Fixed disconnecting RFID reader

br-automation-com · Oct 28, 2019 · 847d39e · 847d39e
1 parent 58f14b8
commit 847d39e
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Showing 2 changed files with 26 additions and 5 deletions.
diff --git a/5E9010.29/BR_RFID/BR_RFID/BR_RFID.cs b/5E9010.29/BR_RFID/BR_RFID/BR_RFID.cs
@@ -31,6 +31,7 @@ public class BR_RFID
         public const byte excReaderNotFound = 1;
         public const byte excResponseTimeout = 2;
         public const byte excResponseSize = 3;
+        public const byte excDisconnected = 4;
 
         // ------------------------------------------------------------------------
         /// <summary>Response data event. This event is called when new data arrives</summary>
@@ -246,7 +247,20 @@ void serRFID_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEvent
         internal void RefreshTimer_Elapsed(object state)
         {
             Debug.WriteLine(DateTime.Now + " " + DateTime.Now.Millisecond + " Read timer");
-            if ((_data_ser == "") && (serRFID != null) && (serRFID.IsOpen))
+            if(!serRFID.IsOpen)
+            {
+                _connected = false;
+                try
+                {
+                    disconnect();
+                }
+                catch (Exception ex)
+                {
+                }
+                if (OnException != null) OnException(excDisconnected);
+                return;
+            }
+            if ((_data_ser == "") && (serRFID != null))
             {
                 try
                 {

diff --git a/5E9010.29/RFID_USB/RFID_USB/frmRFID.cs b/5E9010.29/RFID_USB/RFID_USB/frmRFID.cs
@@ -77,11 +77,14 @@ private void btnConnect_Click(object sender, EventArgs e)
                 RFID_USB.OnResponseData += new BR_RFID.ResponseData(RFID_USB_OnResponseData);
                 RFID_USB.connect();
 
-                if (RFID_USB.port != -1) txtOutput.AppendText(DateTime.Now.TimeOfDay + " RFID receiver found on port " + RFID_USB.port + "\r\n");
-                if (chkSendBallon.Checked)
+                if (RFID_USB.port != -1)
                 {
-                    trayIcon.BalloonTipText = " RFID receiver found on port " + RFID_USB.port;
-                    trayIcon.ShowBalloonTip(3);
+                    txtOutput.AppendText(DateTime.Now.TimeOfDay + " RFID receiver found on port " + RFID_USB.port + "\r\n");
+                    if (chkSendBallon.Checked)
+                    {
+                        trayIcon.BalloonTipText = " RFID receiver found on port " + RFID_USB.port;
+                        trayIcon.ShowBalloonTip(3);
+                    }
                 }
             }
             catch (Exception ex)
@@ -121,6 +124,10 @@ void RFID_USB_OnException(byte exception)
                         trayIcon.ShowBalloonTip(3);
                     }
                     break;
+                case BR_RFID.excDisconnected:
+                    MessageBox.Show("RFID reader disconnected!", "B&R RFID Reader", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    btnConnect.Enabled = true;
+                    break;
             }
         }