How to get the value of the usec counter

Autonomous Machines Jetson & Embedded Systems Jetson Orin NX
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1

Hi sir
From the TRM, I can see there have three registers can get the usec counter. what’s relation of them? Is there any sample to use this usec module?

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8F60480A-A8C1-489b-9373-B5F3343C88FC1362×558 59.6 KB

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3

Not sure if it’s below timer API.

https://docs.nvidia.com/jetson/archives/r34.1/spe/md__home_dipenp_Downloads_l4t-rt_rt-aux-cpu-demo-fsp_doc_timer-app.html

5

Hi sir
This docs is for SPE, it is a Cortex-R5. I want to know the linux API in the A78.
Thanks!