water-guard.yaml

substitutions:
  device_name: water-guard

globals:
  - id: valve_is_open
    type: bool
    restore_value: yes
    initial_value: "true"
  - id: test_mode
    type: bool
    restore_value: yes
    initial_value: "false"

external_components:
  - source: github://dentra/esphome-components
    components: [ 'miot', 'xiaomi_account', 'miot_sjws01lm' ]

packages:
  device_common: !include .device_common.yaml
  relay_1: !include { file: water-guard/relay_template.yaml, vars: { r_id: relay_1, r_pin: GPIO21 } }
  relay_2: !include { file: water-guard/relay_template.yaml, vars: { r_id: relay_2, r_pin: GPIO19 } }
  relay_3: !include { file: water-guard/relay_template.yaml, vars: { r_id: relay_3, r_pin: GPIO18 } }
  relay_4: !include { file: water-guard/relay_template.yaml, vars: { r_id: relay_4, r_pin: GPIO05 } }
  boiler_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: boiler_leak_sensor
      ls_mac_addr: "54:EF:44:E5:1C:23"
      ls_bindkey: "47b658e2288541239bb8ab4b79d75039"
      ls_name: "Boiler Leak sensor"
  filter_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: filter_leak_sensor
      ls_mac_addr: "54:EF:44:E5:29:F6"
      ls_bindkey: "0daf32121dbdd402144b0cf33ea70557"
      ls_name: "Filter Leak sensor"
  shower_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: shower_leak_sensor
      ls_mac_addr: "54:EF:44:E5:28:CD"
      ls_bindkey: "b92ab1569a921ec21ad8519bd7ffddf3"
      ls_name: "Shower Leak sensor"
  laundry_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: laundry_leak_sensor
      ls_mac_addr: "54:EF:44:E5:12:9A"
      ls_bindkey: "593d53a13d86832fdf2b0fe7cab13ec9"
      ls_name: "Laundry Leak sensor"
  toilet_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: toilet_leak_sensor
      ls_mac_addr: "54:EF:44:E5:16:16"
      ls_bindkey: "f925eb3dffc36fdb721ecd8f302f8bda"
      ls_name: "Toilet Leak sensor"
  kitchen_leak_sensor: !include
    file: water-guard/leak_sensor_template.yaml
    vars:
      ls_id: kitchen_leak_sensor
      ls_mac_addr: "54:EF:44:E5:18:4A"
      ls_bindkey: "b2354449e4782b6d326858011afb0f12"
      ls_name: "Kitchen Leak sensor"
  # washstand_leak_sensor: !include
  #   file: water-guard/leak_sensor_template.yaml
  #   vars:
  #     ls_id: washstand_leak_sensor
  #     ls_mac_addr: "54:EF:44:E1:04:EE"
  #     ls_bindkey: "a1d7c4308f00fe320ac87cdcad02d7e0"
  #     ls_name: "Washstand Leak sensor"

esphome:
  name: ${device_name}
  platform: ESP32
  board: esp-wrover-kit

http_request:
  useragent: esphome/device
  timeout: 10s
  verify_ssl: false

status_led:
  pin: GPIO25

miot:
  on_miot_advertise:
    mac_address: "A4:C1:38:8A:67:22"
    then:
      lambda: //

# CWX CR02 valve pinout:
# Yellow (black) - common negative - relay_1 NO
# Red (red) - open positive - relay_2 NO
# Blue (white-blue) - close positive - relay_2 NC
script:
  # Open valve script.
  - id: open_valve
    mode: single
    then:
      - switch.turn_on: relay_1
      - switch.turn_on: relay_2
      - delay: 10000ms
      - switch.turn_off: relay_1
      - switch.turn_off: relay_2
      - globals.set:
          id: valve_is_open
          value: "true"
  # Close valve script.
  - id: close_valve
    mode: single
    then:
      - if:
          condition:
            lambda: |-
              return !id(test_mode);
          then:
            - switch.turn_on: relay_1
            - switch.turn_off: relay_2
            - delay: 10000ms
            - switch.turn_off: relay_1
            - globals.set:
                id: valve_is_open
                value: "false"
  # Maintenance script: closes valve for a 10 seconds every monday at 15:00.
  - id: run_maintenance
    mode: single
    then:
      - if:
          condition:
            lambda: |-
              return id(valve_is_open);
          then:
            - script.execute: close_valve
            - delay: 10000ms
            - script.execute: open_valve
            - homeassistant.event:
                event: esphome.valve_maintenance_executed
  # Turn off the boiler when valve is closed for more than 25 seconds.
  - id: turn_off_boiler
    mode: single
    then:
      - delay: 25s
      - if:
          condition:
            switch.is_off: water_valve
          then:
            - http_request.post: http://boiler-relay.local:4576/switch/boiler-relay_relay/turn_off

time:
  - id: !extend sntp_time
    on_time:
      # Maintenance timer: execute run_maintenance every monday at 15:00.
      - days_of_week: MON
        hours: 15
        minutes: 00
        seconds: 00
        then:
          - script.execute: run_maintenance

switch:
  # Valve switch
  - platform: template
    id: water_valve
    name: "Water valve"
    restore_mode: DISABLED
    lambda: |-
      return id(valve_is_open);
    turn_on_action:
      - script.execute: open_valve
    turn_off_action:
      - script.execute: close_valve
    on_turn_on:
      - script.stop: turn_off_boiler
    on_turn_off:
      - script.execute: turn_off_boiler
  # Test mode switch
  - platform: template
    id: water_guard_test_mode
    name: "Water guard test mode"
    restore_mode: DISABLED
    lambda: |-
      return id(test_mode);
    turn_on_action:
      - globals.set:
          id: test_mode
          value: "true"
    turn_off_action:
      - globals.set:
          id: test_mode
          value: "false"

button:
  - platform: template
    id: run_valve_maintenance
    name: Run water valve maintenance
    on_press:
      - script.execute: run_maintenance