void m_BCreader_BarcodeRead(object sender, BarcodeReadEventArgs bre)
{
string sBarcode;
int iSymID = bre.Symbology;
sBarcode = bre.strDataBuffer;
//remove unneeded chars
sBarcode = sBarcode.Replace(" ", "");
sBarcode = sBarcode.Replace("-", "");
//test the barcode
if (!VWGTLTAG.CheckBarCode(sBarcode))
{
Add2List(VWGTLTAG.LastError);
ChangeStatus(eStatus.BarCodeErr);
return;
}
//store data
sFilter = sBarcode.Substring(0, 4);
sSupplierID = sBarcode.Substring(4, 9);
sItemNumber = sBarcode.Substring(13, 9);
System.Diagnostics.Debug.WriteLine("Barcode Data:\nFilter: " + sFilter + "\nSupplierID: " + sSupplierID + "\nItemNumber: " + sItemNumber);
//set the barcode data
ChangeStatus(eStatus.ReadTag);
txtBarcodeData.Text = sBarcode;
txtTagID.Text = "";
txtTagData.Text = "";
txtTagDataStr.Text = "";
}
private void btnEncodeFilter_Click(object sender, EventArgs e)
{
vwtag = new ip4scanNtag.VWGTLTAG(txtBoxFilter.Text,
txtSupplier.Text,
txtItemNumber.Text,
txtBoxID.Text);
txtTagHex.Text = vwtag.GetHex();
txtTagRead.Text = vwtag.ToString();
}
private void btnDecodeTagFromHex_Click(object sender, EventArgs e)
{
if (!VWGTLTAG.IsValidTag(txtTagHex.Text))
{
txtTagHex.BackColor = Color.Red;
return;
}
else
{
txtTagHex.BackColor = Color.LightGreen;
}
ip4scanNtag.VWGTLTAG vwtag1 = new ip4scanNtag.VWGTLTAG(txtTagHex.Text);
//read values
txtBoxFilter.Text = vwtag1.sFilter;
txtSupplier.Text = vwtag1.iSupplierID.ToString();
txtItemNumber.Text = vwtag1.iItemNumber.ToString();
txtBoxID.Text = vwtag1.BoxID.ToString();
}
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);
}
