AI-on-the-edge-device/Changelog.md

Versions

8.5.0 - Multi Meter Support (2021-10-07)

• Upgrade digital CNN to v13.1.0 (added new images)
• bug fix: wlan password with space, double digit output

8.4.0 - Multi Meter Support (2021-09-25)

• License change (remove MIT license, remark see below)

• html: show hostname in title and main page

• configuration:

  • moved setting ExtendedResolution to individual number settings
  • New parameter IgnoreLeadingNaN (delete leading NaN's specifically)
  • ATTENTION: update of the config.ini needed (open, adjust ExtendedResolution, save)

• Bug fixing (html, images of recognized numbers)

ATTENTION: LICENSE CHANGE - removal of MIT License.

• Currently no licence published - copyright belongs to author
• If you are interested in a commercial usage or dedicated versions please contact the developer
  • no limits to private usage

8.3.0 - Multi Meter Support (2021-09-12)

• Upgrade digital CNN to v12.1.0 (added new images)
• Dedicated NaN handling, internal refactoring (CNN-Handling)
• HTML: confirmation after config.ini update
• Bug fixing

8.2.0 - Multi Meter Support (2021-08-24)

• Improve server responsiveness
• Flow status and prevalue status in overview
• Improved prevalue handling

8.1.0 - Multi Meter Support (2021-08-12)

• GPIO: using the general mqtt main topic for GPIO

• Upgrade digital CNN to v12.0.0 (added new images)

• Update tfmicro to new master (2021-08-07)

• Bug fix: remove text in mqtt value, remove connect limit in wlan reconnet

8.0.5 - Multi Meter Support (2021-08-01)

• NEW 8.0.5: bug fix: saving prevalue
• NEW 8.0.4: bug fix: load config.ini after upgrade
• NEW 8.0.3: bug fix: reboot during config.ini handling, html error
• NEW 8.0.2: saving roundes prevalue, bug fix html server
• NEW 8.0.1: bug fix: html handling of parameter FixedExposure and ImageSize
• Dual / multi meter support (more than 1 number to be recognized) This is implemented with the feature "number" on the ROI definition as well as selected options
• MQTT: standardization of the naming - including new topics (json, freeMem, uptime)c
• Preparation for extended GPIO support (thanks to Zwerk2k) - not tested and fully functional yet
• Bug fixing: html server, memory leak, MQTT connect, hostname, turn of flash LED

ATTENTION: the configuration and prevalue files are modified automatically and will not be backward compatible!

7.1.2 MQTT-Update - (2021-06-17)

• NEW: 7.1.2: bug fix setting hostname, Flash-LED not off during reboot

• NEW: 7.1.1: bug fix wlan password with "=" (again)

• MQTT error message: changes "no error", send retain flag

• Update wlan handling to esp-idf 4.1

• Upgrade digital CNN to v8.7.0 (added new images)

• Bug fix: MQTT, WLAN, LED-Controll, GPIO usage, fixed IP, calculation flow rate

7.0.1 MQTT-Update - (2021-05-13)

• NEW: 7.0.1: bug fix wlan password with "="

• Upgrade digital CNN to v8.5.0 (added new images)

• New MQTT topics: flow rate (units/minute), time stamp (last correct read readout)

• Update MQTT/Error topic to " " in case no error (instead of empty string)

• Portrait or landscape image orientation in rotated image (avoid cropping)

6.7.2 Image Processing in Memory - (2021-05-01)

• NEW 6.7.2: Updated html for setup modus - remove reboot on edit configuration)

• NEW 6.7.1: Improved stability of camera (back to v6.6.1) - remove black strips and areas

• Upgrade digital CNN to v8.3.0 (added new type of digits)

• Internal update: TFlite (v2.5), esp32cam, startup sequence

• Rollback to espressif v2.1.0, as v3.2.0 shows unstable reboot

• Bugfix: WLan-passwords, reset of hostname

6.6.1 Image Processing in Memory - (2021-04-05)

• NEW 6.6.1: failed SD card initialization indicated by fast blinking LED at startup
• Improved SD-card handling (increase compatibility with more type of cards)

6.5.0 Image Processing in Memory - (2021-03-25)

• Upgrade digital CNN to v8.2.0 (added new type of digits)
• Supporting alignment structures in ROI definition
• Bug fixing: definition of hostname in config.ini

6.4.0 Image Processing in Memory - (2021-03-20)

• Additional alignment marks for settings the ROIs (analog and digit)
• Upgrade analog CNN to v7.0.0 (added new type of pointer)

6.3.1 Image Processing in Memory - (2021-03-16)

• NEW: 6.3.1: bug fixing in initial edit reference image and config.ini (Spelling error in InitialRotate)
• Initial setup mode: bug fixing, error correction
• Bug-fixing

6.2.2 Image Processing in Memory - (2021-03-10)

• NEW 6.2.2: bug fixing
• NEW 6.2.1: Changed brightness and contrast to default if not enabled (resolves to bright images)
• Determination of fixed illumination settings during startup - speed up of 5s in each run
• Update digital CNN to v8.1.1 (additional digital images trained)

• Extended error message in MQTT error message

• Image brightness is now adjustable

• Bug fixing: minor topics

6.1.0 Image Processing in Memory - (2021-01-20)

• Disabling of analog / digital counters in configuration
• Improved Alignment Algorithm (AlignmentAlgo = Default, Accurate , Fast)
• Analog counters: ExtendedResolution (last digit is extended by sub comma value of CNN)
• config.ini: additional parameter hostname (additional to wlan.ini)
• Switching of GPIO12/13 via http-interface: /GPIO?GPIO=12&Status=high/low
• Bug fixing: html configuration page, wlan password ("=" now possible)

6.0.0 Image Processing in Memory - (2021-01-02)

• Major change: image processing fully in memory - no need of SD card buffer anymore

  • Need to limit camera resolution to VGA (due to memory limits)

• MQTT: Last Will Testament (LWT) implemented: "connection lost" in case of connection lost to TopicError

• Disabled CheckDigitIncreaseConsistency in default configuration - must now be explicit enabled if needed

• Update digital CNN to v7.2.1 (additional digital images trained)

• Setting of arbitrary time server in config.ini

• Option for fixed IP-, DNS-Settings in wlan.ini

• Increased stability (internal image and camera handling)

• Bug fixing: edit digits, handling PreValue, html-bugs

5.0.0 Setup Modus - (2020-12-06)

• Implementation of initial setup modus for fresh installation

• Code restructuring (full compatibility between pure ESP-IDF and Platformio w/ espressif)

4.1.1 Configuration editor - (2020-12-02)

• Bug fixing: internal improvement of file handling (reduce not responding)

4.1.0 Configuration editor - (2020-11-30)

• Implementation of configuration editor (including basic and expert mode)

• Adjustable time zone to adjust to local time setting (incl. daylight saving time)

• MQTT: additional topic for error reporting

• standardized access to current logfile via http://IP-ADRESS/logfileact

• Update digital CNN to v7.2.0, analog CNN to 6.3.0

• Bug fixing: truncation error, CheckDigitConsistency & PreValue implementation

4.0.0 Tflite Core - (2020-11-15)

• Implementation of rolling log-files

• Update Tflite-Core to master@20201108 (v2.4)

• Bug-fixing for reducing reboots

3.1.0 MQTT-Client - (2020-10-26)

• Update digital CNN to v6.5.0 and HTML (Info to hostname, IP, ssid)

• New implementation of "checkDigitConsistency" also for digits

• MQTT-Adapter: user and password for sign in MQTT-Broker

3.0.0 MQTT-Client (2020-10-14)

• Implementation of MQTT Client
• Improved Version Control
• bug-fixing

2.2.1 Version Control (2020-09-27)

• Bug-Fixing (hostname in wlan.ini and error handling inside flow)

2.2.0 Version Control (2020-09-27)

• Integrated automated versioning system (menu: SYSTEM --> INFO)
• Update Build-System to PlatformIO - Espressif 32 v2.0.0 (ESP-IDF 4.1)

2.1.0 Decimal Shift, Chrome & Edge (2020-09-25)

• Implementation of Decimal Shift

• Update default CNN for digits to v6.4.0

• Improvement HTML

• Support for Chrome and Edge

• Reduce logging to minimum - extended logging on demand

• Implementation of hostname in wlan.ini (hostname = "HOSTNAME")

• Bug fixing, code corrections

2.0.0 Layout update (2020-09-12)

• Update to new and modern layout
• Support for Chrome improved
• Improved robustness: improved error handling in auto flow reduces spontaneous reboots
• File server: Option for "DELETE ALL"
• WLan: support of spaces in SSID and password
• Reference Image: Option for mirror image, option for image update on the fly
• additional parameter in wasserzaehler.html?noerror=true to suppress an potential error message
• bug fixing

1.1.3 (2020-09-09)

• Bug in configuration of analog ROIs corrected - correction in v.1.0.2 did not work properly
• Improved update page for the web server (/html can be updated via a zip-file, which is provided in /firmware/html.zip)
• Improved Chrome support

1.1.0 (2020-09-06)

• Implementation of "delete complete directory" Attention: beside the firmware.bin, also the content of /html needs to be updated!

1.0.2 (2020-09-06)

• Bug in configuration of analog ROIs corrected
• minor bug correction

1.0.1 (2020-09-05)

• preValue.ini Bug corrected
• minor bug correction

1.0.0 (2020-09-04)

• First usable version - compatible to previous project (https://github.com/jomjol/water-meter-system-complete)
• NEW:
  • no docker container for CNN calculation necessary
  • web based configuration editor on board

0.1.0 (2020-08-07)

• Initial Version