Pushing LabVIEW Limits with APIs & Systems
Slides from JKI's CLA Summit 2013 presentation, "Connecting LabVIEW to Everything Else," presented by Jim Kring. Our consulting customers want the software we create to be “open,” in the sense that they need to integrate it into other business systems, or they need to use it from their own system development, or they just need to get data out in the way they want. This means providing an external API that users/clients can access – especially from tools other than LabVIEW. In this presentation from the Americas CLA Summit 2013, Jim Kring explains why external APIs are a fundamental part of professional software development, and explores how different types of APIs are useful at different stages of development all the way from proof-of-concept to final shipment.
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Pushing LabVIEW Limits with APIs & Systems
- 1. PUSHING THE LIMITS OF LABVIEW Connecting LabVIEW to Everything Else! Jim Kring, JKI at the Americas CLA Summit 2013! geekandpoke.typepad.com
- 2. PUSHING THE LIMITS OF LABVIEW3 APIs and Systems! APIs
- 3. PUSHING THE LIMITS OF LABVIEW4 • Products can be more than what’s in the box! • Customers can solve more business problems! • Customers become loyal and locked-in! APIs: Business Value!
- 4. PUSHING THE LIMITS OF LABVIEW5 APIs and Systems! APIs
- 5. PUSHING THE LIMITS OF LABVIEW6 APIs and Instruments! APIs
- 6. PUSHING THE LIMITS OF LABVIEW7 Instruments APIs using SCPI! Call 1-800-IEEE-488 MEAS:VOLT? MEAS:CURR? SCPI = Standard Commands for Programmable Instrumentation
- 7. PUSHING THE LIMITS OF LABVIEW8 Software Defined Instruments!
- 8. PUSHING THE LIMITS OF LABVIEW9 Embedding LabVIEW Becoming More Practical! More opportunities to create products powered by LabVIEW
- 9. PUSHING THE LIMITS OF LABVIEW10 Back to Instruments and APIs ! It’s time for a demo!!
- 10. PUSHING THE LIMITS OF LABVIEW11 • System VI! • Loads up the system and all its components! • Has a registry of all SCPI tree/nodes and their SCPI command handlers! • Runs a TCP-IP Server / Listener at startup! • TCP-IP Server / Listener VI! • Launches a connection handler when a client connects at the port! • SCPI Connection Handler VI! • Parses (REC:RUN) SCPI message to determine which tree/node’s (REC) command handler VI to call and passes it the (RUN) command.! • SCPI Command Handler VI! • Executes a Case Structure frame for the (RUN) command.! SCPI API Implementation in LabVIEW!
- 11. PUSHING THE LIMITS OF LABVIEW12 • SCPI (over TCP-IP, Serial, GPIB)! • Web Services (REST / XML: LabVIEW, Custom)! • DLLs, .NET, ActiveX, COM! • Network Shared Variables! • File IO, Dropbox! • Custom? Others?! API Technologies!
- 12. PUSHING THE LIMITS OF LABVIEW13 • LabVIEW! • Python! • Others?! Language Bindings!
- 13. PUSHING THE LIMITS OF LABVIEW14 • External / Public APIs! !callable from outside the system! • Internal / Private APIs! !only callable from inside the system! External vs. Internal APIs!
- 14. PUSHING THE LIMITS OF LABVIEW15 JKI: Prototype Software to Product Software!
- 15. PUSHING THE LIMITS OF LABVIEW16 APIs and Systems! APIs
- 16. PUSHING THE LIMITS OF LABVIEW19 One More Thing! Join Our Team Help us build the next generation of instrumentation.! Talk to a JKI engineer or visit jki.net/careers.!