Plugins/Drivers/DriverModbusMaster/NModbus4/Message/WriteMultipleCoilsRequest.cs

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namespace Modbus.Message
{
    using System;
    using System.IO;
    using System.Linq;
    using System.Net;

    using Data;

    using Unme.Common;

    /// <summary>
    ///     Write Multiple Coils request.
    /// </summary>
    public class WriteMultipleCoilsRequest : AbstractModbusMessageWithData<DiscreteCollection>, IModbusRequest
    {
        /// <summary>
        ///     Write Multiple Coils request.
        /// </summary>
        public WriteMultipleCoilsRequest()
        {
        }

        /// <summary>
        ///     Write Multiple Coils request.
        /// </summary>
        public WriteMultipleCoilsRequest(byte slaveAddress, ushort startAddress, DiscreteCollection data)
            : base(slaveAddress, Modbus.WriteMultipleCoils)
        {
            StartAddress = startAddress;
            NumberOfPoints = (ushort)data.Count;
            ByteCount = (byte)((data.Count + 7) / 8);
            Data = data;
        }

        public byte ByteCount
        {
            get { return MessageImpl.ByteCount.Value; }
            set { MessageImpl.ByteCount = value; }
        }

        public ushort NumberOfPoints
        {
            get
            {
                return MessageImpl.NumberOfPoints.Value;
            }

            set
            {
                if (value > Modbus.MaximumDiscreteRequestResponseSize)
                {
                    string msg = $"Maximum amount of data {Modbus.MaximumDiscreteRequestResponseSize} coils.";
                    throw new ArgumentOutOfRangeException("NumberOfPoints", msg);
                }

                MessageImpl.NumberOfPoints = value;
            }
        }