0.5.2

• 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

• 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

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

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

Added

• Support for reading configuration from file (-c).
• Systemd support (thanks to Luuk Loeffen [email protected]).
• Sysfs gpio RS-485 directional control (-y, -Y, thanks to James Jarvis [email protected]).

Changed

• Migrated from Autotools to CMake (thanks to Nick Mayerhofer [email protected]).

0.2.3

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

Fixed

• Function code 6 response reading error #3.

0.2.1

Added

• Serial port mode configuration option (-m).