在gentoo上,我有10个USB调制解调器,每个调制解调器都有3个接口/dev/ttyUSB0 0、1、2等等。有时候他们的位置会改变,所以很难和他们一起工作。
我正在处理每个调制解调器的第一个接口。因此,对于第一个调制解调器,它将是ttyUSB0,其他ttyUSB1和ttyUSB2,我不需要发送命令到调制解调器。
如何为每个规则编写静态udev规则,使它们具有固定位置,以及如何在类似modem-xxxxxxx接口的情况下重命名ttyUSB0,以便更容易地使用它们?
lsusb产出:
client dev # lsusb
Bus 002 Device 039: ID 12d1:1001 Huawei Technologies Co., Ltd. E169/E620/E800 HSDPA Modem
华为调制解调器的dmesg输出:
[166041.393547] usb 2-6: default language 0x0409
[166041.402548] usb 2-6: udev 40, busnum 2, minor = 167
[166041.402552] usb 2-6: New USB device found, idVendor=12d1, idProduct=1001
[166041.402555] usb 2-6: New USB device strings: Mfr=1, Product=2, SerialNumber=1
[166041.402558] usb 2-6: Product: HUAWEI Mobile
[166041.402660] usb 2-6: usb_probe_device
[166041.402664] usb 2-6: configuration #1 chosen from 1 choice
[166041.405566] usb 2-6: adding 2-6:1.0 (config #1, interface 0)
[166041.408589] option 2-6:1.0: usb_probe_interface
[166041.408593] option 2-6:1.0: usb_probe_interface - got id
[166041.408600] option 2-6:1.0: GSM modem (1-port) converter detected
[166041.408803] usb 2-6: GSM modem (1-port) converter now attached to ttyUSB0
[166041.408835] usb 2-6: adding 2-6:1.1 (config #1, interface 1)
[166041.411572] option 2-6:1.1: usb_probe_interface
[166041.411576] option 2-6:1.1: usb_probe_interface - got id
[166041.411581] option 2-6:1.1: GSM modem (1-port) converter detected
[166041.411683] usb 2-6: GSM modem (1-port) converter now attached to ttyUSB1
[166041.411703] usb 2-6: adding 2-6:1.2 (config #1, interface 2)
[166041.414572] option 2-6:1.2: usb_probe_interface
[166041.414576] option 2-6:1.2: usb_probe_interface - got id
[166041.414580] option 2-6:1.2: GSM modem (1-port) converter detected
[166041.414682] usb 2-6: GSM modem (1-port) converter now attached to ttyUSB2
[166041.414714] hub 2-0:1.0: state 7 ports 10 chg 0000 evt 0040
试图找到这样的端口地址:
client rules.d # udevadm info -q path -n /dev/ttyUSB0
/devices/pci0000:00/0000:00:02.0/usb2/2-6/2-6:1.0/ttyUSB0/tty/ttyUSB0
然后创建了文件/etc/udev/ file .d/10-local.Rule,并编写了如下行:
KERNEL=="ttyUSB*", KERNELS=="2-6:1.0", NAME="ttyUSB0_654"
KERNEL=="ttyUSB*", KERNELS=="2-6:1.1", NAME="ttyUSB1_654"
KERNEL=="ttyUSB*", KERNELS=="2-6:1.2", NAME="ttyUSB2_654"
但看起来不管用。
发布于 2013-03-20 20:30:52
在一些聊天中的讨论之后,这个符号链接似乎已经存在于/dev/serial/by-path/
中并将工作。
https://unix.stackexchange.com/questions/68588
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