- Faster CRC calculation by using a lookup table (thanks to Peter)
- Handling of local echo (thanks to Luca Di Gregorio)
- Improved behavior of dummy_serial (number of bytes to read)
- Improved debug messages (thanks to Dino)
- Using project setup by the cookie-cutter tool.
- Reshuffled source files and documentation.
- Moved source to Github from Sourceforge.
- Moved documentation to readthedocs.org
- Using the tox tool for testing on multiple Python versions.
- Using Travis CI test framework
- Using codecov.io code coverage measurement framework
- Added support for Python 3.3 and 3.4.
- Dropped support for Python 2.6.
- Support for Modbus ASCII mode.
- Precalculating number of bytes to read, in order to increase the speed.
- Better handling of several instruments on the same serial port, especially for Windows.
- Improved timing for better compliance with Modbus timing requirements.
- Read and write multiple registers.
- Read and write floating point values.
- Read and write long integers.
- Read and write strings.
- Support for negative numbers.
- Use of the Python struct module instead of own bit-tweaking internally.
- Improved documentation.
- Fine-tuned setup.py for smoother installation.
- Improved documentation.
- Improved requirements handling in setup.py
- Adjusted MANIFEST.in not to include doc/_templates
- Adjusted RST text formatting in README.txt
This is a major rewrite, but the API is backward compatible.
- Extended functionality to support more Modbus function codes.
- Option to close the serial port after each call (useful for Windows XP etc).
- Diagnostic string output available (for support).
- Debug mode available.
- Improved __repr__ for Instrument instances.
- Improved Python3 compatibility.
- Improved validity checking for function arguments.
- The error messages are made more informative.
- The new example driver omegacn7500 is included.
- Unit tests included in the distribution.
- A dummy serial port for unit testing is provided (including recorded communication data).
- Updated documentation.
- Changes in how to reference the serial port.
- Updated documentation.
- First public release.