nRF Connect Linux - not able to find ttyACM0

[Alexey Roslyakov]

I couldn't use nRF Connect (BLE) under Linux, after updating the FW, it tries to open /dev/ttyACM0 but fails to do so.

1. Not a "permission" problem: the user is in uucp and dialup groups already. Even tried to change permissions on /dev/ttyACM0 to 777 - still the same problem.
2. I observe some led activity on PCA10000 when it tries to "open" the port.
3. I see it detected FW version, so "Not able to find" is definitely misleading error message.

I'm ready to provide strace log, feel free to PM me.

Thank you.

[ketil]

Hi,

PCA10000 is not supported in nRF Connect. Use PCA10031 if you want a dongle. Alternatively you may use any of the following DKs: PCA10028, PCA10040 or PCA10056.

Ketil

[Pawel]

Hi Ketil, I am observing exactly the same behavior when connecting to PCA10068. strace shows that ttyACM0 can be opened: open("/dev/ttyACM0", O_RDWR|O_NOCTTY|O_NONBLOCK|O_SYNC|O_CLOEXEC) = 37

It seems that it scans /sys to associate the tty with USB (or something). [pid 10126] open("/sys/devices/pci0000:00/0000:00:06.0/usb1/1-2/1-2:1.0/tty/ttyACM0/uevent", O_RDONLY|O_CLOEXEC) = 37

Anyway the effect is the same as in the bug: "Not able to find /dev/ttyACM0" Is PCA10068 also not supported?