Retry lấy số tiền trong két

Hiển thị giao dịch trong log

AppData.cs

@@ -12,6 +12,7 @@ using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.ServiceProcess;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -267,9 +268,17 @@ namespace SafeBagDE70
         }
         public static  byte[] GetCassetteData()
         {
-            cCmdRsp.SendXXCmd((byte)Command.CMD_DE_READ_CASSETTE);
+            for(int i = 0; i < 2; i++)//Retry if failed
+            {
+                cCmdRsp.SendXXCmd((byte)Command.CMD_DE_READ_CASSETTE);
+                if (cCmdRsp.recv_dat.dat[0] != 0x40)
+                {
+                    Thread.Sleep(1000);
+                }
+                else
+                    break;
+            }
             var data = cCmdRsp.recv_dat.dat;
-
             StringBuilder str = new StringBuilder();
             var recv_dat = cCmdRsp.recv_dat;
 
@@ -477,7 +486,7 @@ namespace SafeBagDE70
                 Log.Error("GetandExecuteCommands error: "+str);
             }
         }
-        static string deviceStatusFileName = "device_status.txt";
+        static string deviceStatusFileName = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),"device_status.txt");
         public static void GetDeviceStatusFromFile()
         {
             try