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Changelog

0.5.2 - 2024-03-27

Make use of Linux RS-485 support (#97).
Add flag -r to support inverted RTS flow control(#98).
Logging fixes and enhancements (#90).
Default log file name changed to /var/log/mbusd.log.
Fix building on older gcc versions (#100).
Add docker image publish github workflow.

0.5.1 - 2022-08-18

Add 'reply on broadcast' feature (#75).
Fix for "Resource temporarily unavailable" error in tty read() (#78).
Add simple Dockerfile for running mbusd containerized (#79).
Add support for more complex serial port device names (#81).
Do not segfault when closing last connection (#83).
Fix crash due to missing logw() argument (#84).

0.5.0 - 2020-11-28

Added

Command-line and config options to set an TCP socket address (#53).
IPv6 support (#53).
Support for RTU broadcast messages (#61).
More baudrates (#62).

Fixed

Added online network requirements to the systemd service file (#58).
Take into account tty parity bit in the timing calculations (#59).
Show an error when trying to use unsupported baudrate (#63).

0.4.0 - 2019-07-08

Added

Modbus RTU Exception Forwarding (#29).
Handle incorrect Modbus/TCP data length header field (#31).
tty reconnect with an exponential backoff.

Fixed

Modbus: read only a single frame at a time (#43).
Readable socket never gets read, conn_loop degrades into busy loop (#52).

0.3.0 - 2017-12-11

Added

Support for reading configuration from file (-c).
Systemd support (thanks to Luuk Loeffen luukloeffen@hotmail.com).
Sysfs gpio RS-485 directional control (-y, -Y, thanks to James Jarvis jj@aprsworld.com).

Changed

Migrated from Autotools to CMake (thanks to Nick Mayerhofer nick.mayerhofer@enchant.at).

0.2.3 - 2016-04-25

Fixed

tty mode setup on platforms with cfmakeraw available (fixes #7).

Changed

RTU response wait time raised to 500 ms.
Allow 8 bit only character size in tty mode string.

0.2.2 - 2015-12-18

Fixed

Function code 6 response reading error #3.

0.2.1 - 2015-06-08

Added

Serial port mode configuration option (-m).

0.2.0 - 2015-02-24

Added

RTS RS-485 transmit/receive control (thanks to Andrew Denysenko nitr0@seti.kr.ua).
RTU response receiving by length (thanks to Andrew Denysenko nitr0@seti.kr.ua).

Changed

Standard error codes for receive error (04) and timeout (0x0B).

0.1.3 - 2013-11-18

Fixed

Serial interface initialization under Linux.
x86_64 build.

Changed

Default RTU client response wait timeout increased to 50 ms.

Added

Eclipse CDT project files.

0.1.2 - 2003-09-26

Fixed

Compilation under CYGWIN.

0.1.1 - 2003-09-13

Initial release