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ZTEX |
/*!
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memfifo -- implementation of EZ-USB slave FIFO's (input and output) a FIFO using the DDR3 SDRAM for ZTEX USB-FPGA Modules 2.13
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Copyright (C) 2009-2014 ZTEX GmbH.
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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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import java.io.*;
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import java.util.*;
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import java.text.*;
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import ch.ntb.usb.*;
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import ztex.*;
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// *****************************************************************************
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// ******* ParameterException **************************************************
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// *****************************************************************************
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// Exception the prints a help message
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class ParameterException extends Exception {
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public final static String helpMsg = new String (
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"Parameters:\n"+
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" -d <number> Device Number (default: 0)\n" +
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" -f Force uploads\n" +
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" -p Print bus info\n" +
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" -h This help" );
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public ParameterException (String msg) {
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super( msg + "\n" + helpMsg );
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}
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}
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// *****************************************************************************
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// ******* USBReader ***********************************************************
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// *****************************************************************************
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class UsbReader extends Thread {
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private final int bufNum = 8;
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public final int bufSize = 512*1024;
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public byte[][] buf = new byte[bufNum][];
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public int[] bufBytes = new int[bufNum];
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private int readCount = -1;
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private int getCount = -1;
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public boolean terminate = false;
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private Ztex1v1 ztex;
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public UsbReader ( Ztex1v1 p_ztex ) {
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super ();
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ztex = p_ztex;
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for (int i=0; i<bufNum; i++) {
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buf[i]=new byte[bufSize];
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}
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}
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public int getBuffer () {
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getCount += 1;
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while (getCount >= readCount) {
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try {
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sleep(1);
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}
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catch ( InterruptedException e) {
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}
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}
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return getCount % bufNum;
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}
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public void reset () {
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getCount = readCount + 1;
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}
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public void run() {
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setPriority(MAX_PRIORITY);
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// reader loop
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while ( !terminate ) {
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readCount += 1;
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while ( readCount - bufNum >= getCount ) {
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try {
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sleep(1);
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}
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catch ( InterruptedException e) {
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}
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}
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int i = readCount % bufNum;
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bufBytes[i] = LibusbJava.usb_bulk_read(ztex.handle(), 0x82, buf[i], bufSize, 1000);
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// System.out.println("Buffer " + i +": read " + bufBytes[i] + " bytes");
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}
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}
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}
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// *****************************************************************************
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// ******* UsbWriter ***********************************************************
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// *****************************************************************************
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class UsbWriter extends Thread {
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private final int bufNum = 8;
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public final int bufSize = 512*1024;
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public byte[][] buf = new byte[bufNum][];
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private int writeCount = -1;
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private int getCount = -1;
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public boolean terminate = false;
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private Ztex1v1 ztex;
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public int errorBuffferCount = -1; // buffer count if an error occurred; otherwise -1
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public int errorResult = 0; // error code or number of bytes if an error occurred
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public UsbWriter ( Ztex1v1 p_ztex ) {
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super ();
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ztex = p_ztex;
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for (int i=0; i<bufNum; i++) {
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buf[i]=new byte[bufSize];
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}
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}
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public int getBuffer () {
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getCount += 1;
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while (getCount - bufNum >= writeCount) {
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try {
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sleep(1);
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}
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catch ( InterruptedException e) {
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}
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}
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return getCount % bufNum;
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}
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public void reset () {
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getCount = writeCount + 1;
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errorBuffferCount = -1;
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}
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public void run() {
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setPriority(MAX_PRIORITY);
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// writer loop
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while ( !terminate ) {
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writeCount += 1;
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while ( writeCount >= getCount ) {
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try {
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sleep(1);
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}
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catch ( InterruptedException e) {
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}
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}
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int i = writeCount % bufNum;
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int j = LibusbJava.usb_bulk_write(ztex.handle(), 0x06, buf[i], bufSize, 1000);
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if ( j != bufSize ) {
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errorBuffferCount = writeCount;
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errorResult = j;
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}
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// System.out.println("Buffer " + i +": wrote " + j + " bytes");
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}
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}
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}
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// *****************************************************************************
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// ******* UsbTestWriter *******************************************************
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// *****************************************************************************
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class UsbTestWriter extends Thread {
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public boolean terminate = false;
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private UsbWriter writer;
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public UsbTestWriter ( Ztex1v1 p_ztex ) {
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super ();
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writer = new UsbWriter( p_ztex );
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}
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public boolean error () {
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return writer.errorBuffferCount >= 0;
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}
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public void run() {
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writer.start();
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int k = 0;
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int cs = 47;
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int sync;
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Random random = new Random();
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while ( !terminate ) {
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byte[] b = writer.buf[writer.getBuffer()];
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for ( int i=0; i<writer.bufSize; i++ ) {
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int j = k & 15;
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sync = ( ((j & 1)==1) || (j==14) ) ? 128 : 0;
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if ( j == 15 ) {
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b[i] = (byte) (sync | ((cs & 127) ^ (cs>>7)));
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cs = 47;
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}
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else {
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// b[i] = (byte) ( (j==0 ? (k>>4) & 127 : random.nextInt(128)) | sync );
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b[i] = (byte) ( (((k>>4)+j) & 127) | sync );
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cs += (b[i] & 255);
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}
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k=(k+1) & 65535;
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}
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}
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writer.terminate=true;
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}
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}
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215 |
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// *****************************************************************************
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// ******* MemFifo *************************************************************
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// *****************************************************************************
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class MemFifo extends Ztex1v1 {
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// constructor
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public MemFifo ( ZtexDevice1 pDev ) throws UsbException {
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super ( pDev );
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}
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225 |
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// set mode
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public void setMode( int i ) throws UsbException {
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i = i & 3;
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vendorCommand (0x80, "Set test mode", i, 0);
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}
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// reset
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public void reset( ) throws UsbException {
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vendorCommand (0x81, "Reset:", 0, 0);
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try {
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Thread.sleep(300);
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}
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238 |
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catch ( InterruptedException e) {
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239 |
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}
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240 |
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byte[] buf = new byte[4096];
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241 |
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while ( LibusbJava.usb_bulk_read(handle(), 0x82, buf, buf.length, 100) == buf.length ) { }; // empties buffers
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242 |
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}
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243 |
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244 |
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// reads data and verifies them.
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245 |
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// returns true if errors occurred
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246 |
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// rate is data rate in kBytes; <=0 means unlimited
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247 |
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public boolean verify ( UsbReader reader, int iz, int rate ) {
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248 |
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boolean valid = false;
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249 |
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int byte_cnt = 0, sync_cnt = 0, cs = 47, first = 255, prev_first = 255;
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250 |
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boolean memError = false;
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for (int i=0; i<iz; i++) {
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253 |
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if ( i>0 && rate>0 ) {
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254 |
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try {
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255 |
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Thread.sleep(reader.bufSize/rate);
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256 |
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}
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257 |
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catch ( InterruptedException e) {
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258 |
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}
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259 |
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}
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260 |
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int j = reader.getBuffer();
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261 |
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int bb = reader.bufBytes[j];
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262 |
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byte[] b = reader.buf[j];
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263 |
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int merrors = 0;
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264 |
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int ferrors = 0;
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265 |
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int serrors = 0;
|
266 |
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boolean prev_sync = false;
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267 |
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268 |
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if ( bb != reader.bufSize ) {
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269 |
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System.out.println("Data read error");
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270 |
|
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memError = true;
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271 |
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break;
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272 |
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}
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273 |
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|
274 |
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/* for ( int l=0; l<512; l+=1) {
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275 |
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System.out.print(" " + (b[l] & 255) );
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276 |
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if ( (l & 15) == 15 ) System.out.println();
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277 |
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} */
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278 |
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|
279 |
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for (int k=0; k<bb; k++ ) {
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280 |
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byte_cnt++;
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281 |
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sync_cnt++;
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282 |
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if ( (b[k] & 128) == 0 ) sync_cnt=0;
|
283 |
|
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if ( byte_cnt == 1 ) {
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284 |
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prev_first = first;
|
285 |
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first = b[k] & 255;
|
286 |
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}
|
287 |
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// if ( k<40 ) System.out.println(k + ": " + (b[k] & 255) + " " + (b[k] & 127) + " " + ((cs & 127) ^ (cs>>7)) + " " + byte_cnt + " " + sync_cnt +" " + prev_first + " " + first );
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288 |
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if ( sync_cnt == 3 ) {
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289 |
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boolean serror = byte_cnt != 16;
|
290 |
|
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boolean merror = ( b[k] & 127 ) != ((cs & 127) ^ (cs>>7));
|
291 |
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boolean ferror = prev_sync && ( first != ((prev_first + 1) & 127) );
|
292 |
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prev_sync = byte_cnt == 16;
|
293 |
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// valid = valid || ( !serror && !merror && !ferror );
|
294 |
|
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valid = valid || ( !serror && !merror );
|
295 |
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if ( valid ) {
|
296 |
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if ( serror ) serrors += 1;
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297 |
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else if ( merror ) merrors += 1;
|
298 |
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else if ( ferror ) ferrors += 1;
|
299 |
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if ( serror && (serrors <= 2) && (k>=byte_cnt-1) && (k+1<bb) ) {
|
300 |
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System.out.print( "Sync Error: " + byte_cnt + " at " + k + ": " );
|
301 |
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for ( int l=1; l<=byte_cnt+1; l++ ) System.out.print((b[k-byte_cnt+l] < 0 ? "*" : "" ) + (b[k-byte_cnt+l] & 127) + " ");
|
302 |
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}
|
303 |
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// if ( ferror && (ferrors == 1) && (k+1<bb) ) System.out.println( "Fifo error: " + prev_first + " " + first + " " + ( b[k+1] & 127 ) + ": ");
|
304 |
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}
|
305 |
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cs=47;
|
306 |
|
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byte_cnt = 0;
|
307 |
|
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} else {
|
308 |
|
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cs += ( b[k] & 255);
|
309 |
|
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}
|
310 |
|
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}
|
311 |
|
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|
312 |
|
|
if ( ! valid ) {
|
313 |
|
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System.out.println("Invalid data");
|
314 |
|
|
return true;
|
315 |
|
|
}
|
316 |
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|
317 |
|
|
System.out.print("Buffer " + i + ": " + serrors + " sync errors, " + merrors + " memory or transfer errors, " + ferrors + " FIFO errors \r");
|
318 |
|
|
if ( merrors + ferrors + serrors > (i==0 ? 1 : 0 ) ) { // one error in first buffer may occurs ofter changing mode
|
319 |
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System.out.println();
|
320 |
|
|
memError = true;
|
321 |
|
|
}
|
322 |
|
|
}
|
323 |
|
|
System.out.println();
|
324 |
|
|
return memError;
|
325 |
|
|
}
|
326 |
|
|
|
327 |
|
|
// ******* main ****************************************************************
|
328 |
|
|
public static void main (String args[]) {
|
329 |
|
|
|
330 |
|
|
int devNum = 0;
|
331 |
|
|
boolean force = false;
|
332 |
|
|
|
333 |
|
|
try {
|
334 |
|
|
// init USB stuff
|
335 |
|
|
LibusbJava.usb_init();
|
336 |
|
|
|
337 |
|
|
// scan the USB bus
|
338 |
|
|
ZtexScanBus1 bus = new ZtexScanBus1( ZtexDevice1.ztexVendorId, ZtexDevice1.ztexProductId, true, false, 1);
|
339 |
|
|
if ( bus.numberOfDevices() <= 0) {
|
340 |
|
|
System.err.println("No devices found");
|
341 |
|
|
System.exit(0);
|
342 |
|
|
}
|
343 |
|
|
|
344 |
|
|
// scan the command line arguments
|
345 |
|
|
for (int i=0; i<args.length; i++ ) {
|
346 |
|
|
if ( args[i].equals("-d") ) {
|
347 |
|
|
i++;
|
348 |
|
|
try {
|
349 |
|
|
if (i>=args.length) throw new Exception();
|
350 |
|
|
devNum = Integer.parseInt( args[i] );
|
351 |
|
|
}
|
352 |
|
|
catch (Exception e) {
|
353 |
|
|
throw new ParameterException("Device number expected after -d");
|
354 |
|
|
}
|
355 |
|
|
}
|
356 |
|
|
else if ( args[i].equals("-f") ) {
|
357 |
|
|
force = true;
|
358 |
|
|
}
|
359 |
|
|
else if ( args[i].equals("-p") ) {
|
360 |
|
|
bus.printBus(System.out);
|
361 |
|
|
System.exit(0);
|
362 |
|
|
}
|
363 |
|
|
else if ( args[i].equals("-p") ) {
|
364 |
|
|
bus.printBus(System.out);
|
365 |
|
|
System.exit(0);
|
366 |
|
|
}
|
367 |
|
|
else if ( args[i].equals("-h") ) {
|
368 |
|
|
System.err.println(ParameterException.helpMsg);
|
369 |
|
|
System.exit(0);
|
370 |
|
|
}
|
371 |
|
|
else throw new ParameterException("Invalid Parameter: "+args[i]);
|
372 |
|
|
}
|
373 |
|
|
|
374 |
|
|
String errStr = "";
|
375 |
|
|
|
376 |
|
|
// create the main class
|
377 |
|
|
MemFifo ztex = new MemFifo ( bus.device(devNum) );
|
378 |
|
|
|
379 |
|
|
// upload the firmware if necessary
|
380 |
|
|
if ( force || ! ztex.valid() || ! ztex.dev().productString().equals("memfifo for UFM 2.13") ) {
|
381 |
|
|
System.out.println("Firmware upload time: " + ztex.uploadFirmware( "memfifo.ihx", force ) + " ms");
|
382 |
|
|
force = true;
|
383 |
|
|
}
|
384 |
|
|
|
385 |
|
|
// upload the bitstream if necessary
|
386 |
|
|
if ( force || ! ztex.getFpgaConfiguration() ) {
|
387 |
|
|
System.out.println("FPGA configuration time: " + ztex.configureFpga( "fpga/memfifo.runs/impl_1/memfifo.bit" , force, -1 ) + " ms");
|
388 |
|
|
}
|
389 |
|
|
|
390 |
|
|
// claim tnterface
|
391 |
|
|
ztex.trySetConfiguration ( 1 );
|
392 |
|
|
ztex.claimInterface ( 0 );
|
393 |
|
|
|
394 |
|
|
// reset FIFO's
|
395 |
|
|
if ( !force ) {
|
396 |
|
|
System.out.println("Resetting FIFO's");
|
397 |
|
|
ztex.reset();
|
398 |
|
|
}
|
399 |
|
|
|
400 |
|
|
// PKTEND test
|
401 |
|
|
/* {
|
402 |
|
|
byte[] buf = new byte[65536];
|
403 |
|
|
int i = LibusbJava.usb_bulk_write(ztex.handle(), 0x06, buf, buf.length, 1000);
|
404 |
|
|
// System.out.println("PKTEND test: wrote "+i+" bytes");
|
405 |
|
|
// number of read bytes is usually less than number written bytes because DRAM FIFO is usually never completely emptied in order to avoid small transactions
|
406 |
|
|
i=LibusbJava.usb_bulk_read(ztex.handle(), 0x82, buf, buf.length, 1000);
|
407 |
|
|
//
|
408 |
|
|
int j = i & 511;
|
409 |
|
|
System.out.println("PKTEND test: read "+i+" bytes, last paket: " + (j == 0 ? 512 : j) + " bytes" );
|
410 |
|
|
} */
|
411 |
|
|
|
412 |
|
|
// start traffic reader
|
413 |
|
|
UsbReader reader = new UsbReader( ztex );
|
414 |
|
|
reader.start();
|
415 |
|
|
|
416 |
|
|
// Mode 1: 48 MByte/s Test data generator: used for speed test
|
417 |
|
|
ztex.setMode(1);
|
418 |
|
|
System.out.println("48 MByte/s test data generator: ");
|
419 |
|
|
long t0 = new Date().getTime();
|
420 |
|
|
ztex.verify(reader, 2000, 0);
|
421 |
|
|
System.out.println("Read data rate: " + Math.round(reader.bufSize*2000.0/((new Date().getTime()-t0)*100.0)*0.1) + " MByte/s");
|
422 |
|
|
|
423 |
|
|
|
424 |
|
|
// Mode 2: 12 MByte/s Test data generator: tests flow control
|
425 |
|
|
ztex.setMode(2);
|
426 |
|
|
System.out.println("12 MByte/s test data generator: ");
|
427 |
|
|
ztex.verify(reader, 2000, 0);
|
428 |
|
|
|
429 |
|
|
// PKTEND test
|
430 |
|
|
{
|
431 |
|
|
byte[] buf = new byte[65536];
|
432 |
|
|
int i;
|
433 |
|
|
while ( (i = LibusbJava.usb_bulk_write(ztex.handle(), 0x06, buf, buf.length, 1000)) == buf.length ) { }
|
434 |
|
|
int j = i & 511;
|
435 |
|
|
System.out.println("PKTEND test: last paket size: " + (j == 0 ? 512 : j) + " bytes" );
|
436 |
|
|
}
|
437 |
|
|
|
438 |
|
|
// Mode 0: write+read mode
|
439 |
|
|
ztex.reset();
|
440 |
|
|
UsbTestWriter writer = new UsbTestWriter( ztex );
|
441 |
|
|
writer.start();
|
442 |
|
|
reader.reset();
|
443 |
|
|
|
444 |
|
|
System.out.println("USB write + read mode: speed test");
|
445 |
|
|
t0 = new Date().getTime();
|
446 |
|
|
ztex.verify(reader, 1000, 0);
|
447 |
|
|
System.out.println("Read data rate: " + Math.round(reader.bufSize*1000.0/((new Date().getTime()-t0)*100.0)*0.1) + " MByte/s");
|
448 |
|
|
|
449 |
|
|
System.out.println("USB write + read mode: 5 MByte/s read rate");
|
450 |
|
|
ztex.verify(reader, 1000, 5000);
|
451 |
|
|
|
452 |
|
|
if ( writer.error() ) System.out.println("Write errors occured");
|
453 |
|
|
|
454 |
|
|
// Terminating threads
|
455 |
|
|
writer.terminate=true; // stop the writer
|
456 |
|
|
reader.terminate=true; // stop the reader
|
457 |
|
|
/* for (int i=0; i<10000 && writer.isAlive() && reader.isAlive(); i++ ) {
|
458 |
|
|
if ( ( i % 1000 ) == 999 ) System.out.print(".");
|
459 |
|
|
try {
|
460 |
|
|
Thread.sleep(1);
|
461 |
|
|
}
|
462 |
|
|
catch ( InterruptedException e) {
|
463 |
|
|
}
|
464 |
|
|
}
|
465 |
|
|
System.out.println();
|
466 |
|
|
|
467 |
|
|
// releases interface
|
468 |
|
|
ztex.releaseInterface( 0 ); */
|
469 |
|
|
|
470 |
|
|
}
|
471 |
|
|
catch (Exception e) {
|
472 |
|
|
System.out.println("Error: "+e.getLocalizedMessage() );
|
473 |
|
|
}
|
474 |
|
|
|
475 |
|
|
}
|
476 |
|
|
|
477 |
|
|
}
|