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[/] [usb_fpga_1_11/] [trunk/] [examples/] [all/] [debug/] [Debug.java] - Rev 7
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/*! debug -- debug helper example Copyright (C) 2009-2011 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() ); } } }
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