4 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
26 #include <sys/types.h>
29 #include <sf_common.h>
30 #include <rv_sensor.h>
31 #include <sensor_plugin_loader.h>
32 #include <orientation_filter.h>
33 #include <cvirtual_sensor_config.h>
35 #define SENSOR_NAME "RV_SENSOR"
36 #define SENSOR_TYPE_RV "ROTATION_VECTOR"
38 #define ACCELEROMETER_ENABLED 0x01
39 #define GYROSCOPE_ENABLED 0x02
40 #define GEOMAGNETIC_ENABLED 0x04
41 #define ORIENTATION_ENABLED 7
43 #define INITIAL_VALUE -1
47 #define ELEMENT_NAME "NAME"
48 #define ELEMENT_VENDOR "VENDOR"
49 #define ELEMENT_RAW_DATA_UNIT "RAW_DATA_UNIT"
50 #define ELEMENT_DEFAULT_SAMPLING_TIME "DEFAULT_SAMPLING_TIME"
51 #define ELEMENT_ACCEL_STATIC_BIAS "ACCEL_STATIC_BIAS"
52 #define ELEMENT_GYRO_STATIC_BIAS "GYRO_STATIC_BIAS"
53 #define ELEMENT_GEOMAGNETIC_STATIC_BIAS "GEOMAGNETIC_STATIC_BIAS"
54 #define ELEMENT_ACCEL_ROTATION_DIRECTION_COMPENSATION "ACCEL_ROTATION_DIRECTION_COMPENSATION"
55 #define ELEMENT_GYRO_ROTATION_DIRECTION_COMPENSATION "GYRO_ROTATION_DIRECTION_COMPENSATION"
56 #define ELEMENT_GEOMAGNETIC_ROTATION_DIRECTION_COMPENSATION "GEOMAGNETIC_ROTATION_DIRECTION_COMPENSATION"
57 #define ELEMENT_ACCEL_SCALE "ACCEL_SCALE"
58 #define ELEMENT_GYRO_SCALE "GYRO_SCALE"
59 #define ELEMENT_GEOMAGNETIC_SCALE "GEOMAGNETIC_SCALE"
60 #define ELEMENT_MAGNETIC_ALIGNMENT_FACTOR "MAGNETIC_ALIGNMENT_FACTOR"
62 void pre_process_data(sensor_data<float> &data_out, const float *data_in, float *bias, int *sign, float scale)
64 data_out.m_data.m_vec[0] = sign[0] * (data_in[0] - bias[0]) / scale;
65 data_out.m_data.m_vec[1] = sign[1] * (data_in[1] - bias[1]) / scale;
66 data_out.m_data.m_vec[2] = sign[2] * (data_in[2] - bias[2]) / scale;
69 rv_sensor::rv_sensor()
70 : m_accel_sensor(NULL)
72 , m_magnetic_sensor(NULL)
76 cvirtual_sensor_config &config = cvirtual_sensor_config::get_instance();
78 m_name = string(SENSOR_NAME);
79 register_supported_event(ROTATION_VECTOR_EVENT_RAW_DATA_REPORT_ON_TIME);
80 m_enable_orientation = 0;
82 if (!config.get(SENSOR_TYPE_RV, ELEMENT_VENDOR, m_vendor)) {
83 ERR("[VENDOR] is empty\n");
87 INFO("m_vendor = %s", m_vendor.c_str());
89 if (!config.get(SENSOR_TYPE_RV, ELEMENT_DEFAULT_SAMPLING_TIME, &m_default_sampling_time)) {
90 ERR("[DEFAULT_SAMPLING_TIME] is empty\n");
94 INFO("m_default_sampling_time = %d", m_default_sampling_time);
96 if (!config.get(SENSOR_TYPE_RV, ELEMENT_ACCEL_STATIC_BIAS, m_accel_static_bias, 3)) {
97 ERR("[ACCEL_STATIC_BIAS] is empty\n");
101 INFO("m_accel_static_bias = (%f, %f, %f)", m_accel_static_bias[0], m_accel_static_bias[1], m_accel_static_bias[2]);
103 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GYRO_STATIC_BIAS, m_gyro_static_bias,3)) {
104 ERR("[GYRO_STATIC_BIAS] is empty\n");
108 INFO("m_gyro_static_bias = (%f, %f, %f)", m_gyro_static_bias[0], m_gyro_static_bias[1], m_gyro_static_bias[2]);
110 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GEOMAGNETIC_STATIC_BIAS, m_geomagnetic_static_bias, 3)) {
111 ERR("[GEOMAGNETIC_STATIC_BIAS] is empty\n");
115 INFO("m_geomagnetic_static_bias = (%f, %f, %f)", m_geomagnetic_static_bias[0], m_geomagnetic_static_bias[1], m_geomagnetic_static_bias[2]);
117 if (!config.get(SENSOR_TYPE_RV, ELEMENT_ACCEL_ROTATION_DIRECTION_COMPENSATION, m_accel_rotation_direction_compensation, 3)) {
118 ERR("[ACCEL_ROTATION_DIRECTION_COMPENSATION] is empty\n");
122 INFO("m_accel_rotation_direction_compensation = (%d, %d, %d)", m_accel_rotation_direction_compensation[0], m_accel_rotation_direction_compensation[1], m_accel_rotation_direction_compensation[2]);
124 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GYRO_ROTATION_DIRECTION_COMPENSATION, m_gyro_rotation_direction_compensation, 3)) {
125 ERR("[GYRO_ROTATION_DIRECTION_COMPENSATION] is empty\n");
129 INFO("m_gyro_rotation_direction_compensation = (%d, %d, %d)", m_gyro_rotation_direction_compensation[0], m_gyro_rotation_direction_compensation[1], m_gyro_rotation_direction_compensation[2]);
131 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GEOMAGNETIC_ROTATION_DIRECTION_COMPENSATION, m_geomagnetic_rotation_direction_compensation, 3)) {
132 ERR("[GEOMAGNETIC_ROTATION_DIRECTION_COMPENSATION] is empty\n");
136 INFO("m_geomagnetic_rotation_direction_compensation = (%d, %d, %d)", m_geomagnetic_rotation_direction_compensation[0], m_geomagnetic_rotation_direction_compensation[1], m_geomagnetic_rotation_direction_compensation[2]);
138 if (!config.get(SENSOR_TYPE_RV, ELEMENT_ACCEL_SCALE, &m_accel_scale)) {
139 ERR("[ACCEL_SCALE] is empty\n");
143 INFO("m_accel_scale = %f", m_accel_scale);
145 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GYRO_SCALE, &m_gyro_scale)) {
146 ERR("[GYRO_SCALE] is empty\n");
150 INFO("m_gyro_scale = %f", m_gyro_scale);
152 if (!config.get(SENSOR_TYPE_RV, ELEMENT_GEOMAGNETIC_SCALE, &m_geomagnetic_scale)) {
153 ERR("[GEOMAGNETIC_SCALE] is empty\n");
157 INFO("m_geomagnetic_scale = %f", m_geomagnetic_scale);
159 if (!config.get(SENSOR_TYPE_RV, ELEMENT_MAGNETIC_ALIGNMENT_FACTOR, &m_magnetic_alignment_factor)) {
160 ERR("[MAGNETIC_ALIGNMENT_FACTOR] is empty\n");
164 INFO("m_magnetic_alignment_factor = %d", m_magnetic_alignment_factor);
166 m_interval = m_default_sampling_time * MS_TO_US;
170 rv_sensor::~rv_sensor()
172 INFO("rv_sensor is destroyed!\n");
175 bool rv_sensor::init()
177 m_accel_sensor = sensor_plugin_loader::get_instance().get_sensor(ACCELEROMETER_SENSOR);
178 m_gyro_sensor = sensor_plugin_loader::get_instance().get_sensor(GYROSCOPE_SENSOR);
179 m_magnetic_sensor = sensor_plugin_loader::get_instance().get_sensor(GEOMAGNETIC_SENSOR);
181 if (!m_accel_sensor || !m_gyro_sensor || !m_magnetic_sensor) {
182 ERR("Failed to load sensors, accel: 0x%x, gyro: 0x%x, mag: 0x%x",
183 m_accel_sensor, m_gyro_sensor, m_magnetic_sensor);
187 INFO("%s is created!\n", sensor_base::get_name());
192 sensor_type_t rv_sensor::get_type(void)
194 return ROTATION_VECTOR_SENSOR;
197 bool rv_sensor::on_start(void)
201 m_accel_sensor->add_client(ACCELEROMETER_EVENT_RAW_DATA_REPORT_ON_TIME);
202 m_accel_sensor->add_interval((intptr_t)this, (m_interval/MS_TO_US), false);
203 m_accel_sensor->start();
204 m_gyro_sensor->add_client(GYROSCOPE_EVENT_RAW_DATA_REPORT_ON_TIME);
205 m_gyro_sensor->add_interval((intptr_t)this, (m_interval/MS_TO_US), false);
206 m_gyro_sensor->start();
207 m_magnetic_sensor->add_client(GEOMAGNETIC_EVENT_RAW_DATA_REPORT_ON_TIME);
208 m_magnetic_sensor->add_interval((intptr_t)this, (m_interval/MS_TO_US), false);
209 m_magnetic_sensor->start();
215 bool rv_sensor::on_stop(void)
219 m_accel_sensor->delete_client(ACCELEROMETER_EVENT_RAW_DATA_REPORT_ON_TIME);
220 m_accel_sensor->delete_interval((intptr_t)this, false);
221 m_accel_sensor->stop();
222 m_gyro_sensor->delete_client(GYROSCOPE_EVENT_RAW_DATA_REPORT_ON_TIME);
223 m_gyro_sensor->delete_interval((intptr_t)this, false);
224 m_gyro_sensor->stop();
225 m_magnetic_sensor->delete_client(GEOMAGNETIC_EVENT_RAW_DATA_REPORT_ON_TIME);
226 m_magnetic_sensor->delete_interval((intptr_t)this, false);
227 m_magnetic_sensor->stop();
233 bool rv_sensor::add_interval(int client_id, unsigned int interval)
237 m_accel_sensor->add_interval(client_id, interval, false);
238 m_gyro_sensor->add_interval(client_id, interval, false);
239 m_magnetic_sensor->add_interval(client_id, interval, false);
241 return sensor_base::add_interval(client_id, interval, false);
244 bool rv_sensor::delete_interval(int client_id)
248 m_accel_sensor->delete_interval(client_id, false);
249 m_gyro_sensor->delete_interval(client_id, false);
250 m_magnetic_sensor->delete_interval(client_id, false);
252 return sensor_base::delete_interval(client_id, false);
255 void rv_sensor::synthesize(const sensor_event_t& event, vector<sensor_event_t> &outs)
257 const float MIN_DELIVERY_DIFF_FACTOR = 0.75f;
258 unsigned long long diff_time;
260 sensor_event_t rv_event;
261 quaternion<float> quaternion_orientation;
263 if (event.event_type == ACCELEROMETER_EVENT_RAW_DATA_REPORT_ON_TIME) {
264 diff_time = event.data.timestamp - m_time;
266 if (m_time && (diff_time < m_interval * MIN_DELIVERY_DIFF_FACTOR))
269 pre_process_data(m_accel, event.data.values, m_accel_static_bias, m_accel_rotation_direction_compensation, m_accel_scale);
271 m_accel.m_time_stamp = event.data.timestamp;
273 m_enable_orientation |= ACCELEROMETER_ENABLED;
275 else if (event.event_type == GYROSCOPE_EVENT_RAW_DATA_REPORT_ON_TIME) {
276 diff_time = event.data.timestamp - m_time;
278 if (m_time && (diff_time < m_interval * MIN_DELIVERY_DIFF_FACTOR))
281 pre_process_data(m_gyro, event.data.values, m_gyro_static_bias, m_gyro_rotation_direction_compensation, m_gyro_scale);
283 m_gyro.m_time_stamp = event.data.timestamp;
285 m_enable_orientation |= GYROSCOPE_ENABLED;
287 else if (event.event_type == GEOMAGNETIC_EVENT_RAW_DATA_REPORT_ON_TIME) {
288 diff_time = event.data.timestamp - m_time;
290 if (m_time && (diff_time < m_interval * MIN_DELIVERY_DIFF_FACTOR))
293 pre_process_data(m_magnetic, event.data.values, m_geomagnetic_static_bias, m_geomagnetic_rotation_direction_compensation, m_geomagnetic_scale);
295 m_magnetic.m_time_stamp = event.data.timestamp;
297 m_enable_orientation |= GEOMAGNETIC_ENABLED;
300 if (m_enable_orientation == ORIENTATION_ENABLED) {
301 m_enable_orientation = 0;
303 m_orientation.m_pitch_phase_compensation = m_pitch_rotation_compensation;
304 m_orientation.m_roll_phase_compensation = m_roll_rotation_compensation;
305 m_orientation.m_azimuth_phase_compensation = m_azimuth_rotation_compensation;
306 m_orientation.m_magnetic_alignment_factor = m_magnetic_alignment_factor;
309 AUTOLOCK(m_fusion_mutex);
310 quaternion_orientation = m_orientation.get_9axis_quaternion(m_accel, m_gyro, m_magnetic);
313 m_time = get_timestamp();
315 rv_event.sensor_id = get_id();
316 rv_event.event_type = ROTATION_VECTOR_EVENT_RAW_DATA_REPORT_ON_TIME;
317 rv_event.data.accuracy = SENSOR_ACCURACY_GOOD;
318 rv_event.data.timestamp = m_time;
319 rv_event.data.value_count = 4;
320 rv_event.data.values[0] = quaternion_orientation.m_quat.m_vec[1];
321 rv_event.data.values[1] = quaternion_orientation.m_quat.m_vec[2];
322 rv_event.data.values[2] = quaternion_orientation.m_quat.m_vec[3];
323 rv_event.data.values[3] = quaternion_orientation.m_quat.m_vec[0];
331 int rv_sensor::get_sensor_data(unsigned int data_id, sensor_data_t &data)
333 sensor_data<float> accel;
334 sensor_data<float> gyro;
335 sensor_data<float> magnetic;
337 sensor_data_t accel_data;
338 sensor_data_t gyro_data;
339 sensor_data_t magnetic_data;
341 quaternion<float> quaternion_orientation;
343 m_accel_sensor->get_sensor_data(ACCELEROMETER_EVENT_RAW_DATA_REPORT_ON_TIME, accel_data);
344 m_gyro_sensor->get_sensor_data(GYROSCOPE_EVENT_RAW_DATA_REPORT_ON_TIME, gyro_data);
345 m_magnetic_sensor->get_sensor_data(GEOMAGNETIC_EVENT_RAW_DATA_REPORT_ON_TIME, magnetic_data);
347 pre_process_data(accel, accel_data.values, m_accel_static_bias, m_accel_rotation_direction_compensation, m_accel_scale);
348 pre_process_data(gyro, gyro_data.values, m_gyro_static_bias, m_gyro_rotation_direction_compensation, m_gyro_scale);
349 pre_process_data(magnetic, magnetic_data.values, m_geomagnetic_static_bias, m_geomagnetic_rotation_direction_compensation, m_geomagnetic_scale);
350 accel.m_time_stamp = accel_data.timestamp;
351 gyro.m_time_stamp = gyro_data.timestamp;
352 magnetic.m_time_stamp = magnetic_data.timestamp;
354 m_orientation.m_pitch_phase_compensation = m_pitch_rotation_compensation;
355 m_orientation.m_roll_phase_compensation = m_roll_rotation_compensation;
356 m_orientation.m_azimuth_phase_compensation = m_azimuth_rotation_compensation;
357 m_orientation.m_magnetic_alignment_factor = m_magnetic_alignment_factor;
360 AUTOLOCK(m_fusion_mutex);
361 quaternion_orientation = m_orientation.get_9axis_quaternion(m_accel, m_gyro, m_magnetic);
364 data.accuracy = SENSOR_ACCURACY_GOOD;
365 data.timestamp = m_time;
366 data.value_count = 4;
367 data.values[0] = quaternion_orientation.m_quat.m_vec[1];
368 data.values[1] = quaternion_orientation.m_quat.m_vec[2];
369 data.values[2] = quaternion_orientation.m_quat.m_vec[3];
370 data.values[3] = quaternion_orientation.m_quat.m_vec[0];
375 bool rv_sensor::get_properties(sensor_properties_s &properties)
377 properties.vendor = m_vendor;
378 properties.name = SENSOR_NAME;
379 properties.min_range = -1;
380 properties.max_range = 1;
381 properties.resolution = 0.000001;
382 properties.fifo_count = 0;
383 properties.max_batch_count = 0;
384 properties.min_interval = 1;
389 extern "C" sensor_module* create(void)
394 sensor = new(std::nothrow) rv_sensor;
396 ERR("Failed to create module, err: %d, cause: %s", err, strerror(err));
400 sensor_module *module = new(std::nothrow) sensor_module;
401 retvm_if(!module || !sensor, NULL, "Failed to allocate memory");
403 module->sensors.push_back(sensor);