66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
using System.Reactive.Linq;
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using InnovEnergy.Lib.Devices.EmuMeter;
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using InnovEnergy.Lib.Protocols.DBus;
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using InnovEnergy.Lib.Protocols.Modbus.Clients;
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using InnovEnergy.Lib.Utils;
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using InnovEnergy.Lib.Victron.VeDBus;
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namespace InnovEnergy.App.EmuMeterDriver;
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public static class EmuMeterDriver
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{
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public static Task<Exception> Run(String hostName, Bus dbusAddress)
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{
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return Run(hostName, ModbusTcpClient.DefaultPort, dbusAddress);
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}
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public static async Task<Exception> Run(String hostName, UInt16 port, Bus dbusAddress)
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{
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// var ep = new UnixDomainSocketEndPoint("/home/eef/graber_dbus.sock");
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// var auth = AuthenticationMethod.ExternalAsRoot();
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// dbusAddress = new Bus(ep, auth);
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var emuMeter = new EmuMeterDevice(hostName, port, Config.ModbusNodeId);
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var meterStatus = Observable
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.Interval(Config.UpdatePeriod)
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.Select(_ => emuMeter.Read())
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.Publish();
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var poller = meterStatus.Connect();
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var properties = Config.DefaultProperties;
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var signals = Config
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.Signals
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.Select(signal => meterStatus.Select(signal.ToVeProperty))
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.Merge()
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.Do(p => properties.Set(p));
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// TODO: remove when possible
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// Apparently some VE services need to be periodically reminded that
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// this service is /Connected
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meterStatus.Subscribe(_ => properties.Set("/Connected", 1));
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// Wait until status is read once to make sure all
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// properties are set when we go onto the bus.
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var dbus = meterStatus
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.Skip(1)
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.Take(1)
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.SelectMany(_ => PublishPropertiesOnDBus(properties, dbusAddress));
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return await signals
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.MergeErrors(dbus)
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.Finally(poller.Dispose)
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.SelectErrors();
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}
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private static Task<Exception> PublishPropertiesOnDBus(VeProperties properties, Bus bus)
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{
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Console.WriteLine($"Connecting to DBus {bus}");
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return properties.PublishOnDBus(bus, Config.BusName);
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}
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} |