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fixes a SevenSeg shape update issue; closes #729

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hneemann 2021-04-30 08:40:22 +02:00
parent 02597a515c
commit 28ad59a820
1 changed files with 74 additions and 26 deletions
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100
src/main/java/de/neemann/digital/draw/shapes/SevenSegShape.java
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@ -5,8 +5,9 @@
*/
package de.neemann.digital.draw.shapes;
import de.neemann.digital.core.ObservableValue;
import de.neemann.digital.core.ObservableValues;
import de.neemann.digital.core.Value;
import de.neemann.digital.core.Observer;
import de.neemann.digital.core.element.ElementAttributes;
import de.neemann.digital.core.element.Keys;
import de.neemann.digital.core.element.PinDescriptions;
@ -28,11 +29,9 @@ public class SevenSegShape extends SevenShape {
private final PinDescriptions inputPins;
private final boolean commonConnection;
private final boolean persistence;
private final boolean[] data;
private final boolean anode;
private ObservableValues inputValues;
private Value[] inputs = new Value[8];
private Value ccin;
private LEDState[] ledStates;
private final boolean[] displayStates;
private Pins pins;
/**
@ -48,7 +47,7 @@ public class SevenSegShape extends SevenShape {
commonConnection = attr.get(Keys.COMMON_CONNECTION);
anode = attr.get(Keys.COMMON_CONNECTION_TYPE).equals(CommonConnectionType.anode);
persistence = attr.get(Keys.LED_PERSISTENCE);
data = new boolean[8];
displayStates = new boolean[8];
}
@Override
@ -71,10 +70,24 @@ public class SevenSegShape extends SevenShape {
@Override
public Interactor applyStateMonitor(IOState ioState) {
inputValues = ioState.getInputs();
ledStates = new LEDState[8];
for (int i = 0; i < 8; i++)
ledStates[i] = createLEDState(i, ioState.getInputs());
return null;
}
private LEDState createLEDState(int i, ObservableValues inputs) {
if (commonConnection) {
if (persistence)
return new CommonConnectionPersist(inputs.get(i), inputs.get(8));
else
return new CommonConnection(inputs.get(i), inputs.get(8));
} else {
ObservableValue in = inputs.get(i);
return () -> !in.isHighZ() && in.getBool();
}
}
@Override
public void drawTo(Graphic graphic, Style highLight) {
super.drawTo(graphic, highLight);
@ -86,31 +99,66 @@ public class SevenSegShape extends SevenShape {
@Override
public void readObservableValues() {
if (inputValues != null) {
if (ledStates != null)
for (int i = 0; i < 8; i++)
inputs[i] = inputValues.get(i).getCopy();
if (commonConnection)
ccin = inputValues.get(8).getCopy();
}
displayStates[i] = ledStates[i].getState();
}
@Override
protected boolean getStyle(int i) {
if (inputValues == null)
if (ledStates == null)
return true;
if (commonConnection) {
boolean isHighZ = inputs[i].isHighZ() || ccin.isHighZ();
boolean on = (inputs[i].getBool() != ccin.getBool()) && (inputs[i].getBool() ^ anode);
if (persistence) {
if (!isHighZ)
data[i] = on;
return data[i];
} else
return !isHighZ && on;
} else
return !inputs[i].isHighZ() && inputs[i].getBool();
else
return displayStates[i];
}
interface LEDState {
boolean getState();
}
//CHECKSTYLE.OFF: FinalClass
private class CommonConnection implements LEDState {
private final ObservableValue led;
private final ObservableValue cc;
private CommonConnection(ObservableValue led, ObservableValue cc) {
this.led = led;
this.cc = cc;
}
protected boolean isOn() {
return (led.getBool() != cc.getBool()) && (led.getBool() ^ anode);
}
protected boolean isHighZ() {
return led.isHighZ() || cc.isHighZ();
}
@Override
public boolean getState() {
return !isHighZ() && isOn();
}
}
//CHECKSTYLE.ON: FinalClass
private final class CommonConnectionPersist extends CommonConnection implements Observer {
private boolean led;
private CommonConnectionPersist(ObservableValue led, ObservableValue cc) {
super(led, cc);
led.addObserver(this);
cc.addObserver(this);
}
@Override
public void hasChanged() {
if (!isHighZ())
led = isOn();
}
@Override
public boolean getState() {
return led;
}
}
}