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@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxx +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.
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