homebridge-freeathome-local-api/dist/dimmerAccessory.js

Control your free@home setup using the local API provided by your System Access Point

import { FreeAtHomeAccessory } from "./freeAtHomeAccessory.js";
import { EmptyGuid, convertToString } from "./util.js";
/** A dimming actuator accessory.*/
export class DimmerAccessory extends FreeAtHomeAccessory {
    platform;
    accessory;
    service;
    stateOn;
    stateBrightness;
    /**
     * Constructs a new dimming actuator accessory instance.
     * @param platform The free@home Homebridge platform controlling the accessory
     * @param accessory The platform accessory.
     */
    constructor(platform, accessory) {
        super(platform, accessory);
        this.platform = platform;
        this.accessory = accessory;
        // set initial state
        this.stateOn = !!parseInt(this.accessory.context.channel.outputs?.odp0000.value ?? "0");
        this.stateBrightness = parseInt(this.accessory.context.channel.outputs?.odp0001.value ??
            this.accessory.context.channel.inputs?.idp0002.value ??
            "0");
        // get the Lightbulb service if it exists, otherwise create a new service instance
        this.service =
            this.accessory.getService(this.platform.Service.Lightbulb) ||
                this.accessory.addService(this.platform.Service.Lightbulb);
        // register handlers for the On/Off Characteristic
        this.service
            .getCharacteristic(this.platform.Characteristic.On)
            .onSet(this.setOn.bind(this))
            .onGet(() => this.stateOn);
        // register handlers for the Brightness Characteristic
        this.service
            .getCharacteristic(this.platform.Characteristic.Brightness)
            .onSet(this.setBrightness.bind(this))
            .onGet(() => this.stateBrightness);
    }
    async setOn(value) {
        // avoid unncessary updates or update cache
        if (value === this.stateOn)
            return;
        else
            this.stateOn = value;
        // log event
        this.platform.log.info(`${this.accessory.displayName} (Dimmer Accessory ${this.serialNumber}) set characteristic On -> ${convertToString(value)}`);
        // set data point at SysAP
        await this.platform.sysap.setDatapoint(EmptyGuid, this.accessory.context.deviceSerial, this.accessory.context.channelId, "idp0000", value ? "1" : "0");
        // restore previous brightness
        if (value && this.stateBrightness)
            await this.setBrightness(this.stateBrightness);
    }
    async setBrightness(value) {
        // avoid unncessary updates or update cache
        if (value === this.stateBrightness)
            return;
        else
            this.stateBrightness = value;
        // log event
        this.platform.log.info(`${this.accessory.displayName} (Dimmer Accessory ${this.serialNumber}) set characteristic Brightness -> ${convertToString(value)}`);
        // set data point at SysAP
        await this.platform.sysap.setDatapoint(EmptyGuid, this.accessory.context.deviceSerial, this.accessory.context.channelId, "idp0002", convertToString(value));
    }
    updateDatapoint(datapoint, value) {
        // ignore unknown data points
        switch (datapoint) {
            case "odp0000":
                this.stateOn = !!parseInt(value);
                // do the update
                this.doUpdateDatapoint("Dimmer Accessory", this.service, this.platform.Characteristic.On, this.stateOn);
                return;
            case "odp0001":
                // Do NOT set brightness to 0, otherwise when turning the dimmer back on, brightness will be 100%.
                if (value === "0")
                    return;
                this.stateBrightness = parseInt(value);
                this.doUpdateDatapoint("Dimmer Accessory", this.service, this.platform.Characteristic.Brightness, this.stateBrightness);
                return;
            default:
                return;
        }
    }
}
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