RIOT-2018.04 - Release Notes

RIOT is a multi-threading operating system which enables soft real-time capabilities and comes with support for a range of devices that are typically found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as light-weight 32-bit processors.

RIOT is based on the following design principles: energy-efficiency, soft real-time capabilities, small memory footprint, modularity, and uniform API access, independent of the underlying hardware (with partial POSIX compliance).

RIOT is developed by an international open-source community which is independent of specific vendors (e.g. similarly to the Linux community) and is licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect business models around the free open-source software platform provided by RIOT.

About this release:

The 2018.04 release includes major progress in support for current crypto libraries. A lot of work has gone into updating drivers to RIOT's unified configuration scheme. Support for ten new boards has been added. In our quest to improve and automate testing, many test scripts have been fixed and improved, and RIOT's CI now runs many tests on real hardware during its nightly build testing. And as usual, many tiny fixes and improvements have been merged.

About 390 pull requests with about 1073 commits have been merged since the last release and about 54 issues have been solved. 44 people contributed with code in 98 days. Approximately 1491 files have been touched with 208426 insertions.

Notations used below:

+ means new feature/item
* means modified feature/item
- means removed feature/item

New features and changes

System libraries

- cbor: deprecated in favour of cn-cbor
+ hashes: add sha-3 implementation

Networking

* netdev: replaced "struct iovec" with iolist_t
+ nanocoap: added server-side block1 support
+ skald: a BLE advertising stack

Packages

+ cayenne-lpp: A Cayenne LPP library written in C
+ HACL*: a formally verified cryptographic library written in F*
+ qDSA: Small and Secure Digital Signatures with Curve-based
        Diffie--Hellman Key Pairs
+ libcose: Constrained node COSE library
+ cn-cbor: A constrained node implementation of CBOR in C
+ ucglib

Boards

+ arduino-mkrfox1200
+ frdm-kw41z
+ jiminy-mega256rfr2
+ mega-xplained
+ nucleo-l433rc
+ nucleo-l452re
+ slstk3401a
+ slwstk6000b
+ stk3600
+ stk3700

CPU

+ atmega1284p
+ NXP Kinetis KW41Z

Device Drivers

+ bmx055: Bosch bmx055 9-axis IMU
+ ata8520e: Microchip ATA8520E Sigfox(tm) transceiver

Build System / Tooling

+ ci: initial on-hardware test support

Known Issues

Please refer to the issue tracker at https://github.com/RIOT-OS/RIOT/issues.

Acknowledgements

We would like to thank all companies (vendors) that provided us with (their) hardware for porting and testing RIOT-OS. Further thanks go to companies and institutions that directly sponsored development time. And finally, big thanks to all of you contributing in so many different ways to make RIOT worthwhile!

More information

http://www.riot-os.org

Mailing lists

• RIOT OS kernel developers list devel@riot-os.org (http://lists.riot-os.org/mailman/listinfo/devel)
• RIOT OS users list users@riot-os.org (http://lists.riot-os.org/mailman/listinfo/users)
• RIOT commits commits@riot-os.org (http://lists.riot-os.org/mailman/listinfo/commits)
• Github notifications notifications@riot-os.org (http://lists.riot-os.org/mailman/listinfo/notifications)

IRC

• Join the RIOT IRC channel at: irc.freenode.net, #riot-os

License

• The code developed by the RIOT community is licensed under the GNU Lesser General Public License (LGPL) version 2.1 as published by the Free Software Foundation.
• Some external sources and packages are published under a separate license.

All code files contain licensing information.