Cross Reference: /hardware/libhardware/include/hardware/sensors.h

Lines Matching refs:device
35  * Name of the sensors device to open
95  * This API is relative to the screen of the device in its default orientation,
96  * that is, if the device can be used in portrait or landscape, this API
98  * the axis are not swapped when the device's screen orientation changes.
162  *  device minus the force of gravity.
172  *    When the device lies flat on a table and is pushed on its left side
175  *    When the device lies flat on a table, the acceleration value is +9.81,
176  *    which correspond to the acceleration of the device (0 m/s^2) minus the
179  *    When the device lies flat on a table and is pushed toward the sky, the
181  *    acceleration of the device (+A m/s^2) minus the force of 
201  *  looking from some positive location on the x, y or z axis at a device
202  *  positioned on the origin would report positive rotation if the device
240  * acceleration sensor. When the device is at rest, the output of the
246  * Indicates the linear acceleration of the device in device coordinates,
255  * A rotation vector represents the orientation of the device as a combination
256  * of an angle and an axis, in which the device has rotated through an angle
270  * the ground at the device's current location and roughly points East).
272  * - Y is tangential to the ground at the device's current location and
431  * Every device data structure must begin with hw_device_t
471 /** convenience API for opening and closing a device */
474         struct sensors_poll_device_t** device) {
476             SENSORS_HARDWARE_POLL, (struct hw_device_t**)device);
479 static inline int sensors_close(struct sensors_poll_device_t* device) {
480     return device->common.close(&device->common);