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White Rabbit Switch - Software
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Opened Jul 06, 2021 by Adam Wujek@awujek💬
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detect whether a switch is a low-jitter version

As today, the only way to detect whether a switch is a low-jitter (LJ) version is to run lm32-vuart. On LJ switch there is an entry at the beginning of the output:

--- WRS Low jitter board detected. ---

Use a register in FPGA to report presence of LJ or export in status structure from lm32. Then export this information via SNMP.

Edited Jul 06, 2021 by Adam Wujek
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Reference: project/wr-switch-sw#241