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flashsend for ZTex
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Romain Dolbeau
parent
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commit
9f0ada85e1
277
flashsend/FlashSend.java
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277
flashsend/FlashSend.java
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/*%
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flashsend -- Flash memory uploade
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Copyright (C) 2009-2017 ZTEX GmbH.
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http://www.ztex.de
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Copyright (C) 2023 Romain Dolbeau <romain@dolbeau.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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%*/
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import java.io.*;
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import java.util.*;
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import java.nio.*;
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import org.usb4java.*;
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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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" -n <number> Sector to start read/writing from/to\n" +
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" -f <name> File to read/write\n" +
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" -w Write instead of read\n" +
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" -s <number> How many bytes to read\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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// ******* Test0 ***************************************************************
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// *****************************************************************************
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class FlashSend extends Ztex1v1 {
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// ******* FlashSend **********************************************************
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// constructor
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public FlashSend ( ZtexDevice1 pDev ) throws UsbException {
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super ( pDev );
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}
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// ******* doRead **************************************************************
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// write the file
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public void doRead (int sector, int size, File f) throws UsbException, InvalidFirmwareException, CapabilityException, FileNotFoundException, IOException, ParameterException {
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int flashSectorSize = flashSectorSize();
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long totalSec = (size + flashSectorSize - 1) / flashSectorSize;
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long bufLen = totalSec * flashSectorSize;
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byte[] filedata = new byte[(int)bufLen];
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//FileInputStream fis = new FileInputStream(f);
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//fis.read(filedata);
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//fis.close();
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int secNum = Math.max(1, 2048 / flashSectorSize );
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byte[] wBuf = new byte[flashSectorSize * secNum];
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long i;
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if ((sector + totalSec) > flashSectors()) {
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throw new ParameterException("File request too large");
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}
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System.out.println("Going to read the file '" + f.getName() + "' of size " + size + " bytes to " + totalSec + " sector(s) at offset " + sector + "");
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long t0 = new Date().getTime();
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for (i = 0 ; i < totalSec ; i += secNum) {
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int j = Math.min((int)(totalSec - i), secNum);
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System.out.println("Sector " + (i+j) + "/" + totalSec + " " + Math.round(10000.0*(i+j)/totalSec)/100.0 + "% (" + secNum + " sector(s))");
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flashReadSector((int)(sector + i), j, wBuf);
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System.arraycopy(wBuf,0,filedata,(int)(flashSectorSize*i),flashSectorSize*j);
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}
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t0 = new Date().getTime() - t0;
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System.out.println("Reading " + size + " bytes (" + totalSec + " sectors) took " + t0 + " millisecons");
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FileOutputStream fis = new FileOutputStream(f);
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fis.write(filedata, 0, size);
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fis.close();
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}
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// ******* doWrite **************************************************************
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// write the file
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public void doWrite (int sector, File f ) throws UsbException, InvalidFirmwareException, CapabilityException, FileNotFoundException, IOException, ParameterException {
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int flashSectorSize = flashSectorSize();
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long totalSec = (f.length() + flashSectorSize - 1) / flashSectorSize;
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long bufLen = totalSec * flashSectorSize;
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byte[] filedata = new byte[(int)bufLen];
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FileInputStream fis = new FileInputStream(f);
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fis.read(filedata);
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fis.close();
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int secNum = Math.max(1, 2048 / flashSectorSize );
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byte[] wBuf = new byte[flashSectorSize * secNum];
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long i;
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if ((sector + totalSec) > flashSectors()) {
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throw new ParameterException("File won't fit");
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}
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System.out.println("Going to write the file '" + f.getName() + "' of size " + f.length() + " bytes to " + totalSec + " sector(s) at offset " + sector + "");
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long t0 = new Date().getTime();
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for (i = 0 ; i < totalSec ; i += secNum) {
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int j = Math.min((int)(totalSec - i), secNum);
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System.arraycopy(filedata,(int)(flashSectorSize*i),wBuf,0,flashSectorSize*j);
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System.out.println("Sector " + (i+j) + "/" + totalSec + " " + Math.round(10000.0*(i+j)/totalSec)/100.0 + "% (" + secNum + " sector(s))");
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flashWriteSector((int)(sector + i), j, wBuf);
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}
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t0 = new Date().getTime() - t0;
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System.out.println("Writing " + f.length() + " bytes (" + totalSec + " sectors) took " + t0 + " millisecons");
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}
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// ******* main ****************************************************************
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public static void main (String args[]) {
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int devNum = 0;
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int sector = -1; // fail as default
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String filename = null;
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boolean doRead = true, doWrite = false;
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int size = -1;
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if ( ! System.getProperty("os.name").equalsIgnoreCase("linux") ) {
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Runtime.getRuntime().addShutdownHook(new Thread() {
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public void run() {
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Scanner s=new Scanner(System.in);
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System.out.println("Press <enter> to continue ...");
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s.nextLine();
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}
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});
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}
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try {
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// Scan the USB. This also creates and initializes a new USB context.
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ZtexScanBus1 bus = new ZtexScanBus1( ZtexDevice1.ztexVendorId, ZtexDevice1.ztexProductId, true, false, 1);
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// scan the command line arguments
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for (int i=0; i<args.length; i++ ) {
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if ( args[i].equals("-d") ) {
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i++;
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try {
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if (i>=args.length) throw new Exception();
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devNum = Integer.parseInt( args[i] );
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}
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catch (Exception e) {
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throw new ParameterException("Device number expected after -d");
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}
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}
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else if ( args[i].equals("-n") ) {
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i++;
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try {
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if (i>=args.length) throw new Exception();
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sector = Integer.parseInt( args[i] );
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}
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catch (Exception e) {
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throw new ParameterException("Offset expected after -n");
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}
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}
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else if ( args[i].equals("-f") ) {
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i++;
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try {
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if (i>=args.length) throw new Exception();
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filename = args[i];
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}
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catch (Exception e) {
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throw new ParameterException("Filename expected after -p");
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}
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}
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else if ( args[i].equals("-s") ) {
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i++;
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try {
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if (i>=args.length) throw new Exception();
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size = Integer.parseInt( args[i] );
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}
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catch (Exception e) {
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throw new ParameterException("Size expected after -s");
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}
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}
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else if ( args[i].equals("-w") ) {
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doRead = false;
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doWrite = true;
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}
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else if ( args[i].equals("-p") ) {
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bus.printBus(System.out);
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System.exit(0);
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}
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else if ( args[i].equals("-h") ) {
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System.err.println(ParameterException.helpMsg);
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System.exit(0);
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}
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else throw new ParameterException("Invalid Parameter: "+args[i]);
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}
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// create the main class
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if ( bus.numberOfDevices() <= 0) {
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System.err.println("No devices found");
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System.exit(0);
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}
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FlashSend ztex = new FlashSend ( bus.device(devNum) );
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bus.unref();
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// print some information
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System.out.println("Capabilities: " + ztex.capabilityInfo(", "));
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if ( ztex.interfaceCapabilities(CAPABILITY_FLASH) ) {
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System.out.println("Primary Flash enabled: " + ztex.flashEnabled());
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System.out.println("Primary Flash sector size: " + ztex.toHumanStr(ztex.flashSectorSize())+" Bytes");
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System.out.println("Primary Flash size: " + ztex.toHumanStr(ztex.flashSize())+" Bytes");
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} else {
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throw new ParameterException("Currently write only to Primary Flash, which is not available.");
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}
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if ( ztex.interfaceCapabilities(CAPABILITY_FLASH2) ) {
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System.out.println("Secondary Flash enabled: " + ztex.flash2Enabled());
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System.out.println("Secondary Flash sector size: " + ztex.toHumanStr(ztex.flash2SectorSize())+" Bytes");
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System.out.println("Secondary Flash size: " + ztex.toHumanStr(ztex.flash2Size())+" Bytes");
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}
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if (sector < 0) {
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throw new ParameterException("Sector to start must be specified as a positive integer, it is recommened to be higher than the reserved area.");
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}
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if (filename == null) {
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throw new ParameterException("Non-existent filename: " + (filename == null ? "(null)": "filename" ));
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}
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if (doWrite) {
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File f = new File(filename);
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if (!f.exists() || !f.isFile() || !f.canRead() || f.length() == 0) {
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throw new ParameterException("Impossible to access specific filename: " + (filename == null ? "(null)": "filename" ));
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}
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if (f.length() > (16*1024*1024)) {
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throw new ParameterException("File seems too large at " + f.length() + "bytes." );
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}
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ztex.doWrite(sector, f);
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}
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else if (doRead) {
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File f = new File(filename);
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if (f.exists()) {
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throw new ParameterException("File '" + filename + "' exists, overwrite not supported.\n");
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}
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if (size <= 0) {
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throw new ParameterException("Can't read " + size + "bytes");
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}
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ztex.doRead(sector, size, f);
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}
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// release resources
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ztex.dispose();
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}
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catch (Exception e) {
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System.out.println("Error: "+e.getLocalizedMessage() );
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}
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}
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}
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21
flashsend/Makefile
Normal file
21
flashsend/Makefile
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@ -0,0 +1,21 @@
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#########################
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# configuration section #
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#########################
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ZTEXPREFIX=../..
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JARTARGET=FlashSend.jar
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CLASSTARGETS=FlashSend.class
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CLASSEXTRADEPS=
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#CLASSEXTRADEPS:=$(wildcard $(ZTEXPREFIX)/java/ztex/*.java)
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IHXTARGETS=
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IHXEXTRADEPS=
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#IHXEXTRADEPS:=$(wildcard $(ZTEXPREFIX)/include/*.h)
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EXTRAJARFILES=
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################################
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# DO NOT CHANAGE THE FOLLOWING #
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################################
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include $(ZTEXPREFIX)/Makefile.mk
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