amsreader-firmware

• Fixed issue where day and month history gets cleared
• Fixed scaling on power factor sent to Home-Assistant
• Added option to choose protocol for cloud connection (UDP is mostly fine, but TCP gives reliability if UDP is unstable)
• Added synchronization of price configuration to cloud

• Added support for Kamstrup 382M (Using KMP)
• Fixed data collection issues when meter timestamp is ahead of NTP
• Fixed undefined month names when language file is not loaded
• Fixed day skew on month graph when accessing GUI from different timezone
• Fixed prices not sent to MQTT when using fixed prices
• Fixed timezone parsing for DLMS timestamp
• Various adjustments for stability (Mostly affects ESP8266)

• Added possibility to edit day and month data
• Added possibility to move elements in price config
• Added parsing of a new Iskra format
• Added Slovenia as price area
• Added a combined import/export value to data.json (w)
• Added export price sensors to MQTT Home Assistant
• Added tariff thresholds to MQTT
• Improved loading speed of GUI
• Fixed invalid JSON sent to MQTT in JSON mode
• Fixed invalid characters in URL in MQTT HomeAssistant sensor payload
• Fixed and improved baud rate autodetect
• Fixed month number in clock
• Fixed price calculation for export (was using import price)
• Fixed hidden amperage plot when voltage is not reported by meter

• Fixed state class on HA tariff threshold sensors
• Fixed mixup on date interval for price configuration
• Fixed value for last month kwh
• Fixed missing GUI widgets if voltage is not reported by meter
• Fixed crowded axis labels on amperage graph
• Fixed data enable for Kamstrup with P1 output configured
• Added option to send MQTT on interval
• Added export price in the export gauge
• Improved visibility of axis information on graphs
• General code improvements

• Fixed issues when static IP was set (DHCP was obtained later on)
• Fixed reset of vcc offset and multiplier on reboot

• Fixed device class for HomeAssistant Uptime sensor
• Fixed default buffer size for ESP8266
• Fixed export values on current graph
• Fixed stuck values when changing between import and export on some meters
• Improved real time plot update
• Improved MQTT stability

• Fixed browser freeze when production appeared in realtime plot
• Fixed unreadable numbers in dark mode
• Changed realtime plot update behaviour

New features:

• Custom price configuration, option to add tariff, VAT etc
• Realtime energy use plot
• Option to disable LED (Pow series hardware depends on version)
• Multiple languages
• Dark mode
• Support for ethernet boards
• Graph per phase where available (wattage and amperage)
• Support for meters with pulse output
• MQTT LWT
• IPv6
• Option to use as Access Point in normal operation
• Option to set context path of webserver (When used behind proxy)
• Support for HDLC data segmentation
• Automatic unit scaling for various counters (wh/kwh/mwh)
• Added more MQTT JSON formats
• Added build for ESP32-S3

Changes:

• Fixed overflow in data storage for day and month graph
• Fixed incorrect zero values in data for certain meters
• Added support for more OBIS codes from some Swiss meters
• Added timeout to MQTT to avoid unresponsive GUI on connection error
• Changed color for export graph
• Changed data storage strategy when list 3 is lost just after new hour
• Reconnect to correct host/ip if hostname/ip changes on config page or via config file
• Adjusted colors on graphs
• Forcing GPIO for known board profiles on boot
• Introduced sequential loading of data from device

API changes:

• In MQTT JSON, data.id have been renamed to data.meterId
• In data.json, u1, u2, u3, i1, i2, i3, f1, f2, f3 have been moved into new objects l1, l2, l3. Please see wiki for details: https://github.com/UtilitechAS/amsreader-firmware/wiki/Message-formats#httpams_hostnamedatajson

• Fixed missing HA sensors
• Minor changes to MQTT disconnect and MQTT SSL

Removed test code that made I2 disappear

• Fixed reboot loop on ESP8266 using MQTT Home Assistant payload
• Fixed buffer size issues on some configurations

• Removed calculated I2 where for meters where this is missing. The calculation was too far off, and a proper calculation cannot be made with available data.
• Improved Home Assistant integration
  • Re-sending sensors if HA have been down and comes back up
  • Sending null values to price sensors where price is unknown
  • Setting expire time on all sensors
• Fixed issue where multipliers was not used for DSMR data
• Fixed checking "Clear all other configuration" when changing board type
• Fixed issue where new MQTT config was not loaded correctly

• Fixed voltage and amperage graph display for some browsers
• Fixed price issues when changing from CEST to CET
• Fixed exchange rate when fetching new rate fails
• Improved MQTT connection handler
• Improved error feedback when firmware upgrade failed
• Improved formula for missing I2 calculation
• Added option to send data to Energyspeedometer
• Added SSDP discovery
• Added tariff peak display for Sweden
• Added visualization when I2 is calculated
• Added display of energy price supplier in graph
• Added CHF as currency
• Added software reboot cause display on info page
• Increased number of decimals on accumulated values sent to MQTT
• Removed option to auto-reboot on WiFi connection error

• Fixed problem where Pow-U was unable to stay connected to WiFi
• Fixed disappearing price graph on low energy price
• Fixed incorrect price graph update, making graph run wild after keeping browser open for a while
• Fixed problem where unsetting fixed price did not work
• Improved MQTT/SSL connection options. Can now connect without CA/cert/key, or with just CA
• Added option to delete CA/cert/key for MQTT
• Added option to disable 802.11b on ESP8266

• Fixed red HAN indicator caused by millisecond rollover at 49.7 days
• Fixed unexpected loss of graph data
• Fixed unexpected overwrite of tariff peaks
• Fixed incorrect calculation of realtime "income" from export
• Fixed fetching of incorrect prices if fetched the first hour after midnigt
• Fixed incorrect date on clock in GUI
• Fixed uptime rollover issue for Raw MQTT payload
• Fixed missing tariff peak in MQTT HA payload
• Fixed calculation for I2 combined with export (negative value) for 3w meters not reporting this value
• Improved graph y-axis range when negative values are present
• Improved WiFi disconnect to preserve power when connection is lost
• Added persistence to realtime data to make it survive a software reboot (does not survive hardware reboot)
• Added voltage monitoring and automatic WiFi disconnect on low voltage for Pow-U (To prevent brownout)
• Added option to disable 802.11b, which will improve voltage stability
• Added support for Slovenian Iskra meter

• Fixed issue where device jumped into AP mode on WiFi outage
• Fixed problem where realtime data disappears on negative cost
• Fixed window skew on graph two hours before midnight
• Fixed y-axis range problem on graphs after leaving GUI open for a period
• Added option to configure buffer size on HAN serial
• Added compression to js/css, speeding up GUI load time (thanks to @dbeinder)

• Fixed invalid large number in this month cost.
• Fixed incorrect date displayed on the clock under certain conditions.
• Fixed overlapping numbers in graph on systems with power export.
• Fixed mouseover label on price graph for prices belonging to next UTC day.
• Improved display of prices for smaller amounts. Using currency subunit if the whole graph is less than 1 unit.
• Changed label on month graph to say "Last xx days" instead of "Last month".
• Automatically switch to AP mode if WiFi PSK is incorrect.

Fixed reboot issue with new and factory reset devices. Upgrade from 2.2.18 recommended.

• Added workaround for DNS on networks where IPv6 is present. This improves success rate for these users regarding one-click upgrade and fetching prices
• Fixed graph when negative prices appear
• Fixed exchange rate for users using ENTSO-E API token
• Configured graphs and clock to use device timezone instead of browser timezone

All users who experience issues with one-click upgrade via GUI should download the appropriate bin file and upload via the status page