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Excerpt

The cifX Device Driver for Windows CE is a stream driver, running in the kernel of the operating system.

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Access to the driver functions is offered by a driver API DLL (cifXCEDLL).
The DLL covers the device IO control calls used to communicate with the driver and offers the same CIFX API like on the Windows desktop operating systems.

 

The driver’s function interface is fieldbus system independent and includes functions for the recognition of installed hardware, reading system information, initializing and parametrizing field bus systems, exchanging cyclical and acyclical data and reading status information, as well as time-monitoring and watchdog function.