I am writing a LabVIEW program where I execute a sequence of analog outputs with a PXI-6733 card. Most of the analog outputs are time based, so I have chosen to use a sequence with the following structure:
Frame0: AO Assignment, Frame1: Wait function, Frame2: AO Assignment, Frame3: Wait function, etc.
However, I have a couple of analog output transitions where the transition is not based on time, but on a comparison of a variable (voltage or elapsed
time) to a constant. For the voltage variable, I am taking readings with a PXI-6250 card. What I need to have happen is the following: 1. Arrive at the specified frame in the sequence. 2. Wait in that frame until the variable crosses a threshold (I am using the greater than or equals comparison function) 3.As soon as that function returns true, go to the next frame in the sequence and continue from there. I am having trouble advancing from one frame to another based on a boolean value. Any ideas? The only thing that I have thought of so far is to use a case structure in the frame where I want to wait. The false state of the case would be null, and the true state of the case would contain the rest of the code that I want to execute, in yet another set of sequence frames. I am trying to avoid that as it could messy fairly quickly. So if there is some way to "pause" a sequence frame and then advance based on a boolean comparison that would be great. Thank you!
