Difference between revisions of "USBTMC"
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* '''USB488 subclass specification''': this specifies how to send and receive IEEE-488.1 and IEEE-488.2 commands over a USBTMC-based transport. | * '''USB488 subclass specification''': this specifies how to send and receive IEEE-488.1 and IEEE-488.2 commands over a USBTMC-based transport. | ||
The standard is freely available [ | The standard is freely available from [https://www.usb.org/sites/default/files/USBTMC_1_006a.zip usb.org]. | ||
The sigrok project | The sigrok project supports USBTMC via the respective [http://sigrok.org/gitweb/?p=libsigrok.git;a=blob;f=src/scpi/scpi_usbtmc_libusb.c libusb-1.0 based USBTMC SCPI backend] (optionally the [http://www.librevisa.org librevisa] library also has some support, though this not well-tested). | ||
== Resources == | |||
* [http://www.eetimes.com/electronics-products/test-measurement/4074421/USBTMC-Unwrapped EETimes: USBTMC Unwrapped] | |||
Latest revision as of 21:17, 6 January 2019
USBTMC (USB Test and Measurement Class) is a set of standard device class specifications, built on top of the USB standard. It is intended as a modern replacement of the venerable IEEE-488 (GPIB) standard, which is based on a large parallel connector. Two standards documents are specified:
- USBTMC specification: specifies the protocol and descriptors that allow communications between devices and client software.
- USB488 subclass specification: this specifies how to send and receive IEEE-488.1 and IEEE-488.2 commands over a USBTMC-based transport.
The standard is freely available from usb.org.
The sigrok project supports USBTMC via the respective libusb-1.0 based USBTMC SCPI backend (optionally the librevisa library also has some support, though this not well-tested).