Archive for the ‘Tips & Tricks’ Category
Monster Panel IV
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51 wires? No – use a cable. In Part III, we talked about how to take 3672 copies of a 300-channel list and cut the memory requirements down to size. The price we pay for that savings is a bit more work on our part. But it’s a
Monster Panel III
Re-think the easy ways you have used forever. In Part I, I gave the rough outline of the task: how to manage over 12000 controls/indicators on one panel. In Part II, we started whittling the task down to size, using sub panels and reentrancy.
Monster Panel II
Figuring out what you do NOT have to do. In Part I, I gave the rough outline of the task: How to manage over 12000 controls/indicators on one panel. The first thing to realize is that the beginner’s reaction (“holy crowdation Batman, that’s impossible”) is
Virtual Devices
When you don’t have the DAQ hardware you need… Any version of NI-DAQ and the Measurement and Automation Explorer (MAX) released recently has provisions for “simulated” devices. You choose which devices you want, and then NI-DAQ will pretend those devices are actually installed on your
What time is it, again?
The TIMESTAMP indicator is smart enough to get you into trouble. Just ran into what at first appeared to be a bug, but turned out to be proper, if misunderstood, behavior. I have a project which records data files. When the actual recording starts, and
Beating the Jitters
A shortcut to determinism in real-time applications Determinism in software is the ability to ensure that any and all paths taken through the code take a consistent amount of time to execute. Most desktop applications have no interest in this consistency because A) it doesn’t
Time Alignment of Signals
A picture is worth 1024 words I discussed the idea of a time-alignment scheme in the article Delays, Delays, Delays. The idea is that signals which have a mechanical delay of some kind (gas transport time, for example) can be time-aligned with signals that have
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