Files
MewtocolNet/MewtocolNet/Mewtocol/DynamicInterface.cs
2022-07-18 09:55:36 +02:00

402 lines
15 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MewtocolNet.Logging;
using MewtocolNet.Registers;
namespace MewtocolNet {
/// <summary>
/// The PLC com interface class
/// </summary>
public partial class MewtocolInterface {
internal event Action PolledCycle;
internal bool ContinousReaderRunning;
internal bool usePoller = false;
#region Register Polling
internal void KillPoller () {
ContinousReaderRunning = false;
}
/// <summary>
/// Attaches a continous reader that reads back the Registers and Contacts
/// </summary>
internal void AttachPoller () {
if (ContinousReaderRunning)
return;
Task.Factory.StartNew(async () => {
Logger.Log("Poller is attaching", LogLevel.Info, this);
int it = 0;
ContinousReaderRunning = true;
while (ContinousReaderRunning) {
if (it >= Registers.Count + 1) {
it = 0;
//invoke cycle polled event
InvokePolledCycleDone();
continue;
}
if (it >= Registers.Count) {
await GetPLCInfoAsync();
it++;
continue;
}
var reg = Registers[it];
if (reg is NRegister<short> shortReg) {
var lastVal = shortReg.Value;
var readout = (await ReadNumRegister(shortReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(shortReg);
}
}
if (reg is NRegister<ushort> ushortReg) {
var lastVal = ushortReg.Value;
var readout = (await ReadNumRegister(ushortReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(ushortReg);
}
}
if (reg is NRegister<int> intReg) {
var lastVal = intReg.Value;
var readout = (await ReadNumRegister(intReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(intReg);
}
}
if (reg is NRegister<uint> uintReg) {
var lastVal = uintReg.Value;
var readout = (await ReadNumRegister(uintReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(uintReg);
}
}
if (reg is NRegister<float> floatReg) {
var lastVal = floatReg.Value;
var readout = (await ReadNumRegister(floatReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(floatReg);
}
}
if (reg is NRegister<TimeSpan> tsReg) {
var lastVal = tsReg.Value;
var readout = (await ReadNumRegister(tsReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(tsReg);
}
}
if (reg is BRegister boolReg) {
var lastVal = boolReg.Value;
var readout = (await ReadBoolRegister(boolReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(boolReg);
}
}
if (reg is SRegister stringReg) {
var lastVal = stringReg.Value;
var readout = (await ReadStringRegister(stringReg)).Register.Value;
if (lastVal != readout) {
InvokeRegisterChanged(stringReg);
}
}
it++;
}
});
}
#endregion
#region Register Adding
/// <summary>
/// Adds a PLC memory register to the watchlist <para/>
/// The registers can be read back by attaching <see cref="WithPoller"/>
/// </summary>
/// <param name="_address">The address of the register in the PLCs memory</param>
/// <param name="_type">
/// The memory area type
/// <para>X = Physical input area (bool)</para>
/// <para>Y = Physical input area (bool)</para>
/// <para>R = Internal relay area (bool)</para>
/// <para>DT = Internal data area (short/ushort)</para>
/// <para>DDT = Internal relay area (int/uint)</para>
/// </param>
/// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
public void AddRegister (int _address, RegisterType _type, string _name = null) {
Register toAdd = null;
//as number registers
if (_type == RegisterType.DT_short) {
toAdd = new NRegister<short>(_address, _name);
}
if (_type == RegisterType.DT_ushort) {
toAdd = new NRegister<ushort>(_address, _name);
}
if (_type == RegisterType.DDT_int) {
toAdd = new NRegister<int>(_address, _name);
}
if (_type == RegisterType.DDT_uint) {
toAdd = new NRegister<uint>(_address, _name);
}
if (_type == RegisterType.DDT_float) {
toAdd = new NRegister<float>(_address, _name);
}
if(toAdd == null) {
toAdd = new BRegister(_address, _type, _name);
}
Registers.Add(toAdd);
}
internal void AddRegister (Type _colType, int _address, RegisterType _type, string _name = null) {
Register toAdd = null;
//as number registers
if (_type == RegisterType.DT_short) {
toAdd = new NRegister<short>(_address, _name);
}
if (_type == RegisterType.DT_ushort) {
toAdd = new NRegister<ushort>(_address, _name);
}
if (_type == RegisterType.DDT_int) {
toAdd = new NRegister<int>(_address, _name);
}
if (_type == RegisterType.DDT_uint) {
toAdd = new NRegister<uint>(_address, _name);
}
if (_type == RegisterType.DDT_float) {
toAdd = new NRegister<float>(_address, _name);
}
if (toAdd == null) {
toAdd = new BRegister(_address, _type, _name);
}
toAdd.collectionType = _colType;
Registers.Add(toAdd);
}
/// <summary>
/// Adds a PLC memory register to the watchlist <para/>
/// The registers can be read back by attaching <see cref="WithPoller"/>
/// </summary>
/// <param name="_spAddress">The special address of the register in the PLCs memory</param>
/// <param name="_type">
/// The memory area type
/// <para>X = Physical input area (bool)</para>
/// <para>Y = Physical input area (bool)</para>
/// <para>R = Internal relay area (bool)</para>
/// <para>DT = Internal data area (short/ushort)</para>
/// <para>DDT = Internal relay area (int/uint)</para>
/// </param>
/// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
public void AddRegister (SpecialAddress _spAddress, RegisterType _type, string _name = null) {
//as bool registers
Registers.Add(new BRegister(_spAddress, _type, _name));
}
internal void AddRegister (Type _colType, SpecialAddress _spAddress, RegisterType _type, string _name = null) {
var reg = new BRegister(_spAddress, _type, _name);
reg.collectionType = _colType;
//as bool registers
Registers.Add(reg);
}
/// <summary>
/// Adds a PLC memory register to the watchlist <para/>
/// The registers can be read back by attaching <see cref="WithPoller"/>
/// </summary>
/// <typeparam name="T">
/// The type of the register translated from C# to IEC 61131-3 types
/// <para>C# ------ IEC</para>
/// <para>short => INT/WORD</para>
/// <para>ushort => UINT</para>
/// <para>int => DOUBLE</para>
/// <para>uint => UDOUBLE</para>
/// <para>float => REAL</para>
/// <para>string => STRING</para>
/// </typeparam>
/// <param name="_name">A naming definition for QOL, doesn't effect PLC and is optional</param>
/// <param name="_address">The address of the register in the PLCs memory</param>
/// <param name="_length">The length of the string (Can be ignored for other types)</param>
public void AddRegister<T>(int _address, int _length = 1, string _name = null) {
Type regType = typeof(T);
if (regType != typeof(string) && _length != 1) {
throw new NotSupportedException($"_lenght parameter only allowed for register of type string");
}
Register toAdd;
if (regType == typeof(short)) {
toAdd = new NRegister<short>(_address, _name);
} else if (regType == typeof(ushort)) {
toAdd = new NRegister<ushort>(_address, _name);
} else if (regType == typeof(int)) {
toAdd = new NRegister<int>(_address, _name);
} else if (regType == typeof(uint)) {
toAdd = new NRegister<uint>(_address, _name);
} else if (regType == typeof(float)) {
toAdd = new NRegister<float>(_address, _name);
} else if (regType == typeof(string)) {
toAdd = new SRegister(_address, _length, _name);
} else if (regType == typeof(TimeSpan)) {
toAdd = new NRegister<TimeSpan>(_address, _name);
} else if (regType == typeof(bool)) {
toAdd = new BRegister(_address, RegisterType.R, _name);
} else {
throw new NotSupportedException($"The type {regType} is not allowed for Registers \n" +
$"Allowed are: short, ushort, int, uint, float and string");
}
if (Registers.Any(x => x.GetRegisterPLCName() == toAdd.GetRegisterPLCName())) {
throw new NotSupportedException($"Cannot add a register multiple times, " +
$"make sure that all register attributes or AddRegister assignments have different adresses.");
}
}
internal void AddRegister<T> (Type _colType, int _address, int _length = 1, string _name = null, bool _isBitwise = false, Type _enumType = null) {
Type regType = typeof(T);
if (regType != typeof(string) && _length != 1) {
throw new NotSupportedException($"_lenght parameter only allowed for register of type string");
}
if (Registers.Any(x => x.MemoryAdress == _address) && _isBitwise) {
return;
}
Register reg = null;
if (regType == typeof(short)) {
reg = new NRegister<short>(_address, _name, _isBitwise);
} else if (regType == typeof(ushort)) {
reg = new NRegister<ushort>(_address, _name);
} else if (regType == typeof(int)) {
reg = new NRegister<int>(_address, _name, _isBitwise, _enumType);
} else if (regType == typeof(uint)) {
reg = new NRegister<uint>(_address, _name);
} else if (regType == typeof(float)) {
reg = new NRegister<float>(_address, _name);
} else if (regType == typeof(string)) {
reg = new SRegister(_address, _length, _name);
} else if (regType == typeof(TimeSpan)) {
reg = new NRegister<TimeSpan>(_address, _name);
} else if (regType == typeof(bool)) {
reg = new BRegister(_address, RegisterType.R, _name);
}
if (reg == null) {
throw new NotSupportedException($"The type {regType} is not allowed for Registers \n" +
$"Allowed are: short, ushort, int, uint, float and string");
} else {
if (Registers.Any(x => x.GetRegisterPLCName() == reg.GetRegisterPLCName()) && !_isBitwise) {
throw new NotSupportedException($"Cannot add a register multiple times, " +
$"make sure that all register attributes or AddRegister assignments have different adresses.");
}
reg.collectionType = _colType;
Registers.Add(reg);
}
}
#endregion
#region Register accessing
/// <summary>
/// Gets a register that was added by its name
/// </summary>
/// <returns></returns>
public Register GetRegister (string name) {
return Registers.FirstOrDefault(x => x.Name == name);
}
/// <summary>
/// Gets a register that was added by its name
/// </summary>
/// <typeparam name="T">The type of register</typeparam>
/// <returns>A casted register or the <code>default</code> value</returns>
public T GetRegister<T> (string name) where T : Register {
try {
var reg = Registers.FirstOrDefault(x => x.Name == name);
return reg as T;
} catch (InvalidCastException) {
return default(T);
}
}
#endregion
#region Register Reading
/// <summary>
/// Gets a list of all added registers
/// </summary>
public List<Register> GetAllRegisters () {
return Registers;
}
#endregion
#region Event Invoking
internal void InvokeRegisterChanged (Register reg) {
RegisterChanged?.Invoke(reg);
}
internal void InvokePolledCycleDone () {
PolledCycle?.Invoke();
}
#endregion
}
}