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<h1>fusb_linux.h</h1><a href="fusb__linux_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2003 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="comment">// Fast USB interface</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#ifndef _FUSB_LINUX_H_</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define _FUSB_LINUX_H_</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <<a class="code" href="fusb_8h.html">fusb.h</a>></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <list></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">struct </span>usbdevfs_urb;
<a name="l00032"></a>00032 <span class="keyword">class </span><a class="code" href="classfusb__ephandle__linux.html" title="linux specific implementation of fusb_ephandle using usbdevice_fs">fusb_ephandle_linux</a>;
<a name="l00033"></a>00033
<a name="l00037"></a><a class="code" href="classfusb__devhandle__linux.html">00037</a> <span class="keyword">class </span><a class="code" href="classfusb__devhandle__linux.html" title="linux specific implementation of fusb_devhandle using usbdevice_fs">fusb_devhandle_linux</a> : <span class="keyword">public</span> <a class="code" href="classfusb__devhandle.html" title="abstract usb device handle">fusb_devhandle</a> {
<a name="l00038"></a>00038 <span class="keyword">private</span>:
<a name="l00039"></a>00039 std::list<usbdevfs_urb*> d_pending_rqsts;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keywordtype">void</span> pending_add (usbdevfs_urb *urb);
<a name="l00042"></a>00042 <span class="keywordtype">bool</span> pending_remove (usbdevfs_urb *urb);
<a name="l00043"></a>00043 usbdevfs_urb * pending_get ();
<a name="l00044"></a>00044
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">public</span>:
<a name="l00047"></a>00047 <span class="comment">// CREATORS</span>
<a name="l00048"></a>00048 <a class="code" href="classfusb__devhandle__linux.html#a7ec9b566290422e0e426c6506f7aabab">fusb_devhandle_linux</a> (<a class="code" href="structusb__dev__handle.html">usb_dev_handle</a> *udh);
<a name="l00049"></a>00049 <span class="keyword">virtual</span> <a class="code" href="classfusb__devhandle__linux.html#a5eb1bc6de565eda51b02cecca43fde70">~fusb_devhandle_linux</a> ();
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">// MANIPULATORS</span>
<a name="l00052"></a>00052 <span class="keyword">virtual</span> <a class="code" href="classfusb__ephandle.html" title="abstract usb end point handle">fusb_ephandle</a> *<a class="code" href="classfusb__devhandle__linux.html#a5949f040f94ab716649147f3d4c160d2" title="return an ephandle of the correct subtype">make_ephandle</a> (<span class="keywordtype">int</span> endpoint, <span class="keywordtype">bool</span> input_p,
<a name="l00053"></a>00053 <span class="keywordtype">int</span> block_size = 0, <span class="keywordtype">int</span> nblocks = 0);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// internal use only</span>
<a name="l00056"></a>00056 <span class="keywordtype">bool</span> <a class="code" href="classfusb__devhandle__linux.html#ad35214661f5e6fe85a34008e760fa49f">_submit_urb</a> (usbdevfs_urb *urb);
<a name="l00057"></a>00057 <span class="keywordtype">bool</span> <a class="code" href="classfusb__devhandle__linux.html#aca4c020c61d55dd5948b487305debe68">_cancel_urb</a> (usbdevfs_urb *urb);
<a name="l00058"></a>00058 <span class="keywordtype">void</span> <a class="code" href="classfusb__devhandle__linux.html#ac2e57831b7cf37e533f1c56a7ecb452f">_cancel_pending_rqsts</a> (<a class="code" href="classfusb__ephandle__linux.html" title="linux specific implementation of fusb_ephandle using usbdevice_fs">fusb_ephandle_linux</a> *eph);
<a name="l00059"></a>00059 <span class="keywordtype">bool</span> <a class="code" href="classfusb__devhandle__linux.html#a9825994b3a8346f1a8284de755f1d6e0">_reap</a> (<span class="keywordtype">bool</span> ok_to_block_p);
<a name="l00060"></a>00060 <span class="keywordtype">void</span> <a class="code" href="classfusb__devhandle__linux.html#addd226a9f8221e6742551ea8171b35a6">_wait_for_completion</a> ();
<a name="l00061"></a>00061 };
<a name="l00062"></a>00062
<a name="l00063"></a>00063
<a name="l00067"></a><a class="code" href="classfusb__ephandle__linux.html">00067</a> <span class="keyword">class </span><a class="code" href="classfusb__ephandle__linux.html" title="linux specific implementation of fusb_ephandle using usbdevice_fs">fusb_ephandle_linux</a> : <span class="keyword">public</span> <a class="code" href="classfusb__ephandle.html" title="abstract usb end point handle">fusb_ephandle</a> {
<a name="l00068"></a>00068 <span class="keyword">private</span>:
<a name="l00069"></a>00069 <a class="code" href="classfusb__devhandle__linux.html" title="linux specific implementation of fusb_devhandle using usbdevice_fs">fusb_devhandle_linux</a> *d_devhandle;
<a name="l00070"></a>00070 std::list<usbdevfs_urb*> d_free_list;
<a name="l00071"></a>00071 std::list<usbdevfs_urb*> d_completed_list;
<a name="l00072"></a>00072 usbdevfs_urb *d_write_work_in_progress;
<a name="l00073"></a>00073 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *d_write_buffer;
<a name="l00074"></a>00074 usbdevfs_urb *d_read_work_in_progress;
<a name="l00075"></a>00075 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *d_read_buffer;
<a name="l00076"></a>00076 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *d_read_buffer_end;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 usbdevfs_urb *get_write_work_in_progress ();
<a name="l00079"></a>00079 <span class="keywordtype">void</span> reap_complete_writes ();
<a name="l00080"></a>00080 <span class="keywordtype">bool</span> reload_read_buffer ();
<a name="l00081"></a>00081 <span class="keywordtype">bool</span> submit_urb (usbdevfs_urb *urb);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">public</span>:
<a name="l00084"></a>00084 <a class="code" href="classfusb__ephandle__linux.html#af7000716d3733e2b4b3ed6510fd7ebcd">fusb_ephandle_linux</a> (<a class="code" href="classfusb__devhandle__linux.html" title="linux specific implementation of fusb_devhandle using usbdevice_fs">fusb_devhandle_linux</a> *dh, <span class="keywordtype">int</span> endpoint, <span class="keywordtype">bool</span> input_p,
<a name="l00085"></a>00085 <span class="keywordtype">int</span> <a class="code" href="classfusb__ephandle.html#a969c00b4d8ef3c8ad6444eb92da7a61c" title="returns current block size.">block_size</a> = 0, <span class="keywordtype">int</span> nblocks = 0);
<a name="l00086"></a>00086 <span class="keyword">virtual</span> <a class="code" href="classfusb__ephandle__linux.html#a5978d6295cbfe0f8fa8961d0a24e7ba3">~fusb_ephandle_linux</a> ();
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classfusb__ephandle__linux.html#a765993be306d930b5c0fda742d21e87e" title="begin streaming i/o">start</a> ();
<a name="l00089"></a>00089 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classfusb__ephandle__linux.html#a0ab27c7fa6bacaa042a89de22cb36e91" title="stop streaming i/o">stop</a> ();
<a name="l00090"></a>00090
<a name="l00095"></a>00095 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classfusb__ephandle__linux.html#adfe7bf7550c1a8f19308de1d889ecc37">write</a> (<span class="keyword">const</span> <span class="keywordtype">void</span> *buffer, <span class="keywordtype">int</span> nbytes);
<a name="l00096"></a>00096
<a name="l00102"></a>00102 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classfusb__ephandle__linux.html#a7dff0426304357101b6e34e5918d6098">read</a> (<span class="keywordtype">void</span> *buffer, <span class="keywordtype">int</span> nbytes);
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="comment">/*</span>
<a name="l00105"></a>00105 <span class="comment"> * block until all outstanding writes have completed</span>
<a name="l00106"></a>00106 <span class="comment"> */</span>
<a name="l00107"></a>00107 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classfusb__ephandle__linux.html#ad84618ba52ecfe49c8848cba69b0a04c">wait_for_completion</a> ();
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// internal use only</span>
<a name="l00110"></a>00110 <span class="keywordtype">void</span> <a class="code" href="classfusb__ephandle__linux.html#a57c578355685f5b86d976c2204f38f36">free_list_add</a> (usbdevfs_urb *urb);
<a name="l00111"></a>00111 <span class="keywordtype">void</span> <a class="code" href="classfusb__ephandle__linux.html#a5d4f19af3499104c7e146d61afc3cbd5">completed_list_add</a> (usbdevfs_urb *urb);
<a name="l00112"></a>00112 usbdevfs_urb *<a class="code" href="classfusb__ephandle__linux.html#ab8edb43836585a3f1f1ae817686e4231">free_list_get</a> (); <span class="comment">// pop and return head of list or 0</span>
<a name="l00113"></a>00113 usbdevfs_urb *<a class="code" href="classfusb__ephandle__linux.html#a668168194e27bfd84a708acd93560df7">completed_list_get</a> (); <span class="comment">// pop and return head of list or 0</span>
<a name="l00114"></a>00114 };
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="preprocessor">#endif </span><span class="comment">/* _FUSB_LINUX_H_ */</span>
</pre></div></div>
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