If it is really not available, you have to download it online.
If not, you need a driver program, which is generally provided by the hardware manufacturer. Usb 2-2: PL-2303 converter now attached tottyUSB0 (or usb/tts/0 for devfs) It means that the device has been recognized, and then look downĭrivers/usb/serial/usb-serial.c: USB Serial support registered for PL-2303 In addition, if there is any, it is best to use dmesg | grep usb search if you see:ĭrivers/usb/serial/usb-serial.c: USB Serial support registered for Generic" If there is, there is no need to install the driver. ġ) Display the status information of the modules that have been loaded into the kernelĮnter #lsmod to see if the device can be detected first, and then see if there is pl2303.
Note: ubuntu in the virtual machine environment cannot be automatically recognized by default, you need to click "Prolific USB-Serial Controller" in the lower right corner of the virtual machine window, and then select "Connect (Disconnect from Host)", so that it can be recognized by the ubuntu system. View newly added serial ports and USB devices
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