/* tasked method which searches for new tasks in the field of the reader
* adds only distinct chips the the list of scanned tags */
private void Scanner()
{
while (Scanning)
{
try
{
var tagList = _reader.TagInventory(true, 0x00, 1);
Logger.GetInstance().Log("SC: Tagged Inventory");
if (tagList.Count > 0)
{
Logger.GetInstance().Log($"tagList.Count = {tagList.Count}");
var listTagHandler = tagList.Values;
foreach (FedmIscTagHandler th in listTagHandler)
{
if (th == null)
{
continue;
}
var tagHandler = th;
tagHandler = _reader.TagSelect(tagHandler, 0);
Logger.GetInstance().Log("SC: Called TagSelect");
if (!(tagHandler is FedmIscTagHandler_ISO15693))
{
continue;
}
var scannedTag = (FedmIscTagHandler_ISO15693)tagHandler;
lock (_scannedTags) // lock object because same list is used as return value in asynchronous main thread
{
if (!_scannedTags.ContainsKey(scannedTag.GetUid()))
{
_scannedTags.Add(scannedTag.GetUid(), scannedTag.ToString()); // info about tag gets saved into list if its not already inside
}
}
}
System.Threading.Thread.Sleep(100); // if tags could have been found, wait for 100 ms // TODO maybe switch with event based waking up
}
else
{
Logger.GetInstance().Log("SC: No Tags received");
System.Threading.Thread.Sleep(200); // if no tags could have been found, wait for 200 ms // TODO maybe switch with event based waking up
}
}
catch (Exception e)
{
Logger.GetInstance().Log("SC: --EXCEPTION caught while scanning: " + e.Message + e.GetType());
}
}
}
private void btnInventory_Click(object sender, EventArgs e)
{
Dictionary <string, FedmIscTagHandler> .ValueCollection listTagHandler;
if (!connected)
{
return;
}
// RF-Reset
Reader.SendProtocol(0x69);
// execute Inventory for all tags with Mode=0 at first Antenna
TagList = Reader.TagInventory(true, 0x00, 0x01);
listTagHandler = TagList.Values;
foreach (FedmIscTagHandler tag in listTagHandler)
{
Console.WriteLine(tag.GetUid());
}
}
public string[] TagInventory()
{
var tagsInventory = _reader.TagInventory(true, 0x10, Settings.Instance.AntennaByte);
return(tagsInventory.Keys.Select(key => HexConverter.ConvertHexToAsciiString(key)).ToArray());
}
/* tasked method which searches for new tasks in the field of the reader
* adds only distinct chips the the list of scanned tags */
private void Scanner()
{
while (Scanning)
{
try
{
var tagList = _reader.TagInventory(true, 0x00, 1);
if (tagList.Count > 0)
{
Logger.GetInstance().Log($"tagList.Count = {tagList.Count}");
var listTagHandler = tagList.Values;
foreach (FedmIscTagHandler th in listTagHandler)
{
if (th == null)
{
continue;
}
FedmIscTagHandler tagHandler;
try
{
tagHandler = _reader.TagSelect(th, 0);
}
catch (Exception e)
{
Logger.GetInstance().Log("--Exception caught in SC: " + e.Message);
continue;
}
Logger.GetInstance().Log("SC: Called TagSelect");
// Check if the scanned tag is of the correct type
if (!(tagHandler is FedmIscTagHandler_ISO15693))
{
continue;
}
try
{
// Create TagData from tag
TagData scannedTag = FormatTagHandlerToTagData((FedmIscTagHandler_ISO15693)tagHandler);
lock (_scannedTags
) // lock object because same list is used as return value in asynchronous main thread
{
if (!_scannedTags.Contains(scannedTag))
{
_scannedTags
.Add(
scannedTag); // info about tag gets saved into list if its not already inside
OnNewTagScanned(scannedTag);
}
}
}
catch (Exception e)
{
Logger.GetInstance().Log("--Exception caught in SC: " + e.Message);
}
}
System.Threading.Thread.Sleep(100); // if tags could have been found, wait for 100 ms
}
else
{
System.Threading.Thread.Sleep(200); // if no tags could have been found, wait for 200 ms
}
}
catch (Exception e)
{
Logger.GetInstance().Log("SC: --EXCEPTION caught while scanning: " + e.Message + e.GetType());
}
}
}