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UART 3 configuration on BPI M2+


freeman32

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4 hours ago, freeman32 said:

console=ttyS0,115200

ttyS0 is the debug port on the 3 pin header ...

2 hours ago, freeman32 said:

do you think this can come from a right problem on port uart3 ?

No ! Because I had this UART0 on my board when I've tested the UART3.

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with armbian ubuntu bionic I can do this but not under the debian stretch

 

root@bananapim2plus:~# echo -e "\x7E\x03\xD0\xAF Hello" > /dev/ttyS3

root@bananapim2plus:~# cat /dev/ttyS3
~P/ Hello

with a wire between pin 8 and 10 but pitinfo dont working i don't know wy

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