/// <summary>
/// 封装LIST
/// </summary>
/// <param name="valuelist">读取的byte</param>
/// <param name="dt">读取的table</param>
/// <returns></returns>
public List <TagValue> getValue(byte[] resultAry, DataTable dt)
{
List <TagValue> tagList = new List <TagValue>();
byte[] valuelist = new byte[132];
if (resultAry.Length != 137)
{
return(tagList);
}
Array.Copy(resultAry, 3, valuelist, 0, resultAry.Length - 5);
Array.Reverse(valuelist);
try
{
TagValue objValue;
// int diviceId = BitConverter.ToInt32(valuelist, 0);
int num0 = int.Parse(resultAry[0].ToString());
if (num0 < 100 || num0 > 200)
{
return(tagList);
}
DataRow[] rows = dt.Select("PLCAddress='" + num0 + "'");
Console.WriteLine("PLC" + num0 + "|" + resultAry.Length);
if (rows.Length > 0)
{
DataRow resultRow = dt.Select("PLCAddress='" + num0 + "'")[0];
int bitcount = int.Parse(resultRow["BitCount"].ToString());
float[] fvlist = new float[bitcount];
for (int i = 0; i < bitcount; i++)
{
float floatValue = BitConverter.ToSingle(valuelist, i * 4);
fvlist[i] = floatValue;
}
Array.Reverse(fvlist);
for (int i = 0; i < bitcount; i++)
{
string str_tagname = resultRow[5 + i].ToString();
if (str_tagname == "1" || str_tagname.Trim() == "")
{
continue;
}
objValue = new TagValue();
objValue.TagName = str_tagname;
objValue.DateTime = DateTime.Now.Date.AddHours(DateTime.Now.Hour).AddMinutes(DateTime.Now.Minute);
objValue.DeviceId = resultRow["HotName"].ToString();
if (fvlist[i] < 0)
{
objValue.Value = 0;
}
else
{
objValue.Value = Math.Round(fvlist[i] / 100, 2);
}
if (double.IsNaN(objValue.Value))
{
objValue.Value = -123456;
}
objValue.PLCadd = resultRow["PLCAddress"].ToString();
tagList.Add(objValue);
}
}
}
catch (Exception ex)
{
Console.WriteLine("error:" + ex.Message);
}
return(tagList);
}
