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Changelog

This page tracks all notable changes in CHESTER catalog application firmware since v3.0.0 (Cloud v2 migration).

v3.5.4 (2026-04-14)​

SDK / Common​

  • Added runtime CHESTER-Z detection — single firmware works with or without Z module
  • Added shell command for 1-Wire (W1) bus scanning
  • Deploy script updated with CLI arguments and complete app list

CHESTER Clime​

  • Runtime CHESTER-Z detection — removed separate Clime Z variant
  • Fixed build failure for IAQ variant when both Z and X10 features are present

CHESTER Control​

  • Added dual X0 module variant (CHESTER Control 8Ch Z) with CHESTER-Z support

v3.5.3 (2026-03-06)​

CHESTER Serial​

  • Added CHESTER Serial as a new catalog application
  • Supports RS-485 (CHESTER-X2, multi-drop, up to 8 devices) and RS-232 (CHESTER-X12, point-to-point)

v3.5.2 (2026-03-10)​

SDK / Common​

  • Added I2C, MCUboot, and GPIO shell commands to all applications
  • Changed default LTE mode to lte-m,nb-iot (automatic NB-IoT fallback)
  • Moved CHESTER Counter and CHESTER Signal to _legacy folder

GNSS​

  • Added configurable M8 initialization priority via Kconfig

v3.5.1 (2025-12-08)​

SDK / Common​

  • Cloud metrics API added — exposes uplink/downlink counters, errors, and diagnostics
  • Soft timeout support for cloud send/downlink operations
  • Dangerous config commands filtered from cloud downloads
  • Common aggregation data structure (ctr_data_aggreg) introduced across all apps
  • Configurable LTE attach policy (aggressive, periodic, progressive)
  • Improved LTE low-power handling for networks without PSM

CHESTER Clime​

  • New variants: SPS30 (particulate matter), Radon, TC (thermocouple)
  • Enabled DS18B20 (1-Wire) temperature sensors for all variants
  • Removed legacy Clime 1W and Clime 1WH variants (merged into base)
  • Merged Radon application into Clime as a variant
  • Added soil sensor LoRaWAN encoding
  • Added downlink watchdog

CHESTER Control​

  • Added LoRaWAN support with encode/decode tests
  • Added Z variant
  • Added support for CHESTER X9
  • Added soil sensor support
  • Added delta value to counter aggregations
  • Fixed missing mutex unlock

CHESTER Current​

  • Added shell commands for channel calibration
  • Improved LoRaWAN support
  • Fixed calibration range, added downlink watchdog

CHESTER Meteo​

  • Added CHESTER Meteo M variant (Modbus RTU — Lambrecht, Sensecap/OPM sensors)
  • Added soil sensor support
  • Added LoRaWAN support
  • Improved pyranometer support

CHESTER Scale​

  • Added LoRaWAN (LRW) support

CHESTER Motion​

  • Added as a new catalog application — PIR-based motion detection

CHESTER wM-Bus​

  • Added as a new catalog application
  • Added enroll (teach) mode for device pairing
  • Added scan all with cloud-decode config support
  • Added shell send command

v3.3.0 (2025-07-14)​

SDK / Common​

  • Updated all catalog apps to v3.3.0
  • BLE tag subsystem improvements: increased tag slots to 32, reduced RAM impact, improved enroll behavior
  • Configuration subsystem: added factory reset, HEX config item, per-item parse callback
  • Fixed mutex deadlocks in BLE tag aggregation across all applications
  • LoRaWAN: fixed keys to use HEX config item, fixed datarate range

CHESTER Clime​

  • Added project generator integration
  • Added LoRa support for IAQ variant
  • Fixed thermocouple #ifdef guards

CHESTER Control​

  • Ported to Cloud v2 with project generator
  • Added X4 line threshold values
  • 6x button press enables X9 outputs

CHESTER Current​

  • Ported to Cloud v2 with project generator
  • Added ChirpStack decoder

CHESTER Push​

  • Ported to Cloud v2 with project generator

CHESTER Range​

  • Ported to Cloud v2 with BLE tag support

CHESTER Scale​

  • Ported to Cloud v2

CHESTER Demo​

  • Added network parameters and BLE support

v3.0.0 (2024-07-17)​

SDK / Common​

  • Major release: Migration from Cloud v1 to Cloud v2 protocol
  • Introduced project generator (west chester-update) for variant management
  • Added LTE v2 subsystem with state machine architecture
  • Added GNSS support
  • Added LED fading sequencer
  • VERSION files introduced for all applications
  • BLE tag subsystem: early scan stop, configurable scan duration

CHESTER Clime​

  • First application ported to Cloud v2
  • Added 1-Wire in default variant

CHESTER Meteo​

  • Ported to Cloud v2
  • Added pyranometer support (Meteo P variant)