49 lines
1.4 KiB
C#
49 lines
1.4 KiB
C#
using InnovEnergy.Lib.Protocols.Modbus.Protocol;
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using static System.AttributeTargets;
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namespace InnovEnergy.Lib.Protocols.Modbus.Reflection.Attributes;
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[AttributeUsage(Field | Property)]
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public abstract class ModbusAttribute : Attribute
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{
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public UInt16 Address { get; }
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public UInt16 Size { get; }
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public Type ModbusType { get; }
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public ModbusKind Kind { get; }
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protected ModbusAttribute(UInt16 address, UInt16 size, Type modbusType, ModbusKind kind)
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{
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Address = address;
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Size = size;
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ModbusType = modbusType;
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Kind = kind;
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}
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protected ModbusAttribute(UInt16 address, Type modbusType, ModbusKind kind) : this(address, GetSize(modbusType), modbusType, kind)
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{
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}
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private static UInt16 GetSize(Type modbusType)
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{
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if (!TypeToSize.TryGetValue(modbusType, out var size))
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throw new ArgumentException("cannot infer size of" + nameof(modbusType), nameof(modbusType));
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return size;
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}
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private static readonly Dictionary<Type, UInt16> TypeToSize = new()
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{
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[typeof(Boolean)] = 1,
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[typeof(Int16)] = 1,
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[typeof(UInt16)] = 1,
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[typeof(Int32)] = 2,
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[typeof(UInt32)] = 2,
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[typeof(Single)] = 2,
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[typeof(Int64)] = 4,
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[typeof(UInt64)] = 4,
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[typeof(Double)] = 4,
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};
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}
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