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Kai Lauterbach 17707a6d03 Doxygen configuration added.
2011-12-25 13:48:15 +01:00

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>CTHN.de - LEDCube - commandline client: opendevice.h File Reference</title>
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<div class="header">
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<a href="#define-members">Defines</a> &#124;
<a href="#func-members">Functions</a> </div>
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<div class="title">opendevice.h File Reference</div> </div>
</div>
<div class="contents">
<div class="textblock"><code>#include &lt;usb.h&gt;</code><br/>
<code>#include &lt;stdio.h&gt;</code><br/>
</div><div class="textblock"><div class="dynheader">
Include dependency graph for opendevice.h:</div>
<div class="dyncontent">
<div class="center"><img src="opendevice_8h__incl.png" border="0" usemap="#opendevice_8h" alt=""/></div>
<map name="opendevice_8h" id="opendevice_8h">
</map>
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This graph shows which files directly or indirectly include this file:</div>
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<div class="center"><img src="opendevice_8h__dep__incl.png" border="0" usemap="#opendevice_8hdep" alt=""/></div>
<map name="opendevice_8hdep" id="opendevice_8hdep">
<area shape="rect" id="node3" href="ledcube_8h.html" title="ledcube.h" alt="" coords="5,83,83,112"/><area shape="rect" id="node7" href="opendevice_8c.html" title="opendevice.c" alt="" coords="107,83,205,112"/><area shape="rect" id="node5" href="ledcube_8c.html" title="ledcube.c" alt="" coords="5,160,83,189"/></map>
</div>
</div>
<p><a href="opendevice_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a6d38a8c9d2927333c15aee5d4e118e6c">USBOPEN_SUCCESS</a>&#160;&#160;&#160;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a7740d6b3c1581a07523be3b3d5039c95">USBOPEN_ERR_ACCESS</a>&#160;&#160;&#160;1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a0d2858ff0ca8d95aaf31876e1535a4db">USBOPEN_ERR_IO</a>&#160;&#160;&#160;2</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#aeffd7f45947b1e146f8dfc1c6d94704e">USBOPEN_ERR_NOTFOUND</a>&#160;&#160;&#160;3</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#aa2e64eba4eebb9adac118798df28e8f8">USB_VID_OBDEV_SHARED</a>&#160;&#160;&#160;5824</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a23f57d0a9608bd47ace38f99c3c55c94">USB_PID_OBDEV_SHARED_CUSTOM</a>&#160;&#160;&#160;1500</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#ae19368147b8342f413dd7b6344a5a93e">USB_PID_OBDEV_SHARED_HID</a>&#160;&#160;&#160;1503</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a146854cde323774f09e364b6cb05197c">USB_PID_OBDEV_SHARED_CDCACM</a>&#160;&#160;&#160;1505</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#ae93838e6a6f4fb4abc912165b4d9ee34">USB_PID_OBDEV_SHARED_MIDI</a>&#160;&#160;&#160;1508</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#a75b5f0b18368de18125662f87524b5b0">usbGetStringAscii</a> (usb_dev_handle *dev, int index, char *buf, int buflen)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="opendevice_8h.html#acea645564f1dfcd741ff20038d811ac5">usbOpenDevice</a> (usb_dev_handle **device, int vendorID, char *vendorNamePattern, int productID, char *productNamePattern, char *serialNamePattern, FILE *printMatchingDevicesFp, FILE *warningsFp)</td></tr>
</table>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a146854cde323774f09e364b6cb05197c"></a><!-- doxytag: member="opendevice.h::USB_PID_OBDEV_SHARED_CDCACM" ref="a146854cde323774f09e364b6cb05197c" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USB_PID_OBDEV_SHARED_CDCACM&#160;&#160;&#160;1505</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a23f57d0a9608bd47ace38f99c3c55c94"></a><!-- doxytag: member="opendevice.h::USB_PID_OBDEV_SHARED_CUSTOM" ref="a23f57d0a9608bd47ace38f99c3c55c94" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USB_PID_OBDEV_SHARED_CUSTOM&#160;&#160;&#160;1500</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ae19368147b8342f413dd7b6344a5a93e"></a><!-- doxytag: member="opendevice.h::USB_PID_OBDEV_SHARED_HID" ref="ae19368147b8342f413dd7b6344a5a93e" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USB_PID_OBDEV_SHARED_HID&#160;&#160;&#160;1503</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ae93838e6a6f4fb4abc912165b4d9ee34"></a><!-- doxytag: member="opendevice.h::USB_PID_OBDEV_SHARED_MIDI" ref="ae93838e6a6f4fb4abc912165b4d9ee34" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USB_PID_OBDEV_SHARED_MIDI&#160;&#160;&#160;1508</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="aa2e64eba4eebb9adac118798df28e8f8"></a><!-- doxytag: member="opendevice.h::USB_VID_OBDEV_SHARED" ref="aa2e64eba4eebb9adac118798df28e8f8" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USB_VID_OBDEV_SHARED&#160;&#160;&#160;5824</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a7740d6b3c1581a07523be3b3d5039c95"></a><!-- doxytag: member="opendevice.h::USBOPEN_ERR_ACCESS" ref="a7740d6b3c1581a07523be3b3d5039c95" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USBOPEN_ERR_ACCESS&#160;&#160;&#160;1</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a0d2858ff0ca8d95aaf31876e1535a4db"></a><!-- doxytag: member="opendevice.h::USBOPEN_ERR_IO" ref="a0d2858ff0ca8d95aaf31876e1535a4db" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USBOPEN_ERR_IO&#160;&#160;&#160;2</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="aeffd7f45947b1e146f8dfc1c6d94704e"></a><!-- doxytag: member="opendevice.h::USBOPEN_ERR_NOTFOUND" ref="aeffd7f45947b1e146f8dfc1c6d94704e" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USBOPEN_ERR_NOTFOUND&#160;&#160;&#160;3</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a6d38a8c9d2927333c15aee5d4e118e6c"></a><!-- doxytag: member="opendevice.h::USBOPEN_SUCCESS" ref="a6d38a8c9d2927333c15aee5d4e118e6c" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define USBOPEN_SUCCESS&#160;&#160;&#160;0</td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a75b5f0b18368de18125662f87524b5b0"></a><!-- doxytag: member="opendevice.h::usbGetStringAscii" ref="a75b5f0b18368de18125662f87524b5b0" args="(usb_dev_handle *dev, int index, char *buf, int buflen)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int usbGetStringAscii </td>
<td>(</td>
<td class="paramtype">usb_dev_handle *&#160;</td>
<td class="paramname"><em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>index</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>buflen</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<div class="fragment"><pre class="fragment">{
<span class="keywordtype">char</span> buffer[256];
<span class="keywordtype">int</span> rval, i;
<span class="keywordflow">if</span>((rval = usb_get_string_simple(dev, index, buf, buflen)) &gt;= 0) <span class="comment">/* use libusb version if it works */</span>
<span class="keywordflow">return</span> rval;
<span class="keywordflow">if</span>((rval = usb_control_msg(dev, USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR, (USB_DT_STRING &lt;&lt; 8) + index, 0x0409, buffer, <span class="keyword">sizeof</span>(buffer), 5000)) &lt; 0)
<span class="keywordflow">return</span> rval;
<span class="keywordflow">if</span>(buffer[1] != USB_DT_STRING){
*buf = 0;
<span class="keywordflow">return</span> 0;
}
<span class="keywordflow">if</span>((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)buffer[0] &lt; rval)
rval = (<span class="keywordtype">unsigned</span> char)buffer[0];
rval /= 2;
<span class="comment">/* lossy conversion to ISO Latin1: */</span>
<span class="keywordflow">for</span>(i=1;i&lt;rval;i++){
<span class="keywordflow">if</span>(i &gt; buflen) <span class="comment">/* destination buffer overflow */</span>
<span class="keywordflow">break</span>;
buf[i-1] = buffer[2 * i];
<span class="keywordflow">if</span>(buffer[2 * i + 1] != 0) <span class="comment">/* outside of ISO Latin1 range */</span>
buf[i-1] = <span class="charliteral">&#39;?&#39;</span>;
}
buf[i-1] = 0;
<span class="keywordflow">return</span> i-1;
}
</pre></div>
</div>
</div>
<a class="anchor" id="acea645564f1dfcd741ff20038d811ac5"></a><!-- doxytag: member="opendevice.h::usbOpenDevice" ref="acea645564f1dfcd741ff20038d811ac5" args="(usb_dev_handle **device, int vendorID, char *vendorNamePattern, int productID, char *productNamePattern, char *serialNamePattern, FILE *printMatchingDevicesFp, FILE *warningsFp)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int usbOpenDevice </td>
<td>(</td>
<td class="paramtype">usb_dev_handle **&#160;</td>
<td class="paramname"><em>device</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>vendorID</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>vendorNamePattern</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>productID</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>productNamePattern</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>serialNamePattern</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>printMatchingDevicesFp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">FILE *&#160;</td>
<td class="paramname"><em>warningsFp</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<div class="fragment"><pre class="fragment">{
<span class="keyword">struct </span>usb_bus *bus;
<span class="keyword">struct </span>usb_device *dev;
usb_dev_handle *handle = NULL;
<span class="keywordtype">int</span> errorCode = <a class="code" href="opendevice_8h.html#aeffd7f45947b1e146f8dfc1c6d94704e">USBOPEN_ERR_NOTFOUND</a>;
usb_find_busses();
usb_find_devices();
<span class="keywordflow">for</span>(bus = usb_get_busses(); bus; bus = bus-&gt;next){
<span class="keywordflow">for</span>(dev = bus-&gt;devices; dev; dev = dev-&gt;next){ <span class="comment">/* iterate over all devices on all busses */</span>
<span class="keywordflow">if</span>((vendorID == 0 || dev-&gt;descriptor.idVendor == vendorID)
&amp;&amp; (productID == 0 || dev-&gt;descriptor.idProduct == productID)){
<span class="keywordtype">char</span> vendor[256], product[256], serial[256];
<span class="keywordtype">int</span> len;
handle = usb_open(dev); <span class="comment">/* we need to open the device in order to query strings */</span>
<span class="keywordflow">if</span>(!handle){
errorCode = <a class="code" href="opendevice_8h.html#a7740d6b3c1581a07523be3b3d5039c95">USBOPEN_ERR_ACCESS</a>;
<span class="keywordflow">if</span>(warningsFp != NULL)
fprintf(warningsFp, <span class="stringliteral">&quot;Warning: cannot open VID=0x%04x PID=0x%04x: %s\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, usb_strerror());
<span class="keywordflow">continue</span>;
}
<span class="comment">/* now check whether the names match: */</span>
len = vendor[0] = 0;
<span class="keywordflow">if</span>(dev-&gt;descriptor.iManufacturer &gt; 0){
len = <a class="code" href="opendevice_8c.html#a75b5f0b18368de18125662f87524b5b0">usbGetStringAscii</a>(handle, dev-&gt;descriptor.iManufacturer, vendor, <span class="keyword">sizeof</span>(vendor));
}
<span class="keywordflow">if</span>(len &lt; 0){
errorCode = <a class="code" href="opendevice_8h.html#a7740d6b3c1581a07523be3b3d5039c95">USBOPEN_ERR_ACCESS</a>;
<span class="keywordflow">if</span>(warningsFp != NULL)
fprintf(warningsFp, <span class="stringliteral">&quot;Warning: cannot query manufacturer for VID=0x%04x PID=0x%04x: %s\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, usb_strerror());
}<span class="keywordflow">else</span>{
errorCode = <a class="code" href="opendevice_8h.html#aeffd7f45947b1e146f8dfc1c6d94704e">USBOPEN_ERR_NOTFOUND</a>;
<span class="comment">/* printf(&quot;seen device from vendor -&gt;%s&lt;-\n&quot;, vendor); */</span>
<span class="keywordflow">if</span>(shellStyleMatch(vendor, vendorNamePattern)){
len = product[0] = 0;
<span class="keywordflow">if</span>(dev-&gt;descriptor.iProduct &gt; 0){
len = <a class="code" href="opendevice_8c.html#a75b5f0b18368de18125662f87524b5b0">usbGetStringAscii</a>(handle, dev-&gt;descriptor.iProduct, product, <span class="keyword">sizeof</span>(product));
}
<span class="keywordflow">if</span>(len &lt; 0){
errorCode = <a class="code" href="opendevice_8h.html#a7740d6b3c1581a07523be3b3d5039c95">USBOPEN_ERR_ACCESS</a>;
<span class="keywordflow">if</span>(warningsFp != NULL)
fprintf(warningsFp, <span class="stringliteral">&quot;Warning: cannot query product for VID=0x%04x PID=0x%04x: %s\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, usb_strerror());
}<span class="keywordflow">else</span>{
errorCode = <a class="code" href="opendevice_8h.html#aeffd7f45947b1e146f8dfc1c6d94704e">USBOPEN_ERR_NOTFOUND</a>;
<span class="comment">/* printf(&quot;seen product -&gt;%s&lt;-\n&quot;, product); */</span>
<span class="keywordflow">if</span>(shellStyleMatch(product, productNamePattern)){
len = serial[0] = 0;
<span class="keywordflow">if</span>(dev-&gt;descriptor.iSerialNumber &gt; 0){
len = <a class="code" href="opendevice_8c.html#a75b5f0b18368de18125662f87524b5b0">usbGetStringAscii</a>(handle, dev-&gt;descriptor.iSerialNumber, serial, <span class="keyword">sizeof</span>(serial));
}
<span class="keywordflow">if</span>(len &lt; 0){
errorCode = <a class="code" href="opendevice_8h.html#a7740d6b3c1581a07523be3b3d5039c95">USBOPEN_ERR_ACCESS</a>;
<span class="keywordflow">if</span>(warningsFp != NULL)
fprintf(warningsFp, <span class="stringliteral">&quot;Warning: cannot query serial for VID=0x%04x PID=0x%04x: %s\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, usb_strerror());
}
<span class="keywordflow">if</span>(shellStyleMatch(serial, serialNamePattern)){
<span class="keywordflow">if</span>(printMatchingDevicesFp != NULL){
<span class="keywordflow">if</span>(serial[0] == 0){
fprintf(printMatchingDevicesFp, <span class="stringliteral">&quot;VID=0x%04x PID=0x%04x vendor=\&quot;%s\&quot; product=\&quot;%s\&quot;\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, vendor, product);
}<span class="keywordflow">else</span>{
fprintf(printMatchingDevicesFp, <span class="stringliteral">&quot;VID=0x%04x PID=0x%04x vendor=\&quot;%s\&quot; product=\&quot;%s\&quot; serial=\&quot;%s\&quot;\n&quot;</span>, dev-&gt;descriptor.idVendor, dev-&gt;descriptor.idProduct, vendor, product, serial);
}
}<span class="keywordflow">else</span>{
<span class="keywordflow">break</span>;
}
}
}
}
}
}
usb_close(handle);
handle = NULL;
}
}
<span class="keywordflow">if</span>(handle) <span class="comment">/* we have found a deice */</span>
<span class="keywordflow">break</span>;
}
<span class="keywordflow">if</span>(handle != NULL){
errorCode = 0;
*device = handle;
}
<span class="keywordflow">if</span>(printMatchingDevicesFp != NULL) <span class="comment">/* never return an error for listing only */</span>
errorCode = 0;
<span class="keywordflow">return</span> errorCode;
}
</pre></div>
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