diff options
author | Urs Fleisch <urs.fleisch@gmail.com> | 2010-12-29 17:00:33 +0100 |
---|---|---|
committer | Jean-Baptiste Queru <jbq@google.com> | 2011-04-12 17:25:57 -0700 |
commit | d2ed15a6b81a9a2fd95c1a565f72796869545115 (patch) | |
tree | e2d57950f4bb99ce79fff891aaeb96f3c10746ea | |
parent | 3629275560f4a952cedd69c76b7b96b3b490f6f6 (diff) | |
download | libhardware-d2ed15a6b81a9a2fd95c1a565f72796869545115.tar.gz |
support humidity sensor type
Change-Id: I7600d64ea28d2eefc20104cbf81270ddad9d57c0
-rw-r--r-- | include/hardware/sensors.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h index 7f9706b9..297d31a7 100644 --- a/include/hardware/sensors.h +++ b/include/hardware/sensors.h @@ -61,6 +61,7 @@ __BEGIN_DECLS #define SENSOR_TYPE_GRAVITY 9 #define SENSOR_TYPE_LINEAR_ACCELERATION 10 #define SENSOR_TYPE_ROTATION_VECTOR 11 +#define SENSOR_TYPE_RELATIVE_HUMIDITY 12 /** * Values returned by the accelerometer in various locations in the universe. @@ -267,6 +268,14 @@ __BEGIN_DECLS * sensors_event_t.data[2] = z*sin(theta/2) * sensors_event_t.data[3] = cos(theta/2) * + * Relative Humidity + * ----------------- + * + * A relative humidity sensor measures relative ambient air humidity and + * returns a value in percent. + * + * Relative humidity sensors report a value only when it changes and each + * time the sensor is enabled. setDelay() is ignored. */ typedef struct { @@ -333,6 +342,9 @@ typedef struct sensors_event_t { /* pressure in hectopascal (hPa) */ float pressure; + + /* relative humidity in percent */ + float relative_humidity; }; uint32_t reserved1[4]; } sensors_event_t; |