Start the host program automatically starts the RT program
Hey guys,.
I'm in a test phase and wanted to ask if it is possible to start the RTW program automatically, when I start my host VI. I don't have any executable for the moment because I am in the test phase, but I only want to support on "the button execute on the host VI and start (RT and HOST) screws.
Is that possible or do I have to press two buttons to run?
Kind regards
Slev1n
As Crossrulz notes, LabVIEW RT is essentially to another computer, does not Windows but rather running a real-time operating system (if on PharLap an Intel processor, often a version of Linux on FPGA hardware, I think). It has always been necessary for these targets of RT to be 'on' and 'something', of course. In the early days of LabVIEW Real-time, they sat often slowed down and you would use VI server to download and launch your RT code on them. With the advent of the LabVIEW project (much) better to manage the objectives of the RT as, OR goes to a slightly different model where, as Crossrulz points out, the RT Code is supposed to be downloaded to the target and configured to start automatically running when the target is powered.
In development Mode, there are provisions to download ("Deploy") and start the target RT and (theoretically), it should be possible to do it programmatically. I tried to do this, but it was noticeably awkward that I have "gave in" and (except when in development Mode) practical to develop recommended follow-up of OR deploy and defined as starting on the target of RT.
The idea, of course, is that if you know that the target RT is running when you start the host, the target should wait for the host to send a signal saying ' Hi, Target, are you ready to start working with me? (the target, of course, answered "Sure, let's get started...") »). How to set up the first handshakes, it is up to you.
Note that this model assumes / requires that until the host stops, it informs the RT target that she came out, allowing target RT back to its State "in expectation of the host." A really simple way to do this, of course, is for the host to tell the target to reboot, which in fact boost its Startup Code (which is the target RT program).
Bob Schor
Tags: NI Software
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