public retCode getTagAndWeight(int timeoutScale, out string tagUID, out double scaleWeight)
{
tagUID = null;
scaleWeight = 0.0;
ret = retCode.RC_Unknown;
if (device == null)
{
ret = retCode.RC_RFID_Not_Connected;
}
else if (scale == null)
{
ret = retCode.RC_Scale_Not_Connected;
}
else if (!isRfidConnected)
{
ret = retCode.RC_RFID_Not_Connected;
}
else if (!isScaleConnected)
{
ret = retCode.RC_Scale_Not_Connected;
}
else
{
device.ScanDevice();
eventEndRFID.WaitOne();
if (device.currentInventory.nbTagAll == 0)
{
ret = retCode.RC_No_Tag_Detected;
}
else if (device.currentInventory.nbTagAll > 1)
{
ret = retCode.RC_Too_Many_Tags_Detected;
}
else if (device.currentInventory.nbTagAll == 1)
{
tagUID = device.currentInventory.listTagAll[0].ToString();
eventEndScale.Reset();
scale.getWeight();
if (eventEndScale.WaitOne(timeoutScale))
{
if (scale.LastScaledWeight != null)
{
scaleWeight = scale.LastScaledWeight.WeightValue;
ret = retCode.RC_succeed;
}
else
{
ret = retCode.RC_Unknown;
}
}
else
{
ret = retCode.RC_Scale_Not_Stabilized;
}
}
}
return(ret);
}
public static bool StartScan(RFID_Device localDevice, bool bUnlockAll)
{
if (localDevice == null)
{
return(false);
}
if ((localDevice.ConnectionStatus == ConnectionStatus.CS_Connected) &&
(localDevice.DeviceStatus == DeviceStatus.DS_Ready))
{
localDevice.ScanDevice(true, bUnlockAll);
return(true);
}
return(false);
}
private void ScanDevice()
{
if (_device == null)
{
return;
}
if ((_device.ConnectionStatus == ConnectionStatus.CS_Connected) &&
(_device.DeviceStatus == DeviceStatus.DS_Ready))
{
//Request a scan
//Scan status will be notified by event
_device.ScanDevice();
}
else
{
MessageBox.Show(ResStrings.StrDeviceNotReadyOrNotConnected, ResStrings.BoxModeCreateUpdate_button1_Click_Box_Mode_Info, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
// button Scan
private void buttonScan_Click(object sender, EventArgs e)
{
if (device == null)
{
return;
}
if ((device.ConnectionStatus == ConnectionStatus.CS_Connected) &&
(device.DeviceStatus == DeviceStatus.DS_Ready))
{
//Request a scan
//Scan status will be notified by event
device.ScanDevice();
}
else
{
MessageBox.Show("Device not ready or not connected");
}
}
private void ScanDevice()
{
if (_currentEthernetDevice != null) // ethernet device : scan request, polling, tag blocks writing (if enabled by user)
{
TcpIpClient tcpClient = new TcpIpClient();
string status;
if (tcpClient.getStatus(_currentEthernetDevice.IP_Server, _currentEthernetDevice.Port_Server,
_currentEthernetDevice.SerialRFID, out status) != TcpIpClient.RetCode.RC_Succeed)
{
MessageBox.Show(ResStrings.strErrorDevice, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
DeviceStatus currentStatus = (DeviceStatus)Enum.Parse(typeof(DeviceStatus), status);
if (currentStatus != DeviceStatus.DS_Ready)
{
MessageBox.Show(ResStrings.strDeviceEthernet_device_is_not_ready, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
InventoryData lastInventoryData;
do // loop while we don't get a successful scan with ONE tag scanned
{
if (tcpClient.requestScan(_currentEthernetDevice.IP_Server, _currentEthernetDevice.Port_Server,
_currentEthernetDevice.SerialRFID) != TcpIpClient.RetCode.RC_Succeed) // scan starting has failed
{
MessageBox.Show(ResStrings.strdevice_Unable_to_start_scan);
return;
}
int tryIteration = 0;
do // loop while scan is not over (or if time limit excedeed [see Thread Sleep])
{
if (tryIteration > 4)
{
MessageBox.Show(ResStrings.strDevice_Scan_unexpectedly_long__please_retry, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
++tryIteration;
Thread.Sleep(600);
if (tcpClient.getStatus(_currentEthernetDevice.IP_Server, _currentEthernetDevice.Port_Server,
_currentEthernetDevice.SerialRFID, out status) != TcpIpClient.RetCode.RC_Succeed)
{
MessageBox.Show(ResStrings.strErrorDevice, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
currentStatus = (DeviceStatus)Enum.Parse(typeof(DeviceStatus), status);
} while (currentStatus == DeviceStatus.DS_InScan);
// scan terminated, now check if correct number of tag scanned (one)
if (tcpClient.requestGetLastScan(_currentEthernetDevice.IP_Server,
_currentEthernetDevice.Port_Server,
_currentEthernetDevice.SerialRFID, out lastInventoryData) != TcpIpClient.RetCode.RC_Succeed) // failed to get last inventorydata
{
MessageBox.Show(ResStrings.strDevice_Unable_to_get_last_scan_result, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (lastInventoryData == null) // failed to get last inventorydata
{
MessageBox.Show(ResStrings.strDevice_Unable_to_get_last_scan_result, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
} while (lastInventoryData.nbTagAll != 1);
// we now have completed a scan with ONE tag
string tagUid = lastInventoryData.listTagAll[0].ToString().Trim();
toolStripStatusLabelInfo.Text = ResStrings.strScan_Completed_Tag_Scanned + tagUid;
Invoke((MethodInvoker) delegate { textBoxTagID.Text = tagUid; });
if (cbxAutoWrite.Checked)
{
if (WriteLotId(tagUid, textBoxLotID.Text.Trim()))
{
Invoke((MethodInvoker) delegate { textBoxTagID.Text = textBoxLotID.Text; });
Invoke((MethodInvoker)ProcessTag);
}
else
{
Invoke((MethodInvoker) delegate { toolStripStatusLabelInfo.Text = ResStrings.ErrorWriting_new_tag_UID_failed; });
}
}
else
{
Invoke((MethodInvoker)ProcessTag);
}
}
else // (USB) local reader scan : requests a scan and everything is processed in RFID events
{
if (_device == null)
{
return;
}
if ((_device.ConnectionStatus == ConnectionStatus.CS_Connected) &&
(_device.DeviceStatus == DeviceStatus.DS_Ready))
{
_device.ScanDevice();
}
else
{
MessageBox.Show(ResStrings.StrDeviceNotReadyOrNotConnected, ResStrings.strInfo, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}