/*
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 DACElm extends ChipElm {
public DACElm(int xx, int yy) { super(xx, yy); }
public DACElm(int xa, int ya, int xb, int yb, int f,
StringTokenizer st) {
super(xa, ya, xb, yb, f, st);
}
String getChipName() { return "DAC"; }
boolean needsBits() { return true; }
void setupPins() {
sizeX = 2;
sizeY = bits > 2 ? bits : 2;
pins = new Pin[getPostCount()];
int i;
for (i = 0; i != bits; i++)
pins[i] = new Pin(bits-1-i, SIDE_W, "D" + i);
pins[bits] = new Pin(0, SIDE_E, "O");
pins[bits].output = true;
pins[bits+1] = new Pin(sizeY-1, SIDE_E, "V+");
allocNodes();
}
void doStep() {
int ival = 0;
int i;
for (i = 0; i != bits; i++)
if (volts[i] > 2.5)
ival |= 1<<i;
int ivalmax = (1<<bits)-1;
double v = ival*volts[bits+1]/ivalmax;
sim.updateVoltageSource(0, nodes[bits], pins[bits].voltSource, v);
}
int getVoltageSourceCount() { return 1; }
int getPostCount() { return bits+2; }
int getDumpType() { return 166; }
}