--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Serial.h	Thu Nov 27 18:40:28 2025 +0100
@@ -0,0 +1,99 @@
+//////////////////////////////////////////////////////////////////////////////
+/// \file   Serial.h
+/// \brief  RS232 serial i/o.
+/// \author JD Gascuel.
+///
+/// \copyright (c) 2011-2016 JD Gascuel. All rights reserved.
+/// $Id$
+//////////////////////////////////////////////////////////////////////////////
+//
+// BSD 2-Clause License:
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+//    this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+//
+//////////////////////////////////////////////////////////////////////////////
+// HISTORY
+//  2012-09-22 : [jDG] Split from Frog.cpp to OSTC_Planner.cpp
+//  2013-03-17 : [jDG] Adapted from OSTC Planner to OSTC Companion.
+//  2014-07-07 : [jDG] Cleanups for Subsurface google-summer-of-code.
+//  2014-07-25 : [jDG] BSD 2-clause license.
+
+#ifndef SERIAL_H
+#define SERIAL_H
+
+class QString;
+
+#include <QtGlobal>         // Q_OS_WIN
+
+#ifdef Q_OS_WIN
+#ifndef NOMINMAX
+#   define NOMINMAX
+#endif
+//#   define  NOMINMAX
+#   include <windows.h>
+#   define  S_HANDLE                HANDLE
+#   undef NOMINMAX
+#else
+#   define  S_HANDLE                int
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// \brief RS232 serial i/o
+class  Serial
+{
+    S_HANDLE    _hSerial;
+    bool        _isOpen;
+
+public:
+    inline Serial()
+        : _hSerial(0),
+          _isOpen(false)
+    {}
+
+    virtual ~Serial();
+
+    virtual void open(const QString &port, const QString& type);
+    virtual void close();
+
+    virtual void writeByte(unsigned char byte) const;
+    virtual unsigned char readByte() const;
+
+    virtual void writeBlock(const unsigned char* ptr, unsigned int size) const;
+    virtual unsigned int readBlock(unsigned char* ptr, unsigned int size) const;
+
+    virtual void purge();
+    virtual void flush() const;
+
+    void writeShort(unsigned short word) const;
+    unsigned short readShort() const;
+
+    void writeInt24(unsigned int int24) const;
+    unsigned int readInt24() const;
+
+    void sleep(int msec) const;
+
+    inline bool isOpen() const { return _isOpen; }
+};
+
+#endif // SERIAL_H