Make sure there is no flow control enabled - what is the output of "sudo stty -F /dev/ttyS0 -a"?
It's probably also worth verifying with pinctrl/raspi-gpio that TXD1 and RXD1 are not also mapped to any other pins.
It's probably also worth verifying with pinctrl/raspi-gpio that TXD1 and RXD1 are not also mapped to any other pins.
Statistics: Posted by PhilE — Sat Feb 03, 2024 10:00 am