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libusb when reading from DAQ

Hello,

 

I am using a cDAQ-9171 with a NI 9211 to read some thermocouples. I am hoping to use libusb. Anyone know where I can find Product ID,Vendor ID, and endpoint addresses so I can read thermocouple values?

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Hi Sahil,

You can get those details from NI MAX software, under Devices and Interfaces. Click your cDAQ-9171 and check the Settings panel:

 

afort_0-1662069657726.png

 

When it comes to determining USB endpoint addresses, this link might prove useful: hardware - How to know the information of USB endpoints? - Stack Overflow

 

Fort

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