Ensure that QA350 cannot flash a QA351

Signed-off-by: QuantAsylum <git@quantasylum.com>

Author: QuantAsylum

Application/QA350/QA350/Constants.cs

@@ -12,7 +12,7 @@ class Constants
         static public string CalibrationFile = DataFilePath + "CalibrationData.xml";
         static public string SettingsFile = DataFilePath + "QA350Settings.xml";
 
-        static public double Version = 1.771;
+        static public double Version = 1.772;
 
         static public Int32 RequiredFwVersion = 12;
     }

Application/QA350/QA350/Form1.cs

@@ -300,8 +300,15 @@ private void TryConnect()
             // Attempt to connect to the device upon app startup
             if (Hardware.Open())
             {
+                Int32 productId = Hardware.GetProductId();
+                if (productId != 12345678)
+                {
+                    MessageBox.Show("Unrecognized product.");
+                    Hardware.Close();
+                    return;
+                }
+
                 Int32 fwVersion = Hardware.GetFirmwareVersion();
-                 
                 if (fwVersion != Constants.RequiredFwVersion)
                 {
                     BadFirmwareVersion = true;

Application/QA350/QA350/Hardware.cs

@@ -141,6 +141,11 @@ static public int GetFirmwareVersion()
             return SendRecv(0xFE);
         }
 
+        static public int GetProductId()
+        {
+            return SendRecv(0xFD);
+        }
+
         static public int GetMspTemp()
         {
             return SendRecv(51);