how to get around DeviceIoControl when writting a 1394 driver dll for RT

[zy9]

in windows, when writting device 1394 drv, will call the DeviceIoControl()....,  for a DLL on RT, we couldn't use these windows low level things, how to get around?

[SimonH]

zy9,

Typically the easiest way to develop a driver to work on RT is to use the VISA API.

These resources may help you get started:

Developing a LabVIEW Real-Time Driver for a PXI, cPCI or PCI Device

Porting a Windows Device Driver to the NI Real-Time Platform

Considerations in Implementing Real-Time Drivers

Regards,

Simon H
Applications Engineer
National Instruments
http://www.ni.com/support/