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ZTEX |
/*!
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Java Driver API for the ZTEX Firmware Kit
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Copyright (C) 2008-2009 ZTEX e.K.
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http://www.ztex.de
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 3 as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see http://www.gnu.org/licenses/.
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!*/
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/*
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Scan bus for devices with ZTEX descriptor 1 and/or Cypress EZ-USB FX2 devices
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*/
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package ztex;
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import java.io.*;
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import java.util.*;
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import ch.ntb.usb.*;
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public class ZtexScanBus1 {
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private Vector<ZtexDevice1> devices = new Vector<ZtexDevice1>();
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// ******* ZtexScanBus1 ********************************************************
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public ZtexScanBus1 (int usbVendorId, int usbProductId, boolean scanCypress, boolean quiet, int interfaceVersion, int productId0, int productId1, int productId2, int productId3 ) {
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LibusbJava.usb_find_busses();
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LibusbJava.usb_find_devices();
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Usb_Bus bus = LibusbJava.usb_get_busses();
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while ( bus != null ) {
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Usb_Device dev = bus.getDevices();
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while ( dev != null ) {
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try {
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try {
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ZtexDevice1 zdev = new ZtexDevice1( dev, usbVendorId, usbProductId );
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if ( ( scanCypress && zdev.isCypress() ) ||
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( zdev.valid() && (interfaceVersion<0 || zdev.interfaceVersion()==interfaceVersion) && zdev.compatible(productId0, productId1, productId2, productId3) ) ) {
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devices.add( zdev );
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}
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}
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catch ( ZtexDescriptorException e ) {
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if ( scanCypress && usbVendorId == ZtexDevice1.cypressVendorId && usbProductId == ZtexDevice1.cypressProductId ) {
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try {
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ZtexDevice1 zdev = new ZtexDevice1( dev, -1, -1 );
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if ( zdev.isCypress() ) devices.add( zdev );
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}
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catch ( ZtexDescriptorException e2 ) {
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if ( ! quiet )
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System.err.println( e2.getLocalizedMessage() ); // should never occur
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}
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}
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else {
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if ( ! quiet )
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System.err.println( e.getLocalizedMessage() );
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}
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}
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}
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catch ( UsbException e ) {
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if ( ! quiet )
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System.err.println( e.getLocalizedMessage() );
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}
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dev = dev.getNext();
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}
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bus = bus.getNext();
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}
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}
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public ZtexScanBus1 (int usbVendorId, int usbProductId, boolean scanCypress, boolean quiet, int interfaceVersion ) {
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this(usbVendorId, usbProductId, scanCypress, quiet, interfaceVersion, -1,-1,-1,-1 );
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}
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public ZtexScanBus1 (int usbVendorId, int usbProductId, boolean scanCypress, boolean quiet ) {
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this(usbVendorId, usbProductId, scanCypress, quiet, -1, -1,-1,-1,-1 );
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}
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// ******* printBus ************************************************************
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public void printBus( PrintStream out ) {
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for (int i=0; i<devices.size(); i++ ) {
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out.println( i + ": " + devices.elementAt(i).toString() );
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}
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}
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// ******* numberOfDevices *****************************************************
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public final int numberOfDevices () {
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return devices.size();
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}
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// ******* device **************************************************************
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public final ZtexDevice1 device (int i) throws IndexOutOfBoundsException {
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if ( i<0 || i>=devices.size() )
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throw new IndexOutOfBoundsException( "Device number out of range. Valid numbers are 0.." + (devices.size()-1) );
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return devices.elementAt(i);
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}
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}
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