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/*!
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/*!
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flashbench -- Flash memory benchmark for ZTEX USB Module 1.0
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flashbench -- Flash memory benchmark for ZTEX USB-XMEGA Module 1.0
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Copyright (C) 2009-2010 ZTEX e.K.
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Copyright (C) 2009-2011 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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}
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}
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// ******* testRW **************************************************************
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// ******* testRW **************************************************************
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// measures read + write performance
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// measures read + write performance
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public double testRW ( int num ) throws UsbException, InvalidFirmwareException, CapabilityException {
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public double testRW ( int num ) throws UsbException, InvalidFirmwareException, CapabilityException {
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byte[] buf1 = new byte[flashSectorSize()];
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int secNum = 2048 / flashSectorSize();
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byte[] buf2 = new byte[flashSectorSize()];
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byte[] buf1 = new byte[flashSectorSize() * secNum];
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byte[] buf2 = new byte[flashSectorSize() * secNum];
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int errors = 0;
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int errors = 0;
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long t0 = new Date().getTime();
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long t0 = new Date().getTime();
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for ( int i=0; i<num; i++ ) {
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for ( int i=0; i<num; i+=secNum ) {
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int l = Math.min(num-i,secNum);
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int j=(int) Math.round(65535*Math.random());
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int j=(int) Math.round(65535*Math.random());
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for (int k=0; k<flashSectorSize(); k++) {
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for (int k=0; k<flashSectorSize()*l; k++) {
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buf1[k] = (byte) (j & 255);
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buf1[k] = (byte) (j & 255);
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j+=57;
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j+=57;
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}
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}
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System.out.print("Sector " + (i+1) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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System.out.print("Sector " + (i+l) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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flashWriteSector(i,buf1);
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flashWriteSector(i,l,buf1);
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flashReadSector(i,buf2);
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flashReadSector(i,l,buf2);
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int diffs=flashSectorSize();
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int diffs=flashSectorSize()*l;
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for (int k=0; k<flashSectorSize(); k++)
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for (int k=0; k<flashSectorSize()*l; k++)
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if ( buf1[k] == buf2[k] )
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if ( buf1[k] == buf2[k] )
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diffs -= 1;
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diffs -= 1;
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if ( diffs!=0 && errors==0) {
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if ( diffs!=0 /*&& errors==0 */) {
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System.out.print("Error occured: Sector " + i +": " + diffs + " differences: ");
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System.out.println("Error occured at sector " + i +": " + diffs + " differences");
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}
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}
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if ( diffs!=0 )
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if ( diffs!=0 )
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errors+=1;
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errors+=1;
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}
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}
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System.out.println("testRW: " + errors +" errors detected");
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System.out.println("testRW: " + errors +" errors detected");
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}
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}
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// ******* testW **************************************************************
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// ******* testW **************************************************************
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// measures write performance
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// measures write performance
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public double testW ( int num, int seed ) throws UsbException, InvalidFirmwareException, CapabilityException {
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public double testW ( int num, int seed ) throws UsbException, InvalidFirmwareException, CapabilityException {
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byte[] buf = new byte[flashSectorSize()];
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int secNum = 2048 / flashSectorSize();
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byte[] buf = new byte[flashSectorSize() * secNum];
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long t0 = new Date().getTime();
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long t0 = new Date().getTime();
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for ( int i=0; i<num; i++ ) {
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for ( int i=0; i<num; i+=secNum ) {
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System.out.print("Sector " + (i+1) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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int j = Math.min(num-i,secNum);
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for (int k=0; k<flashSectorSize(); k++) {
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System.out.print("Sector " + (i+j) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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for (int k=0; k<flashSectorSize()*j; k++) {
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buf[k] = (byte) (seed & 255);
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buf[k] = (byte) (seed & 255);
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seed+=79;
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seed+=79;
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}
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}
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flashWriteSector(i,buf);
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flashWriteSector(i,j,buf);
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}
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}
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return num*512.0/(new Date().getTime() - t0);
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return num*512.0/(new Date().getTime() - t0);
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}
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}
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// ******* testR **************************************************************
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// ******* testR **************************************************************
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// measures read performance
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// measures read performance
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public double testR ( int num, int seed ) throws UsbException, InvalidFirmwareException, CapabilityException {
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public double testR ( int num, int seed ) throws UsbException, InvalidFirmwareException, CapabilityException {
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byte[] buf = new byte[flashSectorSize()];
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int secNum = 2048 / flashSectorSize();
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byte[] buf = new byte[flashSectorSize() * secNum];
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int errors = 0;
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int errors = 0;
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long t0 = new Date().getTime();
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long t0 = new Date().getTime();
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for ( int i=0; i<num; i++ ) {
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for ( int i=0; i<num; i+=secNum ) {
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System.out.print("Sector " + (i+1) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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int j = Math.min(num-i,secNum);
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flashReadSector(i,buf);
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System.out.print("Sector " + (i+j) + "/" + num+ " " + Math.round(10000.0*(i+1)/num)/100.0 + "% \r");
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int diffs = flashSectorSize();
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flashReadSector(i,j,buf);
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for (int k=0; k<flashSectorSize(); k++) {
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int diffs = flashSectorSize()*j;
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for (int k=0; k<flashSectorSize()*j; k++) {
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if ( buf[k] == (byte) (seed & 255) )
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if ( buf[k] == (byte) (seed & 255) )
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diffs-=1;
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diffs-=1;
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seed+=79;
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seed+=79;
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}
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}
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if ( diffs!=0 && errors==0 ) {
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if ( diffs!=0 && errors==0 ) {
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System.out.print("Error occured: Sector " + i +": " + diffs + " differences: ");
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System.out.println("Error occured at sector " + i +": " + diffs + " differences");
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}
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}
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if ( diffs!=0 )
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if ( diffs!=0 )
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errors+=1;
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errors+=1;
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}
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}
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System.out.println("testR: " + errors +" errors detected");
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System.out.println("testR: " + errors +" errors detected");
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