public static int GetTagOffset(string tagName, int baseNum)
{
if (string.IsNullOrEmpty(tagName))
{
return(0);
}
int off = 0;
switch (tagName[0])
{
case 'X':
case 'x':
case 'Y':
case 'y':
if (baseNum == 8)
{
off = (int)FxConvert.OctToValue(tagName.Substring(1)); // 8进制
}
else
{
off = (int)FxConvert.HexToDec(tagName.Substring(1)); // 16进制
}
break;
default:
off = (int)FxConvert.DecToValue(tagName.Substring(1)); // 十进制
break;
}
return(off);
}
/// <summary>
/// 解析PLC响应数据（到集合中）
/// </summary>
/// <typeparam name="T">支持数据类型 UInt16DataType,UInt32DataType</typeparam>
/// <param name="pureData"></param>
/// <param name="startIndex"></param>
/// <param name="value">解析后的返回值</param>
public static void ParseSmart <T>(byte[] data, int startIndex, out List <int> value) where T : ICellDataType, new()
{
T t = new T();
value = new List <int>();
if (data.Length < 7)
{
return; // 长度至少大于7
}
if (data[startIndex] != FxControlCode._STX)
{
return;
}
// 每次处理一个 4B 或 8B,对应着 ushort，uint
if (t.DataItemSize == 1)
{
for (int i = startIndex + 1; i < (data.Length - startIndex - t.DataItemHexStringSize); i += t.DataItemHexStringSize)
{
int v = FxConvert.HexToDec(data, i, t.DataItemHexStringSize);
value.Add(v);
}
}
else
{
for (int i = startIndex + 1; i < (data.Length - startIndex - t.DataItemHexStringSize); i += t.DataItemHexStringSize)
{
int v = FxConvert.HexToDecBig(data, i, t.DataItemHexStringSize);
value.Add(v);
}
}
}
