LED not responding

 
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FirstDivision
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Joined: 07 Jan 2006
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PostPosted: Sun Jan 08, 2006 12:01 am    Post subject: LED not responding Reply with quote
Hi,

I have a small problem with my DrDaq unit and software I'm writing. I can open the unit and retrieve data from the different interfaces (External2, Light, etc), but I can't get the LED to turn on or off. No matter what I do the LED stays illuminated.

I wrote software in VB6 a few years ago with the same unit and the LED worked then, so it's not like the unit is defective or anything (I suppose it may have broken since then, but I doubt it).

I'm using VB.NET and a recent version of the DLL that I downloaded today. I might have the original CD around somwhere if I should be using an older DLL version, but I'm not sure where it is.

Any ideas??

Thanks,
FD
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Michael
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Location: St Neots, Cambridgeshire
PostPosted: Mon Jan 09, 2006 2:47 pm    Post subject: Reply with quote
Hello,

A most unusual situation.

Can you send or post your VB function call and function declaration module?

It may be an invalid function declaration variable.

Best regards,
Michael
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FirstDivision
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PostPosted: Tue Jan 10, 2006 3:24 am    Post subject: LED Reply with quote
Hi Michael,

Quote:
It may be an invalid function declaration variable.


lol, yeah, I surely wouldn't doubt it. Very Happy

I wrapped the functions in a VB.NET class so I could add a little. I'll post both that and the form's code if you want, although there's quite a few lines. Maybe a ZIP file or something would be better? I'll send the whole project if you want.

I left my laptop at work to monitor the temperature of my cubicle to see what happens at night (couldn't help it), so I can't get the code until tomorrow.

Can I attach files to a post?

Thanks for the reply,
Andrew
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Michael
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Location: St Neots, Cambridgeshire
PostPosted: Tue Jan 10, 2006 9:19 am    Post subject: Reply with quote
Hello Andrew,

Please post the project to support@picotech.com

Thanks,
Michael
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FirstDivision
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Posts: 4

PostPosted: Tue Jan 10, 2006 2:29 pm    Post subject: LED and Code Reply with quote
Hi Michael,

I sent the code to the email address you provided. I should mention that there are two folders (projects) in the zip file. The first, "NetDrDaq", contains the wrapper class and the function declarations that I suppose you wanted to take a look at. The second folder, "DrDaq" contains the actual Windows application code, which itself contains a refererance to the NetDrDaq project (In Visual Studio I have both these projects contained within the same solution).

By the way, the overnight graph looked cool, temperature got down to 70 degrees (F) until coming sharply back up right before I arrived.

Thanks for taking a look at the code.

-Andrew
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FirstDivision
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Joined: 07 Jan 2006
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PostPosted: Tue Jan 10, 2006 2:45 pm    Post subject: LED Reply with quote
Hi,

Hmm, I suppose I should have done this before but I just tried a test with PLW Recorder and got the same results. I set up a new recording and set the LED to be "Off during alarm", "On during Alarm", and "On When Recording". No matter what the LED stays on when I record. So either I'm not using the software correct, or there is something wrong with my hardware maybe? Could the parallel cable be bad and cause this problem?

Thanks,
Andrew
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