private bool ExecuteCMD(string tCMD)
{
if (m_Reader == null)
{
return(false);
}
byte[] aFieldSeparator = { (byte)' ' };
byte[] aRespBuf;
string tMsg = null;
logThis("Sending->" + tCMD);
try
{
if (m_Reader.IsConnected)
{
tMsg = m_Reader.Execute(tCMD);
}
else
{
logThis("Reader disconnected, please Connect");
return(false);
}
}
catch (BasicReaderException eBRI)
{
logThis("BasicReaderException: " + eBRI.ToString());
return(false);
}
catch (System.NullReferenceException nr)
{
logThis("Null Ref Exception: " + nr.Message);
logThis("stack: " + nr.StackTrace);
return(false);
}
// if tags were successfully read
if (tMsg.IndexOf("BRI ERR") >= 0)
{
System.Diagnostics.Debugger.Break();
}
//"H112233445566778899001122 HE2001040\r\nOK>"
// System.Diagnostics.Debug.WriteLine("Msg: "+tMsg);
//Show TAG ID
#region READ EPCID/TAGID
if (sCurrentCMD.StartsWith("READ ")) //TAGID
{
if (tMsg.IndexOf("RDERR") >= 0)
{
//ChangeStatus(eStatus.TagReadError);
return(false);
}
aRespBuf = tools.StrToByteArray(tMsg);
tags = BRIParser.GetTags(aRespBuf, aFieldSeparator);
System.Diagnostics.Debug.WriteLine("tags.Length: " + tags.Length);
if (tags == null)
{
return(false);
}
System.Diagnostics.Debug.WriteLine("Msg: " + tMsg);
#if !NORMALTAG
#region ReadUserMemory
// remove newline and carriage returns
tMsg = tMsg.Replace('\n', ' ');
tMsg = tMsg.Replace("\r", "");
string[] ids = tMsg.Split(' ');
// get the even arguments only
System.Diagnostics.Debug.WriteLine("id num " + ids.Length);
if (ids.Length > 1)
{
for (int j = 1; j < ids.Length; j += 2)
{
// System.Diagnostics.Debug.WriteLine("tag " +j+" "+ tags[j].ToString());
string s = ids[j];
System.Diagnostics.Debug.WriteLine(j + " Read id: " + s);
s = s.Substring(1, s.Length - 1);
for (int i = 0; i < s.Length; i++)
{
// remove first part of byte '3'
if (s.Substring(i, 1) == "3")
{
s = s.Remove(i, 1);
}
else
{
// chop off ending zeroes
s = s.Substring(0, i);
break;
}
//System.Diagnostics.Debug.WriteLine(i+" length: "+start.Length+" newString " + start);
}
// make multiple tags comma delimited
string sOut = "";
if (s.Length > 1)
{
//if (j != ids.Length - 2) s = s + ",";
for (int i = 0; i < tags.Length; i++)
{
sOut += s[i];
if (i != s.Length - 1)
{
sOut += ",";
}
}
s = sOut;
}
__MyEvent(this, new MyEventArgs(s));
}
}
#endregion
#else
#region ReadNormalTagMemory
// make multiple tags comma delimited
string sOut = "";
if (tags.Length > 1)
{
//if (j != ids.Length - 2) s = s + ",";
for (int i = 0; i < tags.Length; i++)
{
sOut += tags[i];
if (i != tags.Length - 1)
{
sOut += ",";
}
}
}
else
{
sOut = tags[0].ToString();
}
__MyEvent(this, new MyEventArgs(sOut));
#endregion
#endif
/*
#region READ single TAG
* if (tags.Length == 1)
* {
* //read data from the tag
* System.Diagnostics.Debug.WriteLine("READ TAGID tag data: " + tags[0].ToString());
* }
#endregion
* /
*
* //read tag data (aka EPCID)
* /*
* if (tMsg.StartsWith("H"))
* {
* string s;
* s = tMsg.Substring(1, 24);
* System.Diagnostics.Debug.WriteLine("Read data: " + s);
* string[] args = tMsg.Split(' ');
* if (args.Length > 1)
* {
* System.Diagnostics.Debug.WriteLine("Arg 2: " + args[1]);
* string start = args[1].Substring(1,args[1].Length-1);
*
* for (int i = 0; i < start.Length; i++)
* {
* start = start.Remove(i, 1);
* //System.Diagnostics.Debug.WriteLine(i+" length: "+start.Length+" newString " + start);
* }
* System.Diagnostics.Debug.WriteLine("final ver " + start);
*
* __MyEvent(this, new MyEventArgs(start));
* }
* //txtTagID.Text = s;
* }
*/
}
#endregion
#region ATTRIB
if (sCurrentCMD.Equals("ATTRIB TAGTYPE=EPCC1G2") == true)
{
if (tMsg.IndexOf("OK") >= 0)
{
return(true);
}
else
{
return(false);
}
}
if ((tMsg.IndexOf("ERR") >= 0) & (sCurrentCMD.Equals("ATTRIB SCHEDOPT=1") == false))
{
//MessageBox.Show("Warning, BRI ERR occured for: " + tCMD + "\r\n" + tMsg);
logThis("BRI ERR for: " + tCMD + "\r\n" + tMsg);
return(false);
}
#endregion
return(true);
}
private bool ExecuteCMD(string tCMD)
{
string tMsg = null;
Add2List("Sending->" + tCMD);
try
{
if (m_Reader.IsConnected)
{
tMsg = m_Reader.Execute(tCMD);
}
else
{
ChangeStatus(eStatus.Offline);
Add2List("Reader disconnected, please Connect");
return(false);
}
}
catch (BasicReaderException eBRI)
{
Add2List("BasicReaderException: " + eBRI.ToString());
//MessageBox.Show("BasicReaderException: IDL ERR occured for CMD: " + tCMD + "\r\n" + eBRI.ToString());
ChangeStatus(eStatus.Offline);
return(false);
}
//"H112233445566778899001122 HE2001040\r\nOK>"
Add2List("--->" + tMsg);
//Show TAG ID
if (sCurrentCMD.Equals("READ TAGID"))
{
sbyte[] aFieldSeparator = { (sbyte)' ' };
sbyte[] aRespBuf = tools.StrToSByteArray(tMsg);
Tag[] tags = BRIParser.GetTags(aRespBuf, aFieldSeparator);
if (tags == null)
{
return(false);
}
if (tags.GetLength(0) == 1)
{
//only one tag should be visible
//save the last 22Bits as Box ID
if (VWGTLTAG.IsValidTag(tags[0].ToString()) == false)
{
DialogResult ant = MessageBox.Show("Tag does not meet specs. Overwrite?", "VW tag demo", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1);
if (ant == DialogResult.Yes)
{
UInt32 uBox = vwTag.BoxID;
vwTag = new VWGTLTAG();
vwTag.BoxID = uBox;
}
else
{
ChangeStatus(eStatus.InvalidTag);
return(false);
}
}
else
{
vwTag = new VWGTLTAG(tags[0].ToString()); //create a new tag with the tag data read
}
//read the box id from the tag
iCurrentBoxID = vwTag.BoxID;
txtBoxID.Text = iCurrentBoxID.ToString();
//fill txtbox with data from tag
txtTagDataStr.Text = vwTag.sFilter + " " +
vwTag.iSupplierID.ToString() + " " +
vwTag.iItemNumber.ToString();
System.Diagnostics.Debug.WriteLine("READ TAGID tag data: " + vwTag.ToString());
//tagKey is the same as tag data
//System.Diagnostics.Debug.WriteLine("READ TAGID: tags[0].tagkey: " + tools.Hex2Asc(sByteArrayToString(tags[0].TagKey)));
//store TAGID
sHexCurrentTagID = tags[0].TagFields.FieldArray[0].DataString.Substring(1);
ChangeStatus(eStatus.WriteTag);
}
else
{
//only one tag should be visible
ChangeStatus(eStatus.TooManyTags);
}
//read tag data (aka EPCID)
if (tMsg.StartsWith("H"))
{
string s;
s = tMsg.Substring(1, tMsg.IndexOf(" ") - 1);
txtTagData.Text = s;
s = tMsg.Substring(s.Length + 1);
s = tools.CopyToR(s);
s = s.Substring(s.IndexOf("H") + 1);
txtTagID.Text = s;
}
}
if (sCurrentCMD.Equals("ATTRIB TAGTYPE=EPCC1G2") == true)
{
if (tMsg.IndexOf("OK") >= 0)
{
return(true);
}
else
{
return(false);
}
}
if (tMsg.IndexOf("ERR") >= 0 && sCurrentCMD.Equals("ATTRIB SCHEDOPT=1") == false)
{
//MessageBox.Show("Warning, BRI ERR occured for: " + tCMD + "\r\n" + tMsg);
Add2List("Warning, BRI ERR occured for: " + tCMD + "\r\n" + tMsg);
return(false);
}
if (sCurrentCMD.StartsWith("W "))
{
if (tMsg.IndexOf("ERR") >= 0 && CurrentStatus == eStatus.WriteTag)
{
ChangeStatus(eStatus.WriteTagError);
return(false);
}
if (tMsg.IndexOf("WROK") >= 0 && (CurrentStatus == eStatus.WriteTagError) || (CurrentStatus == eStatus.WriteTag))
{
HighBeep.Play();
ChangeStatus(eStatus.ReadBarcode);
if (tMsg.StartsWith("H"))//"H303033353032393035343135 HE2001040 WROK\r\nOK>"
{
string s;
s = tMsg.Substring(1, tMsg.IndexOf(" ") - 1);
txtTagData.Text = s;
System.Diagnostics.Debug.WriteLine("WROK: tag data string: " + s);
s = tMsg.Substring(s.Length + 1);
s = tools.CopyToR(s);
s = s.Substring(s.IndexOf("H") + 1);
//"E2001040 WROK"
txtTagID.Text = s.Substring(1, s.IndexOf(" ") - 1);
System.Diagnostics.Debug.WriteLine(s);
}
}
}
return(true);
}
