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How does the scu interact with m4 or Acore?

Question asked by liwan special on Feb 24, 2020
Latest reply on Feb 25, 2020 by liwan special


RT, in the imx8qm,  how does the scu interact with m4 or Acore?


In the m4 SDK, it can be seen that m4 communicates with the scu by the following APIs:

1.sc_misc_set_control ();

2.sc_misc_get_control ();

The api1: sc_misc_set_control ();After testing, the communication between m4 and scu can be realized.


Now, I want the scu would reply to m4 when it receives the message from m4. Similar logic has not been found in the, I want to ask how does scu send messages to m4 ?  Can you provide the demo?