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todo.md

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todo

functional:

  • add signal leds for:
    • network connected - green
    • mqtt connected + ping ok - yellow
    • telegram received (toggle) - blue
    • SIM telegram Send (toggle) - red
    • optional: meter power detected (6 pin cable) ? leds on / off in normal operation ? leds automatically off after 10 minutes to aid in troubleshooting on startup

testen / documenteren , dit zou in 1.13 moeten zitten esp32: Add support for mDNS queries and responder. They are both enabled by default, but can be disabled by defining MICROPY_HW_ENABLE_MDNS_QUERIES and/or MICROPY_HW_ENABLE_MDNS_RESPONDER to 0. The hostname for the responder is currently taken from tcpip_adapter_get_hostname() but should eventually be configurable.

  • build case for meter

  • periodically send all readings ( per minute / hour ? configurable)

  • also publish the ident from the header

  • add actionable descriptions to common mqtt connection errors

  • [?] prevent / cleanup common mqtt connection errors on initial connect

       WARN     mqttclient mqtt not healthy
       INFO     mqttclient create mqtt client homeassistant.local
       WARN     mqttclient need to start mqqt client
       INFO     mqttclient connecting to mqtt server homeassistant.local
       ERROR    mqttclient 5
       WARN     SIMULATION send simulated telegram
       INFO     mqttclient publish 23 meter readings
       ERROR    mqttclient Problem sending json to MQTT : [Errno 104] ECONNRESET
       ERROR    mqttclient Oops while disconnecting MQTT : [Errno 104] ECONNRESET

mqtt client:

ERROR mqttclient OS Error -2

  • the readings stay the same if the meter goes offline - how to deal with this

  • switch to more stable MQTT lib

  • clear last sent state on mqtt reconnect to force sending all

  • use wlan.wlan_stable flag to determine network connection # !! Note the use of conf.DEBUG rather than from conf import DEBUG. # This construction means that you can alter the variable during the life of the program, and have that change reflected elsewhere (assuming a single thread/process, obviously). # ref: https://stackoverflow.com/questions/24023601/is-it-good-practice-to-use-import-main - also disconnect / reset mqtt client in that case

  • LOW - reconnect quicker

  • ping mqtt server on server connect

  • ping mqtt server periodically and reconnect on issue

  • support TLS/SSL

  • refactor to class to get rid of global

  • detect mqtt issues on sending and disconnect / reconnect

  • [?] add queue of messages to send

Test cases :

  • [ok] restart mqtt server
  • wrong password
  • no network connectivity to mqtt broker
  • no write permissions on ROOT_TOPIC

Test on other firmwares

  • [OK] micropython 1.13 - bld 103 - nightly
    - add mqqt.simple to libs
  • [ fail] LoBo + AsyncIO ( for telnet)
  • [ fail] micropython 1.12
  • pycopy

Stability:

  • CRC16 check
  • CRC16 type bug

code quality:

  • pylint errors - [ ] asyncio - [ ] gc - [ ] sys network:
  • wifi.wlan_stable does not properly reflect the state ( need to import module , not just the state )
  • clear last sent state on network reconnect
  • set config.dhcp hostname + last MAC bit
  • LOW PRIO - fix weird UART0 disconnect on LOLIN32 Pro when starting up the network (does not repro on other hardware , and nospiram FW fails to load as well)
  • more robust network reconnection
  • add log descriptions for common connection errors
  • test cases
    • [disable wifi / enable wifi]
      • [ok] test / repro network disconnect - re-connect

nice to have:

  • parse the date-time from the telegram to make it more readable
  • add webrepl for remote diag
  • add ftp server for remote diag
  • publish MAC to mqtt to identify different meters
  • read config from MQTT /p1_meter/sensor/MAC --> root ROOT_TOPIC : 'p1_meter_2'
  • logging formatting with colors
    • new logging lib with format options`

upstream Doc:

  • create PR for micropython documentation with esp32 UART additions - inverted polarity - rx tx buffer size

Done

  • catch more MQTT errors
  • replace codes -> ROOT_TOPIC names
  • simulator: support larger messages
  • only save updated if send actually succeeds, to avoid dampening/removing unsent changes / states