support humidity sensor type
Change-Id: I7600d64ea28d2eefc20104cbf81270ddad9d57c0
diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h
index 7f9706b..297d31a 100644
--- a/include/hardware/sensors.h
+++ b/include/hardware/sensors.h
@@ -61,6 +61,7 @@
#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 @@
* 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 @@
/* pressure in hectopascal (hPa) */
float pressure;
+
+ /* relative humidity in percent */
+ float relative_humidity;
};
uint32_t reserved1[4];
} sensors_event_t;