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MMWCAS-DSP-EVM: How to set the acquisition timestamp to Linux system or RTOS system time

Part Number: MMWCAS-DSP-EVM

Tool/software:

Currently, I can use the apps.out file to store data in /mnt/ssd, and parse the file timestamp based on the structure of the following in*_idx.bin, Timestamp: 1756727314, which should be a timestamp counted from the system startup time, in microseconds (us).

I also have a camera sensor, and I want to synchronize the time of MMWCAS-DSP-EVM and the camera using the PTP protocol. I understand that apps.out does not provide source code; how can I set the timestamp to RTOS or LINUX time?

If I develop it myself, how can I implement the data flow from the IPU core to the A15 core, and save it in the /mnt/ssd mounted by the A15 core Linux?

Additionally, can I directly save the raw data to /mnt/ssd from the cascade_radar_capture_only example running on RTOS?