On Thu, Aug 5, 2010 at 03:45, Philip Tait <philip@xxxxxxxx> wrote:
> I have been trying to overcome the loss of the '%e' enumeration
> variable to make a version of the Edgeport rules that will work with
> the current version of Udev.
>
> Old version:
>
> BUS="usb" SYSFS{idVendor}="1608" SYSFS{idProduct}=="0244"
> SYSFS{serial}=="*-0" NAME="%k" SYMLINK="ttyEDGE8_0_%e"
> BUS="usb" SYSFS{idVendor}="1608" SYSFS{idProduct}=="0244"
> SYSFS{serial}=="*-1" NAME="%k" SYMLINK="ttyEDGE8_1_%e"
>
> Replacing it with '%m" doesn't work, because then the numbering is
> dependent on the presence of other USB-serial devices.
>
> I tried this:
>
> ENV{portnum}=ATTRS{port_number}
> BUS=="usb",SYSFS{idVendor}=="1608",SYSFS{idProduct}=="0244",SYSFS{serial}=="I01846004-0",
> NAME="%k",SYMLINK="ttyEDGE8_%E{portnum}"`
> BUS=="usb",SYSFS{idVendor}=="1608",SYSFS{idProduct}=="0244",SYSFS{serial}=="I01846004-1",
> NAME="%k",SYMLINK="ttyEDGE8_%E{portnum}"`
> BUS=="usb",SYSFS{idVendor}=="1608",SYSFS{idProduct}=="0244",SYSFS{serial}=="I01846004-2",
> NAME="%k",SYMLINK="ttyEDGE8_%E{portnum}"`
> BUS=="usb",SYSFS{idVendor}=="1608",SYSFS{idProduct}=="0244",SYSFS{serial}=="I01846004-3",
> NAME="%k",SYMLINK="ttyEDGE8_%E{portnum}"`
>
> but this didn't work, I think because the 'port_number' attribute is
> defined at a different hierarchical level than the 'serial' attribute:
I guess that's all covered by the standard: /dev/serial/by-*/.
Kay
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