Getting Started
System Requirements
LabVIEW Base, Full, or Professional Development System 2015 or later.
DQMH 6.1 is the first release that drops support for LabVIEW 2014. |
Installation
To install DQMH you need to use VI Package Manager.
VI Package Manager should already be installed if you inslatted LabVIEW with the default options |
Offline
If you don’t have access to internet, we provide fully self-contained VI Package Configuration (.vipc) files here. Those vipc files contain all required VI Packages for any given version of DQMH. You can download the preferred version here and use the downloaded .vipc file for offline installation.
Open the vipc with VIPM to install DQMH and it’s dependencies. |
The vipc we are providing are also the best way to downgrade DQMH to an oldest version. |
Video tutorial
Here is a video of how to get started with DQMH:
This video shows where to find the documentation for the Delacor Queued Message Handler toolkit, how to create a project from the template and where to find the shipping examples. The video explains what a Singleton vs Cloneable module is and how to run the testers and the individual modules.
- 0:00
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Where to find Documentation
- 0:30
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Create a DQMH from Project Template
- 1:20
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Add a new DQMH Module to an existing project
- 1:40
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Where to find the DQMH shipping examples
- 2:05
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DQMH Project Template structure
- 3:40
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Nomenclature: Request, Broadcast events and DQMH Module design pattern
- 5:12
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DQMH as a stand alone module or part of a larger application
- 5:28
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Steps to add a new DQMH Module
- 6:43
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Module structure
- 8:30
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Request event
- 8:58
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Broadcast event
- 16:56
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Shipping examples: Simple VIs calling DQMH public API (singleton)
- 19:50
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Shipping examples: Thermal chamber with DUT (singleton & cloneable)
- 20:25
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Shipping examples: Thermal Chamber with Multiple DUTs (singleton & cloneables)
- 21:30
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Cloneable DQMH Module
- 24:20
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How to create a DQMH Event
- 31:18
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API tester tests errors when module is not running
An application that uses the DQMH will have one or more DQMH modules.
Each DQMH module will have a Main.vi that is a version of the Producer/Consumer design pattern, where the user interface (producer) produces messages and the tasks (consumers) consume them. However, in the DQMH template, you can also produce messages from other DQMH modules or other VIs.
This template includes the following:
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1 singleton DQMH module (can have only one instance of its Main.vi running at any given time)
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1 cloneable DQMH module (can have one or multiple instances of its Main.vi running in parallel)
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2 API testers, one for each DQMH module * 1 sample application implemented using a State Machine to show that the code that calls a DQMH module does not have to be a DQMH module itself.
If you would like to add modules to an existing project, then use the Tools>DQMH Consortium>Add DQMH Module utility in your existing project.