IvuQQRQgXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcj6Rfd/GE6ZI+kX3IIIAXpcj6Rfd/GDpcj6Rfd/GCCADpcn56+5+MHSpO1s6+5+MEEAHS5Tz19z8YOlynnr7n4wQQAdJkz+sX3IOkSVvlF9z8YIIAXpMn6Rfdg6TJj9Yvu/jBBACGZkx9Nfc/GDpMn56+5+MEEAHSpPz192DpUp56+7BBADTOSPplj/p+MKmZkVfr1dz8YIIAdz8oNekL7n4whnJQf8A6Fdz8YIIAb0qUOvOr7n4wCZlB+tX3PxggjIiRwnJS3yiu5B0yU9IvufjBBGN9SBqpmUOvOq7n4wCakwLc6rufjBBF0XQompbMbajtFoqTsy0paClJICQNIIIENH/2Q==",
+      "created": 1660300358240
+    }
+  }
+}
 \ No newline at end of file
+# libmodbus
+
+A featureful and portable Open Source Modbus library.
+
+## Description
+
+libmodbus is a library to send/receive data with a device which respects the
+Modbus protocol. This library contains various backends to communicate over
+different networks (eg. serial in RTU mode or Ethernet in TCP IPv4/IPv6). The
+<http://www.modbus.org> site provides documentation about the [Modbus
+Specifications and Implementation Guides](http://www.modbus.org/specs.php).
+
+libmodbus provides an abstraction of the lower communication layers and offers
+the same API on all supported platforms.
+
+This documentation presents an overview of libmodbus concepts, describes how
+libmodbus abstracts Modbus communication with different hardware and platforms
+and provides a reference manual for the functions provided by the libmodbus
+library.
+
+## Use cases
+
+The library can be used to write a:
+
+- **client**, the application reads/writes data from various devices.
+- **server**, the application provides data to several clients.
+
+<figure markdown>
+  <img src="assets/client-sensors.webp" width="512">
+  <figcaption>A libmodbus client that reads only the temperatures from sensors.</figcaption>
+</figure>
+
+<figure markdown>
+  <img src="assets/server-grafana.webp" width="512">
+  <figcaption>A libmodbus server that exposes data to a Grafana service.</figcaption>
+</figure>
+
+## Contexts
+
+The Modbus protocol supports several transport protocols (eg. serial RTU,
+Ethernet TCP) called backends in *libmodbus*.
+
+The first step is to allocate and set a `modbus_t` context according to the
+required backend (RTU or TCP) with a dedicated function, such as
+[modbus_new_rtu](modbus_new_rtu).
+The function will return an opaque structure called `modbus_t` containing all
+necessary information to establish a connection with other Modbus devices
+according to the selected backend.
+
+Once this context has been created, you can use use the common API provided by
+*libmodbus* to read/write or set the various timeouts. With this common API,
+it's easy to switch the backend of your application from RTU to TCP IPv6 for
+example.
+
+### RTU Context
+
+The RTU backend (Remote Terminal Unit) is used in serial communication and makes
+use of a compact, binary representation of the data for protocol communication.
+The RTU format follows the commands/data with a cyclic redundancy check checksum
+as an error check mechanism to ensure the reliability of data. Modbus RTU is the
+most common implementation available for Modbus. A Modbus RTU message must be
+transmitted continuously without inter-character hesitations (extract from
+Wikipedia, [Modbus](http://en.wikipedia.org/wiki/Modbus) as of Mar. 13, 2011,
+20:51 GMT).
+
+The Modbus RTU framing calls a slave, a device/service which handle Modbus
+requests, and a master, a client which send requests. The communication is
+always initiated by the master.
+
+Many Modbus devices can be connected together on the same physical link so
+before sending a message, you must set the slave (receiver) with
+[modbus_set_slave](mobus_set_slave). If you're running a slave, its slave number
+will be used to filter received messages.
+
+The libmodbus implementation of RTU isn't time based as stated in original
+Modbus specification, instead all bytes are sent as fast as possible and a
+response or an indication is considered complete when all expected characters
+have been received. This implementation offers very fast communication but you
+must take care to set a response timeout of slaves less than response timeout of
+master (ortherwise other slaves may ignore master requests when one of the slave
+is not responding).
+
+To create a Modbus RTU context, you should use [modbus_new_rtu](modbus_new_rtu).
+
+You can tweak the serial mode with the following functions:
+
+- [modbus_rtu_get_serial_mode](modbus_rtu_get_serial_mode)
+- [modbus_rtu_set_serial_mode](modbus_rtu_set_serial_mode)
+- [modbus_rtu_get_rts](modbus_rtu_get_rts)
+- [modbus_rtu_set_rts](modbus_rtu_set_rts)
+- [modbus_rtu_set_custom_rts](modbus_rtu_set_custom_rts)
+- [modbus_rtu_get_rts_delay](modbus_rtu_get_rts_delay)
+- [modbus_rtu_set_rts_delay](modbus_rtu_set_rts_delay)
+
+### TCP (IPv4) Context
+
+The TCP backend implements a Modbus variant used for communications over
+TCP/IPv4 networks. It does not require a checksum calculation as lower layer
+takes care of the same.
+
+To create a Modbus TCP context, you should use [modbus_new_tcp](modbus_new_tcp).
+
+### TCP PI (IPv4 and IPv6) Context
+
+The TCP PI (Protocol Independent) backend implements a Modbus variant used for
+communications over TCP IPv4 and IPv6 networks. It does not require a checksum
+calculation as lower layer takes care of the same.
+
+Contrary to the TCP IPv4 only backend, the TCP PI backend offers hostname
+resolution but it consumes about 1Kb of additional memory.
+
+Create a Modbus TCP PI context, you should use [modbus_new_tcp_pi](modbus_new_tcp_pi).
+
+## Connection
+
+The following functions are provided to establish and close a connection with
+Modbus devices:
+
+- [modbus_connect](modbus_connect) establishes a connection.
+- [modbus_close](modbus_close) closes a connection.
+- [modbus_flush](modbus_flush) flushed a connection.
+
+In RTU, you should define the slave ID of your client with
+[modbus_set_slave](modbus_set_slave).
+
+To analyse the exchanged data, you can enable the debug mode with
+[modbus_set_debug](modbus_set_debug).
+
+Once you have completed the communication or at the end of your program, you
+should free the resources with the common function, [modbus_free](modbus_free)
+
+## Reads and writes from the client
+
+The Modbus protocol defines different data types and functions to read and write
+them from/to remote devices. The following functions are used by the clients to
+send Modbus requests:
+
+To read data:
+
+- [modbus_read_bits](modbus_read_bits)
+- [modbus_read_input_bits](modbus_read_input_bits)
+- [modbus_read_registers](modbus_read_registers)
+- [modbus_read_input_registers](modbus_read_input_registers)
+- [modbus_report_slave_id](modbus_report_slave_id)
+
+To write data:
+
+- [modbus_write_bit](modbus_write_bit)
+- [modbus_write_register](modbus_write_register)
+- [modbus_write_bits](modbus_write_bits)
+- [modbus_write_registers](modbus_write_registers)
+
+To write and read data in a single operation:
+
+- [modbus_write_and_read_registers](modbus_write_and_read_registers)
+
+To send and receive low-level requests:
+
+- [modbus_send_raw_request](modbus_send_raw_request)
+- [modbus_receive_confirmation](modbus_receive_confirmation)
+
+To reply to an exception:
+
+- [modbus_reply_exception](modbus_reply_exception)
+
+## Handling requests from server
+
+The server is waiting for request from clients and must answer when it is
+concerned by the request. The libmodbus offers the following functions to
+handle requests:
+
+Data mapping:
+
+- [modbus_mapping_new](modbus_mapping_new)
+- [modbus_mapping_free](modbus_mapping_free)
+
+Receive:
+
+- [modbus_receive](modbus_receive)
+
+Reply:
+
+- [modbus_reply](modbus_reply)
+- [modbus_reply_exception](modbus_reply_exception)
+
+## Advanced functions
+
+Timeout settings:
+
+- [modbus_get_byte_timeout](modbus_get_byte_timeout)
+- [modbus_set_byte_timeout](modbus_set_byte_timeout)
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+
+Error recovery mode:
+
+- [modbus_set_error_recovery](modbus_set_error_recovery)
+
+Setter/getter of internal socket:
+
+- [modbus_set_socket](modbus_set_socket)
+- [modbus_get_socket](modbus_get_socket)
+
+Information about header:
+
+- [modbus_get_header_length](modbus_get_header_length)
+
+## Data handling
+
+Macros for data manipulation:
+
+- `MODBUS_GET_HIGH_BYTE(data)`, extracts the high byte from a byte
+- `MODBUS_GET_LOW_BYTE(data)`, extracts the low byte from a byte
+- `MODBUS_GET_INT64_FROM_INT16(tab_int16, index)`, builds an int64 from the four first int16 starting at tab_int16[index]
+- `MODBUS_GET_INT32_FROM_INT16(tab_int16, index)`, builds an int32 from the two first int16 starting at tab_int16[index]
+- `MODBUS_GET_INT16_FROM_INT8(tab_int8, index)`, builds an int16 from the two first int8 starting at tab_int8[index]
+- `MODBUS_SET_INT16_TO_INT8(tab_int8, index, value)`, set an int16 value into the two first bytes starting at tab_int8[index]
+- `MODBUS_SET_INT32_TO_INT16(tab_int16, index, value)`, set an int32 value into the two first int16 starting at tab_int16[index]
+- `MODBUS_SET_INT64_TO_INT16(tab_int16, index, value)`, set an int64 value into the four first int16 starting at tab_int16[index]
+
+Handling of bits and bytes:
+
+- [modbus_set_bits_from_byte](modbus_set_bits_from_byte)
+- [modbus_set_bits_from_bytes](modbus_set_bits_from_bytes)
+- [modbus_get_byte_from_bits](modbus_get_byte_from_bits)
+
+Set or get float numbers:
+
+- [modbus_get_float_abcd](modbus_get_float_abcd)
+- [modbus_set_float_abcd](modbus_set_float_abcd)
+- [modbus_get_float_badc](modbus_get_float_badc)
+- [modbus_set_float_badc](modbus_set_float_badc)
+- [modbus_get_float_cdab](modbus_get_float_cdab)
+- [modbus_set_float_cdab](modbus_set_float_cdab)
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+- [modbus_get_float](modbus_get_float) **deprecated**
+- [modbus_set_float](modbus_set_float) **deprecated**
+
+## Error handling
+
+The libmodbus functions handle errors using the standard conventions found on
+POSIX systems. Generally, this means that upon failure a libmodbus function
+shall return either a NULL value (if returning a pointer) or a negative value
+(if returning an integer), and the actual error code shall be stored in the
+`errno` variable.
+
+The *modbus_strerror()* function is provided to translate libmodbus-specific
+error codes into error message strings; for details refer to
+[modbus_strerror](modbus_strerror).
+
+## Miscellaneous
+
+The `_LIBMODBUS_VERSION_STRING_` constant indicates the libmodbus version the
+program has been compiled against. The variables 'libmodbus_version_major',
+'libmodbus_version_minor', 'libmodbus_version_micro' give the version the
+program is linked against.
+
+## Copying
+
+Free use of this software is granted under the terms of the GNU Lesser General
+Public License (LGPL v2.1+). For details see the file `COPYING.LESSER` included
+with the libmodbus distribution.
+# modbus_close
+
+## Name
+
+modbus_close - close a Modbus connection
+
+## Synopsis
+
+```c
+void modbus_close(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_close()* function shall close the connection established with the
+backend set in the context.
+
+## Return value
+
+There is no return value.
+
+## Example
+
+```c
+modbus_t *ctx;
+
+ctx = modbus_new_tcp("127.0.0.1", 502);
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+
+modbus_close(ctx);
+modbus_free(ctx);
+```
+
+## See also
+
+- [modbus_connect](modbus_connect)
+# modbus_connect
+
+## Name
+
+modbus_connect - establish a Modbus connection
+
+## Synopsis
+
+```c
+int modbus_connect(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_connect()* function shall establish a connection to a Modbus server,
+a network or a bus using the context information of libmodbus context given in
+argument.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno to one of the values defined by the system calls of the underlying
+platform.
+
+## Example
+
+```c
+modbus_t *ctx;
+
+ctx = modbus_new_tcp("127.0.0.1", 502);
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_close](modbus_close)
+# modbus_flush
+
+## Name
+
+modbus_flush - flush non-transmitted data
+
+## Synopsis
+
+```c
+int modbus_flush(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_flush()* function shall discard data received but not read to the
+socket or file descriptor associated to the context 'ctx'.
+
+## Return value
+
+The function shall return 0 or the number of flushed bytes if
+successful. Otherwise it shall return -1 and set errno.
+# modbus_free
+
+## Name
+
+modbus_free - free a libmodbus context
+
+## Synopsis
+
+```c
+void modbus_free(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_free()* function shall free an allocated modbus_t structure.
+
+## Return value
+
+There is no return values.
+# modbus_get_byte_from_bits
+
+## Name
+
+modbus_get_byte_from_bits - get the value from many bits
+
+## Synopsis
+
+```c
+uint8_t modbus_get_byte_from_bits(const uint8_t *src, int index, unsigned int nb_bits);
+```
+
+## Description
+
+The *modbus_get_byte_from_bits()* function shall extract a value from many
+bits. All `nb_bits` bits from `src` at position `index` will be read as a
+single value. To obtain a full byte, set nb_bits to 8.
+
+## Return value
+
+The function shall return a byte containing the bits read.
+
+## See also
+
+- [modbus_set_bits_from_byte](modbus_set_bits_from_byte)
+- [modbus_set_bits_from_bytes](modbus_set_bits_from_bytes)
+# modbus_get_byte_timeout
+
+## Name
+
+modbus_get_byte_timeout - get timeout between bytes
+
+## Synopsis
+
+```c
+int modbus_get_byte_timeout(modbus_t *ctx, uint32_t *to_sec, uint32_t *to_usec);
+```
+
+## Description
+
+The *modbus_get_byte_timeout()* function shall store the timeout interval
+between two consecutive bytes of the same message in the `to_sec` and `to_usec`
+arguments.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+## Example
+
+```c
+uint32_t to_sec;
+uint32_t to_usec;
+
+/* Save original timeout */
+modbus_get_byte_timeout(ctx, &to_sec, &to_usec);
+```
+
+## See also
+
+- [modbus_set_byte_timeout](modbus_set_byte_timeout)
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+# modbus_get_float
+
+## Name
+
+modbus_get_float - get a float value from 2 registers
+
+## Synopsis
+
+```c
+float modbus_get_float(const uint16_t *src);
+```
+
+Warning, this function is *deprecated* since libmodbus v3.2.0 and has been
+replaced by *modbus_get_float_dcba()*.
+
+## Description
+
+The *modbus_get_float()* function shall get a float from 4 bytes in Modbus
+format (DCBA byte order). The `src` array must be a pointer on two 16 bits
+values, for example, if the first word is set to 0x4465 and the second to
+0x229a, the float value will be 916.540649.
+
+## Return value
+
+The function shall return a float.
+
+## See also
+
+- [modbus_set_float](modbus_set_float)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+# modbus_get_float_abcd
+
+## Name
+
+modbus_get_float_abcd - get a float value from 2 registers in ABCD byte order
+
+## Synopsis
+
+```c
+float modbus_get_float_abcd(const uint16_t *src);
+```
+
+## Description
+
+The *modbus_get_float_abcd()* function shall get a float from 4 bytes in usual
+Modbus format. The `src` array must be a pointer on two 16 bits values, for
+example, if the first word is set to 0x0020 and the second to 0xF147, the float
+value will be read as 123456.0.
+
+## Return value
+
+The function shall return a float.
+
+## See also
+
+- [modbus_set_float_abcd](modbus_set_float_abcd)
+- [modbus_get_float_badc](modbus_get_float_badc)
+- [modbus_get_float_cdab](modbus_get_float_cdab)
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+# modbus_get_float_badc
+
+## Name
+
+modbus_get_float_badc - get a float value from 2 registers in BADC byte order
+
+## Synopsis
+
+```c
+float modbus_get_float_badc(const uint16_t *src);
+```
+
+## Description
+
+The *modbus_get_float_badc()* function shall get a float from 4 bytes with
+swapped bytes (BADC instead of ABCD). The `src` array must be a pointer on two
+16 bits values, for example, if the first word is set to 0x2000 and the second
+to 0x47F1, the float value will be read as 123456.0.
+
+## Return value
+
+The function shall return a float.
+
+## See also
+
+- [modbus_set_float_badc](modbus_set_float_badc)
+- [modbus_get_float_abcd](modbus_get_float_abcd)
+- [modbus_get_float_cdab](modbus_get_float_cdab)
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+# modbus_get_float_cdab
+
+## Name
+
+modbus_get_float_cdab - get a float value from 2 registers in CDAB byte order
+
+## Synopsis
+
+```c
+float modbus_get_float_cdab(const uint16_t *src);
+```
+
+## Description
+
+The *modbus_get_float_cdab()* function shall get a float from 4 bytes with
+swapped words (CDAB order instead of ABCD). The `src` array must be a pointer on
+two 16 bits values, for example, if the first word is set to F147 and the second
+to 0x0020, the float value will be read as 123456.0.
+
+## Return value
+
+The function shall return a float.
+
+## See also
+
+- [modbus_set_float_cdab](modbus_set_float_cdab)
+- [modbus_get_float_abcd](modbus_get_float_abcd)
+- [modbus_get_float_badc](modbus_get_float_badc)
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+# modbus_get_float_dcba
+
+## Name
+
+modbus_get_float_dcba - get a float value from 2 registers in DCBA byte order
+
+## Synopsis
+
+```c
+float modbus_get_float_dcba(const uint16_t *src);
+```
+
+## Description
+
+The *modbus_get_float_dcba()* function shall get a float from 4 bytes in
+inverted Modbus format (DCBA order instead of ABCD). The `src` array must be a
+pointer on two 16 bits values, for example, if the first word is set to 0x47F1
+and the second to 0x2000, the float value will be read as 123456.0.
+
+## Return value
+
+The function shall return a float.
+
+## See also
+
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+- [modbus_get_float_abcd](modbus_get_float_abcd)
+- [modbus_get_float_badc](modbus_get_float_badc)
+- [modbus_get_float_cdab](modbus_get_float_cdab)
+# modbus_get_header_length
+
+## Name
+
+modbus_get_header_length - retrieve the current header length
+
+## Synopsis
+
+```c
+int modbus_get_header_length(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_get_header_length()* function shall retrieve the current header
+length from the backend. This function is convenient to manipulate a message and
+so its limited to low-level operations.
+
+## Return value
+
+The header length as integer value.
+# modbus_get_indication_timeout
+
+## Name
+
+modbus_get_indication_timeout - get timeout used to wait for an indication (request received by a server).
+
+## Synopsis
+
+```c
+int modbus_get_indication_timeout(modbus_t *ctx, uint32_t *to_sec, uint32_t *to_usec);
+```
+
+## Description
+
+The *modbus_get_indication_timeout()* function shall store the timeout interval
+used to wait for an indication in the `to_sec` and `to_usec` arguments.
+Indication is the term used by the Modbus protocol to designate a request
+received by the server.
+
+The default value is zero, it means the server will wait forever.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+```c
+uint32_t to_sec;
+uint32_t to_usec;
+
+/* Save original timeout */
+modbus_get_indication_timeout(ctx, &to_sec, &to_usec);
+```
+
+## See also
+
+- [modbus_set_indication_timeout](modbus_set_indication_timeout)
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+# modbus_get_response_timeout
+
+## Name
+
+modbus_get_response_timeout - get timeout for response
+
+## Synopsis
+
+```c
+int modbus_get_response_timeout(modbus_t *ctx, uint32_t *to_sec, uint32_t *to_usec);
+```
+
+## Description
+
+The *modbus_get_response_timeout()* function shall return the timeout interval
+used to wait for a response in the `to_sec` and `to_usec` arguments.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+Example:
+
+```c
+uint32_t old_response_to_sec;
+uint32_t old_response_to_usec;
+
+/* Save original timeout */
+modbus_get_response_timeout(ctx, &old_response_to_sec, &old_response_to_usec);
+
+/* Define a new and too short timeout! */
+modbus_set_response_timeout(ctx, 0, 0);
+```
+
+## See also
+
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+- [modbus_get_byte_timeout](modbus_get_byte_timeout)
+- [modbus_set_byte_timeout](modbus_set_byte_timeout)
+# modbus_get_slave
+
+## Name
+
+modbus_get_slave - get slave number in the context
+
+## Synopsis
+
+```c
+int modbus_get_slave(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_get_slave()* function shall get the slave number in the libmodbus
+context.
+
+## Return value
+
+The function shall return the slave number if successful. Otherwise it shall
+return -1 and set errno to one of the values defined below.
+
+## Errors
+
+- *EINVAL*, the libmodbus context is undefined.
+
+## See also
+
+- [modbus_set_slave](modbus_set_slave)
+# modbus_get_socket
+
+## Name
+
+modbus_get_socket - get the current socket of the context
+
+## Synopsis
+
+```c
+int modbus_get_socket(modbus_t *'ctx');
+```
+
+## Description
+
+The *modbus_get_socket()* function shall return the current socket or file
+descriptor of the libmodbus context.
+
+## Return value
+
+The function returns the current socket or file descriptor of the context if
+successful. Otherwise it shall return -1 and set errno.
+
+## See also
+
+- [modbus_set_socket](modbus_set_socket)
+# modbus_mapping_free
+
+## Name
+
+modbus_mapping_free - free a modbus_mapping_t structure
+
+## Synopsis
+
+```c
+void modbus_mapping_free(modbus_mapping_t *mb_mapping);
+```
+
+## Description
+
+The function shall free the four arrays of mb_mapping_t structure and finally
+the mb_mapping_t referenced by `mb_mapping`.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_mapping_new](modbus_mapping_new)
+# modbus_mapping_new
+
+## Name
+
+modbus_mapping_new - allocate four arrays of bits and registers
+
+## Synopsis
+
+```c
+modbus_mapping_t* modbus_mapping_new(int nb_bits, int nb_input_bits, int nb_registers, int nb_input_registers);
+```
+
+## Description
+
+The *modbus_mapping_new()* function shall allocate four arrays to store bits,
+input bits, registers and inputs registers. The pointers are stored in
+modbus_mapping_t structure. All values of the arrays are initialized to zero.
+
+This function is equivalent to a call of the
+[modbus_mapping_new_start_address](modbus_mapping_new_start_address) function
+with all start addresses to `0`.
+
+If it isn't necessary to allocate an array for a specific type of data, you can
+pass the zero value in argument, the associated pointer will be NULL.
+
+This function is convenient to handle requests in a Modbus server/slave.
+
+## Return value
+
+The function shall return the new allocated structure if successful. Otherwise
+it shall return NULL and set errno.
+
+## Errors
+
+- *ENOMEM*, not enough memory.
+
+## Example
+
+```c
+/* The first value of each array is accessible from the 0 address. */
+mb_mapping = modbus_mapping_new(
+    BITS_ADDRESS + BITS_NB,
+    INPUT_BITS_ADDRESS + INPUT_BITS_NB,
+    REGISTERS_ADDRESS + REGISTERS_NB,
+    INPUT_REGISTERS_ADDRESS + INPUT_REGISTERS_NB
+);
+if (mb_mapping == NULL) {
+    fprintf(
+        stderr, "Failed to allocate the mapping: %s\n",
+        modbus_strerror(errno)
+    );
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_mapping_free](modbus_mapping_free)
+- [modbus_mapping_new_start_address](modbus_mapping_new_start_address)
+# modbus_mapping_new_start_address
+
+## Name
+
+modbus_mapping_new_start_address - allocate four arrays of bits and registers accessible from their starting addresses
+
+## Synopsis
+
+```c
+modbus_mapping_t* modbus_mapping_new_start_address(
+    int start_bits, int nb_bits,
+    int start_input_bits, int nb_input_bits,
+    int start_registers, int nb_registers,
+    int start_input_registers, int nb_input_registers);
+```
+
+## Description
+
+The `modbus_mapping_new_start_address()` function shall allocate four arrays to
+store bits, input bits, registers and inputs registers. The pointers are stored
+in modbus_mapping_t structure. All values of the arrays are initialized to zero.
+
+The different starting addresses make it possible to place the mapping at any
+address in each address space. This way, you can give access to the clients at
+values stored at high addresses without allocating memory from the address zero,
+for eg. to make available registers from 340 to 349, you can use:
+
+```c
+mb_mapping = modbus_mapping_new_start_address(0, 0, 0, 0, 340, 10, 0, 0);
+```
+
+The newly created `mb_mapping` will have the following arrays:
+
+- `tab_bits` set to NULL
+- `tab_input_bits` set to NULL
+- `tab_input_registers` allocated to store 10 registers (`uint16_t`)
+- `tab_registers` set to NULL.
+
+The clients can read the first register by using the address 340 in its request.
+On the server side, you should use the first index of the array to set the value
+at this client address:
+
+```c
+mb_mapping->tab_registers[0] = 42;
+```
+
+If it isn't necessary to allocate an array for a specific type of data, you can
+pass the zero value in argument, the associated pointer will be NULL.
+
+This function is convenient to handle requests in a Modbus server/slave.
+
+## Return value
+
+The `modbus_mapping_new_start_address()` function shall return the new allocated structure if
+successful. Otherwise it shall return NULL and set errno.
+
+## Errors
+
+- *ENOMEM*, not enough memory.
+
+## Example
+
+```c
+/* The first value of each array is accessible at the defined address.
+The end address is ADDRESS + NB - 1. */
+mb_mapping = modbus_mapping_new_start_address(
+    BITS_ADDRESS, BITS_NB,
+    INPUT_BITS_ADDRESS, INPUT_BITS_NB,
+    REGISTERS_ADDRESS, REGISTERS_NB,
+    INPUT_REGISTERS_ADDRESS, INPUT_REGISTERS_NB
+);
+if (mb_mapping == NULL) {
+    fprintf(
+        stderr, "Failed to allocate the mapping: %s\n",
+        modbus_strerror(errno)
+    );
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_mapping_new](modbus_mapping_new)
+- [modbus_mapping_free](modbus_mapping_free)
+# modbus_mask_write_register
+
+## Name
+
+modbus_mask_write_register - mask a single register
+
+## Synopsis
+
+```c
+int modbus_mask_write_register(modbus_t *ctx, int addr, uint16_t and, uint16_t or);
+```
+
+## Description
+
+The *modbus_mask_write_register()* function shall modify the value of the
+holding register at the address 'addr' of the remote device using the algorithm:
+
+  new value = (current value AND 'and') OR ('or' AND (NOT 'and'))
+
+The function uses the Modbus function code 0x16 (mask single register).
+
+## Return value
+
+The function shall return 1 if successful. Otherwise it shall return -1 and set
+errno.
+
+## See also
+
+- [modbus_read_registers](modbus_read_registers)
+- [modbus_write_registers](modbus_write_registers)
+# modbus_new_rtu
+
+## Name
+
+modbus_new_rtu - create a libmodbus context for RTU
+
+## Synopsis
+
+```c
+modbus_t *modbus_new_rtu(const char *device, int baud, char parity, int data_bit, int stop_bit);
+```
+
+## Description
+
+The *modbus_new_rtu()* function shall allocate and initialize a `modbus_t`
+structure to communicate in RTU mode on a serial line.
+
+The `device` argument specifies the name of the serial port handled by the OS,
+eg. "/dev/ttyS0" or "/dev/ttyUSB0". On Windows, it's necessary to prepend COM
+name with "\\.\" for COM number greater than 9, eg. "\\\\.\\COM10". See
+http://msdn.microsoft.com/en-us/library/aa365247(v=vs.85).aspx for details
+
+The `baud` argument specifies the baud rate of the communication, eg. 9600,
+19200, 57600, 115200, etc.
+
+The `parity` argument can have one of the following values:
+
+- `N` for none
+- `E` for even
+- `O` for odd
+
+The `data_bits` argument specifies the number of bits of data, the allowed
+values are 5, 6, 7 and 8.
+
+The `stop_bits` argument specifies the bits of stop, the allowed values are 1
+and 2.
+
+Once the `modbus_t` structure is initialized, you must set the slave of your
+device with [modbus_set_slave](modbus_set_slave) and connect to the serial bus with
+[modbus_connect](modbus_connect).
+
+## Return value
+
+The function shall return a pointer to a `modbus_t` structure if
+successful. Otherwise it shall return NULL and set errno to one of the values
+defined below.
+
+## Errors
+
+- *EINVAL*, an invalid argument was given.
+- *ENOMEM*, out of memory. Possibly, the application hits its memory limit
+    and/or whole system is running out of memory.
+
+## Example
+
+```c
+modbus_t *ctx;
+
+ctx = modbus_new_rtu("/dev/ttyUSB0", 115200, 'N', 8, 1);
+if (ctx == NULL) {
+    fprintf(stderr, "Unable to create the libmodbus context\n");
+    return -1;
+}
+
+modbus_set_slave(ctx, YOUR_DEVICE_ID);
+
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_new_tcp](modbus_new_tcp)
+- [modbus_free](modbus_free)
+# modbus_new_tcp
+
+## Name
+
+modbus_new_tcp - create a libmodbus context for TCP/IPv4
+
+## Synopsis
+
+```c
+modbus_t *modbus_new_tcp(const char *ip, int port);
+```
+
+## Description
+
+The *modbus_new_tcp()* function shall allocate and initialize a modbus_t
+structure to communicate with a Modbus TCP IPv4 server.
+
+The `ip` argument specifies the IP address of the server to which the client
+wants to establish a connection. A NULL value can be used to listen any addresses in
+server mode.
+
+The `port` argument is the TCP port to use. Set the port to
+`MODBUS_TCP_DEFAULT_PORT` to use the default one (502). It’s convenient to use a
+port number greater than or equal to 1024 because it’s not necessary to have
+administrator privileges.
+
+## Return value
+
+The function shall return a pointer to a *modbus_t* structure if
+successful. Otherwise it shall return NULL and set errno to one of the values
+defined below.
+
+## Errors
+
+- *EINVAL*, an invalid IP address was given.
+- *ENOMEM*, out of memory. Possibly, the application hits its memory limit
+  and/or whole system is running out of memory.
+
+## Example
+
+```c
+modbus_t *ctx;
+
+ctx = modbus_new_tcp("127.0.0.1", 1502);
+if (ctx == NULL) {
+    fprintf(stderr, "Unable to allocate libmodbus context\n");
+    return -1;
+}
+
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_tcp_listen](modbus_tcp_listen)
+- [modbus_free](modbus_free)
+# modbus_new_tcp_pi
+
+## Name
+
+modbus_new_tcp_pi - create a libmodbus context for TCP Protocol Independent
+
+## Synopsis
+
+```c
+*modbus_t *modbus_new_tcp_pi(const char *node, const char *service);
+```
+
+## Description
+
+The *modbus_new_tcp_pi()* function shall allocate and initialize a modbus_t
+structure to communicate with a Modbus TCP IPv4 or IPv6 server.
+
+The `node` argument specifies the host name or IP address of the host to connect
+to, eg. "192.168.0.5" , "::1" or "server.com". A NULL value can be used to
+listen any addresses in server mode.
+
+The `service` argument is the service name/port number to connect to. To use the
+default Modbus port, you can provide an NULL value or the string "502". On many
+Unix systems, it’s convenient to use a port number greater than or equal to 1024
+because it’s not necessary to have administrator privileges.
+
+:octicons-tag-24: v3.1.8 handles NULL value for `service` (no *EINVAL* error).
+
+## Return value
+
+The function shall return a pointer to a *modbus_t* structure if
+successful. Otherwise it shall return NULL and set errno to one of the values
+defined below.
+
+## Errors
+
+- *ENOMEM*, out of memory. Possibly, the application hits its memory limit
+  and/or whole system is running out of memory.
+
+## Example
+
+```c
+modbus_t *ctx;
+
+ctx = modbus_new_tcp_pi("::1", "1502");
+if (ctx == NULL) {
+    fprintf(stderr, "Unable to allocate libmodbus context\n");
+    return -1;
+}
+
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+```
+
+## See also
+
+- [modbus_new_tcp](modbus_new_tcp)
+- [modbus_tcp_pi_listen](modbus_tcp_pi_listen)
+- [modbus_free](modbus_free)
+# modbus_read_bits
+
+## Name
+
+modbus_read_bits - read many bits
+
+## Synopsis
+
+```c
+int modbus_read_bits(modbus_t *ctx, int addr, int nb, uint8_t *dest);
+```
+
+## Description
+
+The *modbus_read_bits()* function shall read the status of the `nb` bits (coils)
+to the address `addr` of the remote device. The result of reading is stored in
+`dest` array as unsigned bytes (8 bits) set to `TRUE` or `FALSE`.
+
+You must take care to allocate enough memory to store the results in `dest`
+(at least `nb` * sizeof(uint8_t)).
+
+The function uses the Modbus function code 0x01 (read coil status).
+
+## Return value
+
+The function shall return the number of read bits if successful. Otherwise it
+shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, too many bits requested
+
+## See also
+
+- [modbus_write_bit](modbus_write_bit)
+- [modbus_write_bits](modbus_write_bits)
+# modbus_read_input_bits
+
+## Name
+
+modbus_read_input_bits - read many input bits
+
+## Synopsis
+
+```c
+int modbus_read_input_bits(modbus_t *ctx, int addr, int nb, uint8_t *dest);
+```
+
+## Description
+
+The *modbus_read_input_bits()* function shall read the content of the `nb` input
+bits to the address `addr` of the remote device.  The result of reading is stored
+in `dest` array as unsigned bytes (8 bits) set to `TRUE` or `FALSE`.
+
+You must take care to allocate enough memory to store the results in `dest`
+(at least `nb` * sizeof(uint8_t)).
+
+The function uses the Modbus function code 0x02 (read input status).
+
+## Return value
+
+The function shall return the number of read input status if
+successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, too many discrete inputs requested
+
+## See also
+
+- [modbus_read_input_registers](modbus_read_input_registers)
+# modbus_read_input_registers
+
+## Name
+
+modbus_read_input_registers - read many input registers
+
+## Synopsis
+
+```c
+int modbus_read_input_registers(modbus_t *ctx, int addr, int nb, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_read_input_registers()* function shall read the content of the `nb`
+input registers to address `addr` of the remote device. The result of the
+reading is stored in `dest` array as word values (16 bits).
+
+You must take care to allocate enough memory to store the results in `dest` (at
+least `nb` * sizeof(uint16_t)).
+
+The function uses the Modbus function code 0x04 (read input registers). The
+holding registers and input registers have different historical meaning, but
+nowadays it's more common to use holding registers only.
+
+## Return value
+
+The function shall return the number of read input registers if
+successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, too many bits requested.
+
+## See also
+
+- [modbus_read_input_bits](modbus_read_input_bits)
+- [modbus_write_register](modbus_write_register)
+- [modbus_write_registers](modbus_write_registers)
+# modbus_read_registers
+
+## Name
+
+modbus_read_registers - read many registers
+
+## Synopsis
+
+```c
+int modbus_read_registers(modbus_t *ctx, int addr, int nb, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_read_registers()* function shall read the content of the `nb`
+holding registers to the address `addr` of the remote device. The result of
+reading is stored in `dest` array as word values (16 bits).
+
+You must take care to allocate enough memory to store the results in `dest`
+(at least `nb` * sizeof(uint16_t)).
+
+The function uses the Modbus function code 0x03 (read holding registers).
+
+## Return value
+
+The function shall return the number of read registers
+if successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, too many registers requested.
+
+## Example
+
+```c
+modbus_t *ctx;
+uint16_t tab_reg[64];
+int rc;
+int i;
+
+ctx = modbus_new_tcp("127.0.0.1", 1502);
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    modbus_free(ctx);
+    return -1;
+}
+
+rc = modbus_read_registers(ctx, 0, 10, tab_reg);
+if (rc == -1) {
+    fprintf(stderr, "%s\n", modbus_strerror(errno));
+    return -1;
+}
+
+for (i=0; i < rc; i++) {
+    printf("reg[%d]=%d (0x%X)\n", i, tab_reg[i], tab_reg[i]);
+}
+
+modbus_close(ctx);
+modbus_free(ctx);
+```
+
+## See also
+
+- [modbus_write_register](modbus_write_register)
+- [modbus_write_registers](modbus_write_registers)
+# modbus_receive
+
+## Name
+
+modbus_receive - receive an indication request
+
+## Synopsis
+
+```c
+int modbus_receive(modbus_t *'ctx', uint8_t *'req');
+```
+
+## Description
+
+The *modbus_receive()* function shall receive an indication request from the
+socket of the context `ctx`. This function is used by Modbus slave/server to
+receive and analyze indication request sent by the masters/clients.
+
+If you need to use another socket or file descriptor than the one defined in the
+context `ctx`, see the function [modbus_set_socket](modbus_set_socket).
+
+## Return value
+
+The function shall store the indication request in `req` and return the request
+length if successful. The returned request length can be zero if the indication
+request is ignored (eg. a query for another slave in RTU mode). Otherwise it
+shall return -1 and set errno.
+
+## See also
+
+- [modbus_set_socket](modbus_set_socket)
+- [modbus_reply](modbus_reply)
+# modbus_receive_confirmation
+
+## Name
+
+modbus_receive_confirmation - receive a confirmation request
+
+## Synopsis
+
+```c
+int modbus_receive_confirmation(modbus_t *ctx, uint8_t *rsp);
+```
+
+## Description
+
+The *modbus_receive_confirmation()* function shall receive a request via the
+socket of the context `ctx`. This function must be used for debugging purposes
+because the received response isn't checked against the initial request. This
+function can be used to receive request not handled by the library.
+
+The maximum size of the response depends on the used backend, in RTU the `rsp`
+array must be `MODBUS_RTU_MAX_ADU_LENGTH` bytes and in TCP it must be
+`MODBUS_TCP_MAX_ADU_LENGTH` bytes. If you want to write code compatible with
+both, you can use the constant `MODBUS_MAX_ADU_LENGTH` (maximum value of all
+libmodbus backends). Take care to allocate enough memory to store responses to
+avoid crashes of your server.
+
+## Return value
+
+The function shall store the confirmation request in `rsp` and return the
+response length if successful. The returned request length can be zero if the
+indication request is ignored (eg. a query for another slave in RTU
+mode). Otherwise it shall return -1 and set errno.
+
+## Example
+
+```c
+uint8_t rsp[MODBUS_MAX_ADU_LENGTH];
+rc = modbus_receive_confirmation(ctx, rsp);
+```
+
+## See also
+
+- [modbus_send_raw_request](modbus_send_raw_request)
+# modbus_reply
+
+## Name
+
+modbus_reply - send a response to the received request
+
+## Synopsis
+
+```c
+int modbus_reply(modbus_t *ctx, const uint8_t *req, int req_length, modbus_mapping_t *mb_mapping);
+```
+
+## Description
+
+The *modbus_reply()* function shall send a response to received request. The
+request `req` given in argument is analyzed, a response is then built and sent
+by using the information of the modbus context `ctx`.
+
+If the request indicates to read or write a value the operation will done in the
+modbus mapping `mb_mapping` according to the type of the manipulated data.
+
+If an error occurs, an exception response will be sent.
+
+This function is designed for Modbus server.
+
+## Return value
+
+The function shall return the length of the response sent if
+successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, sending has failed
+
+See also the errors returned by the syscall used to send the response (eg. send or write).
+
+## See also
+
+- [modbus_reply_exception](modbus_reply_exception)
+# modbus_reply_exception
+
+## Name
+
+modbus_reply_exception - send an exception response
+
+## Synopsis
+
+```c
+int modbus_reply_exception(modbus_t *ctx, const uint8_t *req, unsigned int exception_code);
+```
+
+## Description
+
+The *modbus_reply_exception()* function shall send an exception response based
+on the 'exception_code' in argument.
+
+The libmodbus provides the following exception codes:
+
+- MODBUS_EXCEPTION_ILLEGAL_FUNCTION (1)
+- MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS (2)
+- MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE (3)
+- MODBUS_EXCEPTION_SLAVE_OR_SERVER_FAILURE (4)
+- MODBUS_EXCEPTION_ACKNOWLEDGE (5)
+- MODBUS_EXCEPTION_SLAVE_OR_SERVER_BUSY (6)
+- MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE (7)
+- MODBUS_EXCEPTION_MEMORY_PARITY (8)
+- MODBUS_EXCEPTION_NOT_DEFINED (9)
+- MODBUS_EXCEPTION_GATEWAY_PATH (10)
+- MODBUS_EXCEPTION_GATEWAY_TARGET (11)
+
+The initial request `req` is required to build a valid response.
+
+## Return value
+
+The function shall return the length of the response sent if
+successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EINVAL*, the exception code is invalid
+
+## See also
+
+- [modbus_reply](modbus_reply)
+# modbus_report_slave_id
+
+## Name
+
+modbus_report_slave_id - returns a description of the controller
+
+## Synopsis
+
+```c
+int modbus_report_slave_id(modbus_t *ctx, int max_dest, uint8_t *dest);
+```
+
+## Description
+
+The *modbus_report_slave_id()* function shall send a request to the controller
+to obtain a description of the controller.
+
+The response stored in `dest` contains:
+
+- the slave ID, this unique ID is in reality not unique at all so it's not
+  possible to depend on it to know how the information are packed in the
+  response.
+- the run indicator status (0x00 = OFF, 0xFF = ON)
+- additional data specific to each controller. For example, libmodbus returns
+  the version of the library as a string.
+
+The function writes at most `max_dest` bytes from the response to `dest` so
+you must ensure that `dest` is large enough.
+
+## Return value
+
+The function shall return the number of read data if successful.
+
+If the output was truncated due to the `max_dest` limit then the return value is
+the number of bytes which would have been written to `dest` if enough space had
+been available. Thus, a return value greater than `max_dest` means that the
+response data was truncated.
+
+Otherwise it shall return -1 and set errno.
+
+## Example
+
+```c
+uint8_t tab_bytes[MODBUS_MAX_PDU_LENGTH];
+
+...
+
+rc = modbus_report_slave_id(ctx, MODBUS_MAX_PDU_LENGTH, tab_bytes);
+if (rc > 1) {
+    printf("Run Status Indicator: %s\n", tab_bytes[1] ? "ON" : "OFF");
+}
+```
+# modbus_rtu_get_rts
+
+## Name
+
+modbus_rtu_get_rts - get the current RTS mode in RTU
+
+## Synopsis
+
+```c
+int modbus_rtu_get_rts(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_rtu_get_rts()* function shall get the current Request To Send mode
+of the libmodbus context `ctx`. The possible returned values are:
+
+- `MODBUS_RTU_RTS_NONE`
+- `MODBUS_RTU_RTS_UP`
+- `MODBUS_RTU_RTS_DOWN`
+
+This function can only be used with a context using a RTU backend.
+
+## Return value
+
+The function shall return the current RTS mode if successful. Otherwise it shall
+return -1 and set errno.
+
+## Errors
+
+- *EINVAL*, the libmodbus backend is not RTU.
+
+## See also
+
+- [modbus_rtu_set_rts](modbus_rtu_set_rts)
+# modbus_rtu_get_rts_delay
+
+## Name
+
+modbus_rtu_get_rts_delay - get the current RTS delay in RTU
+
+## Synopsis
+
+```c
+int modbus_rtu_get_rts_delay(modbus_t *ctx);
+```
+
+## Description
+
+The `modbus_rtu_get_rts_delay()` function shall get the current Request To Send
+delay period of the libmodbus context 'ctx'.
+
+This function can only be used with a context using a RTU backend.
+
+## Return value
+
+The `modbus_rtu_get_rts_delay()` function shall return the current RTS delay in
+microseconds if successful. Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EINVAL*, the libmodbus backend is not RTU.
+
+## See also
+
+- [modbus_rtu_set_rts_delay](modbus_rtu_set_rts_delay)
+# modbus_rtu_get_serial_mode
+
+## Name
+
+modbus_rtu_get_serial_mode - get the current serial mode
+
+## Synopsis
+
+```c
+int modbus_rtu_get_serial_mode(modbus_t *ctx);
+```
+
+## Description
+
+The *modbus_rtu_get_serial_mode()* function shall return the serial mode
+currently used by the libmodbus context:
+
+- **MODBUS_RTU_RS232**, the serial line is set for RS232 communication. RS-232
+  (Recommended Standard 232) is the traditional name for a series of standards
+  for serial binary single-ended data and control signals connecting between a
+  DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating Equipment).
+  It is commonly used in computer serial ports
+
+- **MODBUS_RTU_RS485**, the serial line is set for RS485 communication. EIA-485,
+  also known as TIA/EIA-485 or RS-485, is a standard defining the electrical
+  characteristics of drivers and receivers for use in balanced digital
+  multipoint systems. This standard is widely used for communications in
+  industrial automation because it can be used effectively over long distances
+  and in electrically noisy environments. This function is only available on
+  Linux kernels 2.6.28 onwards and can only be used with a context using a RTU
+  backend.
+
+## Return value
+
+The function shall return `MODBUS_RTU_RS232` or `MODBUS_RTU_RS485` if
+successful. Otherwise it shall return -1 and set errno to one of the values
+defined below.
+
+## Errors
+
+- *EINVAL*, the current libmodbus backend is not RTU.
+# modbus_rtu_set_custom_rts
+
+## Name
+
+modbus_rtu_set_custom_rts - set a function to be used for custom RTS implementation
+
+## Synopsis
+
+```c
+int modbus_rtu_set_custom_rts(modbus_t *ctx, void (*set_rts) (modbus_t *ctx, int on))
+```
+
+## Description
+
+The `modbus_rtu_set_custom_rts()` function shall set a custom function to be
+called when the RTS pin is to be set before and after a transmission. By default
+this is set to an internal function that toggles the RTS pin using an ioctl
+call.
+
+Note that this function adheres to the RTS mode, the values `MODBUS_RTU_RTS_UP` or
+`MODBUS_RTU_RTS_DOWN` must be used for the function to be called.
+
+This function can only be used with a context using a RTU backend.
+
+## Return value
+
+The `modbus_rtu_set_custom_rts()` function shall return 0 if successful.
+Otherwise it shall return -1 and set errno to one of the values defined below.
+
+## Errors
+
+- *EINVAL*, the libmodbus backend is not RTU.
-modbus_rtu_set_rts(3)
-=====================
+# modbus_rtu_set_rts
  
+## Name
  
-NAME
-----
 modbus_rtu_set_rts - set the RTS mode in RTU
  
+## Synopsis
  
-SYNOPSIS
---------
-*int modbus_rtu_set_rts(modbus_t *'ctx', int 'mode')*
+```c
+int modbus_rtu_set_rts(modbus_t *ctx, int mode)
+```
  
+## Description
  
-DESCRIPTION
------------
 The *modbus_rtu_set_rts()* function shall set the Request To Send mode to
 communicate on a RS485 serial bus. By default, the mode is set to
 `MODBUS_RTU_RTS_NONE` and no signal is issued before writing data on the wire.
@@ -28,24 +26,20 @@ RTS flag.
  
 This function can only be used with a context using a RTU backend.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return 0 if successful. Otherwise it shall return -1 and set
 errno to one of the values defined below.
  
+## Errors
  
-ERRORS
-------
-*EINVAL*::
-The libmodbus backend isn't RTU or the mode given in argument is invalid.
+- *EINVAL*, the libmodbus backend isn't RTU or the mode given in argument is invalid.
  
+## Example
  
-EXAMPLE
--------
-.Enable the RTS mode with positive polarity
-[source,c]
--------------------
+Enable the RTS mode with positive polarity:
+
+```c
 modbus_t *ctx;
 uint16_t tab_reg[10];
  
@@ -68,14 +62,8 @@ if (rc == -1) {
  
 modbus_close(ctx);
 modbus_free(ctx);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_rtu_get_rts[3]
+```
  
+## See also
  
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+- [modbus_rtu_get_rts](modbus_rtu_get_rts)
+# modbus_rtu_set_rts_delay
+
+## Name
+
+modbus_rtu_set_rts_delay - set the RTS delay in RTU
+
+## Synopsis
+
+```c
+int modbus_rtu_set_rts_delay(modbus_t *ctx, int us);
+```
+
+## Description
+
+The `modbus_rtu_set_rts_delay()` function shall set the Request To Send delay
+period of the libmodbus context 'ctx'.
+
+This function can only be used with a context using a RTU backend.
+
+## Return value
+
+The `modbus_rtu_set_rts_delay()` function shall return 0 if successful.
+Otherwise it shall return -1 and set errno.
+
+## Errors
+
+- *EINVAL*, the libmodbus backend is not RTU or a negative delay was specified.
+
+## See also
+
+- [modbus_rtu_get_rts_delay](modbus_rtu_get_rts_delay)
+# modbus_rtu_set_serial_mode
+
+## Name
+
+modbus_rtu_set_serial_mode - set the serial mode
+
+## Synopsis
+
+```c
+int modbus_rtu_set_serial_mode(modbus_t *ctx, int mode);
+```
+
+## Description
+
+The *modbus_rtu_set_serial_mode()* function shall set the selected serial
+mode:
+
+- **MODBUS_RTU_RS232**, the serial line is set for RS232 communication. RS-232
+  (Recommended Standard 232) is the traditional name for a series of standards
+  for serial binary single-ended data and control signals connecting between a
+  DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating Equipment).
+  It is commonly used in computer serial ports.
+
+- **MODBUS_RTU_RS485**, the serial line is set for RS485 communication.
+EIA-485, also known as TIA/EIA-485 or RS-485, is a standard defining the
+electrical characteristics of drivers and receivers for use in balanced
+digital multipoint systems. This standard is widely used for communications
+in industrial automation because it can be used effectively over long
+distances and in electrically noisy environments.
+
+This function is only supported on Linux kernels 2.6.28 onwards.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno to one of the values defined below.
+
+## Errors
+
+- *EINVAL*, the current libmodbus backend is not RTU.
+- *ENOTSUP*, the function is not supported on your platform.
+
+If the call to `ioctl()` fails, the error code of ioctl will be returned.
-modbus_send_raw_request(3)
-==========================
+# modbus_send_raw_request
  
+## Name
  
-NAME
-----
 modbus_send_raw_request - send a raw request
  
+## Synopsis
  
-SYNOPSIS
---------
-*int modbus_send_raw_request(modbus_t *'ctx', const uint8_t *'raw_req', int 'raw_req_length');*
+```c
+int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length);
+```
  
+## Description
  
-DESCRIPTION
------------
 The *modbus_send_raw_request()* function shall send a request via the socket of
-the context _ctx_. This function must be used for debugging purposes because you
+the context `ctx`. This function must be used for debugging purposes because you
 have to take care to make a valid request by hand. The function only adds to the
-message, the header or CRC of the selected backend, so _raw_req_ must start and
+message, the header or CRC of the selected backend, so `raw_req` must start and
 contain at least a slave/unit identifier and a function code. This function can
 be used to send request not handled by the library.
  
@@ -25,18 +23,15 @@ The public header of libmodbus provides a list of supported Modbus functions
 codes, prefixed by `MODBUS_FC_` (eg. `MODBUS_FC_READ_HOLDING_REGISTERS`), to help
 build of raw requests.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return the full message length, counting the extra data
 relating to the backend, if successful. Otherwise it shall return -1 and set
 errno.
  
+## Example
  
-EXAMPLE
--------
-[source,c]
--------------------
+```c
 modbus_t *ctx;
 /* Read 5 holding registers from address 1 */
 uint8_t raw_req[] = { 0xFF, MODBUS_FC_READ_HOLDING_REGISTERS, 0x00, 0x01, 0x0, 0x05 };
@@ -55,14 +50,8 @@ modbus_receive_confirmation(ctx, rsp);
  
 modbus_close(ctx);
 modbus_free(ctx);
--------------------
+```
  
-SEE ALSO
---------
-linkmb:modbus_receive_confirmation[3]
+## See also
  
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+- [modbus_receive_confirmation](modbus_receive_confirmation)
+# modbus_set_bits_from_byte
+
+## Name
+
+modbus_set_bits_from_byte - set many bits from a single byte value
+
+
+## Synopsis
+
+```c
+void modbus_set_bits_from_byte(uint8_t *dest, int index, const uint8_t value);
+```
+
+## Description
+
+The *modbus_set_bits_from_byte()* function shall set many bits from a single
+byte. All 8 bits from the byte `value` will be written to `dest` array starting
+at `index` position.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_set_bits_from_byte](modbus_set_bits_from_byte)
+- [modbus_set_bits_from_bytes](modbus_set_bits_from_bytes)
+# modbus_set_bits_from_bytes
+
+## Name
+
+modbus_set_bits_from_bytes - set many bits from an array of bytes
+
+## Synopsis
+
+```c
+void modbus_set_bits_from_bytes(uint8_t *dest, int index, unsigned int nb_bits, const uint8_t *tab_byte);
+```
+
+## Description
+
+The *modbus_set_bits_from_bytes* function shall set bits by reading an array of
+bytes. All the bits of the bytes read from the first position of the array
+`tab_byte` are written as bits in the `dest` array starting at position `index`.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_set_bits_from_byte](modbus_set_bits_from_byte)
+- [modbus_get_byte_from_bits](modbus_get_byte_from_bits)
+# modbus_set_byte_timeout
+
+## Name
+
+modbus_set_byte_timeout - set timeout between bytes
+
+## Synopsis
+
+```c
+void modbus_set_byte_timeout(modbus_t *ctx, uint32_t to_sec, uint32_t to_usec);
+```
+
+## Description
+
+The *modbus_set_byte_timeout()* function shall set the timeout interval between
+two consecutive bytes of the same message. The timeout is an upper bound on the
+amount of time elapsed before *select()* returns, if the time elapsed is longer
+than the defined timeout, an `ETIMEDOUT` error will be raised by the
+function waiting for a response.
+
+The value of `to_usec` argument must be in the range 0 to 999999.
+
+If both `to_sec` and `to_usec` are zero, this timeout will not be used at all.
+In this case, *modbus_set_response_timeout()* governs the entire handling of the
+response, the full confirmation response must be received before expiration of
+the response timeout. When a byte timeout is set, the response timeout is only
+used to wait for until the first byte of the response.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+## Errors
+
+- *EINVAL*, The argument `ctx` is NULL or `to_usec` is larger than 999999.
+
+## See also
+
+- [modbus_get_byte_timeout](modbus_get_byte_timeout)
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+w
+# modbus_set_debug
+
+## Name
+
+modbus_set_debug - set debug flag of the context
+
+## Synopsis
+
+```c
+int modbus_set_debug(modbus_t *ctx, int flag);
+```
+
+## Description
+
+The *modbus_set_debug()* function shall set the debug flag of the *modbus_t*
+context by using the argument `flag`. By default, the boolean flag is set to
+`FALSE`. When the `flag` value is set to `TRUE`, many verbose messages are
+displayed on stdout and stderr. For example, this flag is useful to display the
+bytes of the Modbus messages.
+
+```text
+[00][14][00][00][00][06][12][03][00][6B][00][03]
+Waiting for a confirmation...
+<00><14><00><00><00><09><12><03><06><02><2B><00><00><00><00>
+```
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set errno.
-modbus_set_error_recovery(3)
-============================
+# modbus_set_error_recovery
  
+## Name
  
-NAME
-----
 modbus_set_error_recovery - set the error recovery mode
  
+## Synopsis
  
-SYNOPSIS
---------
-*int modbus_set_error_recovery(modbus_t *'ctx', modbus_error_recovery_mode 'error_recovery');*
+```c
+int modbus_set_error_recovery(modbus_t *ctx, modbus_error_recovery_mode error_recovery);
+```
  
+## Description
  
-DESCRIPTION
------------
 The *modbus_set_error_recovery()* function shall set the error recovery mode to
 apply when the connection fails or the byte received is not expected. The
-argument _error_recovery_ may be bitwise-or'ed with zero or more of the
+argument `error_recovery` may be bitwise-or'ed with zero or more of the
 following constants.
  
 By default there is no error recovery (`MODBUS_ERROR_RECOVERY_NONE`) so the
@@ -42,29 +40,20 @@ The modes are mask values and so they are complementary.
  
 It's not recommended to enable error recovery for slave/server.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return 0 if successful. Otherwise it shall return -1 and set
 errno to one of the values defined below.
  
+## Errors
  
-ERRORS
-------
-*EINVAL*::
-The value of the argument _error_recovery_ is not positive.
+- *EINVAL*, the value of the argument `error_recovery` is not positive.
  
+## Example
  
-EXAMPLE
--------
-[source,c]
--------------------
-modbus_set_error_recovery(ctx,
-                          MODBUS_ERROR_RECOVERY_LINK |
-                          MODBUS_ERROR_RECOVERY_PROTOCOL);
--------------------
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+```c
+modbus_set_error_recovery(
+    ctx,
+    MODBUS_ERROR_RECOVERY_LINK | MODBUS_ERROR_RECOVERY_PROTOCOL
+);
+```
+# modbus_set_float
+
+## Name
+
+modbus_set_float - set a float value from 2 registers
+
+## Synopsis
+
+```c
+void modbus_set_float(float f, uint16_t *dest);
+```
+
+Warning, this function is *deprecated* since libmodbus v3.2.0 and has been
+replaced by *modbus_set_float_dcba()*.
+
+## Description
+
+The *modbus_set_float()* function shall set a float to 4 bytes in Modbus format
+(ABCD). The `dest` array must be pointer on two 16 bits values to be able to
+store the full result of the conversion.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_get_float](modbus_get_float)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+# modbus_set_float_abcd
+
+## Name
+
+modbus_set_float_abcd - set a float value in 2 registers using ABCD byte order
+
+## Synopsis
+
+```c
+void modbus_set_float_abcd(float f, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_set_float_abcd()* function shall set a float to 4 bytes in usual
+Modbus format. The `dest` array must be pointer on two 16 bits values to be able
+to store the full result of the conversion.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_get_float_abcd](modbus_get_float_abcd)
+- [modbus_set_float_badc](modbus_set_float_badc)
+- [modbus_set_float_cdab](modbus_set_float_cdab)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+# modbus_set_float_badc
+
+## Name
+
+modbus_set_float_badc - set a float value in 2 registers using BADC byte order
+
+## Synopsis
+
+```c
+void modbus_set_float_badc(float f, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_set_float_badc()* function shall set a float to 4 bytes in swapped
+bytes Modbus format (BADC instead of ABCD). The `dest` array must be pointer on
+two 16 bits values to be able to store the full result of the conversion.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_get_float_badc](modbus_get_float_badc)
+- [modbus_set_float_abcd](modbus_set_float_abcd)
+- [modbus_set_float_cdab](modbus_set_float_cdab)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+# modbus_set_float_cdab
+
+## Name
+
+modbus_set_float_cdab - set a float value in 2 registers using CDAB byte order
+
+## Synopsis
+
+```c
+void modbus_set_float_cdab(float f, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_set_float_cdab()* function shall set a float to 4 bytes in swapped
+words Modbus format (CDAB order instead of ABCD). The `dest` array must be
+pointer on two 16 bits values to be able to store the full result of the
+conversion.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_get_float_cdab](modbus_get_float_cdab)
+- [modbus_set_float_abcd](modbus_set_float_abcd)
+- [modbus_set_float_badc](modbus_set_float_badc)
+- [modbus_set_float_dcba](modbus_set_float_dcba)
+# modbus_set_float_dcba
+
+## Name
+
+modbus_set_float_dcba - set a float value in 2 registers using DCBA byte order
+
+## Synopsis
+
+```c
+void modbus_set_float_dcba(float f, uint16_t *dest);
+```
+
+## Description
+
+The *modbus_set_float_dcba()* function shall set a float to 4 bytes in inverted
+Modbus format (DCBA order). The `dest` array must be pointer on two 16 bits
+values to be able to store the full result of the conversion.
+
+## Return value
+
+There is no return values.
+
+## See also
+
+- [modbus_get_float_dcba](modbus_get_float_dcba)
+- [modbus_set_float](modbus_set_float)
+- [modbus_get_float](modbus_get_float)
+# modbus_set_indication_timeout
+
+## Name
+
+modbus_set_indication_timeout - set timeout between indications
+
+## Synopsis
+
+```c
+void modbus_set_indication_timeout(modbus_t *ctx, uint32_t to_sec, uint32_t to_usec);
+```
+
+## Description
+
+The *modbus_set_indication_timeout()* function shall set the timeout interval used by
+a server to wait for a request from a client.
+
+The value of `to_usec` argument must be in the range 0 to 999999.
+
+If both `to_sec` and `to_usec` are zero, this timeout will not be used at all.
+In this case, the server will wait forever.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+## Errors
+
+- *EINVAL*, the argument `ctx` is NULL or `to_usec` is larger than 1000000.
+
+## See also
+
+- [modbus_get_indication_timeout](modbus_get_indication_timeout)
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_set_response_timeout](modbus_set_response_timeout)
+# modbus_set_response_timeout
+
+## Name
+
+modbus_set_response_timeout - set timeout for response
+
+## Synopsis
+
+```c
+int modbus_set_response_timeout(modbus_t *ctx, uint32_t to_sec, uint32_t to_usec);
+```
+
+## Description
+
+The *modbus_set_response_timeout()* function shall set the timeout interval used
+to wait for a response. When a byte timeout is set, if elapsed time for the
+first byte of response is longer than the given timeout, an `ETIMEDOUT` error
+will be raised by the function waiting for a response. When byte timeout is
+disabled, the full confirmation response must be received before expiration of
+the response timeout.
+
+The value of `to_usec` argument must be in the range 0 to 999999.
+
+## Return value
+
+The function shall return 0 if successful. Otherwise it shall return -1 and set
+errno.
+
+## Errors
+
+- *EINVAL*, the argument `ctx` is NULL, or both `to_sec` and `to_usec` are zero,
+  or `to_usec` is larger than 999999.
+
+## Example
+
+```c
+uint32_t old_response_to_sec;
+uint32_t old_response_to_usec;
+
+/* Save original timeout */
+modbus_get_response_timeout(ctx, &old_response_to_sec, &old_response_to_usec);
+
+/* Define a new timeout of 200ms */
+modbus_set_response_timeout(ctx, 0, 200000);
+```
+
+## See also
+
+- [modbus_get_response_timeout](modbus_get_response_timeout)
+- [modbus_get_byte_timeout](modbus_get_byte_timeout)
+- [modbus_set_byte_timeout](modbus_set_byte_timeout)
-modbus_set_slave(3)
-===================
+# modbus_set_slave
  
+## Name
  
-NAME
-----
 modbus_set_slave - set slave number in the context
  
+## Synopsis
  
-SYNOPSIS
---------
-*int modbus_set_slave(modbus_t *'ctx', int 'slave');*
+```c
+int modbus_set_slave(modbus_t *ctx, int slave);
+```
  
+## Description
  
-DESCRIPTION
------------
 The *modbus_set_slave()* function shall set the slave number in the libmodbus
 context.
  
@@ -35,23 +33,18 @@ remote device or software drops the requests! The special value
 The broadcast address is `MODBUS_BROADCAST_ADDRESS`. This special value must be
 use when you want all Modbus devices of the network receive the request.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return 0 if successful. Otherwise it shall return -1 and set
 errno to one of the values defined below.
  
+## Errors
  
-ERRORS
-------
-*EINVAL*::
-The slave number is invalid.
+- *EINVAL*, the slave number is invalid.
  
+## Example
  
-EXAMPLE
--------
-[source,c]
--------------------
+```c
 modbus_t *ctx;
  
 ctx = modbus_new_rtu("/dev/ttyUSB0", 115200, 'N', 8, 1);
@@ -72,13 +65,8 @@ if (modbus_connect(ctx) == -1) {
     modbus_free(ctx);
     return -1;
 }
--------------------
+```
  
-SEE ALSO
---------
-linkmb:modbus_get_slave[3]
+## See also
  
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+- [modbus_get_slave](modbus_get_slave)
-modbus_set_socket(3)
-====================
+# modbus_set_socket
  
+## Name
  
-NAME
-----
 modbus_set_socket - set socket of the context
  
+## Synopsis
  
-SYNOPSIS
---------
-*int modbus_set_socket(modbus_t *'ctx', int 's');*
+```c
+int modbus_set_socket(modbus_t *ctx, int s);
+```
  
+## Description
  
-DESCRIPTION
------------
 The *modbus_set_socket()* function shall set the socket or file descriptor in
 the libmodbus context. This function is useful for managing multiple client
 connections to the same server.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return 0 if successful. Otherwise it shall return -1 and set errno.
  
+## Example
  
-EXAMPLE
--------
-[source,c]
--------------------
+```c
 ctx = modbus_new_tcp("127.0.0.1", 1502);
 server_socket = modbus_tcp_listen(ctx, NB_CONNECTION);
  
@@ -43,14 +38,8 @@ if (FD_ISSET(master_socket, &amp;rdset)) {
         modbus_reply(ctx, query, rc, mb_mapping);
     }
 }
--------------------
+```
  
-SEE ALSO
---------
-linkmb:modbus_get_socket[3]
+## See also
  
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+- [modbus_get_socket](modbus_get_socket)
+# modbus_strerror
+
+## Name
+
+modbus_strerror - return the error message
+
+## Synopsis
+
+```c
+const char *modbus_strerror(int errnum);
+```
+
+## Description
+
+The *modbus_strerror()* function shall return a pointer to an error message
+string corresponding to the error number specified by the `errnum` argument.  As
+libmodbus defines additional error numbers over and above those defined by the
+operating system, applications should use *modbus_strerror()* in preference to
+the standard *strerror()* function.
+
+## Return value
+
+The *modbus_strerror()* function shall return a pointer to an error message
+string.
+
+## Errors
+
+No errors are defined.
+
+## Example
+
+Display an error message when a Modbus connection cannot be established
+
+```c
+if (modbus_connect(ctx) == -1) {
+    fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
+    abort();
+}
+```
+# modbus_tcp_accept
+
+## Name
+
+modbus_tcp_accept - accept a new connection on a TCP Modbus socket (IPv4)
+
+## Synopsis
+
+```c
+int modbus_tcp_accept(modbus_t *ctx, int *s);
+```
+
+## Description
+
+The *modbus_tcp_accept()* function shall extract the first connection on the
+queue of pending connections, create a new socket and store it in libmodbus
+context given in argument. If available, `accept4()` with `SOCK_CLOEXEC` will be
+called instead of `accept()`.
+
+## Return value
+
+The function shall return a new socket if successful.
+Otherwise it shall return -1 and set errno.
+
+## Example
+
+For detailed example, see unit-test-server.c source file in tests directory.
+
+```c
+...
+
+ctx = modbus_new_tcp("127.0.0.1", 502);
+s = modbus_tcp_listen(ctx, 1);
+modbus_tcp_accept(ctx, &s);
+
+...
+
+close(s)
+modbus_free(ctx);
+```
+
+## See also
+
+- [modbus_tcp_pi_accept](modbus_tcp_pi_accept)
+- [modbus_tcp_listen](modbus_tcp_listen)
+- [modbus_tcp_pi_listen](modbus_tcp_pi_listen)
-modbus_tcp_listen(3)
-====================
+# modbus_tcp_listen
  
+## Name
  
-NAME
-----
 modbus_tcp_listen - create and listen a TCP Modbus socket (IPv4)
  
  
-SYNOPSIS
---------
-*int modbus_tcp_listen(modbus_t *'ctx', int 'nb_connection');*
+## Synopsis
  
+```c
+int modbus_tcp_listen(modbus_t *ctx, int nb_connection);
+```
+
+## Description
  
-DESCRIPTION
------------
 The *modbus_tcp_listen()* function shall create a socket and listen to maximum
-_nb_connection_ incoming connections on the specified IP address.  The context
-_ctx _must be allocated and initialized with linkmb:modbus_new_tcp[3] before to
+`nb_connection` incoming connections on the specified IP address.  The context
+`ctx` must be allocated and initialized with [modbus_new_tcp](modbus_new_tcp) before to
 set the IP address to listen, if IP address is set to NULL or '0.0.0.0', any addresses will be
 listen.
  
+## Return value
  
-RETURN VALUE
-------------
 The function shall return a new socket if successful. Otherwise it shall return
 -1 and set errno.
  
+## Example
  
-EXAMPLE
--------
 For detailed examples, see source files in tests directory:
  
 - unit-test-server.c, simple but handle only one connection
 - bandwidth-server-many-up.c, handles several connections at once
  
-
-[source,c]
--------------------
+```c
 ...
  
 /* To listen any addresses on port 502 */
@@ -58,15 +53,10 @@ if (select(server_socket + 1, &amp;refset, NULL, NULL, NULL) == -1) {
  
 close(server_socket);
 modbus_free(ctx);
--------------------
-
-SEE ALSO
---------
-linkmb:modbus_new_tcp[3]
-linkmb:modbus_tcp_accept[3]
-linkmb:modbus_tcp_pi_listen[3]
-
-AUTHORS
--------
-The libmodbus documentation was written by Stéphane Raimbault
-<stephane.raimbault@gmail.com>
+```
+
+## See also
+
+- [modbus_new_tcp](modbus_new_tcp)
+- [modbus_tcp_accept](modbus_tcp_accept)
+- [modbus_tcp_pi_listen](modbus_tcp_pi_listen)
+# modbus_tcp_pi_accept
+
+## Name
+
+modbus_tcp_pi_accept - accept a new connection on a TCP PI Modbus socket (IPv6)
+
+## Synopsis
+
+```c
+int modbus_tcp_pi_accept(modbus_t *ctx, int *s);
+```
+
+## Description
+
+The *modbus_tcp_pi_accept()* function shall extract the first connection on the
+queue of pending connections, create a new socket and store it in libmodbus
+context given in argument. If available, `accept4()` with `SOCK_CLOEXEC` will be
+called instead of `accept()`.
+
+## Return value
+
+The function shall return a new socket if successful.
+Otherwise it shall return -1 and set errno.
+
+## Example
+
+For detailed example, see unit-test-server.c source file in tests directory.
+
+```c
+...
+
+ctx = modbus_new_tcp_pi("::0", 502);
+s = modbus_tcp_pi_listen(ctx, 1);
+modbus_tcp_pi_accept(ctx, &s);
+
+...
+
+close(s)
+modbus_free(ctx);
+```
+
+## See also
+
+- [modbus_tcp_pi_accept](modbus_tcp_pi_accept)
+- [modbus_tcp_listen](modbus_tcp_listen)
+- [modbus_tcp_pi_listen](modbus_tcp_pi_listen)
+# modbus_tcp_pi_listen
+
+## Name
+
+modbus_tcp_pi_listen - create and listen a TCP PI Modbus socket (IPv6)
+
+## Synopsis
+
+```c
+int modbus_tcp_pi_listen(modbus_t *ctx, int nb_connection);
+```
+
+## Description
+
+The *modbus_tcp_pi_listen()* function shall create a socket and listen to
+maximum `nb_connection` incoming connections on the specified nodes.  The
+context *ctx* must be allocated and initialized with [modbus_new_tcp_pi](modbus_new_tcp_pi)
+before to set the node to listen, if node is set to NULL or '0.0.0.0', any addresses will be
+listen.
+
+## Return value
+
+The function shall return a new socket if successful. Otherwise it shall return
+-1 and set errno.
+
+## Example
+
+For detailed examples, see source files in tests directory:
+
+- unit-test-server.c, simple but handle only one connection
+
+```c
+...
+
+ctx = modbus_new_tcp_pi("::0", "502");
+s = modbus_tcp_pi_listen(ctx, 1);
+modbus_tcp_pi_accept(ctx, &s);
+
+for (;;) {
+    rc = modbus_receive(ctx, query);
+    modbus_replay(ctx, query, rc, mb_mapping);
+}
+...
+
+modbus_close(s);
+modbus_free(ctx);
+```
+
+- bandwidth-server-many-up.c, handles several connections at once
+
+## See also
+
+- [modbus_new_tcp_pi](modbus_new_tcp_pi)
+- [modbus_tcp_pi_accept](modbus_tcp_pi_accept)
+- [modbus_tcp_listen](modbus_tcp_listen)
+# modbus_write_and_read_registers
+
+## Name
+
+modbus_write_and_read_registers - write and read many registers in a single transaction
+
+## Synopsis
+
+```c
+int modbus_write_and_read_registers(
+    modbus_t *ctx,
+    int write_addr, int write_nb, const uint16_t *src,
+    int read_addr, int read_nb, const uint16_t *dest
+);
+```
+
+## Description
+
+The *modbus_write_and_read_registers()* function shall write the content of the
+`write_nb` holding registers from the array 'src' to the address `write_addr` of
+the remote device then shall read the content of the `read_nb` holding registers
+to the address `read_addr` of the remote device. The result of reading is stored
+in `dest` array as word values (16 bits).
+
+You must take care to allocate enough memory to store the results in `dest`
+(at least `nb` * sizeof(uint16_t)).
+
+The function uses the Modbus function code 0x17 (write/read registers).
+
+## Return value
+
+The function shall return the number of read registers if successful. Otherwise
+it shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, too many registers requested, Too many registers to write
+
+## See also
+
+- [modbus_read_registers](modbus_read_registers)
+- [modbus_write_register](modbus_write_register)
+- [modbus_write_registers](modbus_write_registers)
+# modbus_write_bit
+
+## Name
+
+modbus_write_bit - write a single bit
+
+## Synopsis
+
+```c
+int modbus_write_bit(modbus_t *ctx, int addr, int status);
+```
+
+## Description
+
+The *modbus_write_bit()* function shall write the status of `status` at the
+address `addr` of the remote device. The value must be set to `TRUE` or `FALSE`.
+
+The function uses the Modbus function code 0x05 (force single coil).
+
+## Return value
+
+The function shall return 1 if successful. Otherwise it shall return -1 and set
+errno.
+
+## See also
+
+- [modbus_read_bits](modbus_read_bits)
+- [modbus_write_bits](modbus_write_bits)
+# modbus_write_bits
+
+## Name
+
+modbus_write_bits - write many bits
+
+## Synopsis
+
+```c
+int modbus_write_bits(modbus_t *ctx, int addr, int nb, const uint8_t *src);
+```
+
+## Description
+
+The *modbus_write_bits()* function shall write the status of the `nb` bits
+(coils) from `src` at the address `addr` of the remote device. The
+`src` array must contains bytes set to `TRUE` or `FALSE`.
+
+The function uses the Modbus function code 0x0F (force multiple coils).
+
+## Return value
+
+The function shall return the number of written bits if successful. Otherwise it
+shall return -1 and set errno.
+
+## Errors
+
+- *EMBMDATA*, writing too many bits.
+
+## See also
+
+- [modbus_read_bits](modbus_read_bits)
+- [modbus_write_bit](modbus_write_bit)
+# modbus_write_register
+
+## Name
+
+modbus_write_register - write a single register
+
+## Synopsis
+
+```c
+int modbus_write_register(modbus_t *ctx, int addr, const uint16_t value);
+```
+
+## Description
+
+The *modbus_write_register()* function shall write the value of `value`
+holding registers at the address `addr` of the remote device.
+
+The function uses the Modbus function code 0x06 (preset single register).
+
+## Return value
+
+The function shall return 1 if successful. Otherwise it shall return -1 and set
+errno.
+
+## See also
+
+- [modbus_read_registers](modbus_read_registers)
+- [modbus_write_registers](modbus_write_registers)
+# modbus_write_registers
+
+## Name
+
+modbus_write_registers - write many registers
+
+## Synopsis
+
+```c
+int modbus_write_registers(modbus_t *ctx, int addr, int nb, const uint16_t *src);
+```
+
+## Description
+
+The *modbus_write_registers()* function shall write the content of the `nb`
+holding registers from the array `src` at address `addr` of the remote device.
+
+The function uses the Modbus function code 0x10 (preset multiple registers).
+
+## Return value
+
+The function shall return the number of written registers if
+successful. Otherwise it shall return -1 and set errno.
+
+## See also
+
+- [modbus_write_register](modbus_write_register)
+- [modbus_read_registers](modbus_read_registers)
+site_name: libmodbus
+
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