说明:Technophobes may take solace in the fact that they retain ultimate control over their electronic servants so long as they control the power switch. Power is, of course, the sine qua non of computing, but personal compute <Nick> 在 2025-01-24 上传
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说明:If you look at the various types of requests that come to a device, most of them involve reading or writing data. On occasion, however, an application needs to communicate “out of band” with the driver. <Nick> 在 2025-01-24 上传
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说明:Microsoft Windows XP supports a facility named Windows Management Instrumentation (WMI) as a way to manage the computer system. WMI is Microsoft’s implementation of a broader industry standard called Web-Based Enterprise <Nick> 在 2025-01-24 上传
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说明:Two categories of devices don’t fit neatly into the PnP fr a mework I described in Chapter 6. These categories are controller devices, which manage a collection of child devices, and multifunction devices, which have sev <Nick> 在 2025-01-24 上传
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说明:End user convenience is the keynote of the universal serial bus (USB). The Plug and Play (PnP) concept has simplified the process of installing certain types of hardware on existing PCs. However, configuration issues con <Nick> 在 2025-01-24 上传
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说明:A Human Interface Device (HID) is one that communicates with the host computer using structured reports. The HID class of devices consists primarily of devices that end users use to interact with computers. The class inc <Nick> 在 2025-01-24 上传
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说明:In the first eight chapters, I described most of the features of a full-blown WDM driver suitable for any random sort of hardware device. But you should understand a few more general-purpose techniques, and I’ll describe <Nick> 在 2025-01-24 上传
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说明:Early in the device driver development process, it’s important to devote some thought to how you’ll distribute your driver and how an end user will install your driver and the hardware it serves. MicrosoftWindows XP and <Nick> 在 2025-01-24 上传
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说明:The Windows Driver Model assumes that a hardware device can have several drivers, each of which contributes in some way to the successful management of the device. WDM accomplishes the layering of drivers by means of a s <Nick> 在 2025-01-24 上传
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