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Release 4.5.2
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mluis1 committed May 31, 2021
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61 changes: 58 additions & 3 deletions CHANGELOG.md
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## [Unreleased]

## [4.5.1] - 2021-01-18
## [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 support NVM storage. 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

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- 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
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- 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
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\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2013-2020 Semtech
(C)2013-2021 Semtech

___ _____ _ ___ _ _____ ___ ___ ___ ___
/ __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __|
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The aim of this project is to show an example of an end-device LoRaWAN stack implementation.

This project has 2 active branches in place.
This project has 1 active branches in place.

| Branch | L2 spec | RP spec | Tag/Milestone | Class | Comments |
| ------------- |:-------------:|:---------:|:---------:|:---------:|:--------------|
| | [1.0.4](https://lora-alliance.org/resource-hub/lorawan-104-specification-package) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [v4.5.1](https://github.com/Lora-net/LoRaMac-node/releases/tag/v4.5.1) | A/B/C | LoRaWAN L2 1.0.4 - **_Released_** |
| | [1.0.4](https://lora-alliance.org/resource-hub/lorawan-104-specification-package) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [v4.5.2](https://github.com/Lora-net/LoRaMac-node/releases/tag/v4.5.2) | A/B/C | LoRaWAN L2 1.0.4 - **_Released_** |
| | [1.0.3](https://lora-alliance.org/resource-hub/lorawanr-specification-v103) | [v1.0.3revA](https://www.lora-alliance.org/resource-hub/lorawanr-regional-parameters-v103reva) | [v4.4.7](https://github.com/Lora-net/LoRaMac-node/releases/tag/v4.4.7) | A/B/C | LoRaWAN L2 1.0.3 - **_Released_ (last release based on 1.0.3)** |
| [master](https://github.com/Lora-net/LoRaMac-node/tree/master) | [1.0.4](https://lora-alliance.org/resource-hub/lorawan-104-specification-package) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [M4.5.2](https://github.com/Lora-net/LoRaMac-node/milestone/9) | A/B/C | LoRaWAN L2 1.0.4 |
| [develop](https://github.com/Lora-net/LoRaMac-node/tree/develop) | [1.0.4](https://lora-alliance.org/resource-hub/lorawan-104-specification-package) / [1.1.1](https://lora-alliance.org/resource-hub/lorawanr-specification-v11) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [M 4.6.0](https://github.com/Lora-net/LoRaMac-node/milestone/3) | A/B/C | LoRaWAN L2 1.0.4 / 1.1.1 |
| [master](https://github.com/Lora-net/LoRaMac-node/tree/master) | [1.0.4](https://lora-alliance.org/resource-hub/lorawan-104-specification-package) / [1.1.1](https://lora-alliance.org/resource-hub/lorawanr-specification-v11) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [M 4.6.0](https://github.com/Lora-net/LoRaMac-node/milestone/3) | A/B/C | LoRaWAN L2 1.0.4 / 1.1.1 |

This project fully implements ClassA, ClassB and ClassC end-device classes and it also provides SX1272/73, SX1276/77/78/79, SX1261/2 and LR1110 radio drivers.

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* ping-pong.bin - binary format
* ping-pong.hex - hex format

### Serial console NVM management

The `periodic-uplink-lpp` and `fuota-test-01` examples allow to reset the NVM storage through the serial interface.

In order to reset the NVM contents one must hit `ESC` + `N` keyboard keys on a serial terminal.

The serial terminal will show the following after `ESC` + `N` keyboard keys are hit. After reseting the end-device the clean NVM will be used.

```text
ESC + N
NVM factory reset succeed
PLEASE RESET THE END-DEVICE
```

## Acknowledgments

* The mbed (https://mbed.org/) project was used at the beginning as source of
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