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CHANGELOG.rst

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Changelog

Main branch

All the notable changes included in the main branch are documented in this section.

Changes

  • Removed support for running MPSL on the nRF5340 PDK (DRGN-15174).
  • Timeslot API values MPSL_TIMESLOT_DISTANCE_MAX_US and MPSL_TIMESLOT_EARLIEST_TIMEOUT_MAX_US increased to 256 seconds (DRGN-16800).

Bug fixes

nRF Connect SDK v1.9.0

All the notable changes included in the |NCS| v1.9.0 release are documented in this section.

Added

  • Added a new header file :file:`mpsl_dppi_protocol_api.h` which exposes DPPI channels that have a fixed configuration during the lifetime of a radio event (DRGN-16308). This will facilitate debugging of protocol implementations. Currently these channels are guaranteed to be applied correctly for Bluetooth only.

nRF Connect SDK v1.8.0

All the notable changes included in the |NCS| v1.8.0 release are documented in this section.

Added

  • Added support for the Simple GPIO Front-End Module implementation on the nRF53 Series.
  • Added support and separate documentation for Bluetooth External Radio Coexistence on the nRF52 Series (DRGN-11849).
  • Added experimental support for the 1-wire coexistence interface on the nRF52 Series (DRGN-16439).

Changes

Bug fixes

  • Fixed an issue where the current consumption in some cases was high after the end of a timeslot when using MPSL_TIMESLOT_HFCLK_CFG_NO_GUARANTEE. Now the time from the request with type MPSL_TIMESLOT_REQ_TYPE_EARLIEST until the event starts is in some cases increased (DRGN-16506).

nRF Connect SDK v1.7.0

All the notable changes included in the |NCS| v1.7.0 release are documented in this section.

Added

  • Added support for nRF21540 GPIO Front-End Module for nRF53 Series.
  • Added a public interface for the radio coexistence protocol API (KRKNWK-7490). This public interface can be used to replace the example implementation of the radio coexistence with other implementations compliant with other Packet Traffic Arbitration (PTA) interfaces.

Changes

nRF Connect SDK v1.6.0

All the notable changes included in the nRF Connect SDK v1.6.0 release are documented in this section.

Added

  • Added an API to set and get a flag that determines whether to apply the DEVICE-CONFIG-254. The API user shall set the flag to desired value with :c:func:`mpsl_fem_device_config_254_shall_apply_set`. The protocol stacks' responsibility is to check the flag value using :c:func:`mpsl_fem_device_config_254_shall_apply_get` and apply the configuration when the flag value is true.
  • Added support for the nRF5340 device, which was previously only supported for evaluation purposes (DRGN-8639).
  • Added a function to the FEM protocol API to disable FEM when no radio activity is expected. This function is intended to reduce power consumption (KRKNWK-8842).

Changes

  • Reserved TIMER1 for use by MPSL on nRF5340 (DRGN-15721).

Bug fixes

nRF Connect SDK v1.5.0

All the notable changes included in the nRF Connect SDK v1.5.0 release are documented in this section.

Added

  • Added a new signal to the MPSL timeslot: MPSL_TIMESLOT_SIGNAL_OVERSTAYED. This signal is given to the application when a timeslot session is closed too late (DRGN-14677).
  • Added a new clock configuration option :c:member:`skip_wait_lfclk_started` in :c:struct:`mpsl_clock_lfclk_cfg_t`, which does not wait for the start of the low-frequency clock (DRGN-14204).
  • Added macro MPSL_RESERVED_PPI_CHANNELS for a bit mask of (D)PPI channels reserved by MPSL (DRGN-13356).

Bug fixes

  • Fixed an issue where the low-frequency clock was configured incorrectly when the source configuration signal was set to either External Full swing or External Low swing (DRGN-15064).
  • Fixed an issue where MPSL waited for the low-frequency clock to start even though it was configured not to wait for it (DRGN-15176).

nRF Connect SDK v1.4.0

All the notable changes included in the nRF Connect SDK v1.4.0 release are documented in this section.

Changes

  • Changed the timeslot implementation to support up to 8 concurrent sessions (DRGN-13952). It is now necessary to supply a timeslot context configuration using :c:func:`mpsl_timeslot_session_count_set`. All timeslot APIs now take a session_id as input. The session id is retrieved from :c:func:`mpsl_timeslot_session_open`.
  • Added an API to use Front-End Modules, like the nRF21540 GPIO or a simple GPIO, with the protocols and an API to configure them using the application. Only the nRF52 Series is supported.

Bug fixes

  • Fixed an issue where both the high-frequency clock and TIMER0 were not turned off during idle periods shorter than 9 ms (DRGN-14152). This increased the average power consumption. Such a case could occur when running a |BLE| connection with a connection interval of 7.5 ms.

Known Issues and limitations

See the :ref:`nrf:known_issues` page in |NCS| for the list of known issues and limitations for this release.

nRF Connect SDK v1.3.0

All the notable changes included in the nRF Connect SDK v1.3.0 release are documented in this section.

Added

  • Added API for fetching build revision information.
  • Added API to set a TX Power envelope. Protocols using MPSL will limit their TX power to a value equal to, or lower than, the provided value.
  • Added support for using a low-swing and full-swing LF clock.
  • The support for integrating an 802.15.4 driver is now improved.

Changes

  • Removed MPSL_RADIO_NOTIFICATION_DISTANCE_425US and replaced it by MPSL_RADIO_NOTIFICATION_DISTANCE_420US.
  • On nRF53, the fix for Errata 16 is now applied.
  • The scheduling overhead of a timeslot event is reduced.

Bug fixes

  • Fixed an issue on nRF53 where an assert could occur when using a timeslot.

nRF Connect SDK v1.2.0

All the notable changes included in the nRF Connect SDK v1.2.0 release are documented in this section.

Added

  • Added a library version with preliminary support for the nRF5340 device. The feature set is the same as in the MPSL library for nRF52. The following library has been added:

Changes

  • Removed _nrf52 from the MPSL library file names.
  • Version numbers have been removed from the libraries.
  • It is no longer allowed to call :c:func:`mpsl_init` if MPSL is already initialized.
  • Clock configuration parameters for any stack that uses MPSL must be provided in :c:type:`mpsl_clock_lfclk_cfg_t` to :c:func:`mpsl_init`. This now also involves clock accuracy.
  • Clock accuracy must be specified in parts per million (ppm).
  • Renamed the MPSL clock API for the high-frequency and low-frequency clocks.

MPSL 0.5.0-1.prealpha

Initial release.

Added

  • Added the following MPSL library build variants:
    • hard-float/libmpsl_nrf52.a
    • soft-float/libmpsl_nrf52.a
    • softfp-float/libmpsl_nrf52.a