Shaker/NIFPGA/FPGAWriteProperty.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Diagnostics.Metrics;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace NIFPGA
{
    public sealed class FPGAWriteProperty<T> : FPGABaseProperty
        where T : unmanaged
    {
        private delegate NiFpga_Status NiFpgaDll_Delegate(uint session, uint indicator, ref T value);
        [AllowNull]
        private NiFpgaDll_Delegate Read;
        [AllowNull]
        private NiFpgaDll_Delegate Write;
        internal FPGAWriteProperty(FPGASession session, uint indicator) : base(session, indicator,false)
        {
            T val =default(T);
            switch (val)
            {
                case Boolean:
                     Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadBool).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteBool).Name);
                    break;
                case Byte:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU8).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteU8).Name);
                    break;
                case SByte:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI8).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteI8).Name);
                    break;
                case Int16:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI16).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteI16).Name);
                    break;
                case UInt16:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU16).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteU16).Name);
                    break;
                case Int32:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI32).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteI32).Name);
                    break;
                case UInt32:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU32).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteU32).Name);
                    break;
                case Int64:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadI64).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteI64).Name);
                    break;
                case UInt64:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadU64).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteU64).Name);
                    break;
                case Single:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadSgl).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteSgl).Name);
                    break;
                case double:
                    Read = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_ReadDbl).Name);
                    Write = _Session.GetDelegate<NiFpgaDll_Delegate>(typeof(Interop.NiFpgaDll_WriteDbl).Name);
                    break;
            }
        }

        private T GetValue()
        {
            T value = default;
            _Session.CheckResult(Read(_Session.Session, Indicator, ref value));
            return value;
        }
        private void SetValue(T value)
        {
            _Session.CheckResult(Write(_Session.Session, Indicator, ref value));
        }
        public T Value { get => GetValue(); set => SetValue(value); }
    }
}