public override object Read(plcdb_lib.Models.Model.TagsRow t)
{
if (!Client.Connected())
{
int connResult = Client.ConnectTo(ControllerInfo.Address, (int)ControllerInfo.s7_rack, (int)ControllerInfo.s7_slot);
if (connResult != 0)
{
Log.Error(GetErrorText(connResult));
Client.Disconnect();
Client = null;
Client = new S7Client();
throw new EntryPointNotFoundException("Unable to connect to PLC " + ControllerInfo.Name);
}
bgReadThread.DoWork -= ReadFromPLC;
bgReadThread.DoWork += ReadFromPLC;
RefreshDataTimer.Interval = 1000;
RefreshDataTimer.Elapsed -= RefreshDataTimer_Elapsed;
RefreshDataTimer.Elapsed += RefreshDataTimer_Elapsed;
RefreshDataTimer.Start();
}
SiemensTag Tag = ActiveTags.FirstOrDefault(p => p.TagRow.PK == t.PK);
if (Tag == null)
{
Tag = new SiemensTag()
{
TagRow = t
};
ActiveTags.Add(Tag);
}
return(Tag.TagRow.CurrentValue);
}
private void SetPropertiesFromTagRow(Model.TagsRow value)
{
SiemensTag Tag = CreateTag(value.Address);
Start = Tag.Start;
Length = Tag.Length;
Bit = Tag.Bit;
}
private void WriteToPLC(SiemensTag t, object val)
{
lock (Client)
{
SiemensTag Tag = ActiveTags.FirstOrDefault(p => p.TagRow.PK == t.TagRow.PK);
if (Tag == null)
{
ActiveTags.Add(new SiemensTag()
{
TagRow = t.TagRow
});
}
int result = 0;
if (Tag.Length == SiemensTag.AddressLength.Bit) //if bit is used, start address is byte_number*8 + bit_number
{
byte mask = (byte)(1 << Tag.Bit);
if (Convert.ToBoolean(val))
{
Buffer[Tag.Start] |= mask;
}
else
{
Buffer[Tag.Start] &= mask;
}
result = Client.WriteArea((int)Tag.AddressSpace, Tag.DB, Tag.Start * 8 + Tag.Bit, 1, (int)Tag.Length, Buffer);
}
else if (Tag.Length == SiemensTag.AddressLength.DWord || Tag.Length == SiemensTag.AddressLength.Real)
{
byte[] ConvertedToBytes = BitConverter.GetBytes((int)val);
for (int i = 0; i < 4; i++)
{
Buffer[Tag.Start + i] = ConvertedToBytes[i];
}
result = Client.WriteArea((int)Tag.AddressSpace, Tag.DB, Tag.Start, 2, (int)Tag.Length, Buffer);
}
else
{
byte[] ConvertedToBytes = BitConverter.GetBytes(short.Parse(val.ToString()));
for (int i = 0; i < 2; i++)
{
Buffer[Tag.Start + i] = ConvertedToBytes[i];
}
result = Client.WriteArea((int)Tag.AddressSpace, Tag.DB, Tag.Start, 1, (int)Tag.Length, Buffer);
}
if (result != 0)
{
Log.Error("Error writing tag " + Tag.TagRow + ", " + GetErrorText(result));
Client.Disconnect();
Client = null;
Client = new S7Client();
}
}
}
public override bool Write(plcdb_lib.Models.Model.TagsRow t, object val)
{
SiemensTag Tag = ActiveTags.FirstOrDefault(p => p.TagRow.PK == t.PK);
if (Tag == null)
{
Tag = new SiemensTag()
{
TagRow = t
};
ActiveTags.Add(Tag);
}
WriteToPLC(Tag, val);
return(true);
}
public static SiemensTag CreateTag(String address)
{
SiemensTag NewTag = new SiemensTag();
NewTag.Bit = -1;
address = address.ToUpper();
if (DbRegex.IsMatch(address))
{
char AddressType = Regex.Match(address, "(DBB|DBX|DBW|DBD)").Value[2];
if (AddressType == 'X')
{
NewTag.Length = AddressLength.Bit;
NewTag.Start = int.Parse(Regex.Match(address, @"DBX[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(3));
NewTag.Bit = int.Parse(Regex.Match(address, @"\.[0-7]").Value.Substring(1));
}
else if (AddressType == 'B')
{
NewTag.Length = AddressLength.Byte;
NewTag.Start = int.Parse(Regex.Match(address, @"DBB[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(3));
}
else if (AddressType == 'W')
{
NewTag.Length = AddressLength.Word;
NewTag.Start = int.Parse(Regex.Match(address, @"DBW[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(3));
}
else if (AddressType == 'D')
{
NewTag.Length = AddressLength.DWord;
NewTag.Start = int.Parse(Regex.Match(address, @"DBD[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(3));
}
}
else if (MRegex.IsMatch(address))
{
Match AddressTypeMatch = Regex.Match(address, "(MB|MW|MD)");
if (!AddressTypeMatch.Success)
{
NewTag.Length = AddressLength.Bit;
NewTag.Start = int.Parse(Regex.Match(address, @"M[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(1));
NewTag.Bit = int.Parse(Regex.Match(address, @"\.[0-7]").Value.Substring(1));
}
else
{
char AddressType = AddressTypeMatch.Value[1];
if (AddressType == 'B')
{
NewTag.Length = AddressLength.Byte;
NewTag.Start = int.Parse(Regex.Match(address, @"MB[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'W')
{
NewTag.Length = AddressLength.Word;
NewTag.Start = int.Parse(Regex.Match(address, @"MW[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'D')
{
NewTag.Length = AddressLength.DWord;
NewTag.Start = int.Parse(Regex.Match(address, @"MD[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
}
}
else if (IRegex.IsMatch(address))
{
Match AddressTypeMatch = Regex.Match(address, "(IB|IW|ID)");
if (!AddressTypeMatch.Success)
{
NewTag.Length = AddressLength.Bit;
NewTag.Start = int.Parse(Regex.Match(address, @"I[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(1));
NewTag.Bit = int.Parse(Regex.Match(address, @"\.[0-7]").Value.Substring(1));
}
else
{
char AddressType = AddressTypeMatch.Value[1];
if (AddressType == 'B')
{
NewTag.Length = AddressLength.Byte;
NewTag.Start = int.Parse(Regex.Match(address, @"IB[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'W')
{
NewTag.Length = AddressLength.Word;
NewTag.Start = int.Parse(Regex.Match(address, @"IW[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'D')
{
NewTag.Length = AddressLength.DWord;
NewTag.Start = int.Parse(Regex.Match(address, @"ID[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
}
}
else if (QRegex.IsMatch(address))
{
Match AddressTypeMatch = Regex.Match(address, "(QB|QW|QD)");
if (!AddressTypeMatch.Success)
{
NewTag.Length = AddressLength.Bit;
NewTag.Start = int.Parse(Regex.Match(address, @"Q[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(1));
NewTag.Bit = int.Parse(Regex.Match(address, @"\.[0-7]").Value.Substring(1));
}
else
{
char AddressType = AddressTypeMatch.Value[1];
if (AddressType == 'B')
{
NewTag.Length = AddressLength.Byte;
NewTag.Start = int.Parse(Regex.Match(address, @"QB[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'W')
{
NewTag.Length = AddressLength.Word;
NewTag.Start = int.Parse(Regex.Match(address, @"QW[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
else if (AddressType == 'D')
{
NewTag.Length = AddressLength.DWord;
NewTag.Start = int.Parse(Regex.Match(address, @"QD[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(2));
}
}
}
else if (CRegex.IsMatch(address))
{
NewTag.Length = AddressLength.Counter;
NewTag.Start = int.Parse(Regex.Match(address, @"C[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(1));
}
else if (TRegex.IsMatch(address))
{
NewTag.Length = AddressLength.Timer;
NewTag.Start = int.Parse(Regex.Match(address, @"T[0-9]+[0-9]*[0-9]*[0-9]*[0-9]*").Value.Substring(1));
}
else
{
return(null);
}
return(NewTag);
}
public override bool ValidateTag(string address)
{
bool CreatedTagSuccess = SiemensTag.CreateTag(address) != null;
return(CreatedTagSuccess);
}
