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Document templates in MQTT climate (#4407)

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* document templates

* Remove stale comment

* Fix template
This commit is contained in:
Lukas Barth 2018-01-14 18:19:19 +01:00 committed by Fabian Affolter
parent 78d5d83468
commit fda2bca3c0
1 changed files with 57 additions and 1 deletions
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source/_components/climate.mqtt.markdown
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@ -78,6 +78,10 @@ payload_not_available:
required: false
type: string
default: offline
value_template:
description: Default template to render the payloads on *all* `*_state_topic`s with.
type: template
required: false
current_temperature_topic:
description: The MQTT topic on which to listen for the current temperature.
required: false
@ -94,6 +98,10 @@ mode_state_topic:
description: The MQTT topic to subscribe for changes of the HVAC operation mode. If this is not set, the operation mode works in optimistic mode (see below).
required: false
type: string
mode_state_template:
description: A template to render the value received on the `mode_state_topic` with.
required: false
type: template
temperature_command_topic:
description: The MQTT topic to publish commands to change the target temperature.
required: false
@ -102,6 +110,10 @@ temperature_state_topic:
description: The MQTT topic to subscribe for changes in the target temperature. If this is not set, the target temperature works in optimistic mode (see below).
required: false
type: string
temperature_state_template:
description: A template to render the value received on the `temperature_state_topic` with.
required: false
type: template
fan_mode_command_topic:
description: The MQTT topic to publish commands to change the fan mode.
required: false
@ -110,6 +122,10 @@ fan_mode_state_topic:
description: The MQTT topic to subscribe for changes of the HVAC fan mode. If this is not set, the fan mode works in optimistic mode (see below).
required: false
type: string
fan_mode_state_template:
description: A template to render the value received on the `fan_mode_state_topic` with.
required: false
type: template
swing_mode_command_topic:
description: The MQTT topic to publish commands to change the swing mode.
required: false
@ -118,6 +134,10 @@ swing_mode_state_topic:
description: The MQTT topic to subscribe for changes of the HVAC swing mode. If this is not set, the swing mode works in optimistic mode (see below).
required: false
type: string
swing_mode_state_template:
description: A template to render the value received on the `swing_mode_state_topic` with.
required: false
type: template
away_mode_command_topic:
description: The MQTT topic to publish commands to change the away mode.
required: false
@ -126,6 +146,10 @@ away_mode_state_topic:
description: The MQTT topic to subscribe for changes of the HVAC away mode. If this is not set, the away mode works in optimistic mode (see below).
required: false
type: string
away_mode_state_template:
description: A template to render the value received on the `away_mode_state_topic` with.
required: false
type: template
hold_command_topic:
description: The MQTT topic to publish commands to change the hold mode.
required: false
@ -134,6 +158,10 @@ hold_state_topic:
description: The MQTT topic to subscribe for changes of the HVAC hold mode. If this is not set, the hold mode works in optimistic mode (see below).
required: false
type: string
hold_state_template:
description: A template to render the value received on the `hold_state_topic` with.
required: false
type: template
aux_command_topic:
description: The MQTT topic to publish commands to switch auxiliary heat.
required: false
@ -142,12 +170,40 @@ aux_state_topic:
description: The MQTT topic to subscribe for changes of the auxiliary heat mode. If this is not set, the auxiliary heat mode works in optimistic mode (see below).
required: false
type: string
aux_state_template:
description: A template to render the value received on the `aux_state_topic` with.
required: false
type: template
{% endconfiguration %}
#### Optimistic mode
#### {% linkable_title Optimistic mode %}
If a property works in *optimistic mode* (when the corresponding state topic is not set), home assistant will assume that any state changes published to the command topics did work and change the internal state of the entity immediately after publishing to the command topic. If it does not work in optimistic mode, the internal state of the entity is only updated when the requested update is confirmed by the device through the state topic.
#### {% linkable_title Using Templates %}
For all `*_state_topic`s, a template can be specified that will be used to render the incoming payloads on these topics. Also, a default template that applies to all state topis can be specified as `value_template`. This can be useful if you received payloads are e.g. in JSON format. Since in JSON, a quoted string (e.g. `"foo"`) is just a string, this can also be used for unquoting.
Say you receive the operation mode `"auto"` via your `mode_state_topic`, but the mode is actually called just `auto`, here's what you could do:
{% raw %}
```yaml
climate:
- platform: mqtt
name: Study
modes:
- off
- on
- auto
mode_command_topic: "study/ac/mode/set"
mode_state_topic: "study/ac/mode/state"
mode_state_template: "{{ value_json }}"
```
{% endraw %}
This will parse the incoming `"auto"` as JSON, resulting in `auto`. Obvisouly, in this case you could also just set `value_template: {% raw %}"{{ value_json }}"{% endraw %}`.
### {% linkable_title Example %}
A full configuration example looks like the one below.