On 09/28 05:56, Mateusz Lenik wrote: > On Thu, Sep 28, 2017 at 07:39:58PM +0200, tu...@posteo.de wrote: > > 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? > Multiple different drivers may create /dev/ttyACM<n> nodes for devices. > > For example, on my system I have multiple /dev/ttyUSB<n> nodes. Some of > them are created by cdc_ether driver, that's my LTE modem. When I plug > in a popular arduino clone that uses ch341 usb chip, it needs > a different driver called ch341. > > You probably need to build your kernel with CONFIG_USB_ACM compiled in > or enabled as a module. > > -- > mlen
Hi mlen, USB_ACM is already included into the kernel (not as module). By the way: CH340/CH341 ... I had a lot of trouble with those... Cheers Meino
