private static void Instance_DataReceived(object sender, BarcodeScanEventArgs e)
{
_lastScanned = e.Data;
var raw = Encoding.Default.GetString(e.RawData);
Console.WriteLine("Barcode type: " + e.BarcodeType.GetDescription());
Console.WriteLine("Data: " + e.Data);
}
private static void OnDataReceived(object sender, BarcodeScanEventArgs e)
{
Console.WriteLine("Scan Successful - Data: " + e.Data);
using (TextWriter textWriter = File.CreateText(e.Data.Replace(" ", "_")))
{
textWriter.WriteLine(e.Data);
}
}
private static void OnDataReceived(object sender, BarcodeScanEventArgs e)
{ // Modify logging depending on if in multipoint mode - can get better info from prefix
Console.WriteLine("Barcode scan detected from scanner id=" + e.ScannerId + ": " + e.Data);
_log.Debug("Barcode scan detected from scanner id=" + e.ScannerId + ": " + e.Data);
// get prefix identifier and convert from char to int
int prefix = Convert.ToInt32(e.Data[0]);
Console.WriteLine("PREFIX:" + prefix);
int scannerId = prefixes[prefix];
// chop prefix off barcode, and convert to uppercase and strip any whitespace
string barcode = e.Data.Substring(1).ToUpper().Trim();
BarcodeType barcodeType = CheckBarcode(barcode);
if (barcodeType == BarcodeType.None)
{
_log.Error("Barcode " + e.Data + " not recognized as location or NID");
// **** FIX *****
SendNotification(scannerId, notifications["barcodeFailure"]);
}
else
{
// if successful scan, then either stop timer or restart start it, so stop here.
// stopping timer avoids potential race condition
//if (_scanTimer != null)
//{
// _scanTimer.Stop();
//}
//if (timers[scannerId] != null)
//{
// timers[scannerId].Stop();
//}
if (scanners[scannerId].timer != null)
{
scanners[scannerId].timer.Stop();
}
scanners[scannerId].timer = new ScannerTimer
{
Interval = 5000,
AutoReset = false,
scannerId = scannerId,
ledOff = null
};
scanners[scannerId].timer.Elapsed += OnScanTimerElapsed;
//_scanTimer.Elapsed += OnScanTimerElapsed;
//_scanTimer = new ScannerTimer
//{
// Interval = 5000,
// AutoReset = false,
// scannerId = e.ScannerId,
// ledOff = null
//};
//_scanTimer.Elapsed += OnScanTimerElapsed;
//timers[scannerId] = new ScannerTimer
//{
// Interval = 5000,
// AutoReset = false,
// scannerId = scannerId,
// ledOff = null
//};
//timers[scannerId].Elapsed += OnScanTimerElapsed;
_log.Debug("Barcode " + barcode + " recognized as type " + barcodeType);
Console.WriteLine("Barcode " + barcode + " recognized as type " + barcodeType);
// case 1: prevScan: null current: nid1 -> prevScan: nid1 timer: start ()
// case 2: prevScan: null current: location1 -> prevScan: location1 timer: start ()
// case 3: prevScan: nid1 current: nid1 -> prevScan: null timer: stop (remove nid's location from database)
// case 4: prevScan: nid1 current: nid2 -> prevScan: nid2 timer: start (overwrite previous nid with new prevScan nid)
// case 5: prevScan: nid1 current: location1 -> prevScan: location1 timer: start (nid scanned first - overwrite with location)
// case 6: prevScan: location1 current: location1 -> prevScan: location1 timer: start (overwrite same location)
// case 7: prevScan: location1 current: location2 -> prevScan: location2 timer: start (overwrite new location)
// case 8: prevScan: location1 current: nid1 -> prevScan: null timer: stop (update nid's location in database)
// cases 1 and 2
if (scanners[scannerId].prevScan == null)
{
//_scanTimer.Start();
//timers[scannerId].Start();
scanners[scannerId].timer.Start();
scanners[scannerId].prevScan = Tuple.Create(barcode, barcodeType);
//prevScan = Tuple.Create(barcode, barcodeType);
}
// cases 5,6,7
else if (barcodeType == BarcodeType.location)
{
//_scanTimer.Start();
//timers[scannerId].Start();
scanners[scannerId].timer.Start();
//prevScan = Tuple.Create(barcode, barcodeType);
scanners[scannerId].prevScan = Tuple.Create(barcode, barcodeType);
}
else
{
if (scanners[scannerId].prevScan.Item2 == BarcodeType.nid)
{
// case 3
if (barcode.Equals(scanners[scannerId].prevScan.Item1))
{
SendNotification(scannerId, notifications["tryDatabase"]);
//UpdateDatabase(e.ScannerId, barcode);
//prevScan = null;
scanners[scannerId].prevScan = null;
}
// case 4
else
{
//_scanTimer.Start();
//timers[scannerId].Start();
scanners[scannerId].timer.Start();
//prevScan = Tuple.Create(barcode, barcodeType);
scanners[scannerId].prevScan = Tuple.Create(barcode, barcodeType);
}
}
// case 8
else
{
SendNotification(scannerId, notifications["tryDatabase"]);
//string location = prevScan.Item1;
//UpdateDatabase(e.ScannerId, barcode, location);
scanners[scannerId].prevScan = null;
}
}
}
}
private static void OnDataReceived(object sender, BarcodeScanEventArgs e)
{
Console.WriteLine("Barcode scan detected from scanner id=" + e.ScannerId + ": " + e.Data);
log.Debug("Barcode scan detected from scanner id=" + e.ScannerId + ": " + e.Data);
// get prefix identifier and convert from char to int
//int prefix = Convert.ToInt32(e.Data[0]);
int scannerId = scannerInfo.scanner.Info.ScannerId;
// convert to uppercase and strip any whitespace
string barcode = e.Data.ToUpper().Trim();
BarcodeType barcodeType = CheckBarcode(barcode);
if (barcodeType == BarcodeType.None)
{
log.Error("Barcode " + e.Data + " not recognized as location or NID");
Console.WriteLine("Barcode " + e.Data + " not recognized as location or NID");
SendNotification(scannerId, notifications["barcodeFailure"]);
}
else
{
// if successful scan, then either stop timer or restart start it, so stop here.
if (scannerInfo.timer != null)
{
scannerInfo.timer.Stop();
}
scannerInfo.timer = new ScannerTimer
{
Interval = timerInterval,
AutoReset = false,
scannerId = scannerId,
ledOff = null
};
scannerInfo.timer.Elapsed += OnScanTimerElapsed;
log.Debug("Barcode " + barcode + " recognized as type " + barcodeType);
Console.WriteLine("Barcode " + barcode + " recognized as type " + barcodeType);
// case 1: prevScan: null current: nid1 -> prevScan: nid1 timer: start ()
// case 2: prevScan: null current: location1 -> prevScan: location1 timer: start ()
// case 3: prevScan: nid1 current: nid1 -> prevScan: null timer: stop (remove nid's location from database)
// case 4: prevScan: nid1 current: nid2 -> prevScan: nid2 timer: start (overwrite previous nid with new prevScan nid)
// case 5: prevScan: nid1 current: location1 -> prevScan: location1 timer: start (nid scanned first - overwrite with location)
// case 6: prevScan: location1 current: location1 -> prevScan: location1 timer: start (overwrite same location)
// case 7: prevScan: location1 current: location2 -> prevScan: location2 timer: start (overwrite new location)
// case 8: prevScan: location1 current: nid1 -> prevScan: null timer: stop (update nid's location in database)
// NOTE: BarcodeType.multiLocation added. Behaves same as location except do not delete prevScan in case 8.
// cases 1 and 2
if (scannerInfo.prevScan == null)
{
scannerInfo.timer.Start();
scannerInfo.prevScan = Tuple.Create(barcode, barcodeType);
}
// cases 5,6,7
else if (barcodeType == BarcodeType.location || barcodeType == BarcodeType.multiLocation)
{
scannerInfo.timer.Start();
scannerInfo.prevScan = Tuple.Create(barcode, barcodeType);
}
else
{
if (scannerInfo.prevScan.Item2 == BarcodeType.nid)
{
// case 3
if (barcode.Equals(scannerInfo.prevScan.Item1))
{
SendNotification(scannerId, notifications["tryDatabase"]);
UpdateDatabase(scannerId, barcode);
scannerInfo.prevScan = null;
}
// case 4
else
{
scannerInfo.timer.Start();
scannerInfo.prevScan = Tuple.Create(barcode, barcodeType);
}
}
// case 8 (prevScan is location or multiLocation)
else
{
SendNotification(scannerId, notifications["tryDatabase"]);
string location = scannerInfo.prevScan.Item1;
UpdateDatabase(scannerId, barcode, location);
// if multiple items are allowed, then do not wipe location
if (scannerInfo.prevScan.Item2 == BarcodeType.location)
{
scannerInfo.prevScan = null;
}
// if at portapillars, location only gets wiped when scanner times out. Each NID scanned restarts timer.
else
{
scannerInfo.timer.Start();
}
}
}
}
}
