1.1先安装好Serial:
1.2出现:error while loading shared libraries: libserial.so: cannot open shared object file: No such file or
export LD_LIBRARY_PATH=/where/you/install/lib:$LD_LIBRARY_PATH
sudo ldconfig
#查看用户组
ls -l /dev/ttyUSB0
#显示
crw-rw---- 1 root dialout 188, 0 5月 3 16:59 /dev/ttyUSB0
#查看当前用户名
whoami
#显示
casso
#永久打开USB串口
sudo usermod -aG dialout casso