m5stack-atom-rs485kit.yaml

esphome:
  name: nibe-esp

esp32:
  board: m5stack-atom
  framework:
    type: arduino

# Enable logging
logger:
  baud_rate: 0

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_password

ota:
  password: !secret ota_password

wifi:
  power_save_mode: none
  ssid: !secret wifi_ssid
  password: !secret wifi_password

external_components:
  - source: 
      type: git
      url: https://github.com/elupus/esphome-nibe.git
    components: [ nibegw ]

uart:
  id: my_uart
  rx_pin: GPIO22
  tx_pin: GPIO19
  baud_rate: 9600

nibegw:

  # If you have a named uart instance, you can specify this here.
  uart_id: my_uart

  udp:
    # The target address(s) to send data to. May also be multicast addresses.
    target:
      - ip: 192.168.255.254
        port: 9999

    # List of source address to accept read/write from, may be empty for no filter, but
    # this is not recommended.
    source:
      - 192.168.255.254

    # Optional port this device will listen to to receive read requests. Defaults to 9999
    # read_port: 9999

    # Optional port this device will listen to to receive write request. Defaults to 10000
    # write_port: 10000


  acknowledge:
    - MODBUS40

    # Enable a dummy RMU40 accessory to receive updates
    # to certain registers faster. This should not be
    # enabled if you have an actual RMU40.
    - RMU40_S4

  # Constant replies to certain requests can be made
  constants:
    - address: MODBUS40
      token: ACCESSORY
      data: [
            0x0A, # MODBUS version low
            0x00, # MODBUS version high
            0x02, # MODBUS address?
      ]

    # Accessory version response
    - address: RMU40_S4
      token: ACCESSORY
      data: [
            0xEE, # RMU ?
            0x03, # RMU version low
            0x01, # RMU version high
      ]

    # Unknown response that nibepi uses
    - address: RMU40_S4
      token: RMU_DATA
      command: RMU_WRITE
      data: [
            0x63,
            0x00,
      ]

    # Constant fixed temperature to avoid pump going into alarm.
    - address: RMU40_S4
      token: RMU_WRITE
      data: [
            0x06, # Temperature
            0x14, # degrees low
            0x00, # degrees high
      ]