canbus: replace BLE integration with CAN node in HA + MQTT bridge home
The campsite HAOS Pi now runs the ESPHome CAN node natively ("OneControl
CAN", *.onecontrol_can_*); the BLE integration is fully torn out (config
entry, custom_components on the Pi, stale MQTT registry orphans) and the
camper dashboard rewritten — water-pump tile dropped on purpose (pump is
panel-only), awning + fault sensors added.
New canbus/ha/mqtt_bridge_onecontrol.yaml (deployed to the Pi as
packages/mqtt_bridge.yaml) bridges the CAN entities to the home broker
via MQTT Discovery, same pattern as the gazebo bridge. Kept the old
unique_ids so home entity ids and recorder history carried over; added
an availability topic and explicit command-topic allowlists (3 switches
+ awning — a future debug entity must not become remotely controllable
for free). Round-trip verified from home HA.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Claude Fable 5
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# Campsite MQTT Bridge — publishes the OneControl CAN entities to home
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# Mosquitto (cyrion, 192.168.88.69) via MQTT Discovery so they auto-appear
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# on the home HA (192.168.88.40) as device "Campsite OneControl".
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#
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# Source side is the ESPHome IDS-CAN node ("OneControl CAN", entities
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# *.onecontrol_can_*) — NOT the retired BLE integration.
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# No water pump and no slide covers on purpose: those are panel-only
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# (see canbus/HANDOFF.md safety notes).
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#
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# Deploy to Pi: /config/packages/mqtt_bridge.yaml
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# Repo copy: canbus/ha/mqtt_bridge_onecontrol.yaml
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automation:
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# --- MQTT Discovery publish on startup / reload / every 6h ---
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- id: campsite_mqtt_discovery
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alias: "MQTT Bridge: Publish Discovery"
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triggers:
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- trigger: homeassistant
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event: start
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- trigger: event
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event_type: automation_reloaded
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- trigger: time_pattern
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hours: "/6"
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actions:
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- delay: "00:00:05"
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- action: mqtt.publish
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data:
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topic: "campsite/onecontrol/availability"
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retain: true
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payload: >-
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{{ 'offline' if states('sensor.onecontrol_can_battery_voltage')
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in ['unavailable', 'unknown'] else 'online' }}
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# Switches
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- action: mqtt.publish
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data:
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topic: "homeassistant/switch/campsite/gas_water_heater/config"
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retain: true
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payload: >-
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{"name": "Water Heater",
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"unique_id": "campsite_gas_water_heater",
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"state_topic": "campsite/switch/water_heater/state",
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"command_topic": "campsite/switch/water_heater/set",
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"payload_on": "ON", "payload_off": "OFF",
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"state_on": "ON", "state_off": "OFF",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"],
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"name": "Campsite OneControl",
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"manufacturer": "Lippert",
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"model": "Chateau 22QB (IDS-CAN)"}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/switch/campsite/exterior_lights/config"
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retain: true
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payload: >-
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{"name": "Exterior Lights",
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"unique_id": "campsite_exterior_lights",
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"state_topic": "campsite/switch/exterior_lights/state",
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"command_topic": "campsite/switch/exterior_lights/set",
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"payload_on": "ON", "payload_off": "OFF",
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"state_on": "ON", "state_off": "OFF",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/switch/campsite/interior_lights/config"
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retain: true
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payload: >-
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{"name": "Interior Lights",
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"unique_id": "campsite_interior_lights",
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"state_topic": "campsite/switch/interior_lights/state",
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"command_topic": "campsite/switch/interior_lights/set",
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"payload_on": "ON", "payload_off": "OFF",
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"state_on": "ON", "state_off": "OFF",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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# Sensors
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- action: mqtt.publish
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data:
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topic: "homeassistant/sensor/campsite/battery_voltage/config"
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retain: true
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payload: >-
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{"name": "Battery Voltage",
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"unique_id": "campsite_battery_voltage",
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"state_topic": "campsite/sensor/battery_voltage/state",
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"unit_of_measurement": "V",
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"device_class": "voltage",
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"state_class": "measurement",
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"suggested_display_precision": 2,
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/sensor/campsite/fresh_water_tank/config"
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retain: true
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payload: >-
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{"name": "Fresh Water Tank",
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"unique_id": "campsite_fresh_water_tank",
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"state_topic": "campsite/sensor/fresh_water_tank/state",
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"unit_of_measurement": "%",
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"state_class": "measurement",
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"icon": "mdi:water",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/sensor/campsite/grey_tank_1/config"
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retain: true
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payload: >-
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{"name": "Grey Tank 1",
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"unique_id": "campsite_grey_tank_1",
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"state_topic": "campsite/sensor/grey_tank_1/state",
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"unit_of_measurement": "%",
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"state_class": "measurement",
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"icon": "mdi:water-opacity",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/sensor/campsite/grey_tank_2/config"
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retain: true
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payload: >-
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{"name": "Grey Tank 2",
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"unique_id": "campsite_grey_tank_2",
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"state_topic": "campsite/sensor/grey_tank_2/state",
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"unit_of_measurement": "%",
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"state_class": "measurement",
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"icon": "mdi:water-opacity",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/sensor/campsite/black_tank/config"
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retain: true
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payload: >-
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{"name": "Black Tank",
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"unique_id": "campsite_black_tank",
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"state_topic": "campsite/sensor/black_tank/state",
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"unit_of_measurement": "%",
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"state_class": "measurement",
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"icon": "mdi:water-alert",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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# Fault binary sensors
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- action: mqtt.publish
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data:
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topic: "homeassistant/binary_sensor/campsite/water_heater_dsi_fault/config"
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retain: true
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payload: >-
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{"name": "Water Heater DSI Fault",
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"unique_id": "campsite_water_heater_dsi_fault",
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"state_topic": "campsite/binary_sensor/water_heater_dsi_fault/state",
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"payload_on": "ON", "payload_off": "OFF",
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"device_class": "problem",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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- action: mqtt.publish
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data:
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topic: "homeassistant/binary_sensor/campsite/onecontrol_system_fault/config"
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retain: true
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payload: >-
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{"name": "System Fault",
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"unique_id": "campsite_onecontrol_system_fault",
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"state_topic": "campsite/binary_sensor/onecontrol_system_fault/state",
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"payload_on": "ON", "payload_off": "OFF",
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"device_class": "problem",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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# Awning
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- action: mqtt.publish
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data:
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topic: "homeassistant/cover/campsite/awning/config"
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retain: true
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payload: >-
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{"name": "Awning",
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"unique_id": "campsite_awning",
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"state_topic": "campsite/cover/awning/state",
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"command_topic": "campsite/cover/awning/set",
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"device_class": "awning",
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"availability_topic": "campsite/onecontrol/availability",
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"device": {"identifiers": ["campsite_onecontrol"]}}
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# Publish current states immediately after discovery
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- delay: "00:00:02"
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- action: mqtt.publish
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data:
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topic: "campsite/switch/water_heater/state"
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retain: true
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payload: "{{ 'ON' if is_state('switch.onecontrol_can_water_heater', 'on') else 'OFF' }}"
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- action: mqtt.publish
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data:
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topic: "campsite/switch/exterior_lights/state"
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retain: true
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payload: "{{ 'ON' if is_state('switch.onecontrol_can_exterior_lights', 'on') else 'OFF' }}"
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- action: mqtt.publish
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data:
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topic: "campsite/switch/interior_lights/state"
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retain: true
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payload: "{{ 'ON' if is_state('switch.onecontrol_can_interior_lights', 'on') else 'OFF' }}"
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/battery_voltage/state"
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retain: true
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payload: "{{ states('sensor.onecontrol_can_battery_voltage') }}"
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/fresh_water_tank/state"
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retain: true
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payload: "{{ states('sensor.onecontrol_can_fresh_water_tank') }}"
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/grey_tank_1/state"
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retain: true
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payload: "{{ states('sensor.onecontrol_can_grey_tank_1') }}"
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/grey_tank_2/state"
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retain: true
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payload: "{{ states('sensor.onecontrol_can_grey_tank_2') }}"
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/black_tank/state"
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retain: true
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payload: "{{ states('sensor.onecontrol_can_black_tank') }}"
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- action: mqtt.publish
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data:
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topic: "campsite/binary_sensor/water_heater_dsi_fault/state"
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retain: true
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payload: "{{ 'ON' if is_state('binary_sensor.onecontrol_can_water_heater_dsi_fault', 'on') else 'OFF' }}"
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- action: mqtt.publish
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data:
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topic: "campsite/binary_sensor/onecontrol_system_fault/state"
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retain: true
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payload: "{{ 'ON' if is_state('binary_sensor.onecontrol_can_onecontrol_system_fault', 'on') else 'OFF' }}"
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- action: mqtt.publish
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data:
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topic: "campsite/cover/awning/state"
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retain: true
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payload: "{{ states('cover.onecontrol_can_awning') }}"
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# --- Availability tracking (CAN node up/down) ---
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- id: campsite_forward_availability
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alias: "MQTT Bridge: Forward Availability"
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triggers:
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- trigger: state
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entity_id: sensor.onecontrol_can_battery_voltage
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to: "unavailable"
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- trigger: state
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entity_id: sensor.onecontrol_can_battery_voltage
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from: "unavailable"
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actions:
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- action: mqtt.publish
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data:
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topic: "campsite/onecontrol/availability"
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retain: true
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payload: >-
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{{ 'offline' if trigger.to_state.state == 'unavailable' else 'online' }}
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# --- State change forwarding ---
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- id: campsite_forward_switch_states
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alias: "MQTT Bridge: Forward Switch States"
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triggers:
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- trigger: state
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entity_id:
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- switch.onecontrol_can_water_heater
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- switch.onecontrol_can_exterior_lights
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- switch.onecontrol_can_interior_lights
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conditions:
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- condition: template
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value_template: "{{ trigger.to_state.state in ['on', 'off'] }}"
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actions:
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- action: mqtt.publish
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data:
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topic: "campsite/switch/{{ trigger.to_state.object_id | replace('onecontrol_can_', '') }}/state"
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retain: true
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payload: "{{ trigger.to_state.state | upper }}"
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- id: campsite_forward_sensor_states
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alias: "MQTT Bridge: Forward Sensor States"
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triggers:
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- trigger: state
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entity_id:
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- sensor.onecontrol_can_battery_voltage
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- sensor.onecontrol_can_fresh_water_tank
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- sensor.onecontrol_can_grey_tank_1
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- sensor.onecontrol_can_grey_tank_2
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- sensor.onecontrol_can_black_tank
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conditions:
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- condition: template
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value_template: "{{ trigger.to_state.state not in ['unavailable', 'unknown'] }}"
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actions:
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- action: mqtt.publish
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data:
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topic: "campsite/sensor/{{ trigger.to_state.object_id | replace('onecontrol_can_', '') }}/state"
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retain: true
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payload: "{{ trigger.to_state.state }}"
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- id: campsite_forward_binary_sensor_states
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alias: "MQTT Bridge: Forward Fault States"
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triggers:
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- trigger: state
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entity_id:
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- binary_sensor.onecontrol_can_water_heater_dsi_fault
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- binary_sensor.onecontrol_can_onecontrol_system_fault
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conditions:
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- condition: template
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value_template: "{{ trigger.to_state.state in ['on', 'off'] }}"
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actions:
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- action: mqtt.publish
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data:
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topic: "campsite/binary_sensor/{{ trigger.to_state.object_id | replace('onecontrol_can_', '') }}/state"
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retain: true
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payload: "{{ trigger.to_state.state | upper }}"
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- id: campsite_forward_cover_states
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alias: "MQTT Bridge: Forward Cover States"
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triggers:
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- trigger: state
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entity_id:
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- cover.onecontrol_can_awning
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conditions:
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- condition: template
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value_template: "{{ trigger.to_state.state not in ['unavailable', 'unknown'] }}"
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actions:
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- action: mqtt.publish
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data:
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topic: "campsite/cover/{{ trigger.to_state.object_id | replace('onecontrol_can_', '') }}/state"
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retain: true
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payload: "{{ trigger.to_state.state }}"
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# --- Incoming command handling ---
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# Explicit allowlists — the wildcard subscription must never widen the bridge
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# beyond the 3 switches + awning it intends to expose. A future debug/test
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# entity on the ESPHome node must NOT become remotely controllable for free
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# (the firmware command_guard is the backstop, not the only gate).
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- id: campsite_handle_switch_commands
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alias: "MQTT Bridge: Handle Switch Commands"
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triggers:
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- trigger: mqtt
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topic: "campsite/switch/+/set"
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conditions:
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- condition: template
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value_template: >-
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{{ trigger.topic.split('/')[2] in
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['water_heater', 'exterior_lights', 'interior_lights'] }}
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- condition: template
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value_template: "{{ trigger.payload | lower in ['on', 'off'] }}"
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actions:
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- action: "switch.turn_{{ trigger.payload | lower }}"
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target:
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entity_id: "switch.onecontrol_can_{{ trigger.topic.split('/')[2] }}"
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- id: campsite_handle_cover_commands
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alias: "MQTT Bridge: Handle Cover Commands"
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triggers:
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- trigger: mqtt
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topic: "campsite/cover/+/set"
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conditions:
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- condition: template
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value_template: "{{ trigger.topic.split('/')[2] == 'awning' }}"
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- condition: template
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value_template: "{{ trigger.payload | lower in ['open', 'close', 'stop'] }}"
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actions:
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- action: "cover.{{ trigger.payload | lower }}_cover"
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target:
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entity_id: "cover.onecontrol_can_{{ trigger.topic.split('/')[2] }}"
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Reference in New Issue
Block a user