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-rw-r--r--src/electronics/pin.cpp175
1 files changed, 175 insertions, 0 deletions
diff --git a/src/electronics/pin.cpp b/src/electronics/pin.cpp
new file mode 100644
index 0000000..56848fc
--- /dev/null
+++ b/src/electronics/pin.cpp
@@ -0,0 +1,175 @@
+/***************************************************************************
+ * Copyright (C) 2005 by David Saxton *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ ***************************************************************************/
+
+#include "pin.h"
+
+#include <assert.h>
+#include <kdebug.h>
+
+Pin::Pin( ECNode * parent )
+{
+ assert(parent);
+ m_pECNode = parent;
+ m_voltage = 0.;
+ m_current = 0.;
+ m_eqId = -2;
+ m_bCurrentIsKnown = false;
+ m_groundType = Pin::gt_never;
+}
+
+
+Pin::~Pin()
+{
+ WireList::iterator end = m_inputWireList.end();
+ for ( WireList::iterator it = m_inputWireList.begin(); it != end; ++it )
+ delete *it;
+
+ end = m_outputWireList.end();
+ for ( WireList::iterator it = m_outputWireList.begin(); it != end; ++it )
+ delete *it;
+}
+
+
+PinList Pin::localConnectedPins( ) const
+{
+// kdDebug() << k_funcinfo << "Input wires: "<<m_inputWireList.size()<<" Output wires: " << m_outputWireList.size() << " Switch connected: " << m_switchConnectedPins.size() << endl;
+
+ PinList pins;
+
+ WireList::const_iterator end = m_inputWireList.end();
+ for ( WireList::const_iterator it = m_inputWireList.begin(); it != end; ++it )
+ {
+ if (*it)
+ pins << (*it)->startPin();
+ }
+
+ end = m_outputWireList.end();
+ for ( WireList::const_iterator it = m_outputWireList.begin(); it != end; ++it )
+ {
+ if (*it)
+ pins << (*it)->endPin();
+ }
+
+ pins += m_switchConnectedPins;
+
+ return pins;
+}
+
+
+void Pin::setSwitchConnected( Pin * pin, bool isConnected )
+{
+ if (!pin)
+ return;
+
+ if (isConnected)
+ {
+ if ( !m_switchConnectedPins.contains(pin) )
+ m_switchConnectedPins.append(pin);
+ }
+ else
+ m_switchConnectedPins.remove(pin);
+}
+
+
+void Pin::addCircuitDependentPin( Pin * pin )
+{
+ if ( pin && !m_circuitDependentPins.contains(pin) )
+ m_circuitDependentPins.append(pin);
+}
+
+
+void Pin::addGroundDependentPin( Pin * pin )
+{
+ if ( pin && !m_groundDependentPins.contains(pin) )
+ m_groundDependentPins.append(pin);
+}
+
+
+void Pin::removeDependentPins()
+{
+ m_circuitDependentPins.clear();
+ m_groundDependentPins.clear();
+}
+
+
+void Pin::addElement( Element * e )
+{
+ if ( !e || m_elementList.contains(e) )
+ return;
+ m_elementList.append(e);
+}
+
+
+void Pin::removeElement( Element * e )
+{
+ m_elementList.remove(e);
+}
+
+
+void Pin::addSwitch( Switch * sw )
+{
+ if ( !sw || m_switchList.contains( sw ) )
+ return;
+ m_switchList << sw;
+}
+
+
+void Pin::removeSwitch( Switch * sw )
+{
+ m_switchList.remove( sw );
+}
+
+
+void Pin::addInputWire( Wire * wire )
+{
+ if ( wire && !m_inputWireList.contains(wire) )
+ m_inputWireList << wire;
+}
+
+
+void Pin::addOutputWire( Wire * wire )
+{
+ if ( wire && !m_outputWireList.contains(wire) )
+ m_outputWireList << wire;
+}
+
+
+bool Pin::calculateCurrentFromWires()
+{
+ m_inputWireList.remove( (Wire*)0l );
+ m_outputWireList.remove( (Wire*)0l );
+
+ const WireList inputs = m_inputWireList;
+ const WireList outputs = m_outputWireList;
+
+ m_current = 0.0;
+
+ WireList::const_iterator end = inputs.end();
+ for ( WireList::const_iterator it = inputs.begin(); it != end; ++it )
+ {
+ if ( !(*it)->currentIsKnown() )
+ return false;
+
+ m_current -= (*it)->current();
+ }
+
+ end = outputs.end();
+ for ( WireList::const_iterator it = outputs.begin(); it != end; ++it )
+ {
+ if ( !(*it)->currentIsKnown() )
+ return false;
+
+ m_current += (*it)->current();
+ }
+
+ m_bCurrentIsKnown = true;
+ return true;
+}
+