home-assistant-futurehome/futurehome/src/services/sensor_freq.ts

import { VinculumPd7Device, VinculumPd7Service } from "../fimp/vinculum_pd7_device";
import { ServiceComponentsCreationResult } from "../ha/publish_device";

export function sensor_freq__components(
  topicPrefix: string,
  device: VinculumPd7Device,
  svc: VinculumPd7Service
): ServiceComponentsCreationResult | undefined {
  const device_class = 'frequency';
  const unit = svc.props?.sup_units?.[0] ?? 'Hz';

  return {
    components: {
      [svc.addr]: {
        unique_id: svc.addr,
        p: 'sensor',
        device_class: device_class,
        unit_of_measurement: unit,
        value_template: `{{ value_json['${svc.addr}'].sensor }}`,
      },
    }
  };
}