esphome:
  name: energy-meter
  friendly_name: energy-meter
  on_boot:
    - priority: 600.0
      then:
        - output.turn_off: watchdog_state
        - delay:
            seconds: 30
        - if:
            condition:
              lambda: "return !id(ota_running);"
            then:
              - output.turn_on: watchdog_state

esp8266:
  board: esp01_1m

# Stop the device from sleeping while ota is running
globals:
  - id: ota_running
    type: bool
    initial_value: "false"
    restore_value: False

# Disable safe mode so the resets from
# the Attiny watchdog don't trigger safe mode
safe_mode:
  disabled: true

# Enable logging
logger:
  baud_rate: 0
  level: INFO

mqtt:
  discovery: true
  # Set your MQTT broker IP here!
  broker: 192.168.1.2
  birth_message: # Empty - this prevents status reporting as unavailabile in HA
  will_message: # Empty - this prevents status reporting as unavailabile in HA
  on_message:
    topic: energy-meter/sensor/current_power/state
    then:
      - delay:
          seconds: 1
      - if:
          condition:
            lambda: "return !id(ota_running);"
          then:
            - output.turn_on: watchdog_state

ota:
  platform: esphome
  password: !secret ota_password
  on_begin:
    then:
      - globals.set:
          id: ota_running
          value: "true"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  domain: ".lan"
  fast_connect: true

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Energy-Meter Fallback Hotspot"
    password: !secret hotspot_password

captive_portal:

web_server:
  port: 80

uart:
  id: uart_bus
  rx_pin:
    # RXD0 on ESP-01
    number: 3
    inverted: false
  baud_rate: 9600
  data_bits: 8
  parity: NONE
  stop_bits: 1
  debug:

output:
  # Communication with Attiny85 watchdog
  - platform: gpio
    id: watchdog_state
    pin:
      number: 1

sml:
  id: mysml
  uart_id: uart_bus

sensor:
  - platform: sml
    retain: False
    name: "Total energy"
    sml_id: mysml
    obis_code: "1-0:1.8.0"
    unit_of_measurement: kWh
    accuracy_decimals: 4
    device_class: energy
    state_class: total_increasing
    filters:
      - multiply: 0.0001

  - platform: sml
    retain: False
    name: "Total energy (Tarif 1)"
    sml_id: mysml
    obis_code: "1-0:1.8.1"
    unit_of_measurement: kWh
    accuracy_decimals: 4
    device_class: energy
    state_class: total_increasing
    filters:
      - multiply: 0.0001

  - platform: sml
    retain: False
    name: "Total energy (Tarif 2)"
    sml_id: mysml
    obis_code: "1-0:1.8.2"
    unit_of_measurement: kWh
    accuracy_decimals: 4
    device_class: energy
    state_class: total_increasing
    filters:
      - multiply: 0.0001

  - platform: sml
    retain: False
    name: "Current power"
    sml_id: mysml
    obis_code: "1-0:16.7.0"
    unit_of_measurement: W
    accuracy_decimals: 4
    device_class: power
    state_class: measurement

  - platform: adc
    pin: VCC
    icon: "mdi:battery"
    name: "Battery Voltage"

# The ESP's deep sleep is not being used, but adding it
# may prevent the device from showing as offline in Home Assistant
deep_sleep:
  sleep_duration: 5min