ubuntu安装ch34x驱动，并安装串口调试助手

1、查看系统自带的ch34x驱动

kangxubo@kangxubo-HKNS:/lib/modules/5.19.0-38-generic/kernel/drivers/usb/serial$ ls
aircable.ko         ftdi_sio.ko     kobil_sct.ko  pl2303.ko            usb_debug.ko
ark3116.ko          garmin_gps.ko   mct_u232.ko   qcaux.ko             usbserial.ko
belkin_sa.ko        io_edgeport.ko  metro-usb.ko  qcserial.ko          usb-serial-simple.ko
ch341.ko            io_ti.ko        mos7720.ko    quatech2.ko          usb_wwan.ko
cp210x.ko           ipaq.ko         mos7840.ko    safe_serial.ko       visor.ko
cyberjack.ko        ipw.ko          mxuport.ko    sierra.ko            whiteheat.ko
cypress_m8.ko       ir-usb.ko       navman.ko     spcp8x5.ko           wishbone-serial.ko
digi_acceleport.ko  iuu_phoenix.ko  omninet.ko    ssu100.ko            xr_serial.ko
empeg.ko            keyspan.ko      opticon.ko    symbolserial.ko      xsens_mt.ko
f81232.ko           keyspan_pda.ko  option.ko     ti_usb_3410_5052.ko
f81534.ko           kl5kusb105.ko   oti6858.ko    upd78f0730.ko
kangxubo@kangxubo-HKNS:/lib/modules/5.19.0-38-generic/kernel/drivers/usb/serial$