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大师兄法号随缘
2025-08-26 08:37:44 +08:00
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常用工具集/Utility/Network/S7netplus/PLCAddress.cs Normal file
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namespace S7.Net
{
internal class PLCAddress
{
private DataType dataType;
private int dbNumber;
private int startByte;
private int bitNumber;
private VarType varType;
public DataType DataType
{
get => dataType;
set => dataType = value;
}
public int DbNumber
{
get => dbNumber;
set => dbNumber = value;
}
public int StartByte
{
get => startByte;
set => startByte = value;
}
public int BitNumber
{
get => bitNumber;
set => bitNumber = value;
}
public VarType VarType
{
get => varType;
set => varType = value;
}
public PLCAddress(string address)
{
Parse(address, out dataType, out dbNumber, out varType, out startByte, out bitNumber);
}
public static void Parse(string input, out DataType dataType, out int dbNumber, out VarType varType, out int address, out int bitNumber)
{
bitNumber = -1;
dbNumber = 0;
switch (input.Substring(0, 2))
{
case "DB":
string[] strings = input.Split(new char[] { '.' });
if (strings.Length < 2)
throw new InvalidAddressException("To few periods for DB address");
dataType = DataType.DataBlock;
dbNumber = int.Parse(strings[0].Substring(2));
address = int.Parse(strings[1].Substring(3));
string dbType = strings[1].Substring(0, 3);
switch (dbType)
{
case "DBB":
varType = VarType.Byte;
return;
case "DBW":
varType = VarType.Word;
return;
case "DBD":
varType = VarType.DWord;
return;
case "DBX":
bitNumber = int.Parse(strings[2]);
if (bitNumber > 7)
throw new InvalidAddressException("Bit can only be 0-7");
varType = VarType.Bit;
return;
default:
throw new InvalidAddressException();
}
case "IB":
case "EB":
// Input byte
dataType = DataType.Input;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Byte;
return;
case "IW":
case "EW":
// Input word
dataType = DataType.Input;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Word;
return;
case "ID":
case "ED":
// Input double-word
dataType = DataType.Input;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.DWord;
return;
case "QB":
case "AB":
case "OB":
// Output byte
dataType = DataType.Output;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Byte;
return;
case "QW":
case "AW":
case "OW":
// Output word
dataType = DataType.Output;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Word;
return;
case "QD":
case "AD":
case "OD":
// Output double-word
dataType = DataType.Output;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.DWord;
return;
case "MB":
// Memory byte
dataType = DataType.Memory;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Byte;
return;
case "MW":
// Memory word
dataType = DataType.Memory;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.Word;
return;
case "MD":
// Memory double-word
dataType = DataType.Memory;
dbNumber = 0;
address = int.Parse(input.Substring(2));
varType = VarType.DWord;
return;
default:
switch (input.Substring(0, 1))
{
case "E":
case "I":
// Input
dataType = DataType.Input;
varType = VarType.Bit;
break;
case "Q":
case "A":
case "O":
// Output
dataType = DataType.Output;
varType = VarType.Bit;
break;
case "M":
// Memory
dataType = DataType.Memory;
varType = VarType.Bit;
break;
case "T":
// Timer
dataType = DataType.Timer;
dbNumber = 0;
address = int.Parse(input.Substring(1));
varType = VarType.Timer;
return;
case "Z":
case "C":
// Counter
dataType = DataType.Counter;
dbNumber = 0;
address = int.Parse(input.Substring(1));
varType = VarType.Counter;
return;
default:
throw new InvalidAddressException(string.Format("{0} is not a valid address", input.Substring(0, 1)));
}
string txt2 = input.Substring(1);
if (txt2.IndexOf(".") == -1)
throw new InvalidAddressException("To few periods for DB address");
address = int.Parse(txt2.Substring(0, txt2.IndexOf(".")));
bitNumber = int.Parse(txt2.Substring(txt2.IndexOf(".") + 1));
if (bitNumber > 7)
throw new InvalidAddressException("Bit can only be 0-7");
return;
}
}
}
}