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This section discusses writing a generic native driver--one that can respond to Device Manager requests in the second generation of Power Macintosh computers. Although drivers may contain PowerPC assembly-language internal code, a native driver's interface should be written in C.
Before you decide to write your own device driver, you should consider whether your task can be more easily accomplished using one of the standard Macintosh drivers described in Inside Macintosh. In general, you should consider writing a device driver only if your hardware device or system service needs to be accessed at unpredictable times or by more than one application. For example, if you develop a new output device that you want to make available to any application, you might need to write a custom driver.
This section describes the Native Driver package and tells you how to
Only generic drivers interact with the Device Manager. The only part of this section that applies to family drivers is Driver Description Structure.