CHANGELOG.md

Changelog

Notes

• The Bluetooth and CAN connections are still not stable on some systems. If you want to have a stable connection use the serial connection.

Breaking changes

• Driver version greater or equal to v1.2.20240219beta

  • The temperature limitation variables where changed to match the other variable names.

    OLD

    TEMPERATURE_LIMITS_WHILE_CHARGING, TEMPERATURE_LIMITS_WHILE_DISCHARGING

    NEW

    TEMPERATURES_WHILE_CHARGING, TEMPERATURES_WHILE_DISCHARGING

  • The SoC limitation variables where changed to match the cell voltage and temperature config.

    OLD

    CC_SOC_LIMIT1, CC_SOC_LIMIT2, CC_SOC_LIMIT3

    CC_CURRENT_LIMIT1_FRACTION, CC_CURRENT_LIMIT2_FRACTION, CC_CURRENT_LIMIT3_FRACTION

    DC_SOC_LIMIT1, DC_SOC_LIMIT2, DC_SOC_LIMIT3

    DC_CURRENT_LIMIT1_FRACTION, DC_CURRENT_LIMIT2_FRACTION, DC_CURRENT_LIMIT3_FRACTION

    NEW

    SOC_WHILE_CHARGING, MAX_CHARGE_CURRENT_SOC_FRACTION, SOC_WHILE_DISCHARGING, MAX_DISCHARGE_CURRENT_SOC_FRACTION

• Driver version greater or equal to v1.1.20231223beta

  • PUBLISH_CONFIG_VALUES now has to be True or False

• Driver version greater or equal to v1.0.20231128beta

  • The custom name is not saved to the config file anymore, but to the dbus service com.victronenergy.settings. You have to re-enter it once.

  • If you selected a specific device in Settings -> System setup -> Battery monitor and/or Settings -> DVCC -> Controlling BMS you have to reselect it.

• Driver version greater or equal to v1.0.20230629beta and smaller or equal to v1.0.20230926beta:

  With v1.0.20230927beta the following values changed names:

  • BULK_CELL_VOLTAGE -> SOC_RESET_VOLTAGE
  • BULK_AFTER_DAYS -> SOC_RESET_AFTER_DAYS

v1.2.20240408

• Added: Check if the device instance is already used by @mr-manuel
• Added: Check if there is enough space on system and data partitions before installation by @mr-manuel
• Added: LLT/JBD BLE BMS - Added MAC address as unique identifier. Fixed #970 by @mr-manuel
• Added: Reset calculated SoC to 0%, if battery is empty by @mr-manuel
• Added: Venus OS version to logfile by @mr-manuel
• Changed: Config: SoC limitation is now disabled by default, since in most use cases it's very inaccurate by @mr-manuel
• Changed: Config: SoC limitation variables where changed to match other setting variables by @mr-manuel
• Changed: Config: Temperature limitation variables where changed to match other setting variables by @mr-manuel
• Changed: Daly BMS - Fixed some smaller errory with mr-manuel#22 and mr-manuel#23 by @transistorgit
• Changed: Fixed CAN installation with #1007 by @p0l0us
• Changed: Fixed non-working can-bus dependency with #1007 by @p0l0us
• Changed: Fixed showing None SoC in log in driver start by @mr-manuel
• Changed: Fixed some other errors when restoring values from dbus settings by @mr-manuel
• Changed: Fixed some SOC calculation issues by @mr-manuel
• Changed: Fixed Time-to-SoC and Time-to-Go calculation by @mr-manuel
• Changed: Set CCL/DCL to 0, if allow to charge/discharge is no, fixes #1024 by @mr-manuel
• Changed: Install script now shows repositories and version numbers by @mr-manuel
• Changed: JKBMS BLE - Fixed driver gets unresponsive, if connection is lost #720 with #941 by @cupertinomiranda
• Changed: JKBMS BLE - Fixed driver not starting for some BMS models that are not sending BLE data correctly #819 by @mr-manuel
• Changed: JKBMS BLE - Fixed temperature issue #916 by @mr-manuel
• Changed: JKBMS CAN - Fixed different BMS versions with mr-manuel#24 by @p0l0us
• Changed: LLT/JBD BMS & BLE - If only one temperature is available use it as battery temp. Fixed #971 by @mr-manuel
• Changed: Optimized reinstall-local.sh. Show installed version and restart GUI only on changes by @mr-manuel
• Changed: Reinstallation of the driver now checks, if packages are already installed for Bluetooth and CAN by @mr-manuel
• Changed: Show ForceChargingOff, ForceDischargingOff and TurnBalancingOff only for BMS that support it by @mr-manuel
• Changed: SocResetLastReached not read from dbus settings. Fixed #840 by @mr-manuel
• Removed: Python 2 compatibility by @mr-manuel

v1.1.20240121

• Changed: Exit the driver with error, when port is excluded in config, else the serialstarter does not continue by @mr-manuel
• Changed: Fixed issue on first driver startup, when no device setting in dbus exists by @mr-manuel
• Changed: Fixed some smaller errors by @mr-manuel
• Changed: More detailed error output when an exception happens by @mr-manuel

Known issues for v1.1.20240121

• If multiple batteries have the same unique_identifier, then they are displayed as one battery in the VRM portal and if you change the name, it get changed for all dbus-serialbattries. Please change the capacity of the batteries to be unique (if the unique identifier ends with Ah) or change the custom field on supported BMS. E.g.: 278 Ah, 279 Ah,280 Ah,281 Ah and 282 Ah, if you have 5 batteries with 280 Ah.

v1.0.20240102beta

• Added: Bluetooth: Show signal strength of BMS in log by @mr-manuel
• Added: Configure logging level in config.ini by @mr-manuel
• Added: Create unique identifier, if not provided from BMS by @mr-manuel
• Added: Current average of the last 5 minutes by @mr-manuel
• Added: Daly BMS - Auto reset SoC when changing to float (can be turned off in the config file) by @transistorgit
• Added: Daly BMS connect via CAN (experimental, some limits apply) with #169 by @SamuelBrucksch and @mr-manuel
• Added: Exclude a device from beeing used by the dbus-serialbattery driver by @mr-manuel
• Added: Implement callback function for update by @seidler2547
• Added: JKBMS BLE - Automatic SOC reset with #736 by @ArendsM
• Added: JKBMS BLE - Show last five characters from the MAC address in the custom name (which is displayed in the device list) by @mr-manuel
• Added: JKBMS BMS connect via CAN (experimental, some limits apply) by @IrisCrimson and @mr-manuel
• Added: LLT/JBD BMS - Discharge / Charge Mosfet and disable / enable balancer switching over remote console/GUI with #761 by @idstein
• Added: LLT/JBD BMS - Show balancer state in GUI under the IO page with #763 by @idstein
• Added: Load to SOC reset voltage every x days to reset the SoC to 100% for some BMS by @mr-manuel
• Added: Possibility to count and calculate the SOC based on reference values with #868 by @cflenker
• Added: Save current charge state for driver restart or device reboot. Fixes #840 by @mr-manuel
• Added: Save custom name and make it restart persistant by @mr-manuel
• Added: Setting and install logic for usb bluetooth module by @Marvo2011
• Added: Temperature names to dbus and mqtt by @mr-manuel
• Added: The device instance does not change anymore when you plug the BMS into another USB port. Fixed #718 by @mr-manuel
• Added: Use current average of the last 300 cycles for time to go and time to SoC calculation by @mr-manuel
• Added: Validate current, voltage, capacity and SoC for all BMS. This prevents that a device, which is no BMS, is detected as BMS. Fixes also #479 by @mr-manuel
• Changed: PUBLISH_CONFIG_VALUES now has to be True or False by @mr-manuel
• Changed: VOLTAGE_DROP now behaves differently. Before it reduced the voltage for the check, now the voltage for the charger is increased in order to get the target voltage on the BMS by @mr-manuel
• Changed: Battery disconnect behaviour. See BLOCK_ON_DISCONNECT option in the config.default.ini file by @mr-manuel
• Changed: Condition for the CVL transition to float with #895 by @cflenker
• Changed: Daly BMS - Fixed #837 by @mr-manuel
• Changed: Daly BMS - Fixed readsentence by @transistorgit
• Changed: Enable BMS that are disabled by default by specifying it in the config file. No more need to edit scripts by @mr-manuel
• Changed: Fixed Building wheel for dbus-fast won't finish on weak systems #785 by @mr-manuel
• Changed: Fixed error in reinstall-local.sh script for Bluetooth installation by @mr-manuel
• Changed: Fixed meaningless Time to Go values by @transistorgit
• Changed: Fixed typo in config.ini sample by @hoschult
• Changed: For BMS_TYPE now multiple BMS can be specified by @mr-manuel
• Changed: Improved battery error handling on connection loss by @mr-manuel
• Changed: Improved battery voltage handling in linear absorption mode by @ogurevich
• Changed: Improved driver disable script by @md-manuel
• Changed: Improved driver reinstall when multiple Bluetooth BMS are enabled by @mr-manuel
• Changed: JKBMS - Driver do not start if manufacturer date in BMS is empty #823 by @mr-manuel
• Changed: JKBMS BLE - Fixed MOSFET Temperature for HW 11 by @jensbehrens & @mr-manuel
• Changed: JKBMS BLE - Fixed recognition of newer models where no data is shown by @mr-manuel
• Changed: JKBMS BLE - Improved driver by @seidler2547 & @mr-manuel
• Changed: LLT/JBD BLE BMS recover from lost BLE connection with #830 by @Marvo2011
• Changed: LLT/JBD BMS - Fixed cycle capacity with #762 by @idstein
• Changed: LLT/JBD BMS - Fixed #730 by @mr-manuel
• Changed: LLT/JBD BMS - Fixed #769 by @mr-manuel
• Changed: LLT/JBD BMS - Fixed #778 with #798 by @idstein
• Changed: LLT/JBD BMS - Improved error handling and automatical driver restart in case of error. Fixed #777 by @mr-manuel
• Changed: LLT/JBD BMS - SOC different in Xiaoxiang app and dbus-serialbattery with #760 by @idstein
• Changed: Make CCL and DCL limiting messages more clear by @mr-manuel
• Changed: Optimized CVL calculation on high cell voltage for smoother charging with #882 by @cflenker
• Changed: Reduce the big inrush current if the CVL jumps from Bulk/Absorbtion to Float #659 by @Rikkert-RS & @ogurevich
• Changed: Sinowealth BMS - Fixed not loading #702 by @mr-manuel
• Changed: Time-to-Go and Time-to-SoC use the current average of the last 5 minutes for calculation by @mr-manuel
• Changed: Time-to-SoC calculate only positive points by @mr-manuel
• Removed: Cronjob to restart Bluetooth service every 12 hours by @mr-manuel

v1.0.20230531

ATTENTION: Breaking changes! The config is now done in the config.ini. All values from the utils.py get lost. The changes in the config.ini will persists future updates.

• Added: self.unique_identifier to the battery class. Used to identify a BMS when multiple BMS are connected - planned for future use by @mr-manuel
• Added: Alert is triggered, when BMS communication is lost by @mr-manuel
• Added: Apply max voltage, if CVCM_ENABLE is False. Before float voltage was applied by @mr-manuel
• Added: Balancing status for JKBMS by @mr-manuel
• Added: Balancing switch status for JKBMS by @mr-manuel
• Added: Balancing switch status to the GUI -> SerialBattery -> IO by @mr-manuel
• Added: Block charge/discharge when BMS communication is lost. Can be enabled trough the config file by @mr-manuel
• Added: Charge Mode display by @mr-manuel
• Added: Check minimum required Venus OS version before installing by @mr-manuel
• Added: Choose how battery temperature is assembled (mean temp 1 & 2, only temp 1 or only temp 2) by @mr-manuel
• Added: Config file by @ppuetsch
• Added: Create empty config.ini for easier user usage by @mr-manuel
• Added: Cronjob to restart Bluetooth service every 12 hours by @mr-manuel
• Added: Daly BMS - Discharge / Charge Mosfet switching over remote console/GUI #26 by @transistorgit
• Added: Daly BMS - Read capacity #594 by @transistorgit
• Added: Daly BMS - Read production date and build unique identifier by @transistorgit
• Added: Daly BMS - Set SoC by @transistorgit
• Added: Daly BMS - Show "battery code" field that can be set in the Daly app by @transistorgit
• Added: Device name field (found in the GUI -> SerialBattery -> Device), that show a custom string that can be set in some BMS, if available by @mr-manuel
• Added: Driver uninstall script by @mr-manuel
• Added: Fix for Venus OS >= v3.00~14 showing unused items #469 by @mr-manuel
• Added: HeltecSmartBMS driver by @ramack
• Added: HighInternalTemperature alarm (MOSFET) for JKBMS by @mr-manuel
• Added: HLPdata BMS driver by @ peterohman
• Added: Improved maintainability (flake8, black lint), introduced code checks and automate release build #386 by @ppuetsch
• Added: Install needed Bluetooth components automatically after a Venus OS upgrade by @mr-manuel
• Added: JKBMS - MOS temperature #440 by @baphomett
• Added: JKBMS - Uniqie identifier and show "User Private Data" field that can be set in the JKBMS App to identify the BMS in a multi battery environment by @mr-manuel
• Added: JKBMS BLE - Balancing switch status by @mr-manuel
• Added: JKBMS BLE - Capacity by @mr-manuel
• Added: JKBMS BLE - Cell imbalance alert by @mr-manuel
• Added: JKBMS BLE - Charging switch status by @mr-manuel
• Added: JKBMS BLE - Discharging switch status by @mr-manuel
• Added: JKBMS BLE - MOS temperature by @mr-manuel
• Added: JKBMS BLE - Show if balancing is active and which cells are balancing by @mr-manuel
• Added: JKBMS BLE - Show serial number and "User Private Data" field that can be set in the JKBMS App to identify the BMS in a multi battery environment by @mr-manuel
• Added: JKBMS BLE driver by @baranator
• Added: LLT/JBD BMS BLE driver by @idstein
• Added: Possibility to add config.ini to the root of a USB flash drive on install via the USB method by @mr-manuel
• Added: Possibility to configure a VOLTAGE_DROP voltage, if you are using a SmartShunt as battery monitor as there is a little voltage difference #632 by @mr-manuel
• Added: Post install notes by @mr-manuel
• Added: Read charge/discharge limits from JKBMS by @mr-manuel
• Added: Recalculation interval in linear mode for CVL, CCL and DCL by @mr-manuel
• Added: Rename TAR file after USB/SD card install to not overwrite the data on every reboot #638 by @mr-manuel
• Added: Reset values to None, if battery goes offline (not reachable for 10s). Fixes #193 #64 by @transistorgit
• Added: Script to install directly from repository by @mr-manuel
• Added: Seplos BMS driver by @wollew
• Added: Serial number field (found in the GUI -> SerialBattery -> Device), that show the serial number or a unique identifier for the BMS, if available by @mr-manuel
• Added: Show charge mode (absorption, bulk, ...) in Parameters page by @mr-manuel
• Added: Show charge/discharge limitation reason by @mr-manuel
• Added: Show MOSFET temperature for JKBMS #440 by @baphomett
• Added: Show serial number (used for unique identifier) and device name (custom BMS field) in the remote console/GUI to identify a BMS in a multi battery environment by @mr-manuel
• Added: Show specific TimeToSoC points in GUI, if 0%, 10%, 20%, 80%, 90% and/or 100% are selected by @mr-manuel
• Added: Show TimeToGo in GUI only, if enabled by @mr-manuel
• Added: Support for HLPdata BMS4S #505 by @peterohman
• Added: Support for Seplos BMS #530 by @wollew
• Added: Temperature 1-4 are now also available on the dbus and MQTT by @idstein
• Added: Temperature name for temperature sensor 1 & 2. This allows to see which sensor is low and high (e.g. battery and cable) by @mr-manuel
• Changed: reinstall-local.sh to recreate /data/conf/serial-starter.d, if deleted by disable.sh --> to check if the file conf/serial-starter.d could now be removed from the repository by @mr-manuel
• Changed: Added QML to restore-gui.sh by @mr-manuel
• Changed: Bash output by @mr-manuel
• Changed: CVL calculation improvement. Removed cell voltage penalty. Replaced by automatic voltage calculation. Max voltage is kept until cells are balanced and reset when cells are inbalanced or SoC is below threshold by @mr-manuel
• Changed: Daly BMS - Fixed BMS alerts by @mr-manuel
• Changed: Daly BMS - Improved driver stability by @transistorgit & @mr-manuel
• Changed: Daly BMS - Reworked serial parser by @transistorgit
• Changed: Default config file by @ppuetsch
  • Added missing descriptions to make it much clearer to understand by @mr-manuel
  • Changed name from default_config.ini to config.default.ini #412 (comment) by @mr-manuel
  • Changed TimeToSoc default value TIME_TO_SOC_VALUE_TYPE from Both seconds and time string "<seconds> [<days>d <hours>h <minutes>m <seconds>s]" to 1 Seconds by @mr-manuel
  • Changed TimeToSoc description by @mr-manuel
  • Changed value positions, added groups and much clearer descriptions by @mr-manuel
• Changed: Default FLOAT_CELL_VOLTAGE from 3.350 V to 3.375 V by @mr-manuel
• Changed: Default LINEAR_LIMITATION_ENABLE from False to True by @mr-manuel
• Changed: Disabled ANT BMS by default #479 by @mr-manuel
• Changed: Driver can now also start without serial adapter attached for Bluetooth BMS by @seidler2547
• Changed: Feedback from BMS driver to know, if BMS is found or not by @mr-manuel
• Changed: Fixed black lint errors by @mr-manuel
• Changed: Fixed cell balancing background for cells 17-24 by @mr-manuel
• Changed: Fixed cell balancing display for JBD/LLT BMS #359 by @mr-manuel
• Changed: Fixed #239 by @mr-manuel
• Changed: Fixed #311 by @mr-manuel
• Changed: Fixed #351 by @mr-manuel
• Changed: Fixed #397 by @transistorgit
• Changed: Fixed #421 by @mr-manuel
• Changed: Fixed #450 by @mr-manuel
• Changed: Fixed #648 by @mr-manuel
• Changed: Fixed Time-To-Go is not working, if TIME_TO_SOC_VALUE_TYPE is set to other than 1 #424 (comment) by @mr-manuel
• Changed: Improved install workflow via USB flash drive by @mr-manuel
• Changed: Improved JBD BMS soc calculation #439 by @aaronreek
• Changed: Logging to get relevant data by @mr-manuel
• Changed: Many code improvements #393 by @ppuetsch
• Changed: Moved Bluetooth part to reinstall-local.sh by @mr-manuel
• Changed: Moved BMS scripts to subfolder by @mr-manuel
• Changed: Removed all wildcard imports and fixed black lint errors by @mr-manuel
• Changed: Renamed scripts for better reading #532 by @mr-manuel
• Changed: Reworked and optimized installation scripts by @mr-manuel
• Changed: Separate Time-To-Go and Time-To-SoC activation by @mr-manuel
• Changed: Serial-Starter file is now created from reinstall-local.sh. Fixes also #520 by @mr-manuel
• Changed: Temperature alarm changed in order to not trigger all in the same condition for JKBMS by @mr-manuel
• Changed: Time-To-Soc repetition from cycles to seconds. Minimum value is every 5 seconds. This prevents CPU overload and ensures system stability. Renamed TIME_TO_SOC_LOOP_CYCLES to TIME_TO_SOC_RECALCULATE_EVERY by @mr-manuel
• Changed: Time-To-Soc string from days, HR:MN:SC to <days>d <hours>h <minutes>m <seconds>s (same as Time-To-Go) by @mr-manuel
• Changed: Uninstall also installed Bluetooth modules on uninstall by @mr-manuel