// PnpEventArgs: there is no way of telling which scanner attached / detached
private static void OnScannerAttached(object sender, PnpEventArgs e)
{
log.Debug("Scanner attached");
Console.WriteLine("Scanner attached");
// if cradle detaches, when it reattaches this event handler gets called once for cradle, once for scanner.
// only want to configure one time.
// this needs to be handled for more scanners. Can set 10 second timer to delete oldScanners
if (BarcodeScannerManager.Instance.GetDevices().Count > 1)
{
oldScannerInfo = scannerInfo;
// every time scanner is attached, reconfigure all scanners, because there is no guarantee that scanner that has
// previously detached has the same id when it reattaches, and we don't have the id of the scanner that has attached.
ConfigureScanners();
}
}
//set behaviour of scanners
public static void ConfigureScanners()
{
//int asciiPrefix = 0x61;
// no way to tell which scanner disconnects so reset everything whenever any scanner disconnects
//prefixes = new Dictionary<int, int>();
//scanners = new Dictionary<int, ScannerInfo>();
List <IMotorolaBarcodeScanner> deviceList = BarcodeScannerManager.Instance.GetDevices();
// Ensure scanners are attached
if (deviceList.Count == 0)
{
log.Error("No scanners are attached.");
Console.WriteLine("No scanners are attached.");
return;
}
// want: multipoint-point, low volume, beep / flash green on good decode, mode IBMHID, assign prefix
foreach (var scanner in deviceList)
{
// if cradle
if (scanner.Info.ModelNumber == "CR0078-SC10007WR")
{
scanner.SetHostMode(HostMode.USB_IBMHID);
// Set cradle to multipoint-to-point mode, so that up to 3 scanners can be linked to it.
//scanner.Actions.StoreIBMAttribute(538, DataType.Bool, true);
log.Debug("Setting hostmode=USB_IBMHID for scanner serial=" + scanner.Info.SerialNumber);
Console.WriteLine("Setting hostmode=USB_IBMHID for scanner serial=" + scanner.Info.SerialNumber);
}
// if scanner
else
{
// Set beeper volume low
scanner.Actions.StoreIBMAttribute(140, DataType.Byte, BeeperVolume.Low);
// Set beeper tone medium
scanner.Actions.StoreIBMAttribute(145, DataType.Byte, 2);
// Set beep on BarcodeScanEvent - LED also flashes green (unable to change)
scanner.Actions.StoreIBMAttribute(56, DataType.Bool, true);
// Disable laser flashing on BarcodeScanEvent
scanner.Actions.StoreIBMAttribute(859, DataType.Byte, 0);
// Enable barcode prefix
//scanner.Actions.StoreIBMAttribute(235, DataType.Byte, 4);
// scanner.Actions.StoreIBMAttribute(99, DataType.Array, 1);
// assign letter prefix for identification
// scanner.Actions.StoreIBMAttribute(105, DataType.Array, asciiPrefix);
//prefixes.Add(asciiPrefix, scanner.Info.ScannerId);
scannerInfo = new ScannerInfo
{
scanner = scanner,
//prefix = asciiPrefix,
timer = null,
prevScan = null
};
// restore saved information for matching scanner
if (oldScannerInfo != null)
{
Console.WriteLine("old scanner detected");
scannerInfo.timer = oldScannerInfo.timer;
scannerInfo.prevScan = oldScannerInfo.prevScan;
}
log.Debug("Setting default program attributes for scanner serial=" + scanner.Info.SerialNumber);
//log.Debug("Setting prefix=" + asciiPrefix + " for scanner serial=" + scanner.Info.SerialNumber);
Console.WriteLine("Setting default program attributes for scanner serial=" + scanner.Info.SerialNumber);
//Console.WriteLine("Setting prefix=" + asciiPrefix + " for scanner serial=" + scanner.Info.SerialNumber);
//asciiPrefix++;
}
}
// assumes that only 1 scanner disconnected.
oldScannerInfo = null;
}