Interrupt Removal Information

NI-VISA

Interrupt Removal Information

In addition to the Interrupt Detection sequence, NI-VISA also needs to know the sequence of register operations required to acknowledge a pending interrupt condition for your device. At interrupt time, if the NI-VISA driver determines that your device is asserting an interrupt (via the sequence of register accesses specified in the Interrupt Detection sequence), VISA will execute this Interrupt Removal sequence to quiet the pending interrupt.

This sequence of register operations is constructed using the same Read, Write, and Compare operations discussed in the previous step (Interrupt Detection). Individual register operations are entered in an identical manner.

Interrupt Removal Background

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