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xrad / foxess_work_mode.ninja2

Created April 9, 2025 18:55

Determine a recommended FoxESS work mode to shift battery charging to a later point in the day. This is good for the battery life as well as it assists power providers by taking away feed-in during peak times.

	{% set options = state_attr('select.h3_work_mode', "options") %}
	{% set opt_self_use = options[0] %}
	{% set opt_feed_in = options[1] %}

	{# default to self-use #}
	{% set recommended_work_mode = opt_self_use %}

	{% set pv_power = states('sensor.pv_power_h3') \| float(0) %}
	{% set pv_energy_expected = states('sensor.solcast_pv_forecast_prognose_verbleibende_leistung_heute') \| float(0) %}
	{# require at least some current and expected PV power #}

xrad / iso_ffi.dart

Created September 14, 2023 17:11

Simple Dart example to demonstrate shared memory for Isolates

	import 'dart:ffi';
	import 'dart:isolate';
	import 'dart:io';
	import 'package:ffi/ffi.dart';

	void newIsolate(SendPort sendPort) {
	final ptr = calloc.allocate<Int>(100);
	ptr[0] = 42;
	sendPort.send(ptr.address);
	sleep(const Duration(seconds: 1));