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CHANGELOG.md

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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.

0.2.3 - 2024-01-16

Changed

  • Updated dependencies.
  • circuits_i2c - either version 1.x or 2.x can now be used with this library.

0.2.2 - 2023-11-28

Changed

  • Flag bad values from the SHT4X so that they aren't used. Bad values include the 0x8000/0x8000 bad report and values outside of 0-100 RH and -40-125C
  • Add SHT4X.soft_reset/1

0.2.1 - 2023-08-30

Bug Fixes

  • SHT4X.Measurement's types have been updated to ensure :humidity_rh and :temperature_c are float()
  • The hard-coded :unusable measurement value has been updated to return floats as expected.

0.2.0 - 2023-07-14

Changed

  • SHT4X regularly polls temperature and humidity at 5 second intervals (configurable). Regular polling is required for temperature compensation algorithms.
  • The SHT4X.measure/1 function is now SHT4X.get_sample/1 to reflect that it returns the latest sample rather than polling the sensor. The SHT4X.Measurement struct contains a timestamp and quality information to indicate how stale it is. Staleness could be due to communication issues with the sensor or just waiting for the next poll time.
  • The sensor's serial number is not polled on init. This means that I2C failures or retry delays won't delay or fail startup. They likely will affect the regular polling if they don't resolve themselves.

Added

  • SHT4X.serial_number/1 to get the sensor's unique serial number
  • The sensor is immediately polled for a temperature. Previously the first temperature measurement was delayed until the interval timer expired (default 5 seconds).

0.1.4 - 2023-02-01

Improvements

  • Catch errors from the transport initialization (thanks to @doawoo)

0.1.3 - 2022-12-10

Improvements

  • Correct typespecs
  • Change use Bitwise to import Bitwise per warning
  • Improve docs
  • Allow users to pass in a :retries option for the I2C transport (thank you @doawoo)
  • Update dependencies

0.1.2 - 2022-02-11

Improvements

  • Simplified the transport-related code
  • Refactor the top-level module

Added

  • typed_struct
  • circuit_i2c

Removed

  • i2c_server
  • mox

0.1.1 - 2021-08-27

Added

  • Derived dew_point_c value

0.1.0 - 2021-08-23

Added

  • Initial release