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  • Author Author: Jan Cumps
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PST.. Release 4 for the Pico SCPI labTool firmware (experimental functionality release): what's new?

Jan Cumps

The Pico SCPI labTool (PST) allows you to connect your PC to equipment to control and monitor all sorts of things. It runs on a Raspberry Pico.

image

In this post: new functionality available in the Release 4.

What's new?

This release adds experimental functionality.

Release 4 adds these new SCPI functions:

digital input in: registers instrument specific registers for digital input pins

STATus:OPERation:DIGItal:INPut:CONDition?
STATus:OPERation:DIGItal:INPut:PTRansition
STATus:OPERation:DIGItal:INPut:PTRansition?
STATus:OPERation:DIGItal:INPut:NTRansition
STATus:OPERation:DIGItal:INPut:NTRansition?
STATus:OPERation:DIGItal:INPut:EVENt?
STATus:OPERation:DIGItal:INPut:ENABle
STATus:OPERation:DIGItal:INPut:ENABle?

Other functionality added:

refactoring closer integration of usbtmc and scpi parser library

More info on the experimental functionality:

 PST.. Experimental event / trigger support for Pico SCPI labTool - 1: investigate
PST.. Experimental event / trigger support for Pico SCPI labTool - 2: design the registers
PST.. Experimental event / trigger support for Pico SCPI labTool - 3: Instrument Specific Registers Test
PST.. Experimental event / trigger support for Pico SCPI labTool - 4: let TinyUSB USBTMC code use SCPI-LIB's Status Byte register
PST.. Experimental event / trigger support for Pico SCPI labTool - 5: Propagation to IEEE488.2 SCPI Registers Test

How to get the software (binary included)

check this post for a "how to install firmware and run the first LabVIEW process" video.

download link info
Pico firmware backwards compatible with previous versions. includes the .uf2 file to program your Pico right away
LabVIEW driver backwards compatible with previous versions. driver blocks for new functionality and extra examples

Command reference

This section describes the added commands. It lists

  • the SCPI syntax,
  • LabVIEW Virtual Instrument driver block
  • the pins that are used, 
  • parameters, return values.
digital input registers query the registers of a digital input, set filter and fan-out to IEEE488.2 Operation Status register

bits:

0: GP20
1: GP21
2: GP27

registers:

CONDition
PTRansition
NTRansition
EVENt
ENABle

fan-out to IEEE488.2:

Operation Status[0]
SCPI STATus:OPERation:DIGItal:INPut:CONDition?
STATus:OPERation:DIGItal:INPut:PTRansition
STATus:OPERation:DIGItal:INPut:PTRansition?
STATus:OPERation:DIGItal:INPut:NTRansition
STATus:OPERation:DIGItal:INPut:NTRansition?
STATus:OPERation:DIGItal:INPut:EVENt?
STATus:OPERation:DIGItal:INPut:ENABle
STATus:OPERation:DIGItal:INPut:ENABle?

VI Use LabVIEW VISA write and read

For the compete reference:  PST.. Program the Pico SCPI labTool? 

LabVIEW

This version doesn't include LabVIEW changes. I cut a driver release, to keep the versions in sync.

link to all posts

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