fire@fire-test:~$ lsmod |grep usb
usbserial 49152 1 pl2303
fire@fire-test:~$dmesg
[ 383.172363] usb 2-1.4: new full-speed USB device number 7 using ehci-pci
[ 383.281509] usb 2-1.4: New USB device found, idVendor=067b, idProduct=2303
[ 383.281513] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 383.281516] usb 2-1.4: Product: USB-Serial Controller
[ 383.281518] usb 2-1.4: Manufacturer: Prolific Technology Inc.
[ 383.281919] pl2303 2-1.4:1.0: pl2303 converter detected
[ 383.283479] usb 2-1.4: pl2303 converter now attached to ttyUSB0
[ 421.985446] usb 2-1.1: reset high-speed USB device number 3 using ehci-pci
就可以找到是那个usb了
如果没有usbserial 或者 驱动 pl2303 就需要查找所需要的驱动(百度)
安装完成后可能需要重启一下
第一次还需要开启
设定Ctrl-A -> O -> Serial Port Setup -> Hardware flow control,
1. Serial port setup -->Hardware Flow Contorl : NO
2. Serial port setup -->Software Flow Control : Yes
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