void _ObjReader_ReadException(object sender, ReaderExceptionEventArgs e)
{
try
{
//logger.Error(e.ReaderException.Message, e.ReaderException);
writeErrorLog(e.ReaderException.Message, e.ReaderException);
if (_form.InvokeRequired)
{
_form.Invoke(new ShowStatusDelegate(_ObjReader_ReadException), sender, e);
}
else
{
if (OnTagReadException != null)
{
OnTagReadException.Invoke(sender, e);
}
}
}
catch (Exception ex)
{
writeErrorLog(ex.Message, ex);
throw ex;
}
}
public void EnableReader()
{
try
{
// Make sure reader is connected
_ObjReader = ReadMgr.GetReader();
if (_ObjReader == null)
{
//if (scannerstatuslabel != null)
//{
// scannerstatuslabel.Text = "RFID Reader Failed!";
// scannerstatuslabel.Visible = true;
//}
if (OnTagReadException != null)
{
OnTagReadException.Invoke(this, new ReaderExceptionEventArgs(new ReaderException("RFID Reader Failed!")));
}
return;
}
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
Cursor.Current = Cursors.WaitCursor;
try
{
// MCS++
//Check the battery power level
switch (BatteryStatusCheck())
{
case 1: //Battery percentage low
throw new Exception("Battery level is too low to read tags.");
//MessageBox.Show();
//return;
case 2: //Battery Voltage low
throw new Exception("Battery voltage is too low to read tags.");
//MessageBox.Show();
//return;
}
// MCS--
properties["isreading"] = "yes";
Utility.SaveConfigurations(properties);
//disable read power coverage
ReadMgr.GetReader().ParamSet("/reader/transportTimeout", 2000);
string storagevalue = properties["readpower"];
int powerLevel = Convert.ToInt32(storagevalue);
ReadMgr.GetReader().ParamSet("/reader/radio/readPower", powerLevel);
Utility.SwitchRegion(properties["region"]);
// MCS++
#if MCS_NOMAD
ReadMgr.GetReader().ParamSet("/reader/antenna/txRxMap", new int[][] { new int[] { 1, 1, 1 } });
ant.Add(1);
#else
// MCS++ - Will we use 1 or 2 antenna?
ReadMgr.GetReader().ParamSet("/reader/antenna/txRxMap", new int[][] { new int[] { 2, 2, 2 } });
// MCS--
#endif
// MCS--
SimpleReadPlan plan = new SimpleReadPlan(ant.ToArray(), TagProtocol.GEN2);
ReadMgr.GetReader().ParamSet("/reader/read/plan", plan);
//set properties
ReadMgr.GetReader().ParamSet("/reader/read/asyncOffTime", 50);
ReadMgr.GetReader().ParamSet("/reader/powerMode", Reader.PowerMode.FULL);
//set the tag population settings
ReadMgr.GetReader().ParamSet("/reader/gen2/target", Gen2.Target.A);//default target
string tagPopulation = properties["tagpopulation"];
switch (tagPopulation)
{
case "small":
ReadMgr.GetReader().ParamSet("/reader/gen2/q", new Gen2.StaticQ(2));
ReadMgr.GetReader().ParamSet("/reader/gen2/session", Gen2.Session.S0);
ReadMgr.GetReader().ParamSet("/reader/gen2/tagEncoding", Gen2.TagEncoding.M4);
break;
case "medium":
ReadMgr.GetReader().ParamSet("/reader/gen2/q", new Gen2.StaticQ(4));
ReadMgr.GetReader().ParamSet("/reader/gen2/session", Gen2.Session.S1);
ReadMgr.GetReader().ParamSet("/reader/gen2/tagEncoding", Gen2.TagEncoding.M4);
break;
case "large":
ReadMgr.GetReader().ParamSet("/reader/gen2/q", new Gen2.StaticQ(6));
ReadMgr.GetReader().ParamSet("/reader/gen2/session", Gen2.Session.S1);
ReadMgr.GetReader().ParamSet("/reader/gen2/tagEncoding", Gen2.TagEncoding.M2);
break;
default: break;
}
if (null != properties)
{
Utility.SetReaderSettings(ReadMgr.GetReader(), properties);
}
else
{
throw new Exception("properties are null");
}
//MessageBox.Show("properties are null");
//set the read plan and filter
TagFilter filter;
int addressToRead = int.Parse(properties["selectionaddress"]);
Gen2.Bank bank = Gen2.Bank.EPC;
switch (properties["tagselection"].ToLower())
{
case "None":
case "epc": bank = Gen2.Bank.EPC; break;
case "tid": bank = Gen2.Bank.TID; break;
case "user": bank = Gen2.Bank.USER; break;
case "reserved": bank = Gen2.Bank.RESERVED; break;
default: break;
}
if ("yes" == properties["ismaskselected"])
{
filter = new Gen2.Select(true, bank, (uint)addressToRead * 8, (ushort)(properties["selectionmask"].Length * 4), ByteFormat.FromHex(properties["selectionmask"]));
}
else
{
filter = new Gen2.Select(false, bank, (uint)addressToRead * 8, (ushort)(properties["selectionmask"].Length * 4), ByteFormat.FromHex(properties["selectionmask"]));
}
// MCS++
#if MCS_NOMAD
SimpleReadPlan srp;
if (properties["tagselection"].ToLower() == "none")
{
srp = new SimpleReadPlan(new int[] { 1 }, TagProtocol.GEN2, null, 0);
}
else
{
srp = new SimpleReadPlan(new int[] { 1 }, TagProtocol.GEN2, filter, 0);
}
ReadMgr.GetReader().ParamSet("/reader/read/plan", srp);
#else
// MCS++ - use antenna 2
SimpleReadPlan srp;
if (properties["tagselection"].ToLower() == "none")
{
//srp = new SimpleReadPlan(new int[] { 1 }, TagProtocol.GEN2, null, 0);
srp = new SimpleReadPlan(new int[] { 2 }, TagProtocol.GEN2, null, 0);
}
else
{
//srp = new SimpleReadPlan(new int[] { 1 }, TagProtocol.GEN2, filter, 0);
srp = new SimpleReadPlan(new int[] { 2 }, TagProtocol.GEN2, filter, 0);
}
ReadMgr.GetReader().ParamSet("/reader/read/plan", srp);
// MCS--
#endif
// MCS--
ReadMgr.GetReader().ReadException += _ObjReader_ReadException;
ReadMgr.GetReader().TagRead += _ObjReader_TagRead;
ReadMgr.GetReader().StartReading();
}
catch (Exception ex)
{
writeErrorLog(ex.Message, ex);
ReadMgr.GetReader().ParamSet("/reader/powerMode", Reader.PowerMode.MAXSAVE);
properties["isreading"] = "no";
Utility.SaveConfigurations(properties);
throw ex;
}
finally
{
Cursor.Current = Cursors.Default;
}
}
catch (Exception ex)
{
writeErrorLog(ex.ToString(), ex);
if (-1 != ex.Message.IndexOf("RFID reader was not found"))
{
//MessageBox.Show(ex.Message, "Error");
throw ex;
}
else
{
properties["isreading"] = "no";
Utility.SaveConfigurations(properties);
throw ex;
}
}
}
