private void GetRealtiemeData()
{
byte[] ScanModeData = new byte[40960];
int nLen, NumLen;
string temp1 = "";
string binarystr1 = "";
string binarystr2 = "";
string RSSI = "";
string AntStr = "";
string lenstr = "";
string EPCStr = "";
int ValidDatalength;
string temp;
ValidDatalength = 0;
DataGridViewRow rows = new DataGridViewRow();
int xtime = System.Environment.TickCount;
fCmdRet = RWDev.ReadActiveModeData(ScanModeData, ref ValidDatalength, frmcomportindex);
if (fCmdRet == 0)
{
try
{
byte[] daw = new byte[ValidDatalength];
Array.Copy(ScanModeData, 0, daw, 0, ValidDatalength);
temp = ByteArrayToHexString(daw);
fInventory_EPC_List = fInventory_EPC_List + temp;//把字符串存进列表
nLen = fInventory_EPC_List.Length;
while (fInventory_EPC_List.Length > 18)
{
string FlagStr = Convert.ToString(fComAdr, 16).PadLeft(2, '0') + "EE00";//查找头位置标志字符串
int nindex = fInventory_EPC_List.IndexOf(FlagStr);
if (nindex > 1)
{
fInventory_EPC_List = fInventory_EPC_List.Substring(nindex - 2);
}
else
{
fInventory_EPC_List = fInventory_EPC_List.Substring(2);
continue;
}
NumLen = Convert.ToInt32(fInventory_EPC_List.Substring(0, 2), 16) * 2 + 2;//取第一个帧的长度
if (fInventory_EPC_List.Length < NumLen)
{
break;
}
temp1 = fInventory_EPC_List.Substring(0, NumLen);
fInventory_EPC_List = fInventory_EPC_List.Substring(NumLen);
if (!CheckCRC(temp1))
{
continue;
}
AntStr = Convert.ToString(Convert.ToInt32(temp1.Substring(8, 2), 16), 2).PadLeft(4, '0');
lenstr = Convert.ToString(Convert.ToInt32(temp1.Substring(10, 2), 16), 10);
EPCStr = temp1.Substring(12, temp1.Length - 18);
RSSI = temp1.Substring(temp1.Length - 6, 2);
var readTime = DateTime.Now;
var tag = new Split
{
DateTimeOfDay = readTime,
TimeOfDay = readTime.ToString("hh.mm.ss.ff"),
Epc = EPCStr,
Rssi = int.Parse(RSSI),
SplitName = _readerProfile.Name,
SplitDeviceId = _readerProfile.Id,
InventorySearchMode = _readerProfile.InventorySearchMode,
Antenna = AntStr
};
if (_readerProfile.ReadingMode == ReadingMode.Desktop)
{
onAssignTag(tag);
continue;
}
onRecordTag(tag);
}
}
catch (System.Exception ex)
{
ex.ToString();
}
}
}
