有一个解决方案。迟到总比不到好;)
使用以下内容udev
映射规则/dev/ttyUSB{?}
设备进入/dev/usb-ports/%bus_id-%port_id
link.
这是我的/etc/udev/rules.d/usb-parse-devpath.rules:
ACTION=="add", KERNEL=="ttyUSB[0-9]*", PROGRAM="/etc/udev/rules.d/usb-parse-devpath.pm %p", SYMLINK+="usb-ports/%c"
And the usb-parse-devpath.pm
script:
#!/usr/bin/perl -w
@items = split("/", $ARGV[0]);
for ($i = 0; $i < @items; $i++) {
if ($items[$i] =~ m/^usb[0-9]+$/) {
print $items[$i + 1] . "\n";
last;
}
}
正如您所看到的,这有助于我们创建命名链接/dev/ttyUSB{?}
设备并将它们放置在/dev/usb-ports
采用以下格式:bus_id-port_id
.
例如,下一个命令给出以下内容:
$ udevadm info --query=path --name=/dev/ttyUSB0
/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/ttyUSB0/tty/ttyUSB0
So, the bus_id
is 3
and port_id
is 1
现在我有以下关注者/dev/usb-ports
:
$ ls -al /dev/usb-ports
lrwxrwxrwx 1 root root 10 Май 12 00:26 3-1 -> ../ttyUSB0
Regards.