News

Urgent fix for last releases

July 31, 2019

libmodbus 3.0.8 (2019-07-31) libmodbus 3.1.6 (2019-07-31) Fix awful typo in fix for VD-1301 vulnerability. Thank you Karl Palsson.

Tags: release

Stable and development releases

July 29, 2019

Many changes with fixes for vulnerabilities

Tags: release

libmodbus v3.1.4

May 28, 2016

Small fixes, Cygwin improvements and fix missing script in tarball

Tags: release

libmodbus v3.1.3

May 11, 2016

Many fixes and improvements on data mapping, float handling and RTS.

Tags: release

libmodbus v3.1.2

February 10, 2015

This new development release contains new features about server listening and timeout handling.

Tags: release

Two releases the same day v3.0.5 and v3.1.1

October 29, 2013

Many features and a remote buffer overflow vulnerability has been fixed.

Tags: release

Very late announce of libmodbus v3.1.0

May 11, 2013

OK last year, I’ve silently released libmodbus v3.1.0 and it’s never too late to announce it! libmodbus 3.1.0 (2012-05-22) Major changes to handle many slaves in RTU mode, non blocking connections and RTS flow control. Fixes for Microsoft Visual C++ compiler Fixes for Windows. Thanks to oldfaber Return value of _modbus_tcp_pi_connect() on failure (closes ) Avoid ioctl call on non-RS485 ports. Thanks to Michael Haberler Display node and service in PI and port in IPv4 at connection Return -1 on getaddrinfo error and print error in debug mode More robust way to establish the connection in non blocking mode TCP - Socket in non blocking mode by default. ... Read more …

Tags: release

libmodbus v3.0.4

May 8, 2013

autogen.sh creates symlinks instead of copies Add missing m4 directory (closes #103) Fix alignment problem on ARMv5 platform. Thanks to Alexander Dahl. Remove useless test on error_recovery argument. Thanks to Carlos Tangerino. Download libmodbus v3.0.4

Tags: release

New libmodbus v3.0.3

May 26, 2012

This new bugfix release contains the following changes: Fix another Visual C++ 2008⁄2010 deficiency (closes #53) Add -lsocket to compile on QNX Fix TCP PI init under Windows. Thanks to oldfaber. Fix a missing free in random-test-client Thanks again to Stefan Finzel. Fix OMG bug in modbus_mapping_free not freeing memory. Thanks to Stefan Finzel for the bug report. Fix semicolon typo and unistd.h include under Windows. Thanks to Andrew Kravchuk. ... Read more …

Tags: release

Fork me, I'm famous!

February 6, 2012

The modbus library finds its way into the official repositories Fedora (packaged by St├ęphane Raimbault), Debian and Ubuntu (packaged by Ivo De Decker). https://community.dev.fedoraproject.org/packages/libmodbus http://packages.debian.org/search?keywords=libmodbus http://packages.ubuntu.com/search?keywords=libmodbus Of course, we’ll happy to support other distributions! To improve the communication and ease the subscription process, the libmodbus project as moved from Launchpad list to Google Groups libmodbus@googlegroups.com. Update: Julien Boibessot integrated libmodbus into Buildroot.

Tags: fedora debian ubuntu