UART comunication

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Andrzej Raczkowski edited this page Jun 25, 2019 · 3 revisions

temporarily suppress all kernel logging to the console

sudo dmesg -n 1

set permissions

chmod 666 /dev/ttyS0

cat

cat < /dev/ttyS0

set baud speed for ttyS0

stty -F /dev/ttyS0 9600

volume plus

echo 'COM+VP\r\n' > /dev/ttyS0

stty -F /dev/ttyS0 9600 && echo 'COM+VP\r\n' > /dev/ttyS0

TODO

Disable shell on the serial connection

Disable kernel messages on the serial connection