Innovenergy_trunk/csharp/Lib/Devices/EmuMeter/EmuMeterDevice.cs

using InnovEnergy.Lib.Protocols.Modbus.Clients;
using InnovEnergy.Lib.Protocols.Modbus.Connections;
using InnovEnergy.Lib.StatusApi.Connections;
using InnovEnergy.Lib.StatusApi.Phases;
using InnovEnergy.Lib.Utils;
using static DecimalMath.DecimalEx;

namespace InnovEnergy.Lib.Devices.EmuMeter;

public class EmuMeterDevice
{
    private ModbusTcpClient Modbus { get; }

    public EmuMeterDevice(String hostname, UInt16 port = 502, Byte slaveId = 1)
    {
        var connection  = new ModbusTcpConnection(hostname, port);
        Modbus = new ModbusTcpClient(connection, slaveId);
    }

    public EmuMeterStatus? ReadStatus()
    {
        try
        {
            return TryReadStatus();
        }
        catch (Exception)
        {
            Modbus.CloseConnection();
            return null;
        }
    }
    private static Decimal GetPhi(Decimal cosPhi) => cosPhi.Clamp(-1m, 1m).Apply(ACos);

    private EmuMeterStatus TryReadStatus()
    {
        // Console.WriteLine("Reading Emu Meter Data");
        
        var powerCurrent = Modbus.ReadHoldingRegisters(9000, 108).ToDecimals();  // TODO "ModbusRegisters"
        var voltageFreq  = Modbus.ReadHoldingRegisters(9200, 112).ToDecimals(); // To check with Ivo
        var energyTotal  = Modbus.ReadHoldingRegisters(6000, 24) .ToUInt64s();
        var energyPhases = Modbus.ReadHoldingRegisters(6100, 104).ToUInt64s();

        var activePowerL123   = powerCurrent[0];
        var activePowerL1     = powerCurrent[1];
        var activePowerL2     = powerCurrent[2];
        var activePowerL3     = powerCurrent[3];
        var reactivePowerL123 = powerCurrent[5];
        var reactivePowerL1   = powerCurrent[6];
        var reactivePowerL2   = powerCurrent[7];
        var reactivePowerL3   = powerCurrent[8];
        var apparentPowerL123 = powerCurrent[10];
        var apparentPowerL1   = powerCurrent[11];
        var apparentPowerL2   = powerCurrent[12];
        var apparentPowerL3   = powerCurrent[13];
        var currentL123       = powerCurrent[50];
        var currentL1         = powerCurrent[51];
        var currentL2         = powerCurrent[52];
        var currentL3         = powerCurrent[53];
        var voltageL1N        = voltageFreq[0];
        var voltageL2N        = voltageFreq[1];
        var voltageL3N        = voltageFreq[2];
        var voltageL1L2       = voltageFreq[3];
        var voltageL2L3       = voltageFreq[4];
        var voltageL3L1       = voltageFreq[5];
        var powerFactorL1     = voltageFreq[50];
        var powerFactorL2     = voltageFreq[51];
        var powerFactorL3     = voltageFreq[52];
        var frequency         = voltageFreq[55];
        var energyImportL123  = energyTotal[0 / 4]  / 1000.0m;
        var energyExportL123  = energyTotal[20 / 4] / 1000.0m;
        var energyImportL1    = energyPhases[0 / 4]  / 1000.0m;
        var energyExportL1    = energyPhases[20 / 4] / 1000.0m;
        var energyImportL2    = energyPhases[40 / 4] / 1000.0m;
        var energyExportL2    = energyPhases[60 / 4] / 1000.0m;
        var energyImportL3    = energyPhases[80 / 4]  / 1000.0m;
        var energyExportL3    = energyPhases[100 / 4] / 1000.0m;
        
        return new EmuMeterStatus
        (
            Ac:  new ThreePhaseAcConnection
            (
                new AcPhase(
                    voltageL1N,
                    currentL1,
                    GetPhi(powerFactorL1)
                ),
                
                new AcPhase(
                    voltageL2N,
                    currentL2,
                    GetPhi(powerFactorL2)
                ),
                
                new AcPhase(
                    voltageL3N,
                    currentL3,
                    GetPhi(powerFactorL3)
                ),
                frequency 
            ),
            activePowerL123,
            reactivePowerL123,
            apparentPowerL123,
            currentL123,
            voltageL1L2,
            voltageL2L3,
            voltageL3L1,
            energyImportL123,
            energyImportL1,
            energyImportL2,
            energyImportL3,
            energyExportL123,
            energyExportL1,
            energyExportL2,
            energyExportL3
        );
    }

}