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SK-TDA4VM: MCU Domain UART Access

Part Number: SK-TDA4VM


I have a use case where we would like to get the access to the UART connected to the MCU domain. By the docs I can find that the MCU domain UART is connected to /dev/ttyUSB1 (available on the host).

But when I try to open a minicom window on that interface nothing shows up. Also none of the print statements from the "ipc_echo_test" which is running on MCU are getting printed.

So, is it possible to access that UART connection and probe the ttyUSB1 interface? If it is please help me on how to do that.