tequilaOS/platform_hardware_libhardware
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

am 1511e20f: improved comments and added a minDelay attribute to sensor_t

Browse source 
Merge commit '1511e20fbbdfe7bf30b9de73f06fc981eb494f09' into gingerbread-plus-aosp

* commit '1511e20fbbdfe7bf30b9de73f06fc981eb494f09':
  improved comments and added a minDelay attribute to sensor_t
This commit is contained in:
Mathias Agopian 2010-07-29 18:18:55 -07:00 committed by Android Git Automerger
commit bb2c87ea03
1 changed files with 11 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
include/hardware/sensors.h
View file

@ -321,8 +321,12 @@ struct sensor_t {
float resolution;
/* rough estimate of this sensor's power consumption in mA */
float power;
/* minimum delay allowed between events in microseconds. A value of zero
* means that this sensor doesn't report events at a constant rate, but
* rather only when a new data is available */
int32_t minDelay;
/* reserved fields, must be zero */
void* reserved[9];
void* reserved[8];
};
@ -344,7 +348,10 @@ struct sensors_poll_device_t {
int handle, int enabled);
/**
* Set the delay between sensor events in nanoseconds for a given sensor
* Set the delay between sensor events in nanoseconds for a given sensor.
* It is an error to set a delay inferior to the value defined by
* sensor_t::minDelay. If sensor_t::minDelay is zero, setDelay() is
* ignored and returns 0.
*
* @return 0 if successful, < 0 on error
*/
@ -353,8 +360,10 @@ struct sensors_poll_device_t {
/**
* Returns an array of sensor data.
* This function must block until events are available.
*
* @return the number of events read on success, or -errno in case of an error.
* This function should never return 0 (no event).
*
*/
int (*poll)(struct sensors_poll_device_t *dev,