ktgoto
ktgoto
I am experiencing a similar issue on the Raspberry Pi 3B+ board running Raspberry Pi OS Lite with kernel 5.4.83-v7+. The issue is quite similar in that data corruption occurs...
Thanks for your comment pelwell. Sending device is also a RPi 3B+ board, and a ground is connected between the two boards. I just tested same programs on a CM3...
Thanks for your suggestion about locking the clock of ttyS0, but that did not solve the problem. It occurs even if not involving ttyS0, i.e. sending data from an external...