Can I use Interrupts and DMA under RTX

Interrupt Mode

The cifX device can be used in polling or interrupt mode.

If interrupt mode should be used, IRQ resource limitations must be considered.
As RTX® does not support sharing IRQ lines with Windows® devices, the interrupt line which
RTX® uses must be available for exclusive use.
 

Finding an exclusive IRQ often requires physically moving hardware around in the system or
disabling other Windows® devices.
 

If you have difficulty configuring your hardware for use with RTX® due to IRQ resource limitations,
please consult the following IntervalZero manual:.

• IntervalZero Inc.: Working with Hardware Resource Limitations. Document Number: RTX-810-004.

MSI Message Based Interrupts

Hilsche CIFX PCIexpress cards are currently supporting only LEGACY interrupts.

DMA Support

DMA can be used in polling and interrupt mode.