Addressing a specific PicoScope 5xxx without opening

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Siebje
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Addressing a specific PicoScope 5xxx without opening

Post by Siebje » Tue Mar 13, 2012 1:54 pm

Hi!
I'm currently working on writing a wrapper for the PicoScope 5xxx native driver, but I can't seem to find a way to target a specific PicoScope for the openUnit() call. As far as I can tell openUnit() picks the scope that's connected to the lowest USB port/hub number, which means that connecting the scopes to different ports does not result in the same scope being addressed first.
Is there any way to use an argumented openUnit() call, so I KNOW which PicoScope it will open regardless of the port it's plugged in to?
Thanks in advance!

Martyn
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Re: Addressing a specific PicoScope 5xxx without opening

Post by Martyn » Tue Mar 13, 2012 3:24 pm

You can use the ps5000GetUnitInfo call to get the serial number of the device.
Martyn
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Siebje
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Re: Addressing a specific PicoScope 5xxx without opening

Post by Siebje » Wed Mar 14, 2012 7:54 am

Correct me if I'm wrong, but calling getUnitInfo() requires me to have opened the unit. What I'm asking is how to know which unit will be opened if I have multiple PicoScopes attached and I call openUnit().

Martyn
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Re: Addressing a specific PicoScope 5xxx without opening

Post by Martyn » Wed Mar 14, 2012 11:36 am

There isn't a function to open unit by serial number with the 5000 series.

The best you can do is to open all the units, read the serial numbers of each unit, and then compare these to the one you are looking for. You then keep and use the handle associated with this device whilst closing the other units.
Martyn
Technical Support Manager

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