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<div class="subTitle">ztex</div>
<h2 title="Class ZtexUsbWriter" class="title">Class ZtexUsbWriter</h2>
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<li>java.lang.Object</li>
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<li>ztex.ZtexUsbWriter</li>
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<pre>public class <span class="strong">ZtexUsbWriter</span>
extends java.lang.Object</pre>
<div class="block">A helper class to implement asynchronous bulk and interrupt write transfers.</div>
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<td class="colOne"><code><strong><a href="../ztex/ZtexUsbWriter.html#ZtexUsbWriter(org.usb4java.DeviceHandle,%20int,%20boolean,%20int,%20int)">ZtexUsbWriter</a></strong>(org.usb4java.DeviceHandle p_handle,
int p_ep,
boolean p_isInt,
int p_bufNum,
int p_bufSize)</code>
<div class="block">Creates the writer for a given USB device and endpoint number.</div>
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<td class="colOne"><code><strong><a href="../ztex/ZtexUsbWriter.html#ZtexUsbWriter(ztex.Ztex1,%20int,%20boolean,%20int,%20int)">ZtexUsbWriter</a></strong>(<a href="../ztex/Ztex1.html" title="class in ztex">Ztex1</a> ztex,
int p_ep,
boolean p_isInt,
int p_bufNum,
int p_bufSize)</code>
<div class="block">Creates the writer from a given ZTEX device and endpoint number.</div>
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<td class="colOne"><code><strong><a href="../ztex/ZtexUsbWriter.html#ZtexUsbWriter(ztex.Ztex1v1,%20int,%20int)">ZtexUsbWriter</a></strong>(<a href="../ztex/Ztex1v1.html" title="class in ztex">Ztex1v1</a> ztex,
int p_bufNum,
int p_bufSize)</code>
<div class="block">Creates the writer for the input endpoint of the default interface of a ZTEX device.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#bufSize()">bufSize</a></strong>()</code>
<div class="block">Return the buffer size.</div>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#byteCount()">byteCount</a></strong>()</code>
<div class="block">Return the number of bytes transmitted.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#cancel()">cancel</a></strong>()</code>
<div class="block">Cancels all pending transfers, also see <a href="../ztex/ZtexUsbWriter.html#cancelWait(int)"><code>cancelWait(int)</code></a>.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#cancelWait(int)">cancelWait</a></strong>(int timeout)</code>
<div class="block">Cancels all pending transfers and waits until transfers are canceled.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#transmitBuffer(byte[],%20int)">transmitBuffer</a></strong>(byte[] buf,
int timeout)</code>
<div class="block">Transmit the next buffer.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#transmitBuffer(byte[],%20int,%20int)">transmitBuffer</a></strong>(byte[] buf,
int maxLen,
int timeout)</code>
<div class="block">Transmit the next buffer.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../ztex/ZtexUsbWriter.html#wait(int)">wait</a></strong>(int timeout)</code>
<div class="block">Waits until all pending transfers are finished or canceled.</div>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ZtexUsbWriter</h4>
<pre>public ZtexUsbWriter(org.usb4java.DeviceHandle p_handle,
int p_ep,
boolean p_isInt,
int p_bufNum,
int p_bufSize)</pre>
<div class="block">Creates the writer for a given USB device and endpoint number.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>p_handle</code> - The device handle used for communication (must be opened).</dd><dd><code>p_ep</code> - The input endpoint.</dd><dd><code>p_isInt</code> - True if it is an interrupt transfer.</dd><dd><code>p_bufSize</code> - size of each buffer. Typical values are 64KByte to 512KByte</dd><dd><code>p_bufNum</code> - number of buffer. Recommended queue size are 2MByte to 8MByte.</dd></dl>
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<pre>public ZtexUsbWriter(<a href="../ztex/Ztex1.html" title="class in ztex">Ztex1</a> ztex,
int p_ep,
boolean p_isInt,
int p_bufNum,
int p_bufSize)</pre>
<div class="block">Creates the writer from a given ZTEX device and endpoint number.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ztex</code> - The ZTEX device.</dd><dd><code>p_ep</code> - The number of the input endpoint</dd><dd><code>p_isInt</code> - True if it is an interrupt transfer.</dd><dd><code>p_bufSize</code> - size of each buffer. Typical values are 64KByte to 512KByte</dd><dd><code>p_bufNum</code> - number of buffer. Recommended queue size is 2MByte to 8MByte.</dd></dl>
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<pre>public ZtexUsbWriter(<a href="../ztex/Ztex1v1.html" title="class in ztex">Ztex1v1</a> ztex,
int p_bufNum,
int p_bufSize)
throws <a href="../ztex/InvalidFirmwareException.html" title="class in ztex">InvalidFirmwareException</a>,
<a href="../ztex/UsbException.html" title="class in ztex">UsbException</a>,
<a href="../ztex/CapabilityException.html" title="class in ztex">CapabilityException</a></pre>
<div class="block">Creates the writer for the input endpoint of the default interface of a ZTEX device.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ztex</code> - The ZTEX device.</dd><dd><code>p_bufSize</code> - size of each buffer. Typical values are 64KByte to 512KByte</dd><dd><code>p_bufNum</code> - number of buffer. Recommended queue size is 2MByte to 8MByte.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../ztex/InvalidFirmwareException.html" title="class in ztex">InvalidFirmwareException</a></code></dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd>
<dd><code><a href="../ztex/CapabilityException.html" title="class in ztex">CapabilityException</a></code></dd></dl>
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<h4>transmitBuffer</h4>
<pre>public int transmitBuffer(byte[] buf,
int maxLen,
int timeout)
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
<div class="block">Transmit the next buffer.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buf</code> - The byte array which contains the data.</dd><dd><code>maxLen</code> - Maximum amount of data to transmit. If it is larger than the buffer size the last bytes are ignored.</dd><dd><code>timeout</code> - Timeout in ms. If timeout occurs the function returns -1.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The number of bytes transmitted or -1 if timeout occurs.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>UsbExecption</code> - if an error occurred.</dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
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<pre>public int transmitBuffer(byte[] buf,
int timeout)
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
<div class="block">Transmit the next buffer.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buf</code> - The byte array which contains the data. If the array is larger than the buffer size the last bytes are ignored.</dd><dd><code>timeout</code> - Timeout in ms. If timeout occurs the function returns -1.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The number of bytes transmitted or -1 if timeout occurs.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>UsbExecption</code> - if an error occurred.</dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
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<h4>byteCount</h4>
<pre>public long byteCount()</pre>
<div class="block">Return the number of bytes transmitted.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The number of bytes transmitted.</dd></dl>
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<h4>bufSize</h4>
<pre>public int bufSize()</pre>
<div class="block">Return the buffer size.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The buffer size.</dd></dl>
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<h4>cancel</h4>
<pre>public void cancel()
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
<div class="block">Cancels all pending transfers, also see <a href="../ztex/ZtexUsbWriter.html#cancelWait(int)"><code>cancelWait(int)</code></a>.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>UsbExecption</code> - if an error occurred.</dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
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<h4>wait</h4>
<pre>public boolean wait(int timeout)
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
<div class="block">Waits until all pending transfers are finished or canceled.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - Timeout in ms</dd>
<dt><span class="strong">Returns:</span></dt><dd>True if all transfers are finished or cancelled</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>UsbExecption</code> - if an error occurred.</dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
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<h4>cancelWait</h4>
<pre>public boolean cancelWait(int timeout)
throws <a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></pre>
<div class="block">Cancels all pending transfers and waits until transfers are canceled.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - Timeout in ms</dd>
<dt><span class="strong">Returns:</span></dt><dd>True if all transfers or cancelled.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>UsbExecption</code> - if an error occurred.</dd>
<dd><code><a href="../ztex/UsbException.html" title="class in ztex">UsbException</a></code></dd></dl>
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