Addf schnieder meter library and app

csharp/App/IEM3kGridMeterDriver/IEM3kGridMeterDriver.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="../../InnovEnergy.Lib.props" />
+  
+  <PropertyGroup>
+    <RootNamespace>InnovEnergy.Lib.Devices.IEM3kGridMeter</RootNamespace>
+    <OutputType>Exe</OutputType>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <ProjectReference Include="../../Utils/Utils.csproj" />
+    <ProjectReference Include="../../Protocols/Modbus/Modbus.csproj" />
+    <ProjectReference Include="../../StatusApi/StatusApi.csproj" />
+  </ItemGroup>
+
+</Project>

csharp/App/SchniederMeterDriver/Nic.cs

@@ -0,0 +1,149 @@
+using System.Text.Json.Nodes;
+using CliWrap;
+using CliWrap.Buffered;
+
+namespace InnovEnergy.App.SchniederDriver;
+
+public readonly struct Nic
+{
+    private static Command IpCommand { get; } = Cli
+                                               .Wrap("/sbin/ip")
+                                               .WithValidation(CommandResultValidation.None);
+    
+    private readonly JsonNode _Node;
+
+    private Nic(JsonNode node)
+    {
+        _Node = node;
+    }
+
+    public Boolean IsEthernet
+    {
+        get
+        {
+            try
+            {
+                return _Node["link_type"]!.GetValue<String>() == "ether";
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+
+    public Boolean IsUp
+    {
+        get
+        {
+            // ReSharper disable once StringLiteralTypo
+            try
+            {
+                return _Node["operstate"]!.GetValue<String>() == "UP";
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+
+    public IReadOnlyList<String> Ip4Addresses
+    {
+        get
+        {
+            // ReSharper disable once StringLiteralTypo
+            try
+            {
+                return _Node["addr_info"]!
+                       .AsArray()
+                       .TryWhere(n => n!["family"]!.GetValue<String>() == "inet")
+                       .TrySelect(n => n!["local"]!.GetValue<String>())
+                       .ToList();
+            }
+            catch
+            {
+                return Array.Empty<String>();
+            }
+        }
+    }
+
+    public String Name
+    {
+        get
+        {
+            // ReSharper disable once StringLiteralTypo
+            try
+            {
+                return _Node["ifname"]!.GetValue<String>();
+            }
+            catch
+            {
+                return "<NO_NAME>";
+            }
+        }
+    }
+    
+  
+
+    public async Task<Boolean> AddPointToPoint(String sourceAddress, String destinationAddress)
+    {
+        var result = await IpCommand
+                          .WithArguments($"address add local {sourceAddress} peer {destinationAddress} dev {Name}")
+                          .ExecuteAsync();
+
+        return result.ExitCode == 0;
+    }
+    
+    public async Task<Boolean> RemoveAddress(String address)
+    {
+        var result = await IpCommand
+                          .WithArguments($"address del {address} dev {Name}")
+                          .ExecuteBufferedAsync();
+
+        return result.ExitCode == 0;
+    }
+
+
+    public  async Task<Boolean> AddRoute(String route)
+    {
+        var result = await IpCommand
+                          .WithArguments($"route add {route} dev {Name}")
+                          .ExecuteAsync();
+
+        return result.ExitCode == 0;
+    }
+
+    public async Task<Boolean> RemoveRoute(String route)
+    {
+        var result = await IpCommand
+                          .WithArguments($"route del {route} dev {Name}")
+                          .ExecuteAsync();
+
+        return result.ExitCode == 0;
+    }
+
+  
+    public static async Task<IReadOnlyList<Nic>> GetNetworkInterfaces()
+    {
+
+        try
+        {
+             var result = await IpCommand
+                               .WithArguments("-details -pretty -json address")
+                               .ExecuteBufferedAsync();
+
+             return JsonNode
+                   .Parse(result.StandardOutput)!
+                   .AsArray()
+                   .Where(n => n != null)
+                   .Select(n => new Nic(n!))
+                   .ToList();
+        }
+        catch 
+        {
+            return Array.Empty<Nic>();
+        }
+    }
+    
+}

csharp/App/SchniederMeterDriver/Program.cs

@@ -0,0 +1,60 @@
+using InnovEnergy.App.SchniederDriver;
+using InnovEnergy.Lib.Protocols.DBus;
+using InnovEnergy.Lib.Utils;
+using InnovEnergy.Lib.Utils.Net;
+
+
+// dotnet publish EmuMeter.csproj -c Release -r linux-arm -p:PublishSingleFile=true --self-contained true && \
+// rsync -av bin/Release/net6.0/linux-arm/publish/ root@10.2.1.6:/home/root/emu && clear && \
+// ssh root@10.2.1.6 /home/root/emu/EmuMeter
+
+
+Console.WriteLine("Starting Schnieder Driver " + Config.Version);
+
+var networkInterfaces = await Nic.GetNetworkInterfaces();
+
+var candidates = networkInterfaces.Where(n => n.IsUp && 
+                                              n.IsEthernet && 
+                                             (!n.Ip4Addresses.Any() || n.Ip4Addresses.Contains(Config.OwnAddress)));
+
+foreach (var nic in candidates)
+{
+    Console.WriteLine($"Found new network interface: {nic.Name}");
+    
+    if (!nic.Ip4Addresses.Contains(Config.OwnAddress))
+    {
+        Console.WriteLine($"Configuring Point-to-Point connection on {nic.Name}");
+        Console.WriteLine($"  own address:  {Config.OwnAddress}");
+        Console.WriteLine($"  peer address: {Config.PeerAddress}");
+        
+        var success = await nic.AddPointToPoint($"{Config.OwnAddress}/16", $"{Config.PeerAddress}/16");
+
+        if (!success)
+        {
+            Console.WriteLine($"Failed to configure network interface: {nic.Name}");
+            continue;
+        }    
+    }
+
+    Console.WriteLine($"Pinging peer @ {Config.PeerAddress}");
+    
+    var ping = await Config.PeerAddress.Ping();
+
+    if (ping)
+    {
+        Console.WriteLine($"Got answer from {Config.PeerAddress}");
+        var ex = await SchniederMeterDriver.Run($"{Config.PeerAddress}:{Config.PeerPort}", Bus.System);
+
+        Console.WriteLine($"{nameof(SchniederMeterDriver)} FAILED with\n{ex}");
+    }
+    else
+    {
+        Console.WriteLine($"No answer from {Config.PeerAddress}");
+    }
+
+    Console.Write($"Removing Point-to-Point connection on {nic.Name} ...");
+    var removed = await nic.RemoveAddress($"{Config.OwnAddress}/16");
+    Console.WriteLine(removed ? "done" : "failed");
+}
+
+Console.WriteLine("Stopping EmuMeter Driver");

csharp/App/SchniederMeterDriver/SchniederMeterDriver.cs

@@ -0,0 +1,66 @@
+using System.Reactive.Linq;
+using InnovEnergy.Lib.Devices.IEM3kGridMeter;
+using InnovEnergy.Lib.Protocols.DBus;
+using InnovEnergy.Lib.Protocols.Modbus.Clients;
+using InnovEnergy.Lib.Utils;
+using InnovEnergy.Lib.Victron.VeDBus;
+
+namespace InnovEnergy.App.SchniederDriver;
+
+public static class SchniederMeterDriver
+{
+    public static Task<Exception> Run(String hostName, Bus dbusAddress)
+    {
+        return Run(hostName, ModbusTcpClient.DefaultPort, dbusAddress);
+    }
+
+    public static async Task<Exception> Run(String hostName, UInt16 port, Bus dbusAddress)
+    {
+        // var ep = new UnixDomainSocketEndPoint("/home/eef/graber_dbus.sock");
+        // var auth = AuthenticationMethod.ExternalAsRoot();
+        // dbusAddress = new Bus(ep, auth);
+
+        var schnieder = new Iem3KGridMeterDevice(hostName, port, Config.ModbusNodeId);
+        
+        
+        var schniederStatus = Observable
+                         .Interval(Config.UpdatePeriod)
+                         .Select(_ => schnieder.Read())
+                         .Publish();
+
+        var poller = schniederStatus.Connect();
+
+        var properties = Config.DefaultProperties;
+
+        var signals = Config
+                     .Signals
+                     .Select(signal => schniederStatus.Select(signal.ToVeProperty))
+                     .Merge()
+                     .Do(p => properties.Set(p));
+
+        // TODO: remove when possible
+        // Apparently some VE services need to be periodically reminded that
+        // this service is /Connected
+        schniederStatus.Subscribe(_ => properties.Set("/Connected", 1));
+        
+        // Wait until status is read once to make sure all
+        // properties are set when we go onto the bus.
+        var dbus = schniederStatus
+                  .Skip(1)
+                  .Take(1)
+                  .SelectMany(_ => PublishPropertiesOnDBus(properties, dbusAddress));
+
+        return await signals
+                    .MergeErrors(dbus)
+                    .Finally(poller.Dispose)
+                    .SelectErrors();
+
+    }
+
+    
+    private static Task<Exception> PublishPropertiesOnDBus(VeProperties properties, Bus bus)
+    {
+        Console.WriteLine($"Connecting to DBus {bus}");
+        return properties.PublishOnDBus(bus, Config.BusName);
+    }
+}

csharp/App/SchniederMeterDriver/SchniederMeterDriver.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    
+    <PropertyGroup>
+        <RootNamespace>InnovEnergy.App.SchniederDriver</RootNamespace>
+        <AssemblyName>SchniederDriver</AssemblyName>
+    </PropertyGroup>
+    
+    <Import Project="../InnovEnergy.App.props" />
+
+    <ItemGroup>
+      <ProjectReference Include="../../Lib/Devices/EmuMeter/EmuMeter.csproj" />
+      <ProjectReference Include="../../Lib/Protocols/DBus/DBus.csproj" />
+      <ProjectReference Include="../../Lib/Protocols/Modbus/Modbus.csproj" />
+      <ProjectReference Include="../../Lib/Utils/Utils.csproj" />
+      <ProjectReference Include="../../Lib/Victron/VeDBus/VeDBus.csproj" />
+      <ProjectReference Include="..\..\Lib\Devices\IEM3kGridMeter\IEM3kGridMeter.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="CliWrap" Version="3.6.0" />
+    </ItemGroup>
+    
+    
+
+</Project>

csharp/App/SchniederMeterDriver/Signal.cs

@@ -0,0 +1,16 @@
+using InnovEnergy.Lib.Devices.EmuMeter;
+using InnovEnergy.Lib.Protocols.DBus.Protocol.DataTypes;
+using InnovEnergy.Lib.Victron.VeDBus;
+
+namespace InnovEnergy.App.SchniederDriver;
+
+
+// TODO: Does not compile
+public record Signal(Func<EmuMeterStatus, Object> Source, ObjectPath Path, String Format = "")
+{
+    public VeProperty ToVeProperty(EmuMeterStatus status)
+    {
+        var value = Source(status);
+        return new VeProperty(Path, value, String.Format($"{{0:{Format}}}", value));
+    }
+}

csharp/App/SchniederMeterDriver/Utils.cs

@@ -0,0 +1,49 @@
+namespace InnovEnergy.App.SchniederDriver;
+
+public static class Utils
+{
+    public static IEnumerable<T> TryWhere<T>(this IEnumerable<T> src, Func<T, Boolean> predicate)
+    {
+        foreach (var e in src)
+        {
+            var ok = false;
+            
+            try
+            {
+                ok = predicate(e);
+            }
+            catch
+            {
+                // ignored
+            }
+
+            if (ok)
+                yield return e;
+        }
+    }
+    
+    public static IEnumerable<R> TrySelect<T,R>(this IEnumerable<T> src, Func<T, R> map)
+    {
+        foreach (var e in src)
+        {
+            var ok = false;
+            var result = default(R);
+            
+            try
+            {
+                result = map(e);
+                ok = true;
+            }
+            catch
+            {
+                // ignored
+            }
+
+            if (ok)
+                yield return result!;
+        }
+    }
+    
+
+
+}

csharp/App/SchniederMeterDriver/service/log/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+exec 2>&1
+exec multilog t s25000 n4 /var/log/EmuMeter

csharp/App/SchniederMeterDriver/service/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+exec 2>&1
+exec softlimit -d 100000000 -s 1000000 -a 100000000 /opt/innovenergy/EmuMeter/EmuMeter

csharp/InnovEnergy.sln

@@ -87,6 +87,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Doepke", "Lib\Devices\Doepk
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Amax5070", "Lib\Devices\Amax5070\Amax5070.csproj", "{09E280B0-43D3-47BD-AF15-CF4FCDD24FE6}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sofar", "App\Sofar\Sofar.csproj", "{6B98449D-BF75-415A-8893-E49518F9307D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SofarInverter", "Lib\Devices\SofarInverter\SofarInverter.csproj", "{2C7F3D89-402B-43CB-988E-8D2D853BEF44}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SchniederMeterDriver", "App\SchniederMeterDriver\SchniederMeterDriver.csproj", "{2E7E7657-3A53-4B62-8927-FE9A082B81DE}"
+EndProject
 
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -226,6 +232,18 @@ Global
 		{09E280B0-43D3-47BD-AF15-CF4FCDD24FE6}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{09E280B0-43D3-47BD-AF15-CF4FCDD24FE6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{09E280B0-43D3-47BD-AF15-CF4FCDD24FE6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6B98449D-BF75-415A-8893-E49518F9307D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6B98449D-BF75-415A-8893-E49518F9307D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6B98449D-BF75-415A-8893-E49518F9307D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6B98449D-BF75-415A-8893-E49518F9307D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2C7F3D89-402B-43CB-988E-8D2D853BEF44}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2C7F3D89-402B-43CB-988E-8D2D853BEF44}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2C7F3D89-402B-43CB-988E-8D2D853BEF44}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2C7F3D89-402B-43CB-988E-8D2D853BEF44}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2E7E7657-3A53-4B62-8927-FE9A082B81DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2E7E7657-3A53-4B62-8927-FE9A082B81DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2E7E7657-3A53-4B62-8927-FE9A082B81DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2E7E7657-3A53-4B62-8927-FE9A082B81DE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{CF4834CB-91B7-4172-AC13-ECDA8613CD17} = {145597B4-3E30-45E6-9F72-4DD43194539A}
@@ -265,5 +283,8 @@ Global
 		{73B97F6E-2BDC-40DA-84A7-7FB0264387D6} = {AD5B98A8-AB7F-4DA2-B66D-5B4E63E7D854}
 		{C2B14CD4-1BCA-4933-96D9-92F40EACD2B9} = {4931A385-24DC-4E78-BFF4-356F8D6D5183}
 		{09E280B0-43D3-47BD-AF15-CF4FCDD24FE6} = {4931A385-24DC-4E78-BFF4-356F8D6D5183}
+		{6B98449D-BF75-415A-8893-E49518F9307D} = {145597B4-3E30-45E6-9F72-4DD43194539A}
+		{2C7F3D89-402B-43CB-988E-8D2D853BEF44} = {4931A385-24DC-4E78-BFF4-356F8D6D5183}
+		{2E7E7657-3A53-4B62-8927-FE9A082B81DE} = {145597B4-3E30-45E6-9F72-4DD43194539A}
 	EndGlobalSection
 EndGlobal

csharp/Lib/Devices/IEM3kGridMeter/IEM3kGridMeterDevice.cs

@@ -10,8 +10,8 @@ public class Iem3KGridMeterDevice: ModbusDevice<Iem3KGridMeterRegisters>
     public Iem3KGridMeterDevice(String hostname, UInt16 port = 502, Byte slaveId = 1) : this(new TcpChannel(hostname, port), slaveId)
     {
     }
-    
+
-    public Iem3KGridMeterDevice(Channel channel, Byte slaveId = 1) : base(new ModbusTcpClient(channel, slaveId))
+    private Iem3KGridMeterDevice(Channel channel, Byte slaveId = 1) : base(new ModbusTcpClient(channel, slaveId))
     {
     }
     
@@ -47,4 +47,6 @@ public class Iem3KGridMeterDevice: ModbusDevice<Iem3KGridMeterRegisters>
             $"Failed to write data to {nameof(Iem3KGridMeterDevice)}".WriteLine();
         }
     }
+
+
 }

csharp/Lib/Devices/IEM3kGridMeter/IEM3kGridMeterRegisters.cs

@@ -12,25 +12,25 @@ using Float32 = Single;
 
 
 [AddressOffset(-2)] // why?
-public class Iem3KGridMeterRegisters : IAc3Meter
+public class Iem3KGridMeterRegisters //: IAc3Meter
 {
     private const Float32 ZeroBecauseReactivePowerNotSupported = 0;
 
     // TODO
     
-    [HoldingRegister<Float32>(3054)] private Float32 _ActivePowerL1;
+    [HoldingRegister<Float32>(3054)] public Float32 ActivePowerL1;
-    [HoldingRegister<Float32>(3056)] private Float32 _ActivePowerL2;
+    [HoldingRegister<Float32>(3056)] public Float32 ActivePowerL2;
-    [HoldingRegister<Float32>(3058)] private Float32 _ActivePowerL3;
+    [HoldingRegister<Float32>(3058)] public Float32 ActivePowerL3;
 
-    [HoldingRegister<Float32>(3000)] private Float32 _CurrentL1;
+    //[HoldingRegister<Float32>(3000)] private Float32 _CurrentL1;
-    [HoldingRegister<Float32>(3002)] private Float32 _CurrentL2;
+    //[HoldingRegister<Float32>(3002)] private Float32 _CurrentL2;
-    [HoldingRegister<Float32>(3004)] private Float32 _CurrentL3;
+    //[HoldingRegister<Float32>(3004)] private Float32 _CurrentL3;
-    
+    //
-    [HoldingRegister<Float32>(3028)] private Float32 _VoltageL1N;
+    //[HoldingRegister<Float32>(3028)] private Float32 _VoltageL1N;
-    [HoldingRegister<Float32>(3030)] private Float32 _VoltageL2N;
+    //[HoldingRegister<Float32>(3030)] private Float32 _VoltageL2N;
-    [HoldingRegister<Float32>(3032)] private Float32 _VoltageL3N;
+    //[HoldingRegister<Float32>(3032)] private Float32 _VoltageL3N;
-    
+    //
-    [HoldingRegister<Float32>(3110)] private Float32 _Frequency;
+    //[HoldingRegister<Float32>(3110)] private Float32 _Frequency;
 
     //[HoldingRegister<Float32>(9012)] private Float32 _ReactivePowerL1;
     //[HoldingRegister<Float32>(9014)] private Float32 _ReactivePowerL2;
@@ -45,7 +45,7 @@ public class Iem3KGridMeterRegisters : IAc3Meter
     //[HoldingRegister<Float32>(9026)] private Float32 _ApparentPowerL3;
 
     
-    public Ac3Bus Ac => new Ac3Bus
+    /*public Ac3Bus Ac => new Ac3Bus
     {
         L1 = new ()
         {
@@ -66,7 +66,9 @@ public class Iem3KGridMeterRegisters : IAc3Meter
             Phi     = Atan2(ZeroBecauseReactivePowerNotSupported, _ActivePowerL3)
         },
         Frequency = _Frequency
-    };
+    };*/
+    
+
 }