HAB Bounder Firmware Change Log

HAB Bounder is a self-contained cut-down device that utilizes a hot-wire cutter to sever a line at a predetermined time or event. Below is an over-view of the firmware versions and major changes each brought to the system. In-the-field firmware upgrades are possible. Please contact us for the latest firmware image for your HAB Bounder.

HAB Bounder Firmware – 18 Oct 2023

  • Added debounce option to Compare condition
  • Flight.cfg is now evaluated before GPS time is acquired
  • Flight.log timestamping now removed from configuration section making it easier to copy old configurations into Flight.cfg
  • Added ‘EnableDebugInfo’ configuration option to help with troubleshooting issues
  • Changed SDCardRate log rate arguement to seconds between entries (in 0.5 sec intervals)
  • Now evaluates remaining free RAM before adding new Commands from Flight.cfg to prevent flight issues
  • SD Card writing improvements to help when slow SD cards are used
  • Input ExtTrig no longer toggles on but follows the input signal (debounced by 50 ms at 2 Hz intervals)

HAB Bounder Firmware – 23 Sept 2023

  • Added External Trigger input ability
  • Now creates a basic Flight.cfg file, if missing, to aid with programming
  • Added low power GPS configuration option
    • Reduces power consumption by about 20%
    • But can not use SBAS (ex WAAS) when active
    • And reduces navigation solution frequency from 2 Hz to 1 Hz
  • Fixed Flight.cfg error message line number issue
  • Changed Position.AscentRate to Position.VerticalSpeed to match documentation and Position.HorizontalSpeed
  • Improved GPS and pressure sensor data filtering
  • Improved pressure sensor self-diagnostic at start-up to catch a possible hardware failure mode
  • Improved pressure sensor code to reduce power consumption

HAB Bounder Firmware – 23 Aug 2023

  • Updated Loonatec’s FlightManager firmware for the v5.2 hardware
  • Improved burn-wire feedback logic

HAB Bounder Firmware – 8 Apr 2023

  • Removed need for “CommData:” command in Flight.cfg

HAB Bounder Firmware – 25 July 2022

  • Updated Loonatec’s FlightManager firmware for the v5.0 hardware

HAB Bounder Firmware Version 15 – January 2021

  • Modified firing PWM settings to permit the usage of more robust burn wire
  • Resolved some minor compiler warnings

HAB Bounder v4 Firmware Release 14 – October 2020

  • Change to how the GPS module is initialized to fix an intermittent boot issue that effected a couple HAB Bounders™

HAB Bounder v4 Firmware Release 13 – April 2020

  • Changed the Geo-fence options
    • Now supports two fences
    • Each fence can be configured to one of six options
      • Stay inside and below an altitude
      • Stay inside and above an altitude
      • Stay outside or below an altitude
      • Stay outside or above an altitude
      • Stay below an altitude
      • Stay above an altitude
  • Removed the GPS Altitude (GAT) Trigger
  • Fixed PAR Trigger SD-card formatting issue

HAB Bounder v4 Firmware Release 12 – February 2020

  • Added GPS Ascent Rate (GAR) Trigger
  • Added Pressure Ascent Rate (PAR) Trigger
  • Removed the Rapid Descent (RDT) Trigger
    • Note: The PAR does all that the RDT did and allows better control

HAB Bounder v4 Firmware Release 11 – November 2019

  • External Trigger option added
    • Note, this feature requires hardware version 4.2 or newer
  • Modified Heater Set Point command, now accepts values of -1 to -60 °C or off
  • Fixed GPS Altitude Trigger setting feedback issue in the flight’s CSV data file

HAB Bounder v4 Firmware Release 10 – October 2019

  • Added GPS Fix audio alert: the Balloon Bounder now beeps at 1/2 hz until GPS fix is acquired
    • Useful reminder to not launch until fix is acquired
  • If Power Save Mode is enabled, it is not activated until after first GPS fix to decrease time-to-fix

HAB Bounder v4 Firmware Release 9 – October 2019

  • MAJOR ISSUE – Fixed GPS Altitude Trigger, now properly handles negative altitudes
    • An observed issue when launching at sea-level, error results in immediate GAT Termination
  • GPS Altitude Trigger now allows altitudes up to 50 km
  • Fixed CSV file’s header, Lat/Lon columns were reversed

HAB Bounder v4 Firmware Release 8 – June 2019

  • Added GPS Fix audio alert: short 2-tone tune plays at fix acquisition
  • Added GPS low-power mode: Power Save Mode can now be enabled to reduce the Balloon Bounder’s power consumption by more than 50 % for long flights
  • GPS data is now received in the UBX format instead of NMEA ASCII, allows more data to be recorded
    • Number of satellites used for fix
    • Date information at 1 Hz
    • Ground speed
    • Vertical speed
    • Heading

HAB Bounder v4 Firmware Release 7 – June 2019

  • A data stamp is now logged the flight’s CSV data file every four minutes
  • Fixed formatting issues with the flight’s KML data
  • Added initial sub-module testing results to the flight’s CSV data file

HAB Bounder v4 Firmware Release 6 – May 2019

  • Both burn-wires are tested every 10 seconds throughout the flight, results are logged in the flight’s CSV data file
  • Battery voltage monitoring is now measured every 10 seconds throughout the flight, results are logged in the flight’s CSV data file
  • Added audio alert that starts 8 seconds before the burn-wires are activated

HAB Bounder v4 Firmware Release 5 – May 2019

  • Fixed Heater Set-Point configuration issues

HAB Bounder v4 Firmware Release 4 – April 2019

  • Finalized SD Card interface code changes

HAB Bounder v4 Firmware Release 3 – April 2019

  • Changed SD Card interface code

HAB Bounder v4 Firmware Release 1 & 2 – March 2019

  • Initial Balloon Bounder code and hardware development

Leave a Comment

Your email address will not be published. Required fields are marked *