AmpliPi Binding

This binding supports the multi-room audio system AmpliPi (opens new window) from MicroNova (opens new window).

Supported Things

The AmpliPi itself is modeled as a Bridge of type controller. Every available zone as well as group is managed as an individual Thing of type zone resp. group.

Discovery

The AmpliPi announces itself through mDNS, so that the bindings is able to find it automatically.

As soon as the AmpliPi is online, its zones and groups are automatically retrieved and added as Things to the Inbox.

Thing Configuration

The controller Bridge has two configuration parameters:

Parameter	Required	Description
hostname	yes	The hostname or IP address of the AmpliPi on the network
refreshInterval	no	The time to wait between two polling requests for receiving state updates. Defaults to 10 seconds.

Both the zone and group Things only require a single configuration parameter id, which corresponds to their id on the AmpliPi.

Channels

These are the channels of the controller Bridge:

Channel	Type	Description
preset	Number	Allows setting a pre-configured preset. The available options are dynamically read from the AmpliPi.
input1	String	The selected input of source 1
input2	String	The selected input of source 2
input3	String	The selected input of source 3
input4	String	The selected input of source 4

The zone and group Things have the following channels:

Channel	Type	Description
volume	Dimmer	The volume of the zone/group
mute	Switch	Mutes the zone/group
source	Number	The source (1-4) that this zone/group is playing

Audio Sink

For every AmpliPi controller, an audio sink is registered with the id of the thing. This audio sink accepts urls and audio files to be played. It uses the AmpliPi's PA feature for announcements on all available zones. If no volume value is passed, the current volume of each zone is used, otherwise the provided volume is temporarily set on all zones for the announcement.

Full Example

amplipi.things:

Bridge amplipi:controller:1 "My AmpliPi" [ hostname="amplipi.local" ] {
    zone zone2 "Living Room" [ id=1 ]
}

amplipi.items:

Number      Preset      "Preset"                { channel="amplipi:controller:1:preset" }
String      Input1      "Input 1"               { channel="amplipi:controller:1:input1" }
String      Input2      "Input 2"               { channel="amplipi:controller:1:input2" }
String      Input3      "Input 3"               { channel="amplipi:controller:1:input3" }
String      Input4      "Input 4"               { channel="amplipi:controller:1:input4" }

Dimmer      VolumeZ2    "Volume Zone2"          { channel="amplipi:zone:1:zone2:volume" }
Switch      MuteZ2      "Mute Zone2"            { channel="amplipi:zone:1:zone2::mute" }
Number      SourceZ2    "Source Zone2"          { channel="amplipi:zone:1:zone2::source" }

amplipi.sitemap:

sitemap amplipi label="Main Menu"
{
    Frame label="AmpliPi" {
        Selection item=Preset
        Selection item=Input1
        Selection item=Input2
        Selection item=Input3
        Selection item=Input4
    }
    Frame label="Living Room Zone" {
        Slider item=VolumeZ2 label="Volume Zone 1 [%.1f %%]"
        Switch item=MuteZ2
        Selection item=SourceZ2
    }
}

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