private static async System.Threading.Tasks.Task Console_Execute_IdentifyAsync(DocInterfaceControl _docIntControl)
{
m_LastTagID = null;
//First make sure DocInterfaceControl is initialized
if (_docIntControl != null)
{
if (_docIntControl.IsInitialized)
{
try
{
DateTime startTime = DateTime.UtcNow;
//Call Identify and show result
var tagScanInfo = await _docIntControl.IdentifyAsync();
TimeSpan processSpan = DateTime.UtcNow - startTime;
if (tagScanInfo != null)
{
Console.WriteLine("");
Console.WriteLine("IdentifyResult:");
Console.WriteLine(tagScanInfo.ToString());
Console.WriteLine(string.Format("(Duration: {0})", processSpan));
//TagScanInfo can be either HfScanResultInfo (for HF scan) or UhfScanResultInfo (for UHF scan).
// check type to obtain TagID and save it into global variable to be used by ReadBytes/WriteBytes
if (tagScanInfo is HfScanResultInfo)
{
m_LastTagID = (tagScanInfo as HfScanResultInfo).TagID;
}
if (tagScanInfo is UhfScanResultInfo)
{
//For UHF more than one TAG can be found at once. For demo purposes select first TagID
var uhfScan = (tagScanInfo as UhfScanResultInfo);
if (uhfScan != null)
{
if (uhfScan.TagInfoList.Count > 0)
{
m_LastTagID = uhfScan.TagInfoList[0].UII.UII;
}
}
}
}
else
{
//Update result in UI
Console.WriteLine(string.Format("Result: FAIL. Duration: {0}", processSpan));
}
}
catch
{
Console.WriteLine("Exception");
}
}
else
{
Console.WriteLine("DocInterfaceControl not initialized!");
}
}
}
private async void Button_Identify_ClickAsync(object sender, RoutedEventArgs e)
{
//Identify --> Search for transponders
comboBox_TagID.IsEnabled = false;
comboBox_TagID.Items.Clear();
if (m_DocInterface != null)
{
if (m_DocInterface.IsInitialized)
{
DateTime startTime = DateTime.UtcNow;
//This function blocks & searches for a default time of 1 second (optional parameter)
try
{
textBox_ThreadLog.Text += "\n = IdentifyAsync =\n";
textBox_ThreadLog.ScrollToEnd();
var identifyResult = await m_DocInterface.IdentifyAsync();
TimeSpan processSpan = DateTime.UtcNow - startTime;
if (identifyResult != null)
{
if (identifyResult is HfScanResultInfo)
{
HfScanResultInfo hfResult = identifyResult as HfScanResultInfo;
//Update result in UI
comboBox_TagID.Items.Add(BitConverter.ToString(hfResult.TagID));
//Select first ID to be used in ReadBytes/WriteBytes
comboBox_TagID.SelectedIndex = 0;
string toLog = string.Format("Result: OK. Duration: {0}\n", processSpan);
toLog += "- HF ScanResult -\n";
toLog += string.Format("\t{0}", BitConverter.ToString(hfResult.TagID));
toLog += "\n";
textBox_ThreadLog.Text += toLog;
textBox_ThreadLog.ScrollToEnd();
}
if (identifyResult is UhfScanResultInfo)
{
UhfScanResultInfo uhfResult = identifyResult as UhfScanResultInfo;
//Update result in UI
foreach (var tsi in uhfResult.TagInfoList)
{
comboBox_TagID.Items.Add(BitConverter.ToString(tsi.UII.UII));
}
//Select first UII to be used in ReadBytes/WriteBytes
comboBox_TagID.SelectedIndex = 0;
if (comboBox_TagID.Items.Count > 1)
{
comboBox_TagID.IsEnabled = true;
}
string toLog = string.Format("Result: OK. Duration: {0}\n", processSpan);
toLog += "- UHF ScanResult -\n";
toLog += " Ant\tUII-Bytes\n";
foreach (var tsi in uhfResult.TagInfoList)
{
toLog += string.Format(" {0}\t{1}\n", tsi.AntennaNumber, BitConverter.ToString(tsi.UII.UII));
}
textBox_ThreadLog.Text += toLog;
textBox_ThreadLog.ScrollToEnd();
}
}
else
{
//Update result in UI
textBox_ThreadLog.Text += string.Format("Result: FAIL. Duration: {0}\n", processSpan);
textBox_ThreadLog.ScrollToEnd();
}
}
catch (Exception ex)
{
TimeSpan processSpan = DateTime.UtcNow - startTime;
textBox_ThreadLog.Text += string.Format("Result: Exception. Duration: {0}\n", processSpan);
textBox_ThreadLog.ScrollToEnd();
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
}
}