1 files changed, 107 insertions, 0 deletions
diff --git a/kstars/kstars/indi/webcam/PPort.cpp b/kstars/kstars/indi/webcam/PPort.cpp
new file mode 100644
index 00000000..b222a6f6
--- /dev/null
+++ b/kstars/kstars/indi/webcam/PPort.cpp
@@ -0,0 +1,107 @@
+/*
+    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
+
+*/
+
+#include "PPort.h"
+#include "port.h"
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <iostream>
+
+using namespace std;
+
+#define TEST_VALIDITY {if (this==NULL) return false;}
+
+PPort::PPort() {
+   reset();
+}
+
+PPort::PPort(int ioPort) {
+   reset();
+   setPort(ioPort);
+}
+
+void PPort::reset() {
+   bitArray=0;
+   for (int i=0;i<8;++i) {
+      assignedBit[i]=NULL;
+   }
+   currentPort=NULL;
+}
+
+bool PPort::setPort(int ioPort) {
+   TEST_VALIDITY;
+   if (geteuid() != 0) {
+      cerr << "must be setuid root control parallel port"<<endl;
+      return false;
+   }
+   if (currentPort) {
+      delete currentPort;
+   }
+   reset();
+   currentPort=new port_t(ioPort);
+   return commit();
+}
+
+bool PPort::commit() {
+   TEST_VALIDITY;
+   if (currentPort) {
+      currentPort->write_data(bitArray);
+      return true;
+   } else {
+      return false;
+   }
+}
+
+bool  PPort::setBit(const void * ID,int bit,bool stat) {
+   TEST_VALIDITY;
+   if (ID != assignedBit[bit]) {
+      return false;
+   }
+
+   if (stat) {
+      bitArray |= (1<<bit);
+   } else {
+      bitArray &= ~(1<<bit);
+   }
+   return true;
+}
+
+bool PPort::registerBit(const void * ID,int bit) {
+   TEST_VALIDITY;
+   if (assignedBit[bit] || currentPort==NULL) {
+      return false;
+   }
+   assignedBit[bit]=ID;
+   return true;
+}
+
+bool PPort::unregisterBit(const void * ID,int bit) {
+   TEST_VALIDITY;
+   if (assignedBit[bit] != ID) {
+      return false;
+   }
+   assignedBit[bit]=NULL;
+   return true;
+}
+
+bool PPort::isRegisterBit(const void * ID,int bit) const {
+   TEST_VALIDITY;
+   return (assignedBit[bit] == ID);
+}