On 09/28 05:03, Mateusz Lenik wrote:
> On Thu, Sep 28, 2017 at 05:03:14PM +0200, tu...@posteo.de wrote:
> > I have one of these:
> >
> > Bus 006 Device 018: ID 16d0:0753 MCS Digistump DigiSpark
> >
> > ... snip ...
> >
> > 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"
> 
> This udev rule looks fine, it tries to make the device nodes 
> readable/writeable to everyone and makes modemmanager ignore it.
> 
> My guess would be that you don't have the correct serial port driver 
> built or loaded, so ttyACM nodes are not created at all.
> 
> Take a look at dmesg contents when the device gets plugged in.
> 
> -- 
> mlen


Hi mlen,

thanks for your help ! :)

The interesting thing is: I have a pololu avr programmer (v20, an
ISP-programmer it is), which uses also /dev/ttyACM<n>...and that
one works fine. I plugged it in simultanously to ensure all drivers
get loaded...and then I plugged in the Digispark...and udec does 
nothing.

Or do I misinterpret here something?

Cheers
Meino




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