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Usb_Interface_Descriptor
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ch.ntb.usb</FONT>
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Class Usb_Interface_Descriptor</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../ch/ntb/usb/Usb_Descriptor.html" title="class in ch.ntb.usb">ch.ntb.usb.Usb_Descriptor</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>ch.ntb.usb.Usb_Interface_Descriptor</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>Usb_Interface_Descriptor</B><DT>extends <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html" title="class in ch.ntb.usb">Usb_Descriptor</A></DL>
</PRE>
<P>
Represents the descriptor of a USB interface.<br>
The interface descriptor could be seen as a header or grouping of the
endpoints into a functional group performing a single feature of the device.<br>
<br>
The length of the interface descriptor is
<A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_INTERFACE_SIZE"><CODE>Usb_Descriptor.USB_DT_INTERFACE_SIZE</CODE></A> and the type is
<A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_INTERFACE"><CODE>Usb_Descriptor.USB_DT_INTERFACE</CODE></A>.
<P>
<P>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#USB_MAXINTERFACES">USB_MAXINTERFACES</A></B></CODE>
<BR>
Maximum number of interfaces</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_ch.ntb.usb.Usb_Descriptor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class ch.ntb.usb.<A HREF="../../../ch/ntb/usb/Usb_Descriptor.html" title="class in ch.ntb.usb">Usb_Descriptor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_CONFIG">USB_DT_CONFIG</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_CONFIG_SIZE">USB_DT_CONFIG_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_DEVICE">USB_DT_DEVICE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_DEVICE_SIZE">USB_DT_DEVICE_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_ENDPOINT">USB_DT_ENDPOINT</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_ENDPOINT_AUDIO_SIZE">USB_DT_ENDPOINT_AUDIO_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_ENDPOINT_SIZE">USB_DT_ENDPOINT_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_HID">USB_DT_HID</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_HUB">USB_DT_HUB</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_HUB_NONVAR_SIZE">USB_DT_HUB_NONVAR_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_INTERFACE">USB_DT_INTERFACE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_INTERFACE_SIZE">USB_DT_INTERFACE_SIZE</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_PHYSICAL">USB_DT_PHYSICAL</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_REPORT">USB_DT_REPORT</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#USB_DT_STRING">USB_DT_STRING</A></CODE></TD>
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<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#Usb_Interface_Descriptor()">Usb_Interface_Descriptor</A></B>()</CODE>
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<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBAlternateSetting()">getBAlternateSetting</A></B>()</CODE>
<BR>
Returns the value used to select the alternate setting (<A HREF="../../../ch/ntb/usb/LibusbJava.html#usb_set_altinterface(long, int)"><CODE>LibusbJava.usb_set_altinterface(long, int)</CODE></A>).</TD>
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<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBInterfaceClass()">getBInterfaceClass</A></B>()</CODE>
<BR>
Returns the class code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBInterfaceNumber()">getBInterfaceNumber</A></B>()</CODE>
<BR>
Returns the number (identifier) of this interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBInterfaceProtocol()">getBInterfaceProtocol</A></B>()</CODE>
<BR>
Returns the protocol code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBInterfaceSubClass()">getBInterfaceSubClass</A></B>()</CODE>
<BR>
Returns the subclass code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getBNumEndpoints()">getBNumEndpoints</A></B>()</CODE>
<BR>
Returns the number of endpoints used for this interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../ch/ntb/usb/Usb_Endpoint_Descriptor.html" title="class in ch.ntb.usb">Usb_Endpoint_Descriptor</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getEndpoint()">getEndpoint</A></B>()</CODE>
<BR>
Returns an array of endpoint descriptors.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getExtra()">getExtra</A></B>()</CODE>
<BR>
Returns the data of extra descriptor(s) if available.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getExtralen()">getExtralen</A></B>()</CODE>
<BR>
Returns the number of bytes of the extra descriptor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#getIInterface()">getIInterface</A></B>()</CODE>
<BR>
Returns the index of the String descriptor describing this interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../ch/ntb/usb/Usb_Interface_Descriptor.html#toString()">toString</A></B>()</CODE>
<BR>
</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_ch.ntb.usb.Usb_Descriptor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class ch.ntb.usb.<A HREF="../../../ch/ntb/usb/Usb_Descriptor.html" title="class in ch.ntb.usb">Usb_Descriptor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#getBDescriptorType()">getBDescriptorType</A>, <A HREF="../../../ch/ntb/usb/Usb_Descriptor.html#getBLength()">getBLength</A></CODE></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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<A NAME="USB_MAXINTERFACES"><!-- --></A><H3>
USB_MAXINTERFACES</H3>
<PRE>
public static final int <B>USB_MAXINTERFACES</B></PRE>
<DL>
<DD>Maximum number of interfaces
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#ch.ntb.usb.Usb_Interface_Descriptor.USB_MAXINTERFACES">Constant Field Values</A></DL>
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<A NAME="Usb_Interface_Descriptor()"><!-- --></A><H3>
Usb_Interface_Descriptor</H3>
<PRE>
public <B>Usb_Interface_Descriptor</B>()</PRE>
<DL>
</DL>
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toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
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<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getBAlternateSetting()"><!-- --></A><H3>
getBAlternateSetting</H3>
<PRE>
public byte <B>getBAlternateSetting</B>()</PRE>
<DL>
<DD>Returns the value used to select the alternate setting (<A HREF="../../../ch/ntb/usb/LibusbJava.html#usb_set_altinterface(long, int)"><CODE>LibusbJava.usb_set_altinterface(long, int)</CODE></A>).<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the alternate setting</DL>
</DD>
</DL>
<HR>
<A NAME="getBInterfaceClass()"><!-- --></A><H3>
getBInterfaceClass</H3>
<PRE>
public byte <B>getBInterfaceClass</B>()</PRE>
<DL>
<DD>Returns the class code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the class code</DL>
</DD>
</DL>
<HR>
<A NAME="getBInterfaceNumber()"><!-- --></A><H3>
getBInterfaceNumber</H3>
<PRE>
public byte <B>getBInterfaceNumber</B>()</PRE>
<DL>
<DD>Returns the number (identifier) of this interface.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the number (identifier) of this interface</DL>
</DD>
</DL>
<HR>
<A NAME="getBInterfaceProtocol()"><!-- --></A><H3>
getBInterfaceProtocol</H3>
<PRE>
public byte <B>getBInterfaceProtocol</B>()</PRE>
<DL>
<DD>Returns the protocol code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the protocol code</DL>
</DD>
</DL>
<HR>
<A NAME="getBInterfaceSubClass()"><!-- --></A><H3>
getBInterfaceSubClass</H3>
<PRE>
public byte <B>getBInterfaceSubClass</B>()</PRE>
<DL>
<DD>Returns the subclass code (Assigned by <a
href="http://www.usb.org">www.usb.org</a>).<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the subclass code</DL>
</DD>
</DL>
<HR>
<A NAME="getBNumEndpoints()"><!-- --></A><H3>
getBNumEndpoints</H3>
<PRE>
public byte <B>getBNumEndpoints</B>()</PRE>
<DL>
<DD>Returns the number of endpoints used for this interface.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the number of endpoints used for this interface</DL>
</DD>
</DL>
<HR>
<A NAME="getEndpoint()"><!-- --></A><H3>
getEndpoint</H3>
<PRE>
public <A HREF="../../../ch/ntb/usb/Usb_Endpoint_Descriptor.html" title="class in ch.ntb.usb">Usb_Endpoint_Descriptor</A>[] <B>getEndpoint</B>()</PRE>
<DL>
<DD>Returns an array of endpoint descriptors.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>an array of endpoint descriptors</DL>
</DD>
</DL>
<HR>
<A NAME="getExtra()"><!-- --></A><H3>
getExtra</H3>
<PRE>
public byte[] <B>getExtra</B>()</PRE>
<DL>
<DD>Returns the data of extra descriptor(s) if available.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>null or a byte array with the extra descriptor data</DL>
</DD>
</DL>
<HR>
<A NAME="getExtralen()"><!-- --></A><H3>
getExtralen</H3>
<PRE>
public int <B>getExtralen</B>()</PRE>
<DL>
<DD>Returns the number of bytes of the extra descriptor.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the number of bytes of the extra descriptor</DL>
</DD>
</DL>
<HR>
<A NAME="getIInterface()"><!-- --></A><H3>
getIInterface</H3>
<PRE>
public byte <B>getIInterface</B>()</PRE>
<DL>
<DD>Returns the index of the String descriptor describing this interface.<br>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the index of the String descriptor</DL>
</DD>
</DL>
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