Test & Measurement


Sniffer software gets J-Link RTT terminal plugin

31 July 2019 Test & Measurement

Despite being fans of the Real-Time Trace (RTT) feature in Segger’s J-Link debug probes, engineers at Tibbo found that Segger’s own RTT Viewer software was a bit too simple for their needs, and so created an RTT terminal plugin for IO Ninja.

IO Ninja is Tibbo’s all-in-one terminal emulator, protocol analyser and I/O monitor, and the new plugin can be used with the J-Link Probe to take advantage of all the features offered by IO Ninja, including its ability to accumulate and navigate massive logs.

IO Ninja can monitor serial traffic on a remote device (such as a Raspberry Pi board) through an SSH connection. The latest release adds the ability to first record the serial communications dump, and then view it in the tool.

Layers exist to extend the functionality of IO Ninja session plugins. For example, the user can start a serial session and add a Modbus analyser layer to it. The same Modbus analyser layer can be added to other sessions (serial monitor, serial tap, TCP flow monitor, etc.), which is why the tool’s layers exist independently from session plugins.

The improvements added to release 3.11 allow users to start sessions with required layers already added; apply layers to log (*.njlog) files; change the order of layers; and add and remove several layers at the same time. It also makes it easy to run an IO Ninja session as Administrator, for example to monitor devices such as serial ports or named pipes.

For more information contact Andrew Hutton, RF Design, +27 21 555 8400, andrew@rfdesign.co.za



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