/*!
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/*!
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ucecho -- uppercase conversion example for ZTEX USB-FPGA Module 1.11b
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ucecho -- uppercase conversion example for ZTEX USB-FPGA Module 1.11b
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Copyright (C) 2009-2011 ZTEX GmbH.
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Copyright (C) 2009-2014 ZTEX GmbH.
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http://www.ztex.de
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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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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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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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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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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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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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along with this program; if not, see http://www.gnu.org/licenses/.
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!*/
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!*/
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import java.io.*;
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import java.io.*;
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import java.util.*;
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import java.util.*;
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import ch.ntb.usb.*;
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import ch.ntb.usb.*;
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import ztex.*;
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import ztex.*;
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// *****************************************************************************
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// *****************************************************************************
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// ******* ParameterException **************************************************
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// ******* ParameterException **************************************************
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// *****************************************************************************
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// *****************************************************************************
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// Exception the prints a help message
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// Exception the prints a help message
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class ParameterException extends Exception {
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class ParameterException extends Exception {
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public final static String helpMsg = new String (
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public final static String helpMsg = new String (
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"Parameters:\n"+
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"Parameters:\n"+
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" -d <number> Device Number (default: 0)\n" +
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" -d <number> Device Number (default: 0)\n" +
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" -f Force uploads\n" +
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" -f Force uploads\n" +
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" -p Print bus info\n" +
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" -p Print bus info\n" +
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" -w Enable certain workarounds\n"+
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" -w Enable certain workarounds\n"+
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" -h This help" );
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" -h This help" );
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public ParameterException (String msg) {
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public ParameterException (String msg) {
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super( msg + "\n" + helpMsg );
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super( msg + "\n" + helpMsg );
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}
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}
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}
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}
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// *****************************************************************************
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// *****************************************************************************
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// ******* Test0 ***************************************************************
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// ******* Test0 ***************************************************************
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// *****************************************************************************
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// *****************************************************************************
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class UCEcho extends Ztex1v1 {
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class UCEcho extends Ztex1v1 {
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// ******* UCEcho **************************************************************
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// ******* UCEcho **************************************************************
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// constructor
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// constructor
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public UCEcho ( ZtexDevice1 pDev ) throws UsbException {
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public UCEcho ( ZtexDevice1 pDev ) throws UsbException {
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super ( pDev );
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super ( pDev );
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}
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}
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// ******* echo ****************************************************************
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// ******* echo ****************************************************************
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// writes a string to Endpoint 4, reads it back from Endpoint 2 and writes the output to System.out
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// writes a string to Endpoint 4, reads it back from Endpoint 2 and writes the output to System.out
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public void echo ( String input ) throws UsbException {
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public void echo ( String input ) throws UsbException {
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byte buf[] = input.getBytes();
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byte buf[] = input.getBytes();
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int i = LibusbJava.usb_bulk_write(handle(), 0x04, buf, buf.length, 1000);
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int i = LibusbJava.usb_bulk_write(handle(), 0x04, buf, buf.length, 1000);
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if ( i<0 )
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if ( i<0 )
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throw new UsbException("Error sending data: " + LibusbJava.usb_strerror());
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throw new UsbException("Error sending data: " + LibusbJava.usb_strerror());
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System.out.println("Send "+i+" bytes: `"+input+"'" );
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System.out.println("Send "+i+" bytes: `"+input+"'" );
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try {
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try {
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Thread.sleep( 10 );
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Thread.sleep( 10 );
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}
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}
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catch ( InterruptedException e ) {
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catch ( InterruptedException e ) {
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}
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}
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buf = new byte[1024];
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buf = new byte[1024];
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i = LibusbJava.usb_bulk_read(handle(), 0x82, buf, 1024, 1000);
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i = LibusbJava.usb_bulk_read(handle(), 0x82, buf, 1024, 1000);
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if ( i<0 )
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if ( i<0 )
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throw new UsbException("Error receiving data: " + LibusbJava.usb_strerror());
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throw new UsbException("Error receiving data: " + LibusbJava.usb_strerror());
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System.out.println("Read "+i+" bytes: `"+new String(buf,0,i)+"'" );
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System.out.println("Read "+i+" bytes: `"+new String(buf,0,i)+"'" );
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}
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}
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// ******* main ****************************************************************
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// ******* main ****************************************************************
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public static void main (String args[]) {
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public static void main (String args[]) {
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int devNum = 0;
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int devNum = 0;
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boolean force = false;
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boolean force = false;
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boolean workarounds = false;
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boolean workarounds = false;
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try {
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try {
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// init USB stuff
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// init USB stuff
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LibusbJava.usb_init();
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LibusbJava.usb_init();
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// scan the USB bus
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// scan the USB bus
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ZtexScanBus1 bus = new ZtexScanBus1( ZtexDevice1.ztexVendorId, ZtexDevice1.ztexProductId, true, false, 1);
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ZtexScanBus1 bus = new ZtexScanBus1( ZtexDevice1.ztexVendorId, ZtexDevice1.ztexProductId, true, false, 1);
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if ( bus.numberOfDevices() <= 0) {
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if ( bus.numberOfDevices() <= 0) {
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System.err.println("No devices found");
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System.err.println("No devices found");
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System.exit(0);
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System.exit(0);
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}
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}
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// scan the command line arguments
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// scan the command line arguments
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for (int i=0; i<args.length; i++ ) {
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for (int i=0; i<args.length; i++ ) {
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if ( args[i].equals("-d") ) {
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if ( args[i].equals("-d") ) {
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i++;
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i++;
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try {
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try {
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if (i>=args.length) throw new Exception();
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if (i>=args.length) throw new Exception();
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devNum = Integer.parseInt( args[i] );
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devNum = Integer.parseInt( args[i] );
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}
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}
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catch (Exception e) {
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catch (Exception e) {
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throw new ParameterException("Device number expected after -d");
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throw new ParameterException("Device number expected after -d");
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}
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}
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}
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}
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else if ( args[i].equals("-f") ) {
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else if ( args[i].equals("-f") ) {
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force = true;
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force = true;
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}
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}
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else if ( args[i].equals("-p") ) {
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else if ( args[i].equals("-p") ) {
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bus.printBus(System.out);
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bus.printBus(System.out);
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System.exit(0);
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System.exit(0);
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}
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}
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else if ( args[i].equals("-p") ) {
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else if ( args[i].equals("-p") ) {
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bus.printBus(System.out);
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bus.printBus(System.out);
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System.exit(0);
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System.exit(0);
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}
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}
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else if ( args[i].equals("-w") ) {
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else if ( args[i].equals("-w") ) {
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workarounds = true;
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workarounds = true;
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}
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}
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else if ( args[i].equals("-h") ) {
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else if ( args[i].equals("-h") ) {
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System.err.println(ParameterException.helpMsg);
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System.err.println(ParameterException.helpMsg);
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System.exit(0);
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System.exit(0);
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}
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}
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else throw new ParameterException("Invalid Parameter: "+args[i]);
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else throw new ParameterException("Invalid Parameter: "+args[i]);
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}
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}
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// create the main class
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// create the main class
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UCEcho ztex = new UCEcho ( bus.device(devNum) );
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UCEcho ztex = new UCEcho ( bus.device(devNum) );
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ztex.certainWorkarounds = workarounds;
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ztex.certainWorkarounds = workarounds;
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// upload the firmware if necessary
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// upload the firmware if necessary
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if ( force || ! ztex.valid() || ! ztex.dev().productString().equals("ucecho example for UFM 1.11") ) {
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if ( force || ! ztex.valid() || ! ztex.dev().productString().equals("ucecho example for UFM 1.11") ) {
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System.out.println("Firmware upload time: " + ztex.uploadFirmware( "ucecho.ihx", force ) + " ms");
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System.out.println("Firmware upload time: " + ztex.uploadFirmware( "ucecho.ihx", force ) + " ms");
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force = true;
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force = true;
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}
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}
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// upload the bitstream if necessary
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// upload the bitstream if necessary
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if ( force || ! ztex.getFpgaConfiguration() ) {
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if ( force || ! ztex.getFpgaConfiguration() ) {
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System.out.println("FPGA configuration time: " + ztex.configureFpga( "fpga/ucecho.bit" , force ) + " ms");
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System.out.println("FPGA configuration time: " + ztex.configureFpga( "fpga/ucecho.bit" , force ) + " ms");
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}
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}
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// claim interface 0
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// claim interface 0
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ztex.trySetConfiguration ( 1 );
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ztex.trySetConfiguration ( 1 );
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ztex.claimInterface ( 0 );
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ztex.claimInterface ( 0 );
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// read string from stdin and write it to USB device
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// read string from stdin and write it to USB device
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String str = "";
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String str = "";
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BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );
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BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );
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while ( ! str.equals("quit") ) {
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while ( ! str.equals("quit") ) {
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System.out.print("Enter a string or `quit' to exit the program: ");
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System.out.print("Enter a string or `quit' to exit the program: ");
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str = reader.readLine();
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str = reader.readLine();
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if ( ! str.equals("") )
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if ( ! str.equals("") )
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ztex.echo(str);
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ztex.echo(str);
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System.out.println("");
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System.out.println("");
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}
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}
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// release interface 0
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// release interface 0
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ztex.releaseInterface( 0 );
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ztex.releaseInterface( 0 );
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}
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}
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catch (Exception e) {
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catch (Exception e) {
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System.out.println("Error: "+e.getLocalizedMessage() );
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System.out.println("Error: "+e.getLocalizedMessage() );
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}
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}
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}
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}
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}
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}
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