[root@luckfox etc]# stty -F /dev/ttyS1
speed 9600 baud; line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;
-brkint -imaxbel
[root ...

版本: Pico Ultra 无WIFI
烧录镜像:ultra-w-buildroot

现象: 串口一直输出乱码

[root@luckfox root]# ls /dev | grep ttyS
ttyS1
系统中有ttyS1
连接68(TX)/69(RX) GND

串口部分截取:
[16:02:20.287] d$;L1$((7 &!T
[16:02:21.205] B
[16:02:21.479] h]€eLa 80 %
[16:02:22.508] ma€`79
[16:02:22.856] !18"0LK80i
[16:02:23.484] pz#b`02#qX;DH€€D ...