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diff --git a/kstars/kstars/indi/webcam/PPort.h b/kstars/kstars/indi/webcam/PPort.h
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+++ b/kstars/kstars/indi/webcam/PPort.h
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+/*
+    Copyright (C) 2004 by Jasem Mutlaq
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef _PPort_hpp_
+#define _PPort_hpp_
+
+class port_t;
+
+/** To access and share the parallel port
+    between severa objects. */
+class PPort {
+public:
+   PPort();
+   PPort(int ioPort);
+   /** set the ioport associated to the // port.
+       \return true if the binding was possible
+   */
+   bool setPort(int ioPort);
+   /** set a data bit of the // port.
+       \return false if IO port not set, or bit not registered by ID.
+       \param ID the identifier used to register the bit
+       \param stat the stat wanted for the given bit
+       \param bit the bit to set. They are numbered from 0 to 7.
+
+   */
+   bool setBit(const void * ID,int bit,bool stat);
+   /** register a bit for object ID.
+       \param ID the identifier used to register the bit it should be the 'this' pointer.
+       \param bit the bit of the // port to register
+       \return false if the bit is allready register with an
+               other ID, or if the // port is not initialised.
+   */
+   bool registerBit(const void * ID,int bit);
+   /** release a bit.
+       \param ID the identifier used to register the bit
+       \param bit the bit to register.
+       \return false if the bit was not registered by ID or
+               if the if the // port is not initialised.
+   */
+   bool unregisterBit(const void * ID,int bit);
+
+   /** test if a bit is registerd.
+       \param ID the identifier used to register the bit
+       \param bit the bit to test.
+       \return false if the bit was not registered by ID or
+               if the if the // port is not initialised.
+   */
+   bool isRegisterBit(const void * ID,int bit) const;
+   
+   /** set the bits off the // port according to previous call to setBit().
+    */
+   bool commit();
+private:
+   void reset();
+   unsigned char bitArray;
+   const void * assignedBit[8];
+   port_t * currentPort;
+};
+#endif