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RK3399 - UART

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Post time 2019-6-25 15:08:30 | Show all posts |Read mode
Hello,

I try to use UART on the RK3399 board. The /dev/tty is protected I could use it if I do "chmod 777 /dev/tty" on shell. But I could not do this action with my app.

My question is how to open tty permanently or with app ?

Furthermore, I tried to modify the init.rc to apply these commands permanently but I could not find the boot.img for android.

Any help appreciated

Thanks

Aurel


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