Add LabJackT7 configuration and helper for Modbus communication

.vscode/settings.json

@@ -33,6 +33,7 @@
     "Kofax",
     "linc",
     "Linc",
+    "Modbus",
     "NOPAUSE",
     "NSFX",
     "OBJE",

Helpers/LabJackT7Helper.cs

@@ -0,0 +1,700 @@
+using File_Watcher.Models;
+using System.Diagnostics;
+using System.Net.Sockets;
+
+namespace File_Watcher.Helpers;
+
+#pragma warning disable IDE0300
+
+internal static partial class LabJackT7Helper
+{
+
+    private static ModbusTransmissionControlProtocolClient? _ModbusTransmissionControlProtocolClient;
+
+    private class ModbusTransmissionControlProtocolClient : IDisposable
+    {
+
+        private ushort _TransactionID;
+        private NetworkStream? _NetworkStream;
+        private TcpClient? _TransmissionControlProtocolClient;
+
+        public ModbusTransmissionControlProtocolClient(string hostname, int port) =>
+            Connect(hostname, port);
+
+        public void Connect(string hostname, int port)
+        {
+            if (_TransmissionControlProtocolClient is not null)
+                Close();
+
+            _TransmissionControlProtocolClient = new TcpClient(hostname, port);
+            _NetworkStream = _TransmissionControlProtocolClient.GetStream();
+            _TransactionID = 0;
+        }
+
+        public void Close()
+        {
+            _NetworkStream?.Close();
+            _NetworkStream = null;
+
+            _TransmissionControlProtocolClient?.Close();
+            _TransmissionControlProtocolClient = null;
+        }
+
+        public bool IsConnected()
+        {
+            if (_TransmissionControlProtocolClient is not null)
+                return _TransmissionControlProtocolClient.Connected;
+            return false;
+        }
+
+        public void SetTimeouts(int sendTimeout, int receiveTimeout)
+        {
+            if (_TransmissionControlProtocolClient == null)
+                throw new Exception("Not connected.");
+            _TransmissionControlProtocolClient.ReceiveTimeout = receiveTimeout;
+            _TransmissionControlProtocolClient.SendTimeout = sendTimeout;
+        }
+
+        /// <summary>
+        /// Write a byte array of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The byte array of data to write.</param>
+        public void Write(ushort address, byte[] data)
+        {
+            if (_NetworkStream is null)
+                throw new Exception("Not connected.");
+
+            //Using Modbus function 16
+
+            //Create Modbus Command
+            if (data.Length > 254)
+                throw new Exception("Too many bytes. The maximum is 254.");
+
+            if (data.Length % 2 != 0)
+                throw new Exception("The number of bytes needs to be a multiple of 2.");
+
+            byte[] com = new byte[13 + data.Length];
+            com[7] = 16;
+            com[8] = (byte)(address >> 8);
+            com[9] = (byte)(address & 0xFF);
+            com[10] = 0;
+            com[11] = (byte)(data.Length / 2);
+            com[12] = (byte)data.Length;
+            Array.Copy(data, 0, com, 13, data.Length);
+            SetHeader(com);
+            _NetworkStream.Write(com, 0, com.Length);
+
+            byte[] res = new byte[12];
+            int expectedSize = res.Length;
+            int size = _NetworkStream.Read(res, 0, res.Length);
+
+            Array.Resize(ref res, size);
+            ResponseErrorChecks(res, expectedSize, com);
+        }
+
+        /// <summary>
+        /// Read a byte array of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read byte array of data. The array length is
+        /// the amount of bytes to read.</param>
+        public void Read(ushort address, byte[] data)
+        {
+            if (_NetworkStream is null)
+                throw new Exception("Not connected.");
+
+            //Using Modbus function 3
+
+            //Create Modbus Command
+            if (data.Length > 254)
+                throw new Exception("Too many bytes. The maximum is 254.");
+
+            if (data.Length % 2 != 0)
+                throw new Exception("The number of bytes needs to be a multiple of 2.");
+
+            byte[] com = new byte[12];
+            com[7] = 3;
+            com[8] = (byte)(address >> 8);
+            com[9] = (byte)(address & 0xFF);
+            com[10] = 0;
+            com[11] = (byte)(data.Length / 2);
+            SetHeader(com);
+            _NetworkStream.Write(com, 0, com.Length);
+
+            byte[] res = new byte[9 + data.Length];
+            int expectedSize = res.Length;
+            int size = _NetworkStream.Read(res, 0, res.Length);
+            Array.Resize(ref res, size);
+            ResponseErrorChecks(res, expectedSize, com);
+
+            Array.Copy(res, 9, data, 0, data.Length);
+        }
+
+        /// <summary>
+        /// Write an ushort array of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The ushort array of data to write.</param>
+        public void Write(ushort address, ushort[] data)
+        {
+            if (data.Length > 127)
+                throw new Exception("Too many shorts. The maximum is 127.");
+
+            byte[] bytes = new byte[data.Length * 2];
+            for (int i = 0; i < data.Length; i++)
+            {
+                BitConverter.GetBytes(data[i]).CopyTo(bytes, i * 2);
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 2, 2);
+            }
+            Write(address, bytes);
+        }
+
+        /// <summary>
+        /// Read an ushort array of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read ushort array of data. The array length
+        /// is the amount of shorts to read.</param>
+        public void Read(ushort address, ushort[] data)
+        {
+            if (data.Length > 127)
+                throw new Exception("Too many shorts. The maximum is 127.");
+
+            byte[] bytes = new byte[data.Length * 2];
+            Read(address, bytes);
+            for (int i = 0; i < data.Length; i++)
+            {
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 2, 2);
+                data[i] = BitConverter.ToUInt16(bytes, i * 2);
+            }
+        }
+
+        /// <summary>
+        /// Write an uint array of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The uint array of data to write.</param>
+        public void Write(ushort address, uint[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many uint. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            for (int i = 0; i < data.Length; i++)
+            {
+                BitConverter.GetBytes(data[i]).CopyTo(bytes, i * 4);
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+            }
+            Write(address, bytes);
+        }
+
+        /// <summary>
+        /// Read an uint array of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read uint array of data. The array length is
+        /// the amount of ints to read.</param>
+        public void Read(ushort address, uint[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many ints. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            Read(address, bytes);
+            for (int i = 0; i < data.Length; i++)
+            {
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+                data[i] = BitConverter.ToUInt32(bytes, i * 4);
+            }
+        }
+
+        /// <summary>
+        /// Write an int array of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The int array of data to write.</param>
+        public void Write(ushort address, int[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many ints. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            for (int i = 0; i < data.Length; i++)
+            {
+                BitConverter.GetBytes(data[i]).CopyTo(bytes, i * 4);
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+            }
+            Write(address, bytes);
+        }
+
+        /// <summary>
+        /// Read an int array of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read int array of data. The array length is
+        /// the amount of ints to read.</param>
+        public void Read(ushort address, int[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many ints. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            Read(address, bytes);
+            for (int i = 0; i < data.Length; i++)
+            {
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+                data[i] = BitConverter.ToInt32(bytes, i * 4);
+            }
+        }
+
+        /// <summary>
+        /// Write a float array of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The float array of data to write.</param>
+        public void Write(ushort address, float[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many floats. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            for (int i = 0; i < data.Length; i++)
+            {
+                BitConverter.GetBytes(data[i]).CopyTo(bytes, i * 4);
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+            }
+            Write(address, bytes);
+        }
+
+        /// <summary>
+        /// Reads a float array of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read float array of data. The array length is
+        /// the amount of floats to read.</param>
+        public void Read(ushort address, float[] data)
+        {
+            if (data.Length > 63)
+                throw new Exception("Too many floats. The maximum is 63.");
+
+            byte[] bytes = new byte[data.Length * 4];
+            Read(address, bytes);
+            for (int i = 0; i < data.Length; i++)
+            {
+                if (BitConverter.IsLittleEndian)
+                    Array.Reverse(bytes, i * 4, 4);
+                data[i] = BitConverter.ToSingle(bytes, i * 4);
+            }
+        }
+
+        /// <summary>
+        /// Write a single ushort of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The register address.</param>
+        /// <param name="data">The ushort data to write.</param>
+        public void Write(ushort address, ushort data)
+        {
+            ushort[] dataArray = new ushort[1];
+            dataArray[0] = data;
+            Write(address, dataArray);
+        }
+
+        /// <summary>
+        /// Read a single ushort of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The register address.</param>
+        /// <param name="data">The read ushort data.</param>
+        public void Read(ushort address, ref ushort data)
+        {
+            ushort[] dataArray = new ushort[1];
+            Read(address, dataArray);
+            data = dataArray[0];
+        }
+
+        /// <summary>
+        /// Write a single uint of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The uint data to write.</param>
+        public void Write(ushort address, uint data)
+        {
+            uint[] dataArray = new uint[1];
+            dataArray[0] = data;
+            Write(address, dataArray);
+        }
+
+        /// <summary>
+        /// Read a single uint of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="value">The read uint data.</param>
+        public void Read(ushort address, ref uint data)
+        {
+            uint[] dataArray = new uint[1];
+            Read(address, dataArray);
+            data = dataArray[0];
+        }
+
+        /// <summary>
+        /// Write a single int of data to the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The int data to write.</param>
+        public void Write(ushort address, int data)
+        {
+            int[] dataArray = new int[1];
+            dataArray[0] = data;
+            Write(address, dataArray);
+        }
+
+        /// <summary>
+        /// Read a single int of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read int data.</param>
+        public void Read(ushort address, ref int data)
+        {
+            int[] dataArray = new int[1];
+            Read(address, dataArray);
+            data = dataArray[0];
+        }
+
+        /// <summary>
+        /// Write a single float of data to the Modbus device.
+        /// 1 uint = 2 registers.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The float data to write.</param>
+        public void Write(ushort address, float data)
+        {
+            float[] dataArray = new float[1];
+            dataArray[0] = data;
+            Write(address, dataArray);
+        }
+
+        /// <summary>
+        /// Read a single float of data from the Modbus device.
+        /// </summary>
+        /// <param name="address">The starting register address.</param>
+        /// <param name="data">The read float data.</param>
+        public void Read(ushort address, ref float data)
+        {
+            float[] dataArray = new float[1];
+            Read(address, dataArray);
+            data = dataArray[0];
+        }
+
+        /// <summary>
+        /// Sets the MBAP header of the Modbus TCP command.
+        /// </summary>
+        /// <param name="command">The byte array for the Modbus TCP command.
+        /// The Modbus request bytes 7+ need to be set beforehand. The MBAP
+        /// header bytes 0 to 6 will be updated based on the request bytes.
+        /// </param>
+        private void SetHeader(byte[] command)
+        {
+            //Transaction ID
+            ushort transID = _TransactionID;
+            if (_TransactionID >= 65535)
+            {
+                //Rollover global transaction ID to 0.
+                _TransactionID = 0;
+            }
+            else
+            {
+                //Increment global transaction ID.
+                _TransactionID++;
+            }
+            command[0] = (byte)(transID >> 8);
+            command[1] = (byte)(transID & 0xFF);
+
+            //Protocol ID
+            command[2] = 0;
+            command[3] = 0;
+
+            //Length
+            ushort length = (ushort)(command.Length - 6);
+            command[4] = (byte)(length >> 8);
+            command[5] = (byte)(length & 0xFF);
+
+            //Unit ID
+            command[6] = 1;
+        }
+
+        /// <summary>
+        /// Checks the Modbus response for errors.
+        /// </summary>
+        /// <param name="response">The Modbus response byte array.</param>
+        /// <param name="expectedSize">The expected response byte array length.</param>
+        /// <param name="command">The Modbus command byte array.</param>
+        private void ResponseErrorChecks(byte[] response, int expectedLength, byte[] command)
+        {
+            if (response.Length < expectedLength)
+            {
+                if (response.Length < 9)
+                {
+                    throw new Exception("Invalid Modbus response.");
+                }
+                if ((response[7] & 0x80) > 0)
+                {
+                    //Bit 7 set, indicating Modbus error
+                    throw new Exception("Modbus exception code " + response[8] +
+                        ", " + GetExceptionCodeString(response[8]) + ".");
+                }
+                throw new Exception("Other Modbus response error.");
+            }
+
+            if (response[0] != command[0] || response[1] != command[1])
+            {
+                throw new Exception("Modbus transaction ID mismatch.");
+            }
+        }
+
+        /// <summary>
+        /// Get the Modbus exception name.
+        /// </summary>
+        /// <param name="code">The exception code.</param>
+        /// <returns>The exception name.</returns>
+        private string GetExceptionCodeString(uint code) =>
+            code switch
+            {
+                1 => "Illegal Function",
+                2 => "Illegal Data Address",
+                3 => "Illegal Data Value",
+                4 => "Slave Device Failure",
+                5 => "Acknowledge",
+                6 => "Slave Device Busy",
+                7 => "Negative Acknowledge",
+                8 => "Memory Parity Error",
+                10 => "Gateway Path Unavailable",
+                11 => "Gateway Target Device Failed to Respond",
+                _ => ""
+            };
+
+        void IDisposable.Dispose() =>
+            Close();
+
+    }
+
+    internal static bool ReadAll(AppSettings appSettings, ILogger<Worker> logger)
+    {
+        LabJackT7Configuration configuration = appSettings.LabJackT7Configuration;
+        _ModbusTransmissionControlProtocolClient ??= new(configuration.InternetProtocolAddress, configuration.Port);
+        ReadAllAnalog(_ModbusTransmissionControlProtocolClient, logger);
+        ReadAllDigitalIO(_ModbusTransmissionControlProtocolClient, logger);
+        if (configuration.InternetProtocolAddress == "false")
+            ReadAllAnalogMux80(_ModbusTransmissionControlProtocolClient, logger);
+        return true;
+    }
+
+    /// <summary>
+    /// Displays "AINxx : Values" readings.
+    /// </summary>
+    /// <param name="startingAddress">Starting Modbus address of 
+    /// readings.</param>
+    /// <param name="values">Float analog input (AIN) readings.</param>
+    private static void DisplayAnalogInputReadings(ILogger<Worker> logger, ushort startingAddress, float[] values)
+    {
+        for (int i = 0; i < values.Length; i++)
+        {
+            logger.LogInformation("AIN" + (startingAddress + i * 2) / 2 + " : " + values[i] + " V");
+        }
+    }
+
+    /// <summary>
+    /// Displays all digital I/O readings.
+    /// </summary>
+    /// <param name="directions">Reading from T7 Modbus address
+    /// 2850 (DIO_DIRECTION).</param>
+    /// <param name="states">Reading from T7 Modbus address
+    /// 2800 (DIO_STATE).</param>
+    private static void DisplayDigitalIOReadings(ILogger<Worker> logger, uint directions, uint states)
+    {
+        string fioDirs = "";
+        string fioStates = "";
+        string eioDirs = "";
+        string eioStates = "";
+        string cioDirs = "";
+        string cioStates = "";
+        string mioDirs = "";
+        string mioStates = "";
+
+        for (int i = 0; i < 8; i++)
+        {
+            fioDirs += Convert.ToString((directions >> i) & 1);
+            fioStates += Convert.ToString((states >> i) & 1);
+        }
+        logger.LogInformation("FIO0-FIO7 directions = " + fioDirs + ", states = " + fioStates);
+
+        for (int i = 8; i < 16; i++)
+        {
+            eioDirs += Convert.ToString((directions >> i) & 1);
+            eioStates += Convert.ToString((states >> i) & 1);
+        }
+        logger.LogInformation("EIO0-EIO7 directions = " + eioDirs + ", states = " + eioStates);
+
+        for (int i = 16; i < 20; i++)
+        {
+            cioDirs += Convert.ToString((directions >> i) & 1);
+            cioStates += Convert.ToString((states >> i) & 1);
+        }
+        logger.LogInformation("CIO0-CIO3 directions = " + cioDirs + ", states = " + cioStates);
+
+        for (int i = 20; i < 23; i++)
+        {
+            mioDirs += Convert.ToString((directions >> i) & 1);
+            mioStates += Convert.ToString((states >> i) & 1);
+        }
+        logger.LogInformation("MIO0-MIO2 directions = " + mioDirs + ", states = " + mioStates);
+    }
+
+    /// <summary>
+    /// Configures range, negative channel, resolution index and settling
+    /// time for all analog inputs.
+    /// AIN_ALL_RANGE, AIN_ALL_NEGATIVE_CH, AIN_ALL_RESOLUTION_INDEX, and
+    /// AIN_ALL_SETTLING_US registers/settings are documented here:
+    /// https://labjack.com/support/datasheets/t-series/ain
+    /// </summary>
+    /// <param name="mb">The ModbusTransmissionControlProtocolClient to the connected T7 </param>
+    /// <param name="range">AIN_ALL_RANGE setting.</param>
+    /// <param name="negativeChannel">AIN_ALL_NEGATIVE_CH setting.</param>
+    /// <param name="resolutionIndex">AIN_ALL_RESOLUTION_INDEX setting.</param>
+    /// <param name="settling">AIN_ALL_SETTLING_US setting.</param>
+    private static void ConfigureAllAnalog(ModbusTransmissionControlProtocolClient mb, float range, ushort negativeChannel, ushort resolutionIndex, float settling)
+    {
+        ushort address;
+        ushort uint16Value;
+        float float32Value;
+
+        // Configure all analog input ranges.
+        address = 43900;  // 43900 = AIN_ALL_RANGE
+        float32Value = range;
+        mb.Write(address, float32Value);
+
+        // Configure all analog input negative channels.
+        address = 43902;  // 43902 = AIN_ALL_NEGATIVE_CH 
+        uint16Value = negativeChannel;
+        mb.Write(address, uint16Value);
+
+        // Configure all analog input resolution indexes.
+        address = 43903;  // 43903 = AIN_ALL_RESOLUTION_INDEX
+        uint16Value = resolutionIndex;
+        mb.Write(address, uint16Value);
+
+        // Configure all analog input settling times.
+        address = 43904;  // 43904 = AIN_ALL_SETTLING_US
+        float32Value = settling;
+        mb.Write(address, float32Value);
+    }
+
+    /// <summary>
+    /// Example that configures, reads and displays all the analog
+    /// inputs (AIN0-AIN13) on the T7.
+    /// Analog inputs (AIN) registers used are documented here:
+    /// https://labjack.com/support/datasheets/t-series/ain
+    /// </summary>
+    /// <param name="mb">The ModbusTransmissionControlProtocolClient to the connected T7.</param>
+    private static void ReadAllAnalog(ModbusTransmissionControlProtocolClient modbusTransmissionControlProtocolClient, ILogger<Worker> logger)
+    {
+        logger.LogInformation("Reading AIN0-AIN13.");
+
+        // Configure all analog inputs.
+        // Ranges = +/-10 to.
+        // Negative Channels = 199 (single-ended)
+        // Resolution Indexes = 8
+        // Settlings = 0 (auto)
+        ConfigureAllAnalog(modbusTransmissionControlProtocolClient, 10.0f, 199, 8, 0);
+
+        // Read all 14 analog inputs.
+        ushort startAddress = 0;  // 0 = AIN0
+        float[] analogInputReadings = new float[14];  // 14 analog input readings
+        modbusTransmissionControlProtocolClient.Read(startAddress, analogInputReadings);
+        DisplayAnalogInputReadings(logger, startAddress, analogInputReadings);
+
+        logger.LogInformation("");
+    }
+
+    /// <summary>
+    /// Example that reads and displays all the digital I/O (FIOs, EIOs,
+    /// CIOs, MIOs) on the T7.
+    /// Digital I/O registers used are documented here:
+    /// https://labjack.com/support/datasheets/t-series/digital-io
+    /// </summary>
+    /// <param name="modbusTransmissionControlProtocolClient">The ModbusTransmissionControlProtocolClient to the connected T7.</param>
+    private static void ReadAllDigitalIO(ModbusTransmissionControlProtocolClient modbusTransmissionControlProtocolClient, ILogger<Worker> logger)
+    {
+        logger.LogInformation("Reading FIOs, EIOs, CIOs and MIO directions and states.");
+        ushort address;
+        uint directions = 0;
+        uint states = 0;
+
+        // Read all digital I/O directions and states.
+        address = 2850;  // 2850 = DIO_DIRECTION
+        modbusTransmissionControlProtocolClient.Read(address, ref directions);
+        address = 2800;  // 2800 = DIO_STATE
+        modbusTransmissionControlProtocolClient.Read(address, ref states);
+
+        DisplayDigitalIOReadings(logger, directions, states);
+
+        logger.LogInformation("");
+    }
+
+    /// <summary>
+    /// Example that configures, reads and displays all the analog
+    /// inputs on the T7 with a Mux80 (AIN0-AIN3, AIN48-AIN127).
+    /// Analog inputs (AIN) registers used are documented here:
+    /// https://labjack.com/support/datasheets/t-series/ain
+    /// Extended channels AIN48+ are further documented here:
+    /// https://labjack.com/support/datasheets/t-series/ain/extended-channels
+    /// Mux80 data sheet can be found here:
+    /// https://labjack.com/support/datasheets/accessories/mux80
+    /// </summary>
+    /// <param name="modbusTransmissionControlProtocolClient">The ModbusTransmissionControlProtocolClient to the connected T7.</param>
+    private static void ReadAllAnalogMux80(ModbusTransmissionControlProtocolClient modbusTransmissionControlProtocolClient, ILogger<Worker> logger)
+    {
+
+        // Many registers to channels are incorrect. Check with Steve.
+
+        logger.LogInformation("Reading AIN0-AIN3, AIN48-AIN127.");
+
+        // Configure all analog inputs.
+        // Ranges = +/-10 to.
+        // Negative Channels = 199 (single-ended)
+        // Resolution Indexes = 1
+        // Settlings = 0 (auto)
+        ConfigureAllAnalog(modbusTransmissionControlProtocolClient, 10.0f, 199, 1, 0);
+
+        //Reading from 84 analog inputs with the Mux80.
+        ushort startAddress;
+        float[] analogInputReadings;
+
+        // Read from AIN0-AIN3 on the T7 terminals.
+        startAddress = 0;  // 0 = AIN0
+        analogInputReadings = new float[4];  // 4 analog input readings.
+        modbusTransmissionControlProtocolClient.Read(startAddress, analogInputReadings);
+        DisplayAnalogInputReadings(logger, startAddress, analogInputReadings);
+
+        // Read from AIN48-AIN87 on Mux80.
+        startAddress = 96;  // 96 = AIN48
+        analogInputReadings = new float[40];  // 40 analog input readings
+        modbusTransmissionControlProtocolClient.Read(startAddress, analogInputReadings);
+        DisplayAnalogInputReadings(logger, startAddress, analogInputReadings);
+
+        // Read from AIN88-AIN127 on Mux80.
+        startAddress = 176;  // 176 = AIN88
+        analogInputReadings = new float[40];  // 40 analog input readings
+        modbusTransmissionControlProtocolClient.Read(startAddress, analogInputReadings);
+        DisplayAnalogInputReadings(logger, startAddress, analogInputReadings);
+
+        logger.LogInformation("");
+    }
+
+}

Models/AppSettings.cs

@@ -15,6 +15,7 @@ public record AppSettings(CamstarOracleConfiguration CamstarOracleConfiguration,
                           InfinityQSConfiguration InfinityQSConfiguration,
                           InfinityQSProjectConfiguration InfinityQSProjectConfiguration,
                           IsoConfiguration IsoConfiguration,
+                          LabJackT7Configuration LabJackT7Configuration,
                           MetadataSettings MetadataSettings,
                           MetrologyConfiguration MetrologyConfiguration,
                           NationalInstrumentsConfiguration NationalInstrumentsConfiguration,
@@ -34,8 +35,8 @@ public record AppSettings(CamstarOracleConfiguration CamstarOracleConfiguration,
 #pragma warning disable IL3050, IL2026
         CamstarOracleConfiguration? camstarOracleConfiguration = configurationRoot.GetSection(nameof(CamstarOracleConfiguration)).Get<CamstarOracleConfiguration>();
         CompassConfiguration? compassConfiguration = configurationRoot.GetSection(nameof(CompassConfiguration)).Get<CompassConfiguration>();
-        DiskInfoConfiguration? diskInfoConfiguration = configurationRoot.GetSection(nameof(DiskInfoConfiguration)).Get<DiskInfoConfiguration>();
         DeterministicHashCodeConfiguration? deterministicHashCodeConfiguration = configurationRoot.GetSection(nameof(DeterministicHashCodeConfiguration)).Get<DeterministicHashCodeConfiguration>();
+        DiskInfoConfiguration? diskInfoConfiguration = configurationRoot.GetSection(nameof(DiskInfoConfiguration)).Get<DiskInfoConfiguration>();
         DriveConfiguration? driveConfiguration = configurationRoot.GetSection(nameof(DriveConfiguration)).Get<DriveConfiguration>();
         EAFLogConfiguration? eafLogConfiguration = configurationRoot.GetSection(nameof(EAFLogConfiguration)).Get<EAFLogConfiguration>();
         EDADatabaseConfiguration? edaDatabaseConfiguration = configurationRoot.GetSection(nameof(EDADatabaseConfiguration)).Get<EDADatabaseConfiguration>();
@@ -43,6 +44,7 @@ public record AppSettings(CamstarOracleConfiguration CamstarOracleConfiguration,
         InfinityQSConfiguration? infinityQSConfiguration = configurationRoot.GetSection(nameof(InfinityQSConfiguration)).Get<InfinityQSConfiguration>();
         InfinityQSProjectConfiguration? infinityQSProjectConfiguration = configurationRoot.GetSection(nameof(InfinityQSProjectConfiguration)).Get<InfinityQSProjectConfiguration>();
         IsoConfiguration? isoConfiguration = configurationRoot.GetSection(nameof(IsoConfiguration)).Get<IsoConfiguration>();
+        LabJackT7Configuration? labJackT7Configuration = configurationRoot.GetSection(nameof(LabJackT7Configuration)).Get<LabJackT7Configuration>();
         MetadataSettings? metadataSettings = configurationRoot.GetSection(nameof(MetadataSettings)).Get<MetadataSettings>();
         MetrologyConfiguration? metrologyConfiguration = configurationRoot.GetSection(nameof(MetrologyConfiguration)).Get<MetrologyConfiguration>();
         NationalInstrumentsConfiguration? nationalInstrumentsConfiguration = configurationRoot.GetSection(nameof(NationalInstrumentsConfiguration)).Get<NationalInstrumentsConfiguration>();
@@ -66,6 +68,7 @@ public record AppSettings(CamstarOracleConfiguration CamstarOracleConfiguration,
             || infinityQSConfiguration is null
             || infinityQSProjectConfiguration is null
             || isoConfiguration is null
+            || labJackT7Configuration is null
             || metadataSettings is null
             || metrologyConfiguration is null
             || nationalInstrumentsConfiguration is null
@@ -101,6 +104,7 @@ public record AppSettings(CamstarOracleConfiguration CamstarOracleConfiguration,
                      infinityQSConfiguration,
                      infinityQSProjectConfiguration,
                      isoConfiguration,
+                     labJackT7Configuration,
                      metadataSettings,
                      metrologyConfiguration,
                      nationalInstrumentsConfiguration,

Models/LabJackT7Configuration.cs

@@ -0,0 +1,23 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace File_Watcher.Models;
+
+public record LabJackT7Configuration(string InternetProtocolAddress,
+                                     int Port,
+                                     string To)
+{
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, LabJackT7ConfigurationSourceGenerationContext.Default.LabJackT7Configuration);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(LabJackT7Configuration))]
+internal partial class LabJackT7ConfigurationSourceGenerationContext : JsonSerializerContext
+{
+}

Worker.cs

@@ -84,6 +84,7 @@ public partial class Worker : BackgroundService
                 nameof(Helpers.HelperCompass) => Helpers.HelperCompass.CopyFile(_AppSettings, _Logger),
                 nameof(Helpers.HelperStratus) => Helpers.HelperStratus.MoveFile(_AppSettings, _Logger),
                 nameof(Helpers.HelperEAFLog) => Helpers.HelperEAFLog.DeleteFiles(_AppSettings, _Logger),
+                nameof(Helpers.LabJackT7Helper) => Helpers.LabJackT7Helper.ReadAll(_AppSettings, _Logger),
                 nameof(Helpers.DiskInfoHelper) => Helpers.DiskInfoHelper.WriteDiskInfo(_AppSettings, _Logger),
                 nameof(Helpers.HelperEventLog) => Helpers.HelperEventLog.ClearEventLogs(_AppSettings, _Logger),
                 nameof(Helpers.HelperInfinityQS) => Helpers.HelperInfinityQS.ProcessStart(_AppSettings, _Logger),