esphome:
  name: homemaster-opentherm
  name_add_mac_suffix: true
  friendly_name: HomeMaster OpenTherm Gateway
  min_version: 2026.7.0
  project:
    name: homemaster.opentherm_gateway
    version: "1.2.0"

esp32:
  variant: esp32
  board: esp32dev
  flash_size: 16MB
  framework:
    type: esp-idf

logger:

api:
  encryption:
    # No `key:` here — intentional and required. The key is set during
    # provisioning. A key baked into a publicly published factory binary
    # would be identical on every unit, i.e. equivalent to no key at all.

provisioning:
  timeout: 15min
  on_timeout:
    then:
      - logger.log: "Provisioning window closed. Power-cycle the device to reopen it."

wifi:
  on_connect:
    then:
      - delay: 10s
      - component.update: firmware_update

esp32_improv:
  authorizer: none

improv_serial:

dashboard_import:
  package_import_url: github://isystemsautomation/homemaster-dev/OpenthermGateway/Firmware/opentherm.yaml@main
  import_full_config: true

http_request:

ota:
  - platform: esphome
  - platform: http_request

update:
  - platform: http_request
    id: firmware_update
    name: "Firmware Update"
    source: https://isystemsautomation.github.io/homemaster-dev/OpenthermGateway/Firmware/manifest.json
    update_interval: 6h

opentherm:
  id: ot_bus
  in_pin: GPIO21
  out_pin: GPIO26

binary_sensor:
  - platform: status
    id: esp_status
    name: "ESP Status"
    entity_category: diagnostic

  - platform: gpio
    id: button_1
    name: "Button"
    pin:
      number: GPIO35
      inverted: true
      mode:
        input: true

  - platform: opentherm
    # Core (minimum) set: IDs 0, 5, 6.
    fault_indication:
      id: ot_fault_indication
      name: "Boiler Fault Indication"
      entity_category: diagnostic
    flame_on:
      id: ot_flame_on
      name: "Boiler Flame On"
    ch_active:
      id: ot_ch_active
      name: "Boiler CH Active"
    dhw_active:
      id: ot_dhw_active
      name: "Boiler DHW Active"
    service_request:
      id: ot_service_request
      name: "Boiler Service Request"
      entity_category: diagnostic
    lockout_reset:
      id: ot_lockout_reset
      name: "Boiler Lockout Reset"
      entity_category: diagnostic
    low_water_pressure:
      id: ot_low_water_pressure
      name: "Boiler Low Water Pressure"
      entity_category: diagnostic
    flame_fault:
      id: ot_flame_fault
      name: "Boiler Flame Fault"
      entity_category: diagnostic
    air_pressure_fault:
      id: ot_air_pressure_fault
      name: "Boiler Air Pressure Fault"
      entity_category: diagnostic
    water_over_temp:
      id: ot_water_over_temp
      name: "Boiler Water Overtemperature"
      entity_category: diagnostic
    dhw_setpoint_transfer_enabled:
      id: ot_dhw_setpoint_transfer_enabled
      name: "Boiler DHW Setpoint Transfer Enabled"
      entity_category: diagnostic
    max_ch_setpoint_transfer_enabled:
      id: ot_max_ch_setpoint_transfer_enabled
      name: "Boiler Max CH Setpoint Transfer Enabled"
      entity_category: diagnostic
    dhw_setpoint_rw:
      id: ot_dhw_setpoint_rw
      name: "Boiler DHW Setpoint RW"
      entity_category: diagnostic
    max_ch_setpoint_rw:
      id: ot_max_ch_setpoint_rw
      name: "Boiler Max CH Setpoint RW"
      entity_category: diagnostic

    # Extended set (model-dependent). Disabled by default.
    diagnostic_indication:
      id: ot_diagnostic_indication
      name: "Boiler Diagnostic Indication"
      entity_category: diagnostic
      disabled_by_default: true

one_wire:
  - platform: gpio
    id: ow_bus_1
    pin: GPIO4

  - platform: gpio
    id: ow_bus_2
    pin: GPIO5

sensor:
  - platform: uptime
    id: esp_uptime
    internal: true
    update_interval: 60s

  - platform: wifi_signal
    id: wifi_signal_db
    name: "WiFi Signal"
    update_interval: 60s
    entity_category: diagnostic

  - platform: internal_temperature
    id: esp32_temperature
    name: "ESP32 Temperature"
    update_interval: 60s
    entity_category: diagnostic

  - platform: opentherm
    # Core (minimum) set: IDs 17, 24.
    t_boiler:
      id: ot_t_boiler
      name: "Boiler Water Temperature"
      unit_of_measurement: "°C"
    rel_mod_level:
      id: ot_rel_mod_level
      name: "Boiler Relative Modulation Level"
      unit_of_measurement: "%"

    # Extended set (model-dependent). Disabled by default.
    t_ret:
      id: ot_t_ret
      name: "Boiler Return Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    t_dhw:
      id: ot_t_dhw
      name: "Boiler DHW Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    t_outside:
      id: ot_t_outside
      name: "Boiler Outside Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    ch_pressure:
      id: ot_ch_pressure
      name: "Boiler CH Pressure"
      unit_of_measurement: "bar"
      disabled_by_default: true
    dhw_flow_rate:
      id: ot_dhw_flow_rate
      name: "Boiler DHW Flow Rate"
      unit_of_measurement: "l/min"
      disabled_by_default: true
    t_collector:
      id: ot_t_collector
      name: "Boiler Collector Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    t_flow_ch2:
      id: ot_t_flow_ch2
      name: "Boiler CH2 Flow Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    t_dhw2:
      id: ot_t_dhw2
      name: "Boiler DHW2 Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true
    t_exhaust:
      id: ot_t_exhaust
      name: "Boiler Exhaust Temperature"
      unit_of_measurement: "°C"
      disabled_by_default: true

  - platform: dallas_temp
    id: ow_bus_1_temperature
    one_wire_id: ow_bus_1
    name: "1-Wire Bus 1 Temperature"
    unit_of_measurement: "°C"

  - platform: dallas_temp
    id: ow_bus_2_temperature
    one_wire_id: ow_bus_2
    name: "1-Wire Bus 2 Temperature"
    unit_of_measurement: "°C"

switch:
  - platform: opentherm
    # Core control (ID 0).
    ch_enable:
      id: ot_ch_enable
      name: "Boiler CH Enable"
      restore_mode: RESTORE_DEFAULT_ON
    dhw_enable:
      id: ot_dhw_enable
      name: "Boiler DHW Enable"
      restore_mode: RESTORE_DEFAULT_ON
    # Extended control (model-dependent). Disabled by default.
    cooling_enable:
      id: ot_cooling_enable
      name: "Boiler Cooling Enable"
      disabled_by_default: true
    otc_active:
      id: ot_otc_active
      name: "Boiler OTC Active"
      disabled_by_default: true
    ch2_active:
      id: ot_ch2_active
      name: "Boiler CH2 Active"
      disabled_by_default: true
    summer_mode_active:
      id: ot_summer_mode_active
      name: "Boiler Summer Mode Active"
      disabled_by_default: true
    dhw_block:
      id: ot_dhw_block
      name: "Boiler DHW Block"
      disabled_by_default: true

  - platform: gpio
    id: relay_1
    name: "Relay"
    pin: GPIO32

number:
  - platform: opentherm
    # Core (minimum) set: IDs 1, 56.
    t_set:
      id: ot_t_set
      name: "Boiler CH Setpoint"
      min_value: 20
      max_value: 80
      step: 1
    t_dhw_set:
      id: ot_t_dhw_set
      name: "Boiler DHW Setpoint"
      min_value: 35
      max_value: 65
      step: 1

    # Extended controls (model-dependent). Disabled by default.
    max_t_set:
      id: ot_max_t_set
      name: "Boiler Max CH Setpoint"
      min_value: 30
      max_value: 85
      step: 1
      disabled_by_default: true
    max_rel_mod_level:
      id: ot_max_rel_mod_level
      name: "Boiler Max Relative Modulation Level"
      min_value: 0
      max_value: 100
      step: 1
      disabled_by_default: true
    otc_hc_ratio:
      id: ot_otc_hc_ratio
      name: "Boiler OTC Heat Curve Ratio"
      min_value: 0
      max_value: 127
      step: 1
      disabled_by_default: true

text_sensor:
  - platform: template
    id: esp_uptime_human
    name: "ESP Uptime Human"
    entity_category: diagnostic
    update_interval: 60s
    lambda: |-
      if (isnan(id(esp_uptime).state)) {
        return {};
      }
      int total_seconds = (int) id(esp_uptime).state;
      int days = total_seconds / 86400;
      int hours = (total_seconds % 86400) / 3600;
      if (days > 0) {
        return {to_string(days) + "d " + to_string(hours) + "h"};
      }
      int minutes = (total_seconds % 3600) / 60;
      if (hours > 0) {
        return {to_string(hours) + "h " + to_string(minutes) + "m"};
      }
      return {to_string(minutes) + "m"};

  - platform: version
    id: esphome_version
    name: "ESPHome Version"
    entity_category: diagnostic

  - platform: wifi_info
    ip_address:
      id: esp_ip_address
      name: "ESP IP Address"
      entity_category: diagnostic

status_led:
  pin:
    number: GPIO33
    inverted: true