TI Wi-SUN FAN 1.0 Stack Release Notes

Table of Contents


Wi-SUN is an open, standards-based IPv6 Sub-1GHz mesh networking protocol designed for robust self-healing and secure large-scale networks with thousands of nodes. The network typically consists of line powered routers and gateways or border routers.

The TI Wi-SUN FAN 1.0 Stack is a set of sample applications, tools, APIs and protocol stack libraries that enable engineers to develop Wi-SUN FAN 1.0 standalone or network processor applications on the SimpleLink™ CC13xx family of wireless MCUs.

As part of the network processor offering, TI provides a python framework and an example host application. This can be found on TI Wi-SUN FAN Spinel CLI Reference on github.

In TI Wi-SUN FAN Stack, the 6LoWPAN, RPL, IPv6, ICMPv6 and UDP layers have been adapted from open source components. Additional information about TI’s Wi-SUN FAN solutions can be found at www.ti.com/wi-sun.

Key Features


The SimpleLink Low Power F2 Software Development Kit (SDK) allows easier product development by combining TI-RTOS and the TI Wi-SUN FAN Stack in one unified SDK. All Wi-SUN sample applications are based off the TI-RTOS Kernel. Key documents needed for application development include:

Installation and Usage

What’s New

ID Summary
WISUN-722 Add Wi-SUN OAD support to CC13x4 (onchip)
WISUN-714 Support PAN ID allow/denylist configuration via coap
WISUN-682 enable WiSun Secure SBL with MCUBoot CC13X2R/P-7 and CC13X4
WISUN-675 Enable WiSun examples on CC1354P10-6 LP

Fixed Issues

ID Summary
WISUN-791 Hard fault in coap example when calling memset.
WISUN-780 Update Wi-SUN OAD README with correct CC13X4 initial flashing address.
WISUN-524 TI 15.4-Stack accepts frames even when frame counter is not increased.

Known Issues

ID Summary
None None

Upgrade and Compatibility Information

The frequency tolerance of the crystals on TI LaunchPads are not Wi-SUN compliant at extreme temperatures. For end products requiring very high or very low temperatures, make sure to use a crystal that ensures accuracy within the Wi-SUN specification.

Operating System Support

Please refer to the SDK release notes.


The TI Wi-SUN FAN sample applications were built & tested with the Integrated Development Environments (IDEs) and listed in the top-level SDK release notes.

Note: Earlier IDE/toolchain versions are not supported and compatibility with newer versions of supported IDEs is not assured.

The TI Wi-SUN FAN sample applications NWP mode were tested with the TI Wi-SUN FAN Spinel CLI Reference with release tag TI_WiSUN_STACK_01_00_05_01.

Device Support

Development Board Support


The TI Wi-SUN FAN sample applications were built & tested with versions of the following Integrated Development Environments (IDEs) and tool chains listed in the top-level SDK release notes:


This product follows a version format, M.mm.pp.bb, where:

Technical Support and Product Updates