Issue Details
I am implementing the SPI read/write engine using the digital IO of NI PXIe-7858R. The LabVIEW FPGA state machine-based algorithm seems to be functioning correctly in the FPGA simulation mode. However, if I test it with external hardware (e.g., Arduino), the SPI engine does not function correctly. After probing the sampled digital inputs using the available debugging tools, I figured out that the behavior is because of unexpected values on the digital input pin.