DFDL4S is a generic binary data binding library (Java and C++)  based on the Data Format Description Language (DFDL).

The library interface enables a set of data manipulation operations making use of DFDL schema files to Read and Write binary data (e.g. CCSDS Space Packets).

DFDL4S is provided as Java and C++ library and it is available for several platforms (Windows, Linux and Mac OS X)

Documentation is located here. Online API documentation is available for Java and C++.

Roadmap

Version 2.1.0 : [November 2022]

• Improve exception handling in DFDL4S API
• Improve performance
• Bug fixes

Version 2.2.0 : [March 2023]

• Align (progress) callback interface between Java and C++ APIs
• Extend API to handle time values using CCSDS Time Formats
• New CRC+Reed Solomon validation tools
• Bug fixes

Support

For technical support, please contact the DFDL4S helpdesk at This email address is being protected from spambots. You need JavaScript enabled to view it.

Known Issues