On Mon, 2023-08-07 at 14:12 +0300, Ramona Bolboaca wrote: > The delta angle is defined as a piece-wise integration of angular > velocity data. The delta angle represents the amount of > angular displacement between two consecutive measurements and it > is measured in radians. > > In order to track the total angular displacement during a desired > period of time, simply sum-up the delta angle samples acquired > during that time. > > IIO currently does not offer a suitable channel type for this > type of measurements hence this patch adds it. > > Signed-off-by: Ramona Bolboaca <ramona.bolboaca@xxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-iio | 14 ++++++++++++++ > drivers/iio/industrialio-core.c | 1 + > include/uapi/linux/iio/types.h | 1 + > tools/iio/iio_event_monitor.c | 2 ++ > 4 files changed, 18 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio > b/Documentation/ABI/testing/sysfs-bus-iio > index a2854dc9a839..32675fa7dc6f 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -279,6 +279,20 @@ Description: > but should match other such assignments on device). > Units after application of scale and offset are m/s^2. > > +What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_x_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_y_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_z_raw I wonder if we also need to add these to the scan element specific bits? From a quick look, it seems not all supported attributes are in there so I'm not sure what's the policy in here :) - Nuno Sá
