/*
Copyright (C) Paul Falstad and Iain Sharp
This file is part of CircuitJS1.
CircuitJS1 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.
CircuitJS1 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with CircuitJS1. If not, see <http://www.gnu.org/licenses/>.
*/
package com.lushprojects.circuitjs1.client;
//import java.awt.*;
//import java.util.StringTokenizer;
class PhaseCompElm extends ChipElm {
public PhaseCompElm(int xx, int yy) { super(xx, yy); }
public PhaseCompElm(int xa, int ya, int xb, int yb, int f,
StringTokenizer st) {
super(xa, ya, xb, yb, f, st);
}
String getChipName() { return "phase comparator"; }
void setupPins() {
sizeX = 2;
sizeY = 2;
pins = new Pin[3];
pins[0] = new Pin(0, SIDE_W, "I1");
pins[1] = new Pin(1, SIDE_W, "I2");
pins[2] = new Pin(0, SIDE_E, "O");
pins[2].output = true;
}
boolean nonLinear() { return true; }
void stamp() {
int vn = sim.nodeList.size()+pins[2].voltSource;
sim.stampNonLinear(vn);
sim.stampNonLinear(0);
sim.stampNonLinear(nodes[2]);
}
boolean ff1, ff2;
void doStep() {
boolean v1 = volts[0] > 2.5;
boolean v2 = volts[1] > 2.5;
if (v1 && !pins[0].value)
ff1 = true;
if (v2 && !pins[1].value)
ff2 = true;
if (ff1 && ff2)
ff1 = ff2 = false;
double out = (ff1) ? 5 : (ff2) ? 0 : -1;
//System.out.println(out + " " + v1 + " " + v2);
if (out != -1)
sim.stampVoltageSource(0, nodes[2], pins[2].voltSource, out);
else {
// tie current through output pin to 0
int vn = sim.nodeList.size()+pins[2].voltSource;
sim.stampMatrix(vn, vn, 1);
}
pins[0].value = v1;
pins[1].value = v2;
}
int getPostCount() { return 3; }
int getVoltageSourceCount() { return 1; }
int getDumpType() { return 161; }
}