diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hardware/sensors.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h index 7439c5e..30bff91 100644 --- a/include/hardware/sensors.h +++ b/include/hardware/sensors.h @@ -118,6 +118,9 @@ __BEGIN_DECLS * * All values are angles in degrees. * + * Orientation sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * * azimuth: angle between the magnetic north direction and the Y axis, around * the Z axis (0<=azimuth<360). * 0=North, 90=East, 180=South, 270=West @@ -153,6 +156,9 @@ __BEGIN_DECLS * All values are in SI units (m/s^2) and measure the acceleration of the * device minus the force of gravity. * + * Acceleration sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * * x: Acceleration minus Gx on the x-axis * y: Acceleration minus Gy on the y-axis * z: Acceleration minus Gz on the z-axis @@ -177,6 +183,9 @@ __BEGIN_DECLS * All values are in micro-Tesla (uT) and measure the ambient magnetic * field in the X, Y and Z axis. * + * Magnetic Field sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * * Proximity * --------- * @@ -185,11 +194,17 @@ __BEGIN_DECLS * the sensor should report its maxRange value in the "far" state and a value * less than maxRange in the "near" state. * + * Proximity sensors report a value only when it changes. setDelay() is + * ignored. + * * Light * ----- * * The light sensor value is returned in SI lux units. * + * Light sensors report a value only when it changes. setDelay() is + * ignored. + * */ typedef struct { union { |