# Copyright 2006 The Android Open Source Project
# Setting LOCAL_PATH will mess up all-subdir-makefiles, so do it beforehand.
-SAVE_MAKEFILES := $(call all-subdir-makefiles)
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SHARED_LIBRARIES += libdl
endif
-include $(SAVE_MAKEFILES)
-
LOCAL_SRC_FILES += hardware.c
# need "-lrt" on Linux simulator to pick up clock_gettime
include $(addsuffix /Android.mk, $(addprefix $(LOCAL_PATH)/, \
modules/gralloc \
+ tests \
))
\ No newline at end of file
} sensors_data_t;
+
+/**
+ * Union of the various types of sensor data
+ * that can be returned.
+ */
+typedef struct sensors_event_t {
+ /* must be sizeof(struct sensors_event_t) */
+ int32_t version;
+
+ /* sensor identifier */
+ int32_t sensor;
+
+ /* sensor type */
+ int32_t type;
+
+ /* reserved */
+ int32_t reserved0;
+
+ /* time is in nanosecond */
+ int64_t timestamp;
+
+ union {
+ float data[16];
+
+ /* acceleration values are in meter per second per second (m/s^2) */
+ sensors_vec_t acceleration;
+
+ /* magnetic vector values are in micro-Tesla (uT) */
+ sensors_vec_t magnetic;
+
+ /* orientation values are in degrees */
+ sensors_vec_t orientation;
+
+ /* temperature is in degrees centigrade (Celsius) */
+ float temperature;
+
+ /* distance in centimeters */
+ float distance;
+
+ /* light in SI lux units */
+ float light;
+ };
+ uint32_t reserved1[4];
+} sensors_event_t;
+
+
+
struct sensor_t;
/**
*
*/
int (*poll)(struct sensors_poll_device_t *dev,
- sensors_data_t* data, int count);
+ sensors_event_t* data, int count);
};
list[i].power);
}
- sensors_data_t buffer[16];
+ sensors_event_t buffer[16];
err = sensors_open(&module->common, &device);
if (err != 0) {
printf("read %d events:\n", n);
for (int i=0 ; i<n ; i++) {
- const sensors_data_t& data = buffer[i];
+ const sensors_event_t& data = buffer[i];
+
+ if (data.version != sizeof(sensors_event_t)) {
+ printf("incorrect event version (version=%d, expected=%d",
+ data.version, sizeof(sensors_event_t));
+ break;
+ }
+
switch(data.sensor) {
case SENSOR_TYPE_ACCELEROMETER:
printf("sensor=%s, time=%lld, value=<%5.1f,%5.1f,%5.1f>\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.acceleration.x,
data.acceleration.y,
data.acceleration.z);
case SENSOR_TYPE_MAGNETIC_FIELD:
printf("sensor=%s, time=%lld, value=<%5.1f,%5.1f,%5.1f>\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.magnetic.x,
data.magnetic.y,
data.magnetic.z);
case SENSOR_TYPE_ORIENTATION:
printf("sensor=%s, time=%lld, value=<%5.1f,%5.1f,%5.1f>\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.orientation.azimuth,
data.orientation.pitch,
data.orientation.roll);
case SENSOR_TYPE_PROXIMITY:
printf("sensor=%s, time=%lld, value=%f\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.distance);
break;
case SENSOR_TYPE_TEMPERATURE:
printf("sensor=%s, time=%lld, value=%f\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.temperature);
break;
case SENSOR_TYPE_LIGHT:
printf("sensor=%s, time=%lld, value=%f\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.light);
break;
default:
printf("sensor=%s, time=%lld, value=<%f,%f,%f>\n",
getSensorName(data.sensor),
- data.time,
+ data.timestamp,
data.acceleration.x,
data.acceleration.y,
data.acceleration.z);