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.

Unreleased

Added

Allow to request only the last X samples when doing a data download (implement Requested Samples Characterisitc on Download Service)

[1.3.2] - 2024-06-19

Fixed

Change string import to from <string.h> to
Reporting age for latest samples needs to be in milli-seconds

[1.3.1] - 2024-04-17

Fixed

Fixed dependency list (Sensirion_UPT_Core was renamed 'Sensirion UPT Core')
Added missing include <string.h> in ByteArray.h

[1.3.0] - 2024-03-25

Added

Added support for FRC Characteristic (see Example8_SCD4x_BLE_Gadget_with_RHT)

Changed

Reorganized examples
Updated to Sensirion UPT Core 0.3.0 -> replaced usage of converterFunction by encodingFunction

[1.2.0] - 2023-04-17

Added

Support for Battery BLE Service you can use to indicate the battery level (see Example1_MockedReadings).
Battery Level Service
PlatformIO support

Changed

Extract BLE Configuration into UPT Core Dependency
characteristicSetValue and characteristicNotify of IBLELibraryWrapper now return a bool indiciating whether the set/notify was successful

[1.1.0] - 2022-09-08

Added

BLE Protocol Documentation
Compilation step in GitLab CI

1.0.0 - 2022-07-28

Added

Wrapper for BLE library
New WiFi library, wrapped

Changed

Code base refactored
NimBLE instead of standard Arduino BLE library

0.14.0 - 2022-06-03

Added

Support CO2 only DIY gadgets
Support PM1.0, PM2.5, PM4, PM10 data type
Update examples to use the official Sensirion Arduino drivers

0.13.0 - 2022-01-19

Added

SEN54 Example code and tutorial
SEN55 Example code and tutorial
SVM41 Example code and tutorial

0.12.0 - 2022-01-12

Added

New sample types allowing PM2P5 values > 1000 (up to 6552)
- T_RH_CO2_PM25_V2
- T_RH_CO2_VOC_NOX_PM25_V2
- T_RH_VOC_NOX_PM2P5_V2

0.11.0 - 2021-11-10

Added

New sample type for T_RH_CO2_VOC_NOX_PM25

0.10.0 - 2021-09-08

Added

New sample type for T_RH_VOC_NOX
New sample type for T_RH_VOC_NOX_PM2P5

0.9.0 - 2021-05-11

Added

Add new data type: T_RH_CO2_VOC_PM25_HCHO

Changed

Tutorial adjustments

0.8.0 - 2021-03-10

Added

SEN44 Example code and tutorial

0.7.1 - 2021-01-22

Fixed

Fix library.properties

0.7.0 - 2021-01-22

Added

SCD4x EvalKit BLE Gadget example using T_RH_CO2 DataType.
SCD4x EvalKit Tutorial

Fixed

DataType of T_RH_V4 SampleType model

0.6.0 - 2020-12-18

Added

HCHO unit and T_RH_HCHO datatype.
SVM40 BLE Gadget example using T_RH_VOC DataType.
SFA30 BLE Gadget example using T_RH_HCHO DataType.
SCD30 BLE Gadget example using T_RH_CO2 DataType.
Setup Tutorials for SCD30, SVM40 and SFA30 examples.

0.5.0 - 2020-12-14

Added

Enable GENERIC gadget type support with MyAmbience v2.0 app.

0.4.2 - 2020-12-03

Fixed

Fix current app compatibility, which only supports DataType T_RH_CO2_ALT yet.

0.4.1 - 2020-12-03

Fixed

Compile issues on Windows.

0.4.0 - 2020-12-02

Added

Configurable Wifi credentials via BLE and usage example.
Support for more DataTypes: T_RH_VOC, T_RH_V3, T_RH_V4, T_RH_CO2_PM25 and T_RH_VOC_PM25.
Ability to switch the used DataType during operation.

Changed

Gadget name is changed to a generic identifier.
DataType initialisation.

0.3.0 - 2020-11-18

Added

Example 3: SCD30 monitor on the LILYGO TTGO T-Display board with UI.

Fixed

Pass CO2 value as float in SCD30 example.

Changed

Type changes from int to uint16_t, whereever the BLE protocol requries it.
Replace C style casts with their C++ counterparts.

0.2.0 - 2020-11-17

Changed

All writeXX functions expect a float as sensor value.
Removed all unnecessary internal static variables.

Fixed

Datatype used in Arduino Example 1 changed to T_RH_CO2_ALT.
Download protocol internals related to sample count characteristic.
History buffer size and capacity computations.

0.1.0 - 2020-11-16

Added

Initial release supporting T_RH_CO2_ALT datatype only.