Subversion Repositories usb_fpga_2_13

/*!

   flashdemo -- demo for Flash memory access from firmware and host software for ZTEX USB-FPGA Modules 1.11

   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" +

                "    -ue          Upload Firmware to EEPROM\n" +

                "    -re          Reset EEPROM Firmware\n" +

                "    -w           Enable certain workarounds\n" +

                "    -h           This help" );

    public ParameterException (String msg) {

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

    }

}

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

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

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

class FlashDemo extends Ztex1v1 {

// ******* FlashDemo ***********************************************************

// constructor

    public FlashDemo ( 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("-w") ) {

                    workarounds = true;

                }

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

                        System.err.println(ParameterException.helpMsg);

                        System.exit(0);

                }

                else if ( !args[i].equals("-re") && !args[i].equals("-ue") )

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

            }

// create the main class            

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

            ztex.certainWorkarounds = workarounds;

// upload the firmware if necessary

            if ( force || ! ztex.valid() || ! ztex.dev().productString().equals("Flash demo for UFM 1.11")  ) {

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

            }

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

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

                    ztex.eepromDisable();

                }

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

                    System.out.println("Firmware to EEPROM upload time: " + ztex.eepromUpload( "flashdemo.ihx", force ) + " ms");

                }

            }

// print some information

            System.out.println("Capabilities: " + ztex.capabilityInfo(", "));

            System.out.println("Enabled: " + ztex.flashEnabled());

            System.out.println("Size: " + ztex.flashSize());

            byte[] buf = new byte[ztex.flashSectorSize()];

            ztex.flashReadSector(0,buf);         // read out the las sector;

            int sector = (buf[0] & 255) | ((buf[1] & 255) << 8) | ((buf[1] & 255) << 16) | ((buf[1] & 255) << 24);

            System.out.println("Last sector: "+sector);

            ztex.flashReadSector(sector,buf);           // read out the string

            int i=0;

            while ( buf[i] != '\0'&& i < ztex.flashSectorSize() )

                i++;

            System.out.println("The string: `" + new String(buf,0,i)+ "'");

        }

        catch (Exception e) {

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

        }

   }

}