Messages in this thread | | | Date | Sat, 12 Apr 2014 17:57:10 +0100 | From | Jonathan Cameron <> | Subject | Re: [Patch v3 6/6] iio: Added ABI description for quaternion |
| |
On 09/04/14 01:56, Srinivas Pandruvada wrote: > Added documentation for reading quaternion components for 3D rotations. > > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Your quaternion description doesn't really include all the nuances of quaternions, but will do the job without confusing anyone ;) (no particularly reason that we have to get a unit quaternion for example) > --- > Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 6e02c50..d1cad9a 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -891,3 +891,12 @@ Contact: linux-iio@vger.kernel.org > Description: > This attribute is used to get/set the integration time in > seconds. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_rot_quaternion_raw > +KernelVersion: 3.15 > +Contact: linux-iio@vger.kernel.org > +Description: > + Raw value of quaternion components using a format > + x y z w. Here x, y, and z component represents the axis about > + which a rotation will occur and w component represents the > + amount of rotation. >
| |