ext/dsent/model/timing_graph/ElectricalDelay.cc

   1 /* Copyright (c) 2012 Massachusetts Institute of Technology
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  */
  21
  22
  23 #include "model/timing_graph/ElectricalDelay.h"
  24 #include "model/timing_graph/ElectricalLoad.h"
  25
  26 namespace DSENT
  27 {
  28     //-------------------------------------------------------------------------
  29     // Electrical Delay
  30     //-------------------------------------------------------------------------
  31
  32     ElectricalDelay::ElectricalDelay(const String& instance_name_, ElectricalModel* model_)
  33         : ElectricalTimingNode(instance_name_, model_), m_delay_(0.0)
  34     {
  35
  36     }
  37
  38     ElectricalDelay::~ElectricalDelay()
  39     {
  40
  41     }
  42
  43     void ElectricalDelay::setDelay(double delay_)
  44     {
  45         m_delay_ = delay_;
  46         return;
  47     }
  48
  49     double ElectricalDelay::getDelay() const
  50     {
  51         return m_delay_;
  52     }
  53
  54     double ElectricalDelay::calculateDelay() const
  55     {
  56         return m_delay_;
  57     }
  58
  59     double ElectricalDelay::calculateTransition() const
  60     {
  61         return 1.386 * getMaxUpstreamRes() * getTotalDownstreamCap();
  62     }
  63
  64     double ElectricalDelay::getMaxUpstreamRes() const
  65     {
  66         return ElectricalTimingNode::getMaxUpstreamRes();
  67     }
  68
  69     double ElectricalDelay::getTotalDownstreamCap() const
  70     {
  71         return ElectricalTimingNode::getTotalDownstreamCap();
  72     }
  73
  74 } // namespace DSENT
  75
  76