mirror of https://github.com/contiki-ng/mspsim
82 lines
2.8 KiB
Java
82 lines
2.8 KiB
Java
/**
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* Copyright (c) 2012, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of MSPSim.
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*
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*/
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package se.sics.mspsim.chip;
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import se.sics.mspsim.core.Chip;
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import se.sics.mspsim.core.IOPort;
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import se.sics.mspsim.core.MSP430Core;
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/**
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* @author Niclas Finne
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*
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*/
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public class Button extends Chip {
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private final IOPort port;
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private final int pin;
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private final boolean polarity;
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private boolean isPressed;
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public Button(String id, MSP430Core cpu, IOPort port, int pin, boolean polarity) {
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super(id, cpu);
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this.port = port;
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this.pin = pin;
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this.polarity = polarity;
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}
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public boolean isPressed() {
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return isPressed;
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}
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public void setPressed(boolean isPressed) {
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if (this.isPressed != isPressed) {
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this.isPressed = isPressed;
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stateChanged(isPressed ? 1 : 0);
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if (DEBUG) log(isPressed ? "pressed" : "released");
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port.setPinState(pin, isPressed == polarity ? IOPort.PinState.HI : IOPort.PinState.LOW);
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}
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}
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@Override
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public int getConfiguration(int parameter) {
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return 0;
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}
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@Override
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public int getModeMax() {
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return 0;
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}
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@Override
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public String info() {
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return " Button is " + (isPressed ? "pressed" : "not pressed");
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}
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}
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