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usb设备遍历

上传者: yizhenweifeng | 上传时间:2023/6/10 3:07:57 | 文件大小:1023KB | 文件类型:rar
usb设备遍历
此代码是遍历pc上usb设备。
包含控制器hubport设配id等信息usb其实和串口是一样的,其端口也是固定的(如果你不接扩展hub)。
有时一台电脑接多个相同的usb设备,如果接连个摄像头(前后各一个),我们如果区分打开的是哪一个呢?1、先把usb设备先遍历出来,得到usb信息(设备串等)。
2、通过打开usb设备时返回信息(这个很重要//usb#vid_1d27&pid;_0600#5&10ef021e;&0&5#{c3b5f022-5a42-1980-1909-ea72095601b1})。
3、遍历注册表得到usb设备信息(#defineUSB_REGPATH"SYSTEM\\CurrentControlSet\\Enum\\USB\\")。
4、通过第1条的设备串、第2条打开设备返回信息、注册表。
就可以确定usb设备(控制器->hub->端口)readbyjerry

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资源详情

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评论信息

  • Lewhaming:
    很不错的资源,值得学习2020-06-05
  • vge_:
    虽然不错,但只能遍历,如果20个USB口插入设备,无法做到一一对应。2019-04-13
  • lin415804:
    挺好用的例子,就是有个bug在里面2018-06-13
  • weixin_40005351:
    很好!刚好用得上!2018-05-23
  • xuyongli314159:
    可以用的,比WDK自带的USBView要简单2016-11-17

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