ha-config/esphome/front-gate.yaml

substitutions:
  node_name: "front-gate"
  friendly_name: "Front Gate"

esphome:
  platform: ESP8266
  board: esp8285

packages:
  base: !include common/base.yaml

logger:
  level: DEBUG

web_server:
  version: 2
  include_internal: true

binary_sensor:
  - platform: gpio
    name: "${friendly_name} Contact"
    disabled_by_default: true
    device_class: garage_door
    id: contact
    pin:
      number: GPIO4
      inverted: false
      mode: INPUT_PULLUP
    # filters:
    #   # Takes advantage of the fact that gate movement causes this GPIO pin to
    #   # flicker (probably due to wire moving). We can use that initial change
    #   # in state as a signal to set the cover operation. Later, when the final
    #   # value settles (after debounces) we can set it back to idle.
    #   - lambda: |-
    #       if(id(gate).current_operation == CoverOperation::COVER_OPERATION_IDLE) {
    #         id(gate).current_operation = (x ? COVER_OPERATION_CLOSING : COVER_OPERATION_OPENING);
    #         id(gate).publish_state();
    #       }
    #       return x;

    #   # during gate movement, the wire movement seems to cause the state to rapidly flicker
    #   - delayed_on_off: 5000ms

    #   - lambda: |-
    #       id(gate).current_operation = COVER_OPERATION_IDLE;
    #       id(gate).publish_state();
    #       return x;

    # on_state:
    #   then:
    #     - cover.template.publish:
    #         id: gate
    #         current_operation: IDLE

  - platform: gpio
    pin:
      number: GPIO14
      mode: INPUT_PULLUP
      inverted: true
    name: "${friendly_name} Button"
    disabled_by_default: true
    on_multi_click:
      - timing:
          - ON for at most 1s
          - OFF for at least 0.2s
        then:
          switch.turn_on: relay
      - timing:
          - ON for at least 4s
        then:
          button.press: restart_button # in common/base.yaml

button:
  - platform: template
    name: "${friendly_name} Button"
    on_press:
      then:
        - if:
            condition:
              - switch.is_off: relay
            then:
              - switch.turn_on: relay

switch:
  - platform: gpio
    pin: GPIO5
    name: "${friendly_name} Relay"
    id: relay
    disabled_by_default: true
    on_turn_on:
      - light.turn_on: wifi_led
      - delay: 1s
      - switch.turn_off: relay
      - light.turn_off: wifi_led

light:
  - platform: status_led
    name: "${friendly_name} WiFi LED"
    id: wifi_led
    disabled_by_default: true
    pin: GPIO12

cover:
  - platform: template
    id: gate
    device_class: garage
    name: "${friendly_name}"
    lambda: "return id(contact).state ? COVER_CLOSED : COVER_OPEN;"
    open_action:
      - if:
          condition:
            and:
              - switch.is_off: relay
              - binary_sensor.is_on: contact # GATE IS CLOSED
              - lambda: return id(gate).current_operation == COVER_OPERATION_IDLE; # GATE IS IDLE
          then:
            - switch.turn_on: relay
    stop_action:
      - if:
          condition:
            and:
              - binary_sensor.is_on: contact
              - lambda: return id(gate).current_operation != COVER_OPERATION_IDLE; # GATE IS ACTIVE
          then:
            - switch.turn_on: relay
    close_action:
      - if:
          condition:
            and:
              - switch.is_off: relay
              - binary_sensor.is_off: contact # GATE NOT CLOSED
              - lambda: return id(gate).current_operation == COVER_OPERATION_IDLE; # GATE IS IDLE
          then:
            - switch.turn_on: relay