Wi-SUN Stack Release Note#

Release 1.2.1#

(release date 2022-01-26)

Bug Fixes#

• Fixed an error that could cause the stack to assert on a RAIL_StartCcaCsmaTx when trying to connect to a network that cannot be reached.

Release 1.2#

(release date 2021-10-13)

New Features and Improvements#

• added release quality libraries. They provide the same Wi-SUN features but are not logging anything.

• added a new API sl_wisun_reset_statistics that resets all the counters read by calling sl_wisun_get_statistics.

• added new APIs sl_wisun_get_neighbor_count() and sl_wisun_get_neighbors() that indicate the neighbor count (parents and children) and their MAC address.

• added a new API sl_wisun_get_neighbor_info() that returns information about a neighbor.

• added a new API sl_wisun_set_unicast_settings() that configures the frequency hopping unicast dwell interval.

• added a new API sl_wisun_set_trace_level() and sl_wisun_set_trace_filter() that configure the stack traces.

• added support for mbedtls v3.0.

• stack flash footprint reduction.

• reworked Wi-SUN stack tasks priorities.

Bug Fixes#

• fixed the unicast channel filtering.

• fixed an error causing the authentication waiting list to be broken.

Release 1.1.2#

(release date 2021-10-13)

Bug Fixes#

• fixed an issue causing a hard-fault during a parent information update.

Release 1.1.1#

(release date 2021-09-08)

Bug Fixes#

• fixed a drift in the frequency hopping mechanism that could lead to disconnections in quiet networks.

Release 1.1.0#

(release date 2021-07-21)

Bug Fixes#

• fixed an issue causing the event SL_WISUN_MSG_CONNECTED_IND_ID to be fired although no new connection was established. It was fired after each network update.

• fixed an issue causing connections to fail after an operating class update.

• fixed an issue causing US-IE configuration to be invalid when excluding channels.

Release 1.0.1#

(release date 2021-06-16)

Bug Fixes#

• fixed an issue causing a parent to lose track of its child frequency hopping sequence. The child router was sending an incorrect IFSU misleading the parent router and forcing it to be one frequency hop interval late.

Release 1.0.0#

(release date 2021-04-21)

New Features and Improvements#

• added a new disconnected join state to sl_wisun_get_join_state API.

• miscellaneous API minor updates

Bug Fixes#

• fixed memory leaks during the disconnection and reset processes.

Release 0.2.2#

(release date 2021-04-21)

New Features and Improvements#

• added border router support for custom PHYs

• added a new API for clearing credential cache

• added a new API for MAC address management

Bug Fixes#

• fixed a bug causing connection with network_size 'Test' to be slower than it used to be.

Release 0.2.1#

(release date 2021-04-07)

Bug Fixes#

• fixed a bug causing unicasts to be sent on the wrong channel

• updated a configuration that prevented multicast to be forwarded

Release 0.2.0#

(release date 2021-01-25)

New Features and Improvements#

• added support for CMSIS RTOS API2

Bug Fixes#

• fixed UDP sockets corner cases.

Release 0.1.0#

(release date 2020-12-10)

New Features and Improvements#

• added support for Gecko SDK v3.1

• added support for operating mode 2a (100kbps) and 3 (150kbps)

• added new APIs sl_wisun_allow_mac_address() and sl_wisun_deny_mac_address() that enable MAC filtering.