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CHANGELOG.md

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LoRa Basics Modem Library changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v3.2.4] 2022-08-23

Added

  • AS923 group 4 Regional Parameters
  • WW2G4 Regional Parameters for LoRaWAN protocol emulation
  • Support of sx128x radio

Changed

  • [lr11xx_driver] Update to version v2.1.1
  • [sx126x_driver] Update to version v2.1.0
  • [makefile] remove ARM Cortex option from makefile to make LoRa Basics Modem completely agnostic from the MCU. Makefile shall be called with a new MCU_FLAGS option containing all core options
  • [makefile] Align built target directory with crypto compilation options
  • [utility/example] Update PA configuration process in ral_lr11xx_bsp_get_tx_cfg function.
  • [utility/example] Update stm32l476rgtx_flash.ld files to fix stack start and stop address
  • [utility/example] Remove ral_lr11xx_bsp_get_rssi_calibration_table workaround as the lr11xx driver was fixed
  • [utility/example] Fix hal_rtc_get_time_ms so that it returns a full range value
  • Clock Sync Service with ALC Sync source can generate events:
    • SMTC_MODEM_EVENT_TIME_VALID_BUT_NOT_SYNC
  • Clock Sync Service with DeviceTimeReq source can generate events:
    • SMTC_MODEM_EVENT_TIME_VALID_BUT_NOT_SYNC
    • SMTC_MODEM_EVENT_TIME_NOT_VALID

Fixed

  • [LFU] LoRa Basics Modem now rejects properly files with a size between 8181 and 8192 bytes
  • [LFU] Fix issue regarding encryption of files with size higher than 4080 bytes
  • [RP] Fix issue on radio interruption timestamp
  • [LBT] On lr11xx targets, correct outdated LBT pre-hook issue
  • [LBT] Remove log print when uplinking on fsk to avoid adding delay on scheduled tasks
  • [LBT] Moved log print after enqueued the sniffing task in Radio Planer to avoid to add a delays
  • [ADR] In case a MAC command link_adr_req with a new channel mask is received, it is now accepted if the custom datarate profile is enabled and configured with the highest datarate of the corresponding region
  • [LFU/Stream] In case of reception of rejoin request from DAS, reset LFU and stream services properly *[ClockSyncService/MAC] Fixed an issue where the Clock Synchronization Service was not reloaded when DeviceTimeAns was not received *[DeviceTimeReq/MAC] Fixed an issue where the GPS epoch time became invalid if DeviceTimeAns not received

[v3.1.7] 2022-04-22

Added

  • AS923 (3 sub regions included), IN865, KR920, RU864, AU915 Regional Parameters
  • Class B support
  • Class B Multicast support (up to 4 sessions)
  • Class C Multicast support (up to 4 sessions)
  • LR-FHSS Support (enabled with compilation option: RP_VERSION=RP2_103)
  • Support of SX1261 and SX1262 radios
  • Added commands:
    • New connectivity check function: smtc_modem_lorawan_get_lost_connection_counter
    • Makefile: add Regional Parameters option to choose to compile the code for RP2_101 or RP2_103
    • [smtc_modem_hal]:
      • smtc_modem_hal_assert(expr) macro
      • smtc_modem_hal_assert_fail() function
      • smtc_modem_hal_get_time_in_100us() function
      • smtc_modem_hal_get_radio_irq_timestamp_in_100us() function
    • In SMTC_MODEM_EVENT_DOWNDATA event status: added new class B reception windows, fpending bit status, reception frequency and datarate
    • Middleware API for geolocation
  • Add basic example to provide an easy start point on Nucleo L476 board

Changed

  • smtc_modem_set_crystal_error renamed to smtc_modem_set_crystal_error_ppm and now takes real ppm (previously was ppt)
  • smtc_modem_get_stack_state: Added a new stack state SMTC_MODEM_STACK_STATE_TX_WAIT when stack is between retransmissions
  • smtc_modem_time_trigger_sync_request function does not take sync_service parameter anymore, now it will use the current enabled time synchronization service
  • [smtc_modem_hal]:
    • smtc_modem_hal_irq_is_radio_irq_pending() function has been replaced with smtc_modem_hal_radio_irq_clear_pending(). Now modem only asks to clear radio pending irq
  • LR1110 driver was renamed to LR11xx driver and now also supports LR1120 radio
  • Updated to latest version of SX126x and LR11xx driver
  • An ALMANAC_UPDATE event is generated if "Almanac force update" is received.
  • File upload size can be now up to 8k
  • Remove -2dB default tx power offset (now it is 0) and manage EIRP to ERP conversion in LoRaWAN stack
  • smtc_modem_connection_timeout_get_thresholds: Default internal value of nb_of_uplinks_before_network_controlled is now 0 (before was 255). Result: the mobile to static automatic switching service is now deactivated by default.

Fixed

  • Corrected Fcnt_down msb management
  • smtc_modem_derive_keys now takes user defined EUIs into account
  • AU915: when dwell time was on, the returned max payload sizes were incorrect. This has been corrected
  • Corrected bug in smtc_modem_reset_charge
  • Internal join nonce value is now initialized to FFFFFF to avoid dropping the first join accept message

[v2.1.0] 2021-11-03

Initial release