[gentoo-user] Re: Udev trouble: Non working rule...or...

Sorry, forgot the link...here it is:
http://digistump.com/products/1



On 09/28 03:03, tuxic@××××××.de wrote:
> Hi,
>
> may bet this is part of the theory about the relationship
> between the forest and the trees...I am trying this already
> for a longer time.
>
> I have one of these:
>
>
>
> When plugged in, lsusb reports those as:
> Bus 006 Device 018: ID 16d0:0753 MCS Digistump DigiSpark
>
> and in the verbose form:
> Bus 006 Device 018: ID 16d0:0753 MCS Digistump DigiSpark
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               1.10
>   bDeviceClass          255 Vendor Specific Class
>   bDeviceSubClass         0
>   bDeviceProtocol         0
>   bMaxPacketSize0         8
>   idVendor           0x16d0 MCS
>   idProduct          0x0753 Digistump DigiSpark
>   bcdDevice            1.06
>   iManufacturer           0
>   iProduct                0
>   iSerial                 0
>   bNumConfigurations      1
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength           18
>     bNumInterfaces          1
>     bConfigurationValue     1
>     iConfiguration          0
>     bmAttributes         0x80
>       (Bus Powered)
>     MaxPower              100mA
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         0
>       bInterfaceSubClass      0
>       bInterfaceProtocol      0
>       iInterface              0
>
> On the web site of digistump there is listed the following udev-rule,
> which I copy-pasted into
> ls -l /etc/udev/rules.d/49-micronucleus.rules
> -rw-r--r-- 1 root root 809 2017-09-28 16:23 /etc/udev/rules.d/49-micronucleus.rules
>
> the contents of that rule is:
>
> # UDEV Rules for Micronucleus boards including the Digispark.
> # This file must be placed at:
> #
> # /etc/udev/rules.d/49-micronucleus.rules    (preferred location)
> #   or
> # /lib/udev/rules.d/49-micronucleus.rules    (req'd on some broken systems)
> #
> # After this file is copied, physically unplug and reconnect the board.
> #
> SUBSYSTEMS=="usb", ATTRS{idVendor}=="16d0", ATTRS{idProduct}=="0753", MODE:="0666"
> KERNEL=="ttyACM*", ATTRS{idVendor}=="16d0", ATTRS{idProduct}=="0753", MODE:="0666", ENV{ID_MM_DEVICE_IGNORE}="1"
> #
> # If you share your linux system with other users, or just don't like the
> # idea of write permission for everybody, you can replace MODE:="0666" with
> # OWNER:="yourusername" to create the device owned by you, or with
> # GROUP:="somegroupname" and mange access using standard unix groups.
> #
>
> After inserting that rule I did a
> udevadm control --reload-rules
> as root and inserted the Digispark.
>
> As listed above, lsusb could list the Digispark...but udev ignores it.
> I can find the device under /dev/bus/...., though.
> But there is no device created by udev directly in /dev.
>
> Since the Arduino-IDE needs any port to send the firmware to I am
> currentlu out of business.
>
> I can see the trees...but where is the forest?
>
> Thanks a lot for any enlightment in advance!
> Cheers
> Meino
>
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