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URL https://opencores.org/ocsvn/usb_fpga_1_11/usb_fpga_1_11/trunk

Subversion Repositories usb_fpga_1_11

[/] [usb_fpga_1_11/] [trunk/] [java/] [ztex/] [Ztex1.java] - Diff between revs 5 and 6

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Rev 5 Rev 6
Line 42... Line 42...
public class Ztex1 {
public class Ztex1 {
    private final int maxDevNum = 1023;
    private final int maxDevNum = 1023;
    private long handle;
    private long handle;
    private ZtexDevice1 dev = null;
    private ZtexDevice1 dev = null;
    private boolean oldDevices[] = new boolean[maxDevNum+1];
    private boolean oldDevices[] = new boolean[maxDevNum+1];
 
    private int oldDevNum = -1;
    private String usbBusName = null;
    private String usbBusName = null;
    private boolean[] interfaceClaimed = new boolean[256];
    private boolean[] interfaceClaimed = new boolean[256];
 
    private boolean configurationSet = false;
/** * Setting to true enables certain workarounds, e.g. to deal with bad driver/OS implementations. */
/** * Setting to true enables certain workarounds, e.g. to deal with bad driver/OS implementations. */
    public boolean certainWorkarounds = false;
    public boolean certainWorkarounds = false;
/** * The timeout for  control messages in ms. */
/** * The timeout for  control messages in ms. */
    public int controlMsgTimeout = 1000;        // in ms
    public int controlMsgTimeout = 1000;        // in ms
    private long lastVendorCommandT = 0;
    private long lastVendorCommandT = 0;
Line 318... Line 320...
  * @throws UsbException if an error occurs while attempting to set the configuration.
  * @throws UsbException if an error occurs while attempting to set the configuration.
  */
  */
    public void setConfiguration ( int config) throws UsbException{
    public void setConfiguration ( int config) throws UsbException{
        if ( LibusbJava.usb_set_configuration(handle(), config) < 0 )
        if ( LibusbJava.usb_set_configuration(handle(), config) < 0 )
            throw new UsbException("Setting configuration to " + config + " failed: " + LibusbJava.usb_strerror());
            throw new UsbException("Setting configuration to " + config + " failed: " + LibusbJava.usb_strerror());
 
        configurationSet = true;
    }
    }
 
 
 
 
// ******* trySetConfiguration ****************************************************
// ******* trySetConfiguration ****************************************************
/**
/**
Line 330... Line 333...
  * @param config The configuration number (usually 1)
  * @param config The configuration number (usually 1)
  */
  */
    public void trySetConfiguration ( int config) {
    public void trySetConfiguration ( int config) {
        if ( LibusbJava.usb_set_configuration(handle(), config) < 0 )
        if ( LibusbJava.usb_set_configuration(handle(), config) < 0 )
            System.err.println("Setting configuration to " + config + " failed: " + LibusbJava.usb_strerror());
            System.err.println("Setting configuration to " + config + " failed: " + LibusbJava.usb_strerror());
 
        configurationSet = true;
    }
    }
 
 
 
 
// ******* getInterfaceClaimed *************************************************
// ******* getInterfaceClaimed *************************************************
/**
/**
Line 351... Line 355...
  * Claims an interface.
  * Claims an interface.
  * @param iface The interface number (usually 0)
  * @param iface The interface number (usually 0)
  * @throws UsbException if an error occurs while attempting to claim the interface.
  * @throws UsbException if an error occurs while attempting to claim the interface.
  */
  */
    public void claimInterface ( int iface) throws UsbException{
    public void claimInterface ( int iface) throws UsbException{
 
        if ( ! configurationSet )
 
            trySetConfiguration(1);
        if ( ( iface<0 || iface>=256 || (! interfaceClaimed[iface]) ) && ( LibusbJava.usb_claim_interface(handle(), iface) < 0 ) )
        if ( ( iface<0 || iface>=256 || (! interfaceClaimed[iface]) ) && ( LibusbJava.usb_claim_interface(handle(), iface) < 0 ) )
            throw new UsbException("Claiming interface " + iface + " failed: " + LibusbJava.usb_strerror());
            throw new UsbException("Claiming interface " + iface + " failed: " + LibusbJava.usb_strerror());
        if ( iface>=0 && iface < 256 )
        if ( iface>=0 && iface < 256 )
            interfaceClaimed[iface]=true;
            interfaceClaimed[iface]=true;
    }
    }
Line 374... Line 380...
    }
    }
 
 
 
 
// ******* findOldDevices ******************************************************
// ******* findOldDevices ******************************************************
    private synchronized void findOldDevices () throws DeviceLostException {
    private synchronized void findOldDevices () throws DeviceLostException {
        Usb_Bus bus = dev.dev().getBus();
        usbBusName = dev.dev().getBus().getDirname();
        usbBusName = bus.getDirname();
 
 
        Usb_Bus bus = LibusbJava.usb_get_busses();
 
        while ( bus != null && ! bus.getDirname().equals(usbBusName) )
 
            bus = bus.getNext();
 
        if ( bus == null )
 
                throw new DeviceLostException( "findOldDevice: Bus dissapeared" );
 
 
        for ( int i=0; i<=maxDevNum; i++ )
        for ( int i=0; i<=maxDevNum; i++ )
            oldDevices[i] = false;
            oldDevices[i] = false;
 
 
        Usb_Device d = bus.getDevices();
        Usb_Device d = bus.getDevices();
Line 389... Line 400...
                throw new DeviceLostException( "Device number too large: " + b + " > " + maxDevNum );
                throw new DeviceLostException( "Device number too large: " + b + " > " + maxDevNum );
            if ( b > 0 )
            if ( b > 0 )
                oldDevices[b] = true;
                oldDevices[b] = true;
            d = d.getNext();
            d = d.getNext();
        }
        }
        oldDevices[dev.dev().getDevnum()] = false;
        oldDevNum = dev.dev().getDevnum();
    }
    }
 
 
// ******* findNewDevice *******************************************************
// ******* findNewDevice *******************************************************
    private synchronized Usb_Device findNewDevice ( String errMsg ) throws DeviceLostException {
    private synchronized Usb_Device findNewDevice ( String errMsg ) throws DeviceLostException {
        Usb_Device newDev = null;
        Usb_Device newDev = null;
Line 401... Line 412...
        LibusbJava.usb_find_devices();
        LibusbJava.usb_find_devices();
 
 
        Usb_Bus bus = LibusbJava.usb_get_busses();
        Usb_Bus bus = LibusbJava.usb_get_busses();
        while ( bus != null && ! bus.getDirname().equals(usbBusName) )
        while ( bus != null && ! bus.getDirname().equals(usbBusName) )
            bus = bus.getNext();
            bus = bus.getNext();
 
        if ( bus == null )
 
                throw new DeviceLostException( "findNewDevice: Bus dissapeared" );
 
 
        Usb_Device d = bus != null ? bus.getDevices() : null;
        Usb_Device d = bus != null ? bus.getDevices() : null;
        while ( d != null ) {
        while ( d != null ) {
            byte b = d.getDevnum();
            byte b = d.getDevnum();
            if ( b > maxDevNum )
            if ( b > maxDevNum )
Line 422... Line 435...
 
 
// ******* initNewDevice *******************************************************
// ******* initNewDevice *******************************************************
    private void initNewDevice ( String errBase, boolean scanUnconfigured ) throws DeviceLostException, UsbException, InvalidFirmwareException {
    private void initNewDevice ( String errBase, boolean scanUnconfigured ) throws DeviceLostException, UsbException, InvalidFirmwareException {
// scan the bus for up to 60 s for a new device. Boot sequence may take a while.
// scan the bus for up to 60 s for a new device. Boot sequence may take a while.
        Usb_Device newDev = null;
        Usb_Device newDev = null;
        for ( int i=0; i<300 && newDev==null; i++ ) {
        int i;
 
        for ( i=0; i<300 && newDev==null; i++ ) {
            try {
            try {
                Thread.sleep( 200 );
                Thread.sleep( 200 );
            }
            }
                catch ( InterruptedException e ) {
                catch ( InterruptedException e ) {
            }
            }
 
            if ( i > 10 && oldDevNum >= 0 && oldDevNum < maxDevNum )
 
                oldDevices[oldDevNum ] = false;
            newDev = findNewDevice( errBase + ": " );
            newDev = findNewDevice( errBase + ": " );
        }
        }
 
        oldDevNum = -1;
        if ( newDev == null )
        if ( newDev == null )
            throw new DeviceLostException( errBase + ": No new device found" );
            throw new DeviceLostException( errBase + ": No new device found" );
 
 
// init new device
// init new device
        Usb_Device_Descriptor dd = newDev.getDescriptor();
        Usb_Device_Descriptor dd = newDev.getDescriptor();

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