ttyUSB0,linux下USB转串口驱动
usb 1-1.1: new full-speed USB device number 5 using ehci-pci
usb 1-1.1: New USB device found, idVendor=067b, idProduct=2303
usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1.1: Product: USB-Serial Controller
usb 1-1.1: Manufacturer: Prolific Technology Inc.
usbcore: registered new interface driver usbserial
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial support registered for generic
usbcore: registered new interface driver pl2303
usbserial: USB Serial support registered for pl2303
usb 1-1.1: pl2303 converter now attached to ttyUSB0
[root@node3 vincent]# ls -l /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 0 Dec 4 14:38 /dev/ttyUSB0
已经显示连上了,波特率什么的也都设置好了,但是不管用minicom还是自己写的open函数去读/dev/ttyUSB0,都读不到任何数据,请问是什么原因,我已经是root权限了。