Subversion Repositories usb_fpga_2_04

/*!

   debug -- debug helper example

   Copyright (C) 2009-2014 ZTEX GmbH.

   http://www.ztex.de

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License version 3 as

   published by the Free Software Foundation.

   This program 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 this program; if not, see http://www.gnu.org/licenses/.

!*/

import java.io.*;

import java.util.*;

import ch.ntb.usb.*;

import ztex.*;

// *****************************************************************************

// ******* ParameterException **************************************************

// *****************************************************************************

// Exception the prints a help message

class ParameterException extends Exception {

    public final static String helpMsg = new String (

                "Parameters:\n"+

                "    -d <number>       Device Number (default: 0)\n" +

                "    -f                Force uploads\n" +

                "    -p                Print bus info\n" +

                "    -w                Enable certain workarounds\n"+

                "    -h                This help" );

    public ParameterException (String msg) {

        super( msg + "\n" + helpMsg );

    }

}

// *****************************************************************************

// ******* Test0 ***************************************************************

// *****************************************************************************

class Debug extends Ztex1v1 {

// ******* Debug ***************************************************************

// constructor

    public Debug ( ZtexDevice1 pDev ) throws UsbException {

        super ( pDev );

    }

// ******* main ****************************************************************

    public static void main (String args[]) {

        int devNum = 0;

        boolean force = false;

        boolean workarounds = false;

        try {

// init USB stuff

            LibusbJava.usb_init();

// scan the USB bus

            ZtexScanBus1 bus = new ZtexScanBus1( ZtexDevice1.ztexVendorId, ZtexDevice1.ztexProductId, true, false, 1);

            if ( bus.numberOfDevices() <= 0) {

                System.err.println("No devices found");

                System.exit(0);

            }

// scan the command line arguments

            for (int i=0; i<args.length; i++ ) {

                if ( args[i].equals("-d") ) {

                    i++;

                    try {

                        if (i>=args.length) throw new Exception();

                        devNum = Integer.parseInt( args[i] );

                    }

                    catch (Exception e) {

                        throw new ParameterException("Device number expected after -d");

                    }

                }

                else if ( args[i].equals("-f") ) {

                    force = true;

                }

                else if ( args[i].equals("-p") ) {

                    bus.printBus(System.out);

                    System.exit(0);

                }

                else if ( args[i].equals("-p") ) {

                    bus.printBus(System.out);

                    System.exit(0);

                }

                else if ( args[i].equals("-w") ) {

                    workarounds = true;

                }

                else if ( args[i].equals("-h") ) {

                        System.err.println(ParameterException.helpMsg);

                        System.exit(0);

                }

                else throw new ParameterException("Invalid Parameter: "+args[i]);

            }

// create the main class            

            Debug ztex = new Debug ( bus.device(devNum) );

            ztex.certainWorkarounds = workarounds;

// upload the firmware if necessary

            if ( force || ! ztex.valid() || ! ztex.dev().productString().equals("debug for EZ-USB devices")  ) {

                System.out.println("Firmware upload time: " + ztex.uploadFirmware( "debug.ihx", force ) + " ms");

            }

// claim interface 0

            ztex.trySetConfiguration ( 1 );

            ztex.claimInterface ( 0 );

// read string from stdin and write it to USB device

            byte[] buf = new byte[30];

            BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );

            for (int i=0; i<20; i++ ) {

                try {

                    Thread.sleep( 2345 );

                }

                catch ( InterruptedException e) {

                }

                int j = ztex.debugReadMessages(false,buf);

                System.out.print(ztex.debugNewMessages + " new messages: ");

                for (int k=0; k<j; k++ ) {

                    if (k > 0 ) System.out.print("                ");

                    System.out.println( ((buf[k*3] & 255) | ((buf[k*3+1] & 255)<<8)) + (buf[k*3+2] & 255)*0.01 );

                }

            }

// release interface 0

            ztex.releaseInterface(0);

        }

        catch (Exception e) {

            System.out.println("Error: "+e.getLocalizedMessage() );

        }

   }

}