ElectricalDriver.h revision 10448:bc1a3b7ab5ef
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#ifndef __DSENT_MODEL_ELECTRICAL_DRIVER_H__ 23#define __DSENT_MODEL_ELECTRICAL_DRIVER_H__ 24 25#include "util/CommonType.h" 26#include "model/timing_graph/ElectricalTimingNode.h" 27 28namespace DSENT 29{ 30 class ElectricalModel; 31 32 class ElectricalDriver : public ElectricalTimingNode 33 { 34 public: 35 ElectricalDriver(const String& instance_name_, ElectricalModel* model_, bool sizable_); 36 virtual ~ElectricalDriver(); 37 38 public: 39 // Set the output resistance of this driver 40 void setOutputRes(double output_res_); 41 // Get the output resistance of this driver 42 double getOutputRes() const; 43 // Calculate delay due to total load capacitance 44 double calculateDelay() const; 45 // Calculate transition 46 double calculateTransition() const; 47 // get maximum of upstream drive resistance 48 double getMaxUpstreamRes() const; 49 50 // Get whether the driver is sizable 51 bool isSizable() const; 52 // Return true if the instance has minimum driving strength 53 bool hasMinDrivingStrength() const; 54 // Return true if the instance has maximum driving strength 55 bool hasMaxDrivingStrength() const; 56 // Increase driving strength index by 1 57 void increaseDrivingStrength(); 58 // Decrease driving strength index by 1 59 void decreaseDrivingStrength(); 60 61 bool isDriver() const; 62 63 private: 64 // Disable copy constructor 65 ElectricalDriver(const ElectricalDriver& port_); 66 67 private: 68 // Name of this instance 69 String m_instance_name_; 70 // Output resistance 71 double m_output_res_; 72 // Sizable flag 73 bool m_sizable_; 74 }; 75} // namespace DSENT 76 77#endif // __DSENT_MODEL_ELECTRICAL_DRIVER_H__ 78 79