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IPC Daemon (LAD) with Independent DSP Control

Gerard
Expert 1290 points
Other Parts Discussed in Thread: AM5728

For a background please see the discussion here related to independent DSP control on the AM5728:

https://e2e.ti.com/support/arm/sitara_arm/f/791/t/509681

As reported on the thread linked above, independent control of the 2 DSP slaves was accomplished using the sysfs interface.

My question relates to the IPC daemon and the note on the IPC Daemon wiki (http://processors.wiki.ti.com/index.php/IPC_Daemon) that says "The IPC Daemon must be started after the slaves have been loaded, but before any application using IPC is run."  

The 2 DSP slaves on my system will be started/stopped randomly in time - independent of each other. In that type of scenario when should LAD be started/stopped/restarted? I'm assuming I cannot just restart it ever time I start 1 of the 2 DSP slaves as it could impact the other, currently running, DSP slave.

Thanks