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Diffstat (limited to 'src/electronics/simulation/currentsignal.cpp')
-rw-r--r-- | src/electronics/simulation/currentsignal.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/electronics/simulation/currentsignal.cpp b/src/electronics/simulation/currentsignal.cpp new file mode 100644 index 0000000..5e5388d --- /dev/null +++ b/src/electronics/simulation/currentsignal.cpp @@ -0,0 +1,67 @@ +/*************************************************************************** + * Copyright (C) 2003-2004 by David Saxton * + * david@bluehaze.org * + * * + * 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 "currentsignal.h" +#include "element.h" +#include "matrix.h" + +CurrentSignal::CurrentSignal( const double delta, const double current ) + : Reactive::Reactive(delta) +{ + m_current = current; + m_oldCurrent = m_newCurrent = 0.; + m_numCNodes = 2; +} + +CurrentSignal::~CurrentSignal() +{ +} + +void CurrentSignal::setCurrent( const double i ) +{ + if ( m_oldCurrent != m_newCurrent ) add_initial_dc(); + m_newCurrent *= i/m_current; // Instead of calling step again, we can just "adjust" what the current should be + m_current = i; + add_initial_dc(); +} + + +void CurrentSignal::add_map() +{ + // We don't need a map for current signal :-) +} + + +void CurrentSignal::add_initial_dc() +{ + if ( !b_status ) + return; + + if ( m_newCurrent == m_oldCurrent ) + return; + + b_i( 0 ) -= m_newCurrent-m_oldCurrent; + b_i( 1 ) += m_newCurrent-m_oldCurrent; + + m_oldCurrent = m_newCurrent; +} + +void CurrentSignal::updateCurrents() +{ + m_cnodeI[1] = m_newCurrent; + m_cnodeI[0] = -m_newCurrent; +} + +void CurrentSignal::time_step() +{ + add_initial_dc(); // Make sure our old and new are synced + m_newCurrent = m_current*advance(); + add_initial_dc(); +} |