As part of the deep sleep work in #211, we moved the matrix KSCAN driver to using the nrf "PORT" events, which enables key presses to wake from sleep, and reduces power usage, and allows for more "input pins", since "IN" events have a limit of 8 on that platform.

We didn't do the same work for the direct driver, so those boards won't properly wake from sleep, nor work for large number of inpu

• support --mf <file_name> in west init and add manifest.file to the config
• also fall back on west.yaml if west.yml is missing

The pinetime watch has a small motor to produce vibration. Let's imake it work !

The motor is plugged on the GPIO P0.16 of the NRF52. See image.

I guess simply driving low and high this GPIO would make it work.
We will need some kind of thread or timer if we want to make some spec