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package ztex;
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package ztex;
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import java.io.*;
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import java.io.*;
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import java.util.*;
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import java.util.*;
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/**
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* Represents a firmware image with ZTEX descriptor 1 loaded from an ihx (Intel Hex format) file. <br>
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* The ZTEX descriptor is usually located at the position 0x6x of the firmware image. <br>
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* A description of the ZTEX descriptor 1 can be found in {@link ZtexDevice1}.
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* @see ZtexDevice1
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* @see Ztex1
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*/
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public class ZtexIhxFile1 extends IhxFile {
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public class ZtexIhxFile1 extends IhxFile {
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private static final int defaultZtexDescriptorOffs = 0x6c;
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private static final int defaultZtexDescriptorOffs = 0x6c;
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private int ztexDescriptorOffs = defaultZtexDescriptorOffs;
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private int ztexDescriptorOffs = defaultZtexDescriptorOffs;
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private byte productId[] = { 0,0,0,0 }; // product ID from the ZTEX descpriptor, not the USB product ID
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private byte productId[] = { 0,0,0,0 }; // product ID from the ZTEX descriptor, not the USB product ID
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private byte fwVersion = 0;
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private byte fwVersion = 0;
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private byte interfaceVersion = 0;
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private byte interfaceVersion = 0;
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private byte interfaceCapabilities[] = { 0,0,0,0, 0,0 };
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private byte interfaceCapabilities[] = { 0,0,0,0, 0,0 };
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private byte moduleReserved[] = { 0,0,0,0, 0,0,0,0, 0,0,0,0 };
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private byte moduleReserved[] = { 0,0,0,0, 0,0,0,0, 0,0,0,0 };
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private char snString[] = new char[10];
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private char snString[] = new char[10];
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// ******* ZtexIhxFile1 ********************************************************
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// ******* ZtexIhxFile1 ********************************************************
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/**
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* Constructs an instance from a given file name and descriptor position.<br>
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* This method can also read system resources, e.g. files from the current jar archive.
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* @param fileName The file name.
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* @param pZtexDescriptorOffs The position of the descriptor in bytes. The default position is 0x6c.
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* @throws IOException If an read error occurred.
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* @throws IhxFileDamagedException If the ihx file is damaged.
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* @throws IncompatibleFirmwareException If the firmware image contains no valid ZTEX descriptor 1 at the specified position.
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*/
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public ZtexIhxFile1( String fileName, int pZtexDescriptorOffs ) throws IOException, IhxFileDamagedException, IncompatibleFirmwareException {
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public ZtexIhxFile1( String fileName, int pZtexDescriptorOffs ) throws IOException, IhxFileDamagedException, IncompatibleFirmwareException {
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super( fileName );
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super( fileName );
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ztexDescriptorOffs = pZtexDescriptorOffs;
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ztexDescriptorOffs = pZtexDescriptorOffs;
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else {
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else {
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throw new IncompatibleFirmwareException( "Invalid serial number string" );
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throw new IncompatibleFirmwareException( "Invalid serial number string" );
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}
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}
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}
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}
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// ensure word bounded upload data
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// ensure word aligned upload data
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for ( int i=0; i+1<ihxData.length; i+=2 )
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for ( int i=0; i+1<ihxData.length; i+=2 )
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if ( ihxData[i]<0 && ihxData[i+1]>=0 )
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if ( ihxData[i]<0 && ihxData[i+1]>=0 )
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ihxData[i] = 0;
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ihxData[i] = 0;
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}
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}
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/**
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* Constructs an instance from a given file name.
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* The ZTEX descriptor 1 is expected to be at the position 0x6c of the firmware image.<br>
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* This method can also read system resources, e.g. files from the current jar archive.
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* @param fileName The file name.
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* @throws IOException If an read error occurred.
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* @throws IhxFileDamagedException If the ihx file is damaged.
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* @throws IncompatibleFirmwareException If the firmware image contains no valid ZTEX descriptor 1 at the specified position.
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*/
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public ZtexIhxFile1( String fileName ) throws IOException, IhxFileDamagedException, IncompatibleFirmwareException {
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public ZtexIhxFile1( String fileName ) throws IOException, IhxFileDamagedException, IncompatibleFirmwareException {
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this( fileName, defaultZtexDescriptorOffs );
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this( fileName, defaultZtexDescriptorOffs );
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}
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}
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// ******* productId ***********************************************************
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// ******* productId ***********************************************************
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/**
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* Returns the product ID (all 4 bytes).
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* @return PRODUCT_ID, see {@link ZtexDevice1}.
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*/
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public final byte[] productId() {
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public final byte[] productId() {
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return productId;
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return productId;
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}
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}
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/**
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* Returns byte i of the product ID.
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* @return PRODUCT_ID[i], see {@link ZtexDevice1}.
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* @param i index
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*/
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public int productId( int i ) {
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public int productId( int i ) {
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return productId[i] & 255;
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return productId[i] & 255;
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}
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}
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// ******* fwVersion ***********************************************************
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// ******* fwVersion ***********************************************************
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/**
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* Returns the firmware version.
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* @return FW_VERSION, see {@link ZtexDevice1}.
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*/
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public final int fwVersion() {
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public final int fwVersion() {
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return fwVersion & 255;
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return fwVersion & 255;
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}
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}
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// ******* interfaceVersion *****************************************************
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// ******* interfaceVersion *****************************************************
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/**
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* Returns the interface version.
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* @return INTERFACE_VERSION, see {@link ZtexDevice1}.
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*/
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public final int interfaceVersion() {
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public final int interfaceVersion() {
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return interfaceVersion & 255;
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return interfaceVersion & 255;
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}
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}
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// ******* interfaceCapabilities ************************************************
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// ******* interfaceCapabilities ************************************************
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/**
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* Returns the interface capabilities (all 6 bytes).
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* @return INTERFACE_CAPABILITIES, see {@link ZtexDevice1}.
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*/
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public final byte[] interfaceCapabilities() {
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public final byte[] interfaceCapabilities() {
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return interfaceCapabilities;
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return interfaceCapabilities;
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}
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}
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/**
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* Returns byte i of the interface capabilities.
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* @return INTERFACE_CAPABILITIES[i], see {@link ZtexDevice1}.
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* @param i index
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*/
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public final int interfaceCapabilities( int i ) {
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public final int interfaceCapabilities( int i ) {
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return interfaceCapabilities[i] & 255;
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return interfaceCapabilities[i] & 255;
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}
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}
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// ******* moduleReserved ******************************************************
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// ******* moduleReserved ******************************************************
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/**
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* Returns the application specific information (all 12 bytes).
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* @return MODULE_RESERVED, see {@link ZtexDevice1}.
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*/
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public final byte[] moduleReserved() {
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public final byte[] moduleReserved() {
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return moduleReserved;
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return moduleReserved;
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}
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}
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/**
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* Returns byte i of the application specific information.
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* @return MODULE_RESERVED[i], see {@link ZtexDevice1}.
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* @param i index
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*/
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public final int moduleReserved( int i ) {
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public final int moduleReserved( int i ) {
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return moduleReserved[i] & 255;
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return moduleReserved[i] & 255;
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}
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}
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// ******* snString ************************************************************
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// ******* snString ************************************************************
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/**
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* Returns the serial number string.
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* @return SN_STRING, see {@link ZtexDevice1}.
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*/
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public final String snString() {
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public final String snString() {
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return new String( snString );
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return new String( snString );
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}
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}
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// ******* setSnString **********************************************************
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// ******* setSnString **********************************************************
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/**
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* Modifies the serial number string.
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* @param s The new serial number string which must not be longer then 10 characters.
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*/
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public final void setSnString( String s ) throws IncompatibleFirmwareException {
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public final void setSnString( String s ) throws IncompatibleFirmwareException {
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if ( s.length()>10 )
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if ( s.length()>10 )
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throw new IncompatibleFirmwareException( "Serial number too long (max. 10 characters)" );
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throw new IncompatibleFirmwareException( "Serial number too long (max. 10 characters)" );
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int i=0;
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int i=0;
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ihxData[ztexDescriptorOffs+26+i] = 0;
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ihxData[ztexDescriptorOffs+26+i] = 0;
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}
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}
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}
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}
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// ******* toString ************************************************************
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// ******* toString ************************************************************
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/**
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* Returns a string representation if the instance.
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* @return a string representation if the instance.
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*/
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public String toString () {
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public String toString () {
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return "productID=" + ZtexDevice1.byteArrayString(productId) + " fwVer="+(fwVersion & 255) + " ifVer="+(interfaceVersion & 255)+ " snString=\"" + snString() + "\"";
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return "productID=" + ZtexDevice1.byteArrayString(productId) + " fwVer="+(fwVersion & 255) + " ifVer="+(interfaceVersion & 255)+ " snString=\"" + snString() + "\"";
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}
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}
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}
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}
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