Changeset 10939 in ntrip for trunk/BNC

Timestamp:

Jun 19, 2026, 10:49:14 AM (3 days ago)

Author:

stuerze

Message:

bug fix to open com ports with higher numbers, e.g. COM11 or COM17

File:

• trunk/BNC/src/serial/win_qextserialport.cpp (modified) (1 diff)

trunk/BNC/src/serial/win_qextserialport.cpp

@@ -151 +151 @@
     if (!isOpen()) {
         /*open the port*/
-        Win_Handle=CreateFileA(port.toLatin1(), GENERIC_READ|GENERIC_WRITE,
+        /* the \\.\ prefix is required for COM10 and above, see Microsoft KB115831 */
+        QString devName = "\\\\.\\" + port;
+        Win_Handle=CreateFileA(devName.toLatin1(), GENERIC_READ|GENERIC_WRITE,
                               FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
         if (Win_Handle!=INVALID_HANDLE_VALUE) {