diff options
| -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 9c2aa2a..7819a71 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 #define SENSOR_TYPE_AMBIENT_TEMPERATURE 13 /** @@ -287,6 +288,17 @@ __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. + * + * * Ambient Temperature * ------------------- * @@ -361,6 +373,9 @@ 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; |