we will be using the Beagle USB 480 Protocol Analyzer to sniff a USB bus. This analyzer combined with the Data Center Software allows users to non-intrusively monitor the USB bus in true ...

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, ...

The HP4952A Protocol Analyzer actually looks a lot like an old computer, even if it was never meant for general-purpose use. The heart of the machine is a Zilog Z80 CPU, though, so it shares a lot ...

The Saleae Analyzer SDK is used to create Low Level Analyzers (LLA) for the Saleae Logic software via a plugin architecture. These plugins are used to decode protocol data from captured waveforms. In ...

Still, the software looks nice and even has an SPI protocol analyzer. It is all open source, so if you want other protocols before the author gets to them, you could always do it yourself.

The USB protocol analyzer shows that the control read transfer is composed of two packets (64-length packet and zero-length packet) for the data stage. (We are selling it for 10 years.) I'm porting ...