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<tr><th colspan="3" align="center">13.6. 快速参考</th></tr>
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<th width="60%" align="center">第 13 章 USB 驱动</th>
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="USBDriversqr.sect1"></a>13.6. 快速参考</h2></div></div></div>
<p>本节总结本章介绍的符号:</p>
<div class="variablelist"><dl>
<dt><span class="term"><span>#include <linux/usb.h></span></span></dt>
<dd><p>所有和 USB 相关的头文件. 它必须被所有的 USB 设备驱动包含.</p></dd>
<dt><span class="term"><span>struct usb_driver;</span></span></dt>
<dd><p>描述 USB 驱动的结构.</p></dd>
<dt><span class="term"><span>struct usb_device_id;</span></span></dt>
<dd><p>描述这个驱动支持的 USB 设备的结构.</p></dd>
<dt><span class="term"><span>int usb_register(struct usb_driver *d);</span></span></dt>
<dd><p>用来从USB核心注册和注销一个 USB 驱动的函数.</p></dd>
<dt><span class="term"><span>struct usb_device *interface_to_usbdev(struct usb_interface *intf);</span></span></dt>
<dd><p>从 struct usb_interface 获取控制 struct usb_device *.</p></dd>
<dt><span class="term"><span>struct usb_device;</span></span></dt>
<dd><p>控制完整 USB 设备的结构.</p></dd>
<dt><span class="term"><span>struct usb_interface;</span></span></dt>
<dd><p>主 USB 设备结构, 所有的 USB 驱动用来和 USB 核心通讯的.</p></dd>
<dt><span class="term"><span>void usb_set_intfdata(struct usb_interface *intf, void *data);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>void *usb_get_intfdata(struct usb_interface *intf);</span></span></dt>
<dd><p>设置和获取在 struct usb_interface 中的私有数据指针部分的函数.</p></dd>
<dt><span class="term"><span>struct usb_class_driver;</span></span></dt>
<dd><p>描述 USB 驱动的一个结构, 这个驱动要使用 USB 主编号来和用户空间程序通讯.</p></dd>
<dt><span class="term"><span>int usb_register_dev(struct usb_interface *intf, struct usb_class_driver *class_driver);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>void usb_deregister_dev(struct usb_interface *intf, struct usb_class_driver
*class_driver);</span></span></dt>
<dd><p>用来注册和注销一个特定 struct usb_interface * 结构到 struct usb_class_driver 结构的函数.</p></dd>
<dt><span class="term"><span>struct urb;</span></span></dt>
<dd><p>描述一个 USB 数据传输的结构.</p></dd>
<dt><span class="term"><span>struct urb *usb_alloc_urb(int iso_packets, int mem_flags);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>void usb_free_urb(struct urb *urb);</span></span></dt>
<dd><p>用来创建和销毁一个 struct usb urb*的函数.</p></dd>
<dt><span class="term"><span>int usb_submit_urb(struct urb *urb, int mem_flags);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>int usb_kill_urb(struct urb *urb);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>int usb_unlink_urb(struct urb *urb);</span></span></dt>
<dd><p>用来启动和停止一个 USB 数据传输的函数.</p></dd>
<dt><span class="term"><span>void usb_fill_int_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context, int interval);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>void usb_fill_bulk_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, void *transfer_buffer, int buffer_length, usb_complete_t complete, void *context);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>void usb_fill_control_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, unsigned char *setup_packet, void *transfer_buffer, int buffer_ length, usb_complete_t complete, void *context);</span></span></dt>
<dd><p>用来在被提交给 USB 核心之前初始化一个 struct urb 的函数. </p></dd>
<dt><span class="term"><span>int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, void *data, int len, int *actual_length, int timeout);</span></span></dt>
<dd></dd>
<dt><span class="term"><span>int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size, int timeout);</span></span></dt>
<dd><p>用来发送和接受 USB 数据的函数, 不必使用一个 struct urb. </p></dd>
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<td width="40%" align="left" valign="top">13.5. 无 urb 的 USB 传送 </td>
<td width="20%" align="center"><a accesskey="h" href="index.html">起始页</a></td>
<td width="40%" align="right" valign="top"> 第 14 章 Linux 设备模型</td>
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