Serial connection doesn't work the first time after boot - Raspberry Pi Forums

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i have connected attiny raspberry pi starts sending serial data it's powered (before pi boots).

command

code: select all

screen /dev/ttyama0
doesn't work first time after booting. there no error message, no serial data received. stopping , running again works, serial data displayed.

followed this disable serial console.

in use case i'm running python script @ boot should receive serial data. opening , closing serial connection within python doesn't work either, need stop python , run script again work.

thank you

try using sudo raspi-config disable serial console properly.


raspberrypi



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