# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## LoRaWAN pre-certification results Please refer to [Releases pre-certification-results](https://github.com/Lora-net/LoRaMac-node/wiki/releases-pre-certification-results) document for further information. ## [Unreleased] ## [4.6.0] - 2022-01-11 ### General - Release based on "LoRaWAN specification 1.0.4" and "LoRaWAN specification 1.1.0 + FCntDwn ERRATA" with "LoRaWAN Regional Parameters 2-1.0.1" - GitHub reported issues corrections. ### Known limitations - SAMR34 platform does not implement NVM storage functionality. This is a requirement for LoRaWAN versions greater or equal to 1.0.4. No work on this subject is forseen by the maintainers. Implementation proposals are welcome. ### Added - Added NbTrans default value reset under JoinAccept processing - Added missing Class B certification commands - Added missing `classBParams.NetworkActivation` variable initialization - Added Class B remote multicast setup support - Added data rate validation to the join accept message handling - Added channel id limits verification to DlChannelReq handling ### Changed - Changed `LmHandlerDeviceTimeReq` API to be publicly accessible - Changed improved the way `USE_LRWAN_1_1_X_CRYPTO` pre-processing directive is used - Changed improved the way `JoinNonce` is checked ### Fixed - Fixed first beacon acquisition after receiving a `DeviceTimeAns`. - Fixed `LmHandlerParams_t` `PingSlotPeriodicity` field type from `bool` to `uint8_t` - Fixed i2c.h to include "utilities.h". - Fixed VSCode `periodic-uplink-lpp` project default LoRaWAN class selection - Fixed SX127x FSK transmission when radio current operating mode is RX. ### Removed - Removed no more needed `MLME_SCHEDULE_UPLINK` notification ## [4.5.2] - 2021-05-28 ### General - Release based on "LoRaWAN specification 1.0.4" and "LoRaWAN Regional Parameters 2-1.0.1" - GitHub reported issues corrections. ### Known limitations - SAMR34 platform does not implement NVM storage functionality. This is a requirement for LoRaWAN versions greater or equal to 1.0.4. No work on this subject is forseen by the maintainers. Implementation proposals are welcome. ### Added - Added possibility to override periodic-uplink-lpp example `LORAWAN_DEFAULT_CLASS` - Added I2C driver support for B-L072Z-LRWAN1 and Nucleo platforms to the build system - Added battery voltage and MCU temperature reading functions implementation for Nucleo platforms - Added a default value for `Request->ReqReturn.DutyCycleWaitTime` to ensure that a valid value is always returned - Added SX126x `REG_RX_GAIN` and `REG_TX_MODULATION` to the radio registers retention list - Added SX126x missing registers definitions - Added radio image calibration enforcement after radio initialization and radio sleep cold start. - Added possibility to query minimal Tx data rate ### Changed - Updated ADC driver based on en.en-st-stm32cubeide examples - Changed improved the way `LmHandler` handles the packages transmissions - Changed certification `OnTxPeriodicityChanged` callback implementation in order to directly apply the requested change - Changed the `LmHandler` initialization to apply user default data rate - Changed SX1272 and SX1276 FSK FIFO threshold from 15 to 31 in order to give more time for the MCU to make other processing tasks - Changed the way `IrqFired` global variable is handled by `RadioIrqProcess` - Changed the place of call to `TimerStop( &RxTimeoutTimer )` on `RadioIrqProcess` implementation - Changed utilities.h `SUCCESS`/`FAIL` definition by an enumeration `LMN_STATUS_OK`/`LMN_STATUS_ERROR` ### Fixed - Fixed Null pointer exception when CN470 region was selected - Fixed `src/system/gps.c` HasFix variable type from `double` to `bool` - Fixed Class C downlink handling - Fixed I2C driver for L476 - Fixed re-transmissions handling when ClassB or ClassC downlink is received - Fixed certification `FPort224DisableReq` command NVM handling - Fixed Class B & C confirmed downlink acknowledge management when `CLASS_B_C_RESP_TIMEOUT` expires - Fixed an issue when receiving downlinks in class C window during a class A procedure - Fixed SX126x and LR1110 driver IrqFired variable management - Fixed `LmhpCompliance.c` `periodicity` array size computation - Fixed join back-off by not storing band usage on the NVM memory. - Fixed `LoRaMacMibGetRequestConfirm` `MIB_SE_PIN` handling - Fixed ping-slot frequency to take in account the `AS923_FREQ_OFFSET_HZ` parameter - Fixed fragmentation loop variable type in order to allow more than 255 fragments - Fixed `RtcMs2Tick` conversion on SAMR34 - Fixed compiling issue when RU864 region is selected - Fixed `MLME_SCHEDULE_UPLINK` handling. ### Removed - Removed STM32 platforms system wake up time calibration ## [4.5.1] - 2021-01-18 ### General - Release based on "LoRaWAN specification 1.0.4" and "LoRaWAN Regional Parameters 2-1.0.1" - GitHub reported issues corrections. ### Fixed - Fixed compiling issues ## [4.4.7] - 2021-01-18 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - **Release 4.4.7 is an hotfix of 4.4.6 and is the last one supporting "LoRaWAN specification 1.0.3"** ### Changed - Changed examples GitHub version to 4.4.7 ### Fixed - Fixed compiling issues when KR920 or RU864 regions are selected - Fixed compiling issues for `fuota-test-01` example ## [4.5.0] - 2020-12-18 ### General - Release based on "LoRaWAN specification 1.0.4" and "LoRaWAN Regional Parameters 2-1.0.1" - GitHub reported issues corrections. Please refer to [Release Version 4.5.0](https://github.com/Lora-net/LoRaMac-node/milestone/5) ### Added - Added implementation of LoRaWAN 1.0.4 changes - Added implementation for new Certification protocol specification - Added GitHub repository and firmware examples version definitions ## [4.4.6] - 2020-12-18 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - GitHub reported issues corrections. Please refer to [Release Version 4.4.6](https://github.com/Lora-net/LoRaMac-node/milestone/8) - **Release 4.4.6 is the last one supporting "LoRaWAN specification 1.0.3"** ### Changed - Refactored MAC layer and examples Non Volatile Memory data handling - Changed `NewChannelReq` amd `DlChannelReq` handling to ignore command for `AU915`, `CN470` and `US915` regions - Updated behavior of `SX126xSetLoRaSymbNumTimeout` to round up the timeout to the nearest possible number of symbol. - Changed radio drivers floating point to integer computations - Improved `GetNextLowerTxDr` function implementation. - Changed SX1272 and SX1276 FSK FIFO handling by using `FifoLevel` IRQ instead of `FifoEmpty` IRQ **WARNING** *DIO1 IRQ MCU pin detection has changed from `RISING` to `RISING_FALLING` edge.* - Changed IMST boards default power source to `USB_POWER` ### Fixed - Fixed certification test application handling - Fixed `ping-pong` and `rx-sensi` examples to use the right `FSK_BANDWIDTH` and `FSK_AFC_BANDWIDTH` parameters - Fixed one byte transmissions over I2C - Fixed `RegionIN865RxParamSetupReq` `DrOffset` verification - Fixed STM platforms IRQ handlers when using a C++ compiler - Fixed an issue where the Join back off algorithm wasn't being applied when the duty-cycle enforcement was OFF - Fixed `AU915_MAX_RX1_DR_OFFSET` value to 5 instead of 6 ### Removed - Removed ClassA, ClassB and ClassC examples. ## [4.5.0-rc.1] - 2020-11-24 ### General - Release based on "LoRaWAN specification 1.0.4" and "LoRaWAN Regional Parameters 2-1.0.1" - GitHub reported issues corrections. Please refer to [Release Version 4.5.0](https://github.com/Lora-net/LoRaMac-node/milestone/5) ### Added - Added implementation of LoRaWAN 1.0.4 changes - Added implementation for new Certification protocol specification - Added GitHub repository and firmware examples version definitions ### Changed - Changed IMST boards default power source to USB_POWER ### Fixed - Fixed an issue where the Join back off algorithm wasn't being applied when the duty-cycle enforcement was OFF. - Fixed `AU915_MAX_RX1_DR_OFFSET` value to 5 instead of 6 ### Removed - Removed NvmCtxCallback calls as they should only be done when a modification happens. - Removed ClassA, ClassB and ClassC examples. ## [4.4.5] - 2020-10-14 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - GitHub reported issues corrections. Please refer to [Release Version 4.4.5](https://github.com/Lora-net/LoRaMac-node/milestone/7) ### Added - Added to `FRAGMENTATION_FRAG_SESSION_SETUP_REQ` checks which verify `FragNb` and `FragSize` validity. - Added missing call to `SX126xSetOperatingMode` on `SX126xSetTxContinuousWave` and `SX126xSetTxInfinitePreamble` functions - Added new specific board API to initialize the RF switch (`SX126xIoRfSwitchInit`) - Add to AS923 and KR920 regions a definition for the Rx bandwidth to be used while executing the LBT algorithm - Added support for other AS923 channel sub plan groups. - Added FPort filtering to loramac handler packages. - Added missing NVM update notifications ### Changed - Refactored function `RegionXXInitDefaults`. Fixes an issue on US based bands where the channels mask was not being reset. - Changed hard coded `JoinAccept` max payload size (33) by `LORAMAC_JOIN_ACCEPT_FRAME_MAX_SIZE` definition. - Moved radio operating mode management to specific board implementation - Changed radio `IsChannelFree API` in order to provide reception bandwidth - AS923 default downlink dwell time setting changed to disabled - Back port 1.0.4 region implementation improvements - Changed `RegionCommonComputeSymbolTimeLoRa`, `RegionCommonComputeSymbolTimeFsk` and `RegionCommonComputeRxWindowParameters` API implementations to use integer divisions instead of double division. - Changed DeriveSessionKey10x and DeriveSessionKey11x functions API (Removed pointer based variable usage) ### Fixed - Fixed `SX126xSetLoRaSymbNumTimeout` to call the workaround only if the number of symbols is equal to or higher than 64. - Fixed IAR C++ compiler warnings - Fixed missing `{` after `extern "C"` in `cmac.h` file - Fixed `FragSessionStatusAns` message construction for `Received&index` field - Fixed `LoRaMacCryptoHandleJoinAccept` function `DevNonce`, `RJCount0` and `RJCount1` handling. - Fixed nonce variable declaration - Fixed `LoRaMacCrypto.c` conditional pre-processing. - Fixed missing `Rx1Frequency` reset for dynamic channel plans - Applied Japan ARIB restrictions to the `AS923_1_JP` sub plan - Applied Regional Parameters 1.0.3.revA ERRATA note concerning the ClassB beacon format - Fixed SAMR34 compiling issue when `USE_RADIO_DEBUG` directive is defined - Fixed `SX126xClearIrqStatus` call to only clear read flags - Fixed GFSK bandwidth handling for SX126x and LR1110 radios. - Fixed version handling for MC root keys derivation - Fixed Class B initialization. - Fixed duty-cycle implementation ## [4.4.4] - 2020-05-26 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - GitHub reported issues corrections. Please refer to [Release Version 4.4.4](https://github.com/Lora-net/LoRaMac-node/milestone/6) ### Added - Added the possibility to setup multicast channels locally - Added new `SecureElementProcessJoinAccept` API to the `secure-element.h` - Added possibility to select the secure-element to be used as well as to select if it is pre-provisioned or not - Added support for LR1110 radio - Added support for LR1110 crypto-engine to be used as secure-element - Added support for ATECC608A-TNGLORA secure-element - Added `LoRaMacDeInitialization` API to ease dynamic region change - Added possibility to query implemented versions of the LoRaWAN MAC layer and Regional Parameters specifications - Added `MOTE_MAC_TX_PARAM_SETUP_ANS` as sticky MAC command - Added a filter to handle multicast downlinks exceptions - Added `CHANGELOG.md` file ### Changed - Updated examples to use OTAA activation method by default - Updated `LmhpFragmentation` implementation - Updated Radio APIs to handle 32-bit register addresses - Changed SX126x driver to only process a received packet when there is no CRC error - Moved `Commissioning.h` files to a single one located under `src/apps/LoRaMac/common` directory - Updated `Radio.TimeOnAir` API in order to be independent of the current hardware settings - Moved keys definition and management to the secure-element implementation - Moved device identity to secure-element `se-identity.h` file - Changed support of SAML21 platform by SAMR34 platform - Changed the `MlmeRequest` and `McpsRequest` APIs to report back when the next transmission is possible - Changed `ResetMacParameters` to perform a complete re-initialization of the regional layer after processing the join accept - Updated the implementation to verify the MAC commands size - Changed the way the duty-cycle management is handled ### Removed - Removed the LoRaWAN keys display on serial terminal - Removed `GEN_APP_KEY` support as it is equivalent to LoRaWAN 1.1.x `APP_KEY` - Removed tables definition for repeater support. LoRa-Alliance will provide details on these tables usage in future versions - Removed Changelog chapter from `readme.md` file ### Fixed - Fixed `SX126xGetRandom` API implementation - Fixed SX126x driver missing call to `RadioStandby` in LoRa modem case inside `RadioSetRxConfig` API - Fixed SX126x driver `LoRaSymbNumTimeout` handling - Fixed soft-se/cmac for misaligned 32-bit access - Fixed ping-pong and rx-sensi projects for packets with sizes bigger than 64 bytes handling - Fixed missing switch case `PHY_BEACON_CHANNEL_FREQ` for *AU915* region - Fixed default data rates for Class B beacon and ping-slots for *AU915* region - Fixed join request limitation due to duty cycle restrictions - Fixed `SRV_MAC_DEVICE_TIME_ANS`, `SRV_MAC_PING_SLOT_INFO_ANS` and `SRV_MAC_BEACON_TIMING_ANS` processing to be executed only if corresponding MLME request is queued - Fixed issue where the stack could get stuck in MCPS busy state after MLME Device Time Request - Fixed duty-cycle enforcement by disabling it for *IN865* region - Fixed potential issue where the `FCntUp` counter could sometimes be incremented by 2 instead of 1 - Fixed wrong beacon time-on-air calculation ### Security - Security breach found by Tencent Blade Team please refer to [security advisory - CVE-2020-11068](https://github.com/Lora-net/LoRaMac-node/security/advisories/GHSA-559p-6xgm-fpv9) ## [4.4.3] - 2019-12-17 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - GitHub reported issues corrections. Please refer to [Release Version 4.4.3](https://github.com/Lora-net/LoRaMac-node/milestone/4) ## [4.4.2] - 2019-07-19 ### General - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA" - GitHub reported issues corrections. Please refer to [Release Version 4.4.2](https://github.com/Lora-net/LoRaMac-node/milestone/2) ### Added - Added new refactored application examples - Added LoRa-Alliance defined application layer protocols support. Only FUOTA test scenario 01 required features are currently implemented - "Clock Synchronization" package - "Fragmented data block transport" package - "Remote multicast setup" package - Added a NVM context management module. (Disabled by default) - Added secure-element support - Added B-L072Z-LRWAN1 platform support - Added NucleoL476 platform support - Added NucleoL476 platform support - Added IMST new platforms - Added *RU864* region support - Added ClassB support - Added a callback to notify the upper layer to call `LoRaMacProcess` function - Added support for RxC windows (ClassC) required by the application layer protocols ### Changed - Examples application refactoring plus the addition of the application status display on the serial port. (921600-8-N-1) - Refactored `timer.c/h`, `rtc-driver.c/h` and added a `systime.c/h` module - Functions in ISR context have been moved to main context - Changed `BoardDisableIrq` and `BoardEnableIrq` functions by `CRITICAL_SECTION_BEGIN` and `CRITICAL_SECTION_END` respectively - Heavily refactored the `LoRaMac.c` and `LoRaMac.h` implementation - Changed multicast channels handling according to the application layer protocols ### Removed - Removed SensorNode platform support - Removed MoteII platform support - Removed LoRaMote platform support - Removed *US915-Hybrid* region support ## Fixed - Applied SX1272 and SX1276 radios errata note 3.1 to the radio drivers implementation - Fixed `printf` and `scanf` functions when GCC is used as compiler ## [4.4.1] - 2018-03-07 ### General - Release based on "LoRaWAN specification 1.0.2" and "LoRaWAN Regional Parameters v1.0.2rB" - GitHub reported issues corrections. Please refer to [Release Version 4.4.1](https://github.com/Lora-net/LoRaMac-node/milestone/1) ### Added - Added SX126x radio support - Added NucleoL073 and NucleoL152 board platforms support - Added Microchip/Atmel SAML21 Xplained Pro hardware platform support - Added CMAKE build system support ### Removed - Removed CoIDE projects support - Removed Keil projects support ## [4.4.0] - 2017-09-08 ### General - Release based on "LoRaWAN specification 1.0.2" and "LoRaWAN Regional Parameters v1.0.2rB" - GitHub reported issues corrections ### Added - Added SX126x radio support - Added NucleoL073 and NucleoL152 board platforms support - Added Microchip/Atmel SAML21 Xplained Pro hardware platform support - Added CMAKE build system support - Added the support for all "LoRaWAN Regional Parameters v1.0.2rB" document defined regions ### Changed - Changed radio driver to perform the LBT carrier sense continuously for a given period of time - Changed implementation to support 1.0.2 specification additions ## [4.3.2] - 2017-04-19 ### General - Release based on "LoRaWAN specification 1.0.2" - GitHub reported issues corrections ### Added - Added an algorithm to automatically compute the Rx windows parameters. (Window `symbolTimeout` and `Offset` from downlink expected time) - Added a workaround to reset the radio in case a `TxTimeout` occurs - Added newly defined `TxCw`(Tx Continuous Wave) certification protocol command ### Changed - Changed radio driver to perform the LBT carrier sense continuously for a given period of time - Changed implementation to support 1.0.2 specification additions - Changed FSK modem handling to use the provided `symbolTimeout` (1 symbol equals 1 byte) when in `RxSingle` mode - Changed `GpioMcuInit` function to first configure the output pin state before activating the pin - Changed the `AdrAckCounter` handling as expected by the test houses - Relocate parameter settings from `ResetMacParameters` to the initialization - Changed MAC layer indications handling ### Removed - Removed useless `LoRaMacPayload` buffer ### Fixed - Fixed an overflow issue that could happen with `NmeaStringSize` variable - Fixed an issue where the node stopped transmitting ## [4.3.1] - 2017-02-27 ### General - Release based on "LoRaWAN specification 1.0.1" - GitHub reported issues corrections ### Added - Added MoteII platform based on the IMST module iM881A (STM32L051C8) - Added NAMote72 platform - Added TxCw (Tx continuous wave) LoRaWAN compliance protocol command - Added TxContinuousWave support to the radio drivers - Added region CN470 support ### Changed - Updated the MAC layer in order to be LoRaWAN version 1.0.1 compliant (Mainly US915 bug fixes) - Updated SensorNode projects according to the new MCU reference STM32L151CBU6. Bigger memories - Updated ST HAL drivers - STM32L1xx_HAL-Driver : V1.2.0 - STM32L0xx_HAL_Driver : V1.7.0 ### Removed - Removed api-v3 support from the project ### Fixed - Fixed compliance test protocol command 0x06 behavior - Fixed US band in order to pass the LoRaWAN certification ## [4.3.0] - 2016-06-22 ### General - Release based on "LoRaWAN specification 1.0.1" - GitHub reported issues corrections ### Added - Added radio `RX_TIMEOUT` irq clear into the irq handler - Added retransmission back-off - Added debug pin support to LoRaMote platform - Added a function to verify the RX frequency of window 2 for US band ### Changed - Applied to all application files the certification protocol change for LoRaWAN 1.0.1 compliance tests **REMARK**: api-v3 application files aren't updated - Update of the STM32L0 HAL to version 1.6.0 - Consolidated the line endings across all project files Windows line endings has been choose for almost every file - Updated maximum payload size for US band - Update data rate offset table for US band - Make MAC commands sticky - Updated and improved MPL3115 device driver - RTC driver major update ### Removed - Removed the end less loop from `HAL_UART_ErrorCallback` - Remove the `TxPower` limitation for US band on `LoRaMacMibSetRequestConfirm` function. The power will be limited anyway when the `SendFrameOnChannel` functions is called ### Fixed - Issue(#81): Bug fix in function `LoRaMacMlmeRequest` case `MLME_JOIN`. Function will return `LORAMAC_STATUS_BUSY` in case the MAC is in status `MAC_TX_DELAYED` - Issue(#83): Bug fix in parameter validation - Issue(#84): Fix issue of `CalibrateTimer` function - Applied pull request #87 - Issue(#88): Bug fix in function `PrepareFrame` where repeated MAC commands were not handled correctly - Fixed `OnRadioRxDone` Node now drops frames on port 0 with fOpts > 0 - Fixed `OnRadioRxDone` Node now receives frames with fOpts > 0 when no payload is present ## [4.2.0] - 2016-05-13 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Added - Added a definition for the LoRaWAN device address. Add an IEEE_OUI for the LoRaWAN device EUI - Added a definition for the default data rate - Introduce individual MIN and MAX datarates for RX and TX - Added the possibility to set and get the `ChannelsDefaultDatarate` - Introduce a new status `MAC_RX_ABORT`. Reset `MAC_TX_RUNNING` only in `OnMacStateCheckTimerEvent` ### Changed - Update STM32L1xx_HAL_Driver version to 1.5. Update related drivers and implementations accordingly **REMARK**: This change implies that the time base had to be changed from microseconds to milliseconds - Optimize radio drivers regarding FSK PER - Increase RTC tick frequency for higher resolution - Update the radio wake up time - Update channel mask handling for US915 hybrid mode to support any block in the channel mask - Optimization of the RX symbol timeout - Replace definition `LORAMAC_DEFAULT_DATARATE` by `ChannelsDefaultDatarate` in `LoRaMacChannelAdd` - Accept MAC information of duplicated, confirmed downlinks ### Fixed - Fixed the frequency check condition for // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth - Fixed an issue when calling `SX127xInit` function more than once - Issue(#66) correction of functions `SX1276SetOpMode` and `SX1272SetOpMode` - Issue(#68): Fix for low level RF switch control - Issue(#56) correction - Issue(#63) correct the maximum payload length in RX mode - Fixed Tx power setting loss for repeated join requests on US band - Issue(#59): Add the possibility to set the uplink and downlink counter - Issue(#72): Fix of possible array overrun in `LoRaMacChannelRemove` - Issue(#74): Drop frames with a downlink counter difference greater or equal to `MAX_FCNT_GAP` ## [4.1.0] - 2016-03-10 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections - This version has passed all mandatory LoRa-Alliance compliance tests *One of the optional tests is unsuccessful (FSK downlinks PER on Rx1 and Rx2 windows) and is currently under investigation* ### Added - Add missing documentation about `MIB_REPEATER_SUPPORT`. (Issue #42) - Add a new `LoRaMacState` to allow adding channels during TX procedure. (Issue #43) - Add a new function `PrepareRxDoneAbort` to prepare a break-out of `OnRadioRxDone` in case of an error ### Changed - Application state machine. Relocate setting sleep state and update the duty cycle in compliance test mode - Changed `TimerHwDelayMs` function to be re-entrant - Rename attribute `nbRetries` to `NbTrials` in structure `McpsReqConfirmed_t`. (Issue #37) - Updated implementation of `SetNextChannel`. Added enabling default channels in case of join request. (Issue #39) - Relocate the activation of `LoRaMacFlags.Bits.McpsInd` in `OnRadioRxDone` - Reset status of `NodeAckRequested` if we received an ACK or in case of timeout - Improved and corrected `AdrNextDr` function ### Removed - Removed support for Raisonance Ride7 IDE (Reduces the amount of work to be done at each new release) - Removed the Bleeper-72 and Bleeper-76 platforms support as these are now deprecated - Removed additional EU868 channels from the LoRaWAN implementation files. GitHub (Issue #49) The creation of these additional channels has been moved to the application example ### Fixed - Fixed `TimerIrqHandler`. Now, it is possible to insert timers in callback - Fixed FSK modem packets bigger than 64 bytes handling (Issue #36) - Fixed default channels activation in case all others are disabled. (Issue #39) - Fixed default channel setting in case none is enabled - Fixed `SRV_MAC_NEW_CHANNEL_REQ` MAC command by adding a fix to the `macIndex` variable on US915 band - Start the MacStateCheckTimer in OnRxDone and related error cases with a short interval to handle events promptly. (Issue #44) ## [4.0.0] - 2015-12-18 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Added - LoRaWAN certification protocol implementation ### Changed - STACKFORCE new API integration - Reverse the EUIs arrays in the MAC layer ## [3.4.1] - 2015-11-06 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Fixed - Fixed downlink counter roll over management when several downlinks were missed - Fixed the Radio maximum payload length management. Radio was filtering received frames with a length bigger than the transmitted one - Applied Pull request #22 solution proposition ## [3.4.0] - 2015-10-30 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Added - Added TimerStop function calls to each timer event callback - Added some missing variables casts. Helps on code portability - Added const variable attribute when necessary to functions prototypes - Added `LORAMAC_MIN_RX1_DR_OFFSET` and `LORAMAC_MAX_RX1_DR_OFFSET` definitions to `LoRaMac-board.h`. Can be different upon used PHY layer - Added the limitation of output power according to the number of enabled channels for US915 band - Added the limitation of the applicative payload length according to the data rate. Does not yet take in account the MAC commands buffer. (Issue #15) ### Changed - Changed all applications in order to have preprocessing definitions on top of the files and added relevant comments - Applications LED control is no more done into the timer callback functions but instead on the main while loop - Changed types names for `stdint.h` names. Helps on code portability - Renamed `rand` and `srand` to `rand1` and `srand1`. Helps on code portability - Moved `ID1`, `ID2` and `ID3` definition from `board.h` to `board.c`, `usb-cdc-board.c` and `usb-dfu-board.c` - Renamed `BoardMeasureBatterieLevel` to `BoardGetBatteryLevel` - Added `SetMaxPayloadLength` API function to SX1272 and SX1276 radio drivers - Changed the name of Radio API Status function to `GetStatus` - Changed AES/CMAC types names for `stdint.h` names. Helps on code portability (Issue #20) - Moved `__ffs` function from `utilities.h` to `spi-board.c`. This function is only used there - Added support for the US915 band (Normal mode and hybrid mode. Hybrid mode is a temporary configuration up until servers support it automatically) (Issue #16) - Replaced the usage of `__IO` attribute by `volatile` - Renamed `LoRaMacEvent_t` into `LoRaMacCallbacks_t` and added a function pointer for getting battery level status - Renamed `LoRaMacSetDutyCycleOn` into `LoRaMacSetTestDutyCycleOn` - Renamed `LoRaMacSetMicTest` into `LoRaMacTestSetMic` - Increased the PHY buffer size to 250 - `LoRaMacEventInfo.TxDatarate` now returns LoRaWAN data rate (DR0 -> DR7) instead of (SF12 -> DF7) - `LoRaMac-board.h` now implements the settings for the PHY layers specified by LoRaWAN 1.0 specification. (EU433, CN780, EU868, US915) (Issue #19) ### Removed - Removed `NULL` definition from `board.h` - Removed the definition of `RAND_SEED`. It has been replaced by a function named `BoardGetRandomSeed` - Removed `fputc` function redefinition from `Utilities.c` - Removed the usage of `PACKED` attribute for data structures - Removed `IsChannelFree` check on `LoRaMacSetNextChannel` function. LoRaWAN is an ALHOA protocol. (Pull request #8) ### Fixed - Fixed timings comments. Timing values are most of the time us based - Fixed and simplified the downlink sequence counter management - Fixed channel mask management for EU868 band - Fixed `LoRaMacPrepareFrame` function behavior when no applicative payload is present - Fixed `MacCommandBufferIndex` management. (Issue #18) ## [3.3.0] - 2015-08-07 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Added - Added the support for LoRaWAN Class C devices - Added the possibility to change the channel mask and number of repetitions trough SRV_MAC_LINK_ADR_REQ command when ADR is disabled ### Changed - Increased FSK SyncWord timeout value in order to listen for longer time if a down link is available or not. Makes FSK downlink more reliable - Increased the UART USB FIFO buffer size in order to handle bigger chunks of data - Renamed data rates as per LoRaWAN specification - Changed confirmed messages function to use default datarate when ADR control is off - After a Join accept the node falls back to the default datarate. Enables the user to Join a network using a different datarate from its own default one - Moved the MAC commands processing to the right places. FOpts field before the Payload and Port 0 just after the decryption. (Pull request #9) ### Fixed - Implemented the radios errata note workarounds. SX1276 errata 2.3 "Receiver Spurious Reception of a LoRa Signal" is not yet implemented - Fixed handling of the MAC commands which was done incorrectly the condition to verify the length of the buffer has changed from `<` to `<=` - Fixed `Rx1DrOffset` management. In previous version DR1 was missing for all offsets - Fixed default FSK channel frequency - Fixed a firmware freeze when one of the following situations arrived in `OnRxDone` callback: bad address, bad MIC, bad frame. (Pull request #10) - Fixed weird conditions to check data rate on MAC command `SRV_MAC_NEW_CHANNEL_REQ` (Pull request #7) - Fixed join accept message handling to be ignored if already joined (Pull request #6) - Fixed channel index verification should use OR on `SRV_MAC_NEW_CHANNEL_REQ` command (Pull request #5) - Fixed the CFList management on JoinAccept. The `for` loop indexes were wrong. (Pull request #4) - Fixed AES key size (Pull request #3) ## [3.2.0] - 2015-04-30 ### General - Release based on "LoRaWAN specification 1.0.0" - GitHub reported issues corrections ### Added - Added the support of packed structures when using IAR tool chain - Added a function to get the time in us - Added a typedef for time variables (TimerTime_t) - Added a function that returns if the GPS has a fix or not - Added missing MAC commands and updated others when necessary - Corrected the Port 0 MAC commands decryption - Changed the way the upper layer is notified. Now it is only notified when all the operations are finished When a ClassA Tx cycle starts a timer is launched to check every second if everything is finished - Added a new parameter to `LoRaMacEventFlags` structure that indicates on which Rx window the data has been received - Added a new parameter to `LoRaMacEventFlags` structure that indicates if there is applicative data on the received payload - Corrected ADR MAC command behavior - DutyCycle enforcement implementation (EU868 PHY only) **REMARK 1** *The regulatory duty cycle enforcement is enabled by default which means that for lower data rates the node may not transmit a new frame as quickly as requested The formula used to compute the node idle time is* Toff = TimeOnAir / DutyCycle - TxTimeOnAir *Example:* *A device just transmitted a 0.5 s long frame on one default channel This channel is in a sub-band allowing 1% duty-cycle. Therefore this whole sub-band (868 MHz - 868.6 MHz) will be unavailable for 49.5 s.* **REMARK 2** *The duty cycle enforcement can be disabled for test purposes by calling the `LoRaMacSetDutyCycleOn` function with false parameter.* - Implemented aggregated duty cycle management - Added a function to create new channels - Implemented the missing features on the JoinAccept MAC command - Updated LoRaMacJoinDecrypt function to handle the CFList field - Added the possibility to chose to use either public or private networks ### Changed - Cosmetic updates - Changed the TimeOnAir radio function to return a uint32_t value instead of a double. The value is in us - Changed the GetPosition functions to return a latitude and longitude of 0 and altitude of 65535 when no GPS fix - Due to duty cycle management the applicative API has changed All applications must be updated accordingly ### Removed - Removed support for previous LoRaMac/LoRaWAN specifications ### Fixed - Fixed the 250 kHz bandwidth choice for the FSK modem ## [3.1.0] - 2015-01-30 ### General - Release based on "LoRaMac specification R3.0.0" - GitHub reported issues corrections ### Added - Started to add support for CooCox CoIDE Integrated Development Environment Currently only LoRaMote and SensorNode platform projects are available - Added the support of different tool chains for the `HardFault_Handler` function - Added an invalid bandwidth to the Bandwidths table in order to avoid an error when selecting 250 kHz bandwidth when using FSK modem - Added another timer in order increment the tick counter without blocking the normal timer count - Added the possibility to switch between low power timers and normal timers on the fly - Added an I2C EEPROM driver - Added the possibility to analyze an hard fault interrupt - Added the possibility to configure almost all the MAC parameters - Added the functions to read the Up and Down Link sequence counters ### Changed - Updated GCC compiler linker scripts - Changed the RSSI values type from int8_t to int16_t. We can have RSSI values below -128 dBm - Updated radio API to support FHSS and CAD handling - Changed all structures declarations to be packed - Automatically activate the channel once it is created ### Fixed - Fixed Radio drivers I&Q signals inversion to be possible in Rx and in Tx Added some missing radio state machine initialization - Fixed SNR computation on RxDone interrupt - Fixed in `SetRxConfig` function the FSK modem preamble register name - Fixed RTC alarm setup which could be set to an invalid date - Fixed I2C driver by correcting the 2 bytes internal address management Corrected buffer read function when more that 1 byte was to be read Added a function to wait for the I2C bus to become IDLE - Fixed and improved USB Virtual COM Port management files Corrected the USB CDC and USB UART drivers - Fixed RxWindow2 data rate management - Fixed `SrvAckRequested` variable was never reset - Fixed tstIndoor applications for LoRaMac R3.0 support - Fixed the `LoRaMacSetNextChannel` function - Fixed the port 0 MAC command decoding - Fixed the Acknowledgment retries management when only 1 trial is needed Before the device was issuing at least 2 trials - Fixed server mac new channel req answer - Fixed `SRV_MAC_RX2_SETUP_REQ` frequency handling Added a x100 multiplication - Fixed `SRV_MAC_NEW_CHANNEL_REQ` Removed the DutyCycle parameter decoding - Fixed `NbRepTimeoutTimer` initial value. `RxWindow2Delay` already contains `RxWindow1Delay` in it ## [3.0.0] - 2014-07-18 ### General - Release based on "LoRaMac specification R3.0.0" - GitHub reported issues corrections ### Added - Added to Radio API the possibility to select the modem ### Changed - Changed radio callbacks events to timeout when it is a timeout event and error when it is a CRC error - Radio API updated - Updated ping-pong applications - Updated tx-cw applications - Updated LoRaMac applications in order to handle LoRaMac returned functions calls status - Updated LoRaMac applications to toggle LED2 each time there is an application payload down link - Updated tstIndoor application to handle correctly more than 6 channels - Changed the MPL3115 altitude variable from unsigned to signed value - Changed the usage of pow(2, n) by defining POW2 functions Saves ~2 KBytes of code - MAC commands implemented - LinkCheckReq **YES** - LinkCheckAns **YES** - LinkADRReq **YES** - LinkADRAns **YES** - DutyCycleReq **YES** - DutyCycleAns **YES** - Rx2SetupReq **YES** - Rx2SetupAns **YES** - DevStatusReq **YES** - DevStatusAns **YES** - JoinReq **YES** - JoinAccept **YES** - NewChannelReq **YES** - NewChannelAns **YES** - Features implemented - Possibility to shut-down the device **YES** (Possible by issuing DutyCycleReq MAC command) - Duty cycle management enforcement **NO** - Acknowledgments retries **YES** - Unconfirmed messages retries **YES** ### Fixed - Fixed RSSI reading formulas as well as changed the RSSI and SNR values from double to int8_t type - Fixed an issue potentially arriving when LOW_POWER_MODE_ENABLE wasn't defined A timer interrupt could be generated while the TimerList could already be emptied ## [2.3.0-RC2] - 2014-07-10 ### General - Release based on "LoRaMac specification R2.2.1" - GitHub reported issues corrections ### Fixed - Fixed all radios antenna switch low power mode handling - Fixed SX1276 antenna switch control ## [2.3.0-RC1] - 2014-06-06 ### General - GitHub reported issues corrections ### Added - Added the support for SX1276 radio - Added Bleeper-76 and SensorNode platforms support - Added to the radio drivers a function that generates a random value from RSSI readings - Added a project to transmit a continuous wave and a project to measure the the radio sensitivity - Added a bootloader project for the LoRaMote and SensorNode platforms - Added a function to the timer driver that checks if a timer is already in the list or not - Added the UART Overrun bit exception handling to the UART driver ### Changed - Radio driver RxDone callback function API has changed (size parameter is no more a pointer) - Previous function prototype: `void ( *RxDone )( uint8_t *payload, uint16_t *size, double rssi, double snr, uint8_t rawSnr );` - New function prototype: `void ( *RxDone )( uint8_t *payload, uint16_t size, double rssi, double snr, uint8_t rawSnr );` - The LoRaMac application for Bleeper platforms now sends the Selector and LED status plus the sensors values - The application payload for the Bleeper platforms is as follows: LoRaMac port 1: { 0xX0/0xX1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } ---------- ---------- ---------- ---------- ---- | | | | | SELECTOR/LED PRESSURE TEMPERATURE ALTITUDE BATTERY MSB nibble = SELECTOR (barometric) LSB bit = LED - Redefined `rand()` and `srand()` standard C functions. These functions are redefined in order to get the same behavior across different compiler tool chains implementations - GPS driver improvements. Made independent of the board platform - Simplified the RTC management - MAC commands implemented - LinkCheckReq **YES** - LinkCheckAns **YES** - LinkADRReq **YES** - LinkADRAns **YES** - DutyCycleReq **YES** (LoRaMac specification R2.2.1) - DutyCycleAns **YES** (LoRaMac specification R2.2.1) - Rx2SetupReq **YES** (LoRaMac specification R2.2.1) - Rx2SetupAns **YES** (LoRaMac specification R2.2.1) - DevStatusReq **YES** - DevStatusAns **YES** - JoinReq **YES** - JoinAccept **YES** (LoRaMac specification R2.2.1) - NewChannelReq **YES** (LoRaMac specification R2.2.1) - NewChannelAns **YES** (LoRaMac specification R2.2.1) - Features implemented - Possibility to shut-down the device **YES** (Possible by issuing DutyCycleReq MAC command) - Duty cycle management enforcement **NO** - Acknowledgments retries **WORK IN PROGRESS** (Not fully debugged. Disabled by default) - Unconfirmed messages retries **WORK IN PROGRESS** (LoRaMac specification R2.2.1) - Due to new specification the `LoRaMacInitNwkIds` LoRaMac API function had to be modified - Previous function prototype: `void LoRaMacInitNwkIds( uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey );` - New function prototype: `void LoRaMacInitNwkIds( uint32_t netID, uint32_t devAddr, uint8_t *nwkSKey, uint8_t *appSKey );` - Changed the LoRaMac channels management - LoRaMac channels definition has been moved to `LoRaMac-board.h` file located in each specific board directory ### Removed - Removed dependency of spi-board files to the `__builtin_ffs` function This function is only available on GNU compiler tool suite Removed --gnu compiler option from Keil projects Added own `__ffs` function implementation to `utilities.h` file - Removed obsolete class1 devices support ### Fixed - Fixed Radio continuous reception mode ## [2.2.0] - 2014-04-07 ### General - GitHub reported issues corrections ### Added - Added IMST SK-iM880A starter kit board support to the project - The application payload for the SK-iM880A platform is as follows: LoRaMac port 3: { 0x00/0x01, 0x00, 0x00, 0x00 } ---------- ----- ---------- | | | LED POTI VDD ### Changed - Ping-Pong applications have been split per supported board - Made fifo functions coding style coherent with the project - UART driver is now independent of the used MCU ### Fixed - Fixed the SX1272 output power management - Added a variable to store the current Radio channel - Added missing FSK bit definition ## [2.1.0] - 2014-03-28 ### General - GitHub reported issues corrections ### Added - Added to the radio driver the possibility to choose the preamble length and rxSingle symbol timeout in reception - Added Hex coder selector driver for the Bleeper board - Added acknowledgments retries management - Split the `LoRaMacSendOnChannel` function in `LoRaMacPrepareFrame` and `LoRaMacSendFrameOnChannel` `LoRaMacSendOnChannel` now calls the 2 newly defined functions **WARNING**: By default the acknowledgment retries specific code isn't enabled The current http://iot.semtech.com server version doesn't support it - Added `LORAMAC_EVENT_INFO_STATUS_MAC_ERROR` event info status ### Changed - The timers and RTC management has been rewritten - Improved the UART and UP501 GPS drivers - Changed copyright Unicode character to (C) in all source files - MAC commands implemented - LinkCheckReq **YES** - LinkCheckAns **YES** - LinkADRReq **YES** - LinkADRAns **YES** - DevStatusReq **YES** - DevStatusAns **YES** - JoinReq **YES** - JoinAccept **YES** ### Fixed - Fixed GPIO pin names management - Fixed the antenna switch management in the SX1272 driver - Fixed issues on JoinRequest and JoinAccept MAC commands ## [2.0.0] - 2014-02-21 ### General - GitHub reported issues corrections ### Added - Added new MAC layer application API implementation - Added sensors drivers implementation ### Changed - The LoRaMac applications now sends the LED status plus the sensors values For the LoRaMote platform the application also sends the GPS coordinates - The application payload for the Bleeper platform is as follows: LoRaMac port 1: { 0x00/0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } ---------- ---------- ---------- ---------- ---- | | | | | LED PRESSURE TEMPERATURE ALTITUDE BATTERY (barometric) - The application payload for the LoRaMote platform is as follows: LoRaMac port 2: { 0x00/0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } ---------- ---------- ---------- ---------- ---- ---------------- ---------------- ---------- | | | | | | | | LED PRESSURE TEMPERATURE ALTITUDE BATTERY LATITUDE LONGITUDE ALTITUDE (barometric) (gps) - Changed applications examples according to the new MAC layer API - MAC commands implemented - LinkCheckReq **YES** - LinkCheckAns **YES** - LinkADRReq **YES** - LinkADRAns **YES** - DevStatusReq **YES** - DevStatusAns **YES** - JoinReq **YES (Not tested)** - JoinAccept **YES (Not tested)** ### Known bugs - Still some issues with RTC/Timer. Will be solved in a future version ## [1.1.0] - 2014-01-24 ### General - GitHub reported issues corrections ### Added - Implemented an application LED control - If the server sends on port 1 an application payload of one byte with the following contents: 0: LED off 1: LED on - The node transmits periodically on port 1 the LED status on 1st byte and the message "Hello World!!!!" the array looks lik { 0, 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!', '!', '!', '!' } ### Changed - MAC commands implemented - LinkCheckReq **NO** - LinkCheckAns **NO** - LinkADRReq **YES** - LinkADRAns **YES** - DevStatusReq **YES** - DevStatusAns **YES** ### Known bugs - There is an issue when launching an asynchronous Timer. Will be solved in a future version ## [1.1.0-RC1] - 2014-01-20 ### Added - Added Doc directory. The directory contains: - LoRa MAC specification - Bleeper board schematic ### Changed - Changed LoRaMac according to Release1 of the specification. Main changes are: - MAC API changed - Frame format - ClassA first ADR implementation - MAC commands implemented - LinkCheckReq **NO** - LinkCheckAns **NO** - LinkADRReq **YES** - LinkADRAns **NO** - DevStatusReq **NO** - DevStatusAns **NO** - Timers and RTC rewriting. Known bugs are: - The Radio wakeup time is taken in account for all timings - When opening the second reception window the microcontroller sometimes doesn't enter in low power mode ## [1.0.0] - 2013-11-28 ### General - Initial version of the LoRa MAC node firmware implementation