604a4dd8aa
There is already a commented out rule in the example udev rules file "z99_comedi.rules" to set the mode to 0660 and set the group owner to "comedi". Add an almost identical commented out rule to set the group owner to "iocard" as this is favoured by Debian.
43 lines
1.6 KiB
Text
43 lines
1.6 KiB
Text
#This file provides some example udev rules which may be helpful for comedi.
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#It includes rules for creating symlinks to the device file with
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#persistent names in /dev/comedi/by-path/, setting permissions and
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#group ownership on the comedi device files, and examples showing
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#adjustment of a device file's buffer size.
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SUBSYSTEM!="comedi", GOTO="comedi_end"
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ACTION!="add", GOTO="comedi_add_end"
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#create symlink with persistent name based on hardware path
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KERNEL=="comedi[0-9]*", KERNEL!="comedi[0-9]*_subd[0-9]*", SUBSYSTEMS=="pci", SYMLINK+="comedi/by-path/pci-$id"
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#persistent subdevice symlinks
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KERNEL=="comedi[0-9]*subd[0-9]*", SUBSYSTEMS=="pci", SYMLINK+="comedi/by-path/pci-$id_subd%n"
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#The following line would automatically run comedi_config on main device file
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#to adjust the read buffer size for a specific board at pci path
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#0000:07:0d.0 (bus 0x7, slot 0xd).
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#KERNEL=="comedi[0-9]*", KERNEL!="comedi[0-9]*_subd[0-9]*", SUBSYSTEMS=="pci", KERNELS=="0000:07:0d.0", RUN+="/usr/local/sbin/comedi_config $tempnode --read-buffer 1024"
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#Here we do the same, except we are matching by pci vendor/device id instead of bus/slot
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#KERNEL=="comedi[0-9]*", KERNEL!="comedi[0-9]*_subd[0-9]*", SUBSYSTEMS=="pci", ATTRS{vendor}=="0x1093", ATTRS{device}=="0x70bf", RUN+="/usr/local/sbin/comedi_config $tempnode --read-buffer 1024"
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# wide open device file permissions
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KERNEL=="comedi[0-9]*", MODE="0666"
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# device files restricted to the "comedi" group
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#KERNEL=="comedi[0-9]*", MODE="0660", GROUP="comedi"
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# device files restricted to the "iocard" group
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#KERNEL=="comedi[0-9]*", MODE="0660", GROUP="iocard"
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LABEL="comedi_add_end"
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LABEL="comedi_end"
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