Adding implementation for gaming_rv class 45/35745/3
authorRamasamy <ram.kannan@samsung.com>
Tue, 24 Feb 2015 08:13:40 +0000 (13:43 +0530)
committerRamasamy Kannan <ram.kannan@samsung.com>
Thu, 26 Feb 2015 06:39:15 +0000 (22:39 -0800)
Adding file for implementation of gaming_rv class methods

Change-Id: Ie6362ff80ab55d6c6283b8d9ecb06414bd7791a0

src/rotation_vector/gaming_rv/gaming_rv_sensor.cpp [new file with mode: 0755]

diff --git a/src/rotation_vector/gaming_rv/gaming_rv_sensor.cpp b/src/rotation_vector/gaming_rv/gaming_rv_sensor.cpp
new file mode 100755 (executable)
index 0000000..acfd003
--- /dev/null
@@ -0,0 +1,337 @@
+/*
+ * sensord
+ *
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <math.h>
+#include <time.h>
+#include <sys/types.h>
+#include <dlfcn.h>
+#include <common.h>
+#include <sf_common.h>
+#include <gaming_rv_sensor.h>
+#include <sensor_plugin_loader.h>
+#include <orientation_filter.h>
+#include <cvirtual_sensor_config.h>
+
+#define SENSOR_NAME "GAMING_RV_SENSOR"
+#define SENSOR_TYPE_GAMING_RV "GAMING_ROTATION_VECTOR"
+
+#define ACCELEROMETER_ENABLED 0x01
+#define GYROSCOPE_ENABLED 0x02
+#define GAMING_RV_ENABLED 3
+
+#define INITIAL_VALUE -1
+
+#define MS_TO_US 1000
+
+#define ELEMENT_NAME                                                                                   "NAME"
+#define ELEMENT_VENDOR                                                                                 "VENDOR"
+#define ELEMENT_RAW_DATA_UNIT                                                                  "RAW_DATA_UNIT"
+#define ELEMENT_DEFAULT_SAMPLING_TIME                                                  "DEFAULT_SAMPLING_TIME"
+#define ELEMENT_ACCEL_STATIC_BIAS                                                              "ACCEL_STATIC_BIAS"
+#define ELEMENT_GYRO_STATIC_BIAS                                                               "GYRO_STATIC_BIAS"
+#define ELEMENT_ACCEL_ROTATION_DIRECTION_COMPENSATION                  "ACCEL_ROTATION_DIRECTION_COMPENSATION"
+#define ELEMENT_GYRO_ROTATION_DIRECTION_COMPENSATION                   "GYRO_ROTATION_DIRECTION_COMPENSATION"
+#define ELEMENT_ACCEL_SCALE                                                                            "ACCEL_SCALE"
+#define ELEMENT_GYRO_SCALE                                                                             "GYRO_SCALE"
+
+void pre_process_data(sensor_data<float> &data_out, const float *data_in, float *bias, int *sign, float scale)
+{
+       data_out.m_data.m_vec[0] = sign[0] * (data_in[0] - bias[0]) / scale;
+       data_out.m_data.m_vec[1] = sign[1] * (data_in[1] - bias[1]) / scale;
+       data_out.m_data.m_vec[2] = sign[2] * (data_in[2] - bias[2]) / scale;
+}
+
+gaming_rv_sensor::gaming_rv_sensor()
+: m_accel_sensor(NULL)
+, m_gyro_sensor(NULL)
+, m_accuracy(-1)
+, m_time(0)
+{
+       cvirtual_sensor_config &config = cvirtual_sensor_config::get_instance();
+
+       m_name = string(SENSOR_NAME);
+       register_supported_event(GAMING_RV_RAW_DATA_EVENT);
+       m_enable_gaming_rv = 0;
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_VENDOR, m_vendor)) {
+               ERR("[VENDOR] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_vendor = %s", m_vendor.c_str());
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_DEFAULT_SAMPLING_TIME, &m_default_sampling_time)) {
+               ERR("[DEFAULT_SAMPLING_TIME] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_default_sampling_time = %d", m_default_sampling_time);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_ACCEL_STATIC_BIAS, m_accel_static_bias, 3)) {
+               ERR("[ACCEL_STATIC_BIAS] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_accel_static_bias = (%f, %f, %f)", m_accel_static_bias[0], m_accel_static_bias[1], m_accel_static_bias[2]);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_GYRO_STATIC_BIAS, m_gyro_static_bias,3)) {
+               ERR("[GYRO_STATIC_BIAS] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_gyro_static_bias = (%f, %f, %f)", m_gyro_static_bias[0], m_gyro_static_bias[1], m_gyro_static_bias[2]);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_ACCEL_ROTATION_DIRECTION_COMPENSATION, m_accel_rotation_direction_compensation, 3)) {
+               ERR("[ACCEL_ROTATION_DIRECTION_COMPENSATION] is empty\n");
+               throw ENXIO;
+       }
+
+       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]);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_GYRO_ROTATION_DIRECTION_COMPENSATION, m_gyro_rotation_direction_compensation, 3)) {
+               ERR("[GYRO_ROTATION_DIRECTION_COMPENSATION] is empty\n");
+               throw ENXIO;
+       }
+
+       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]);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_ACCEL_SCALE, &m_accel_scale)) {
+               ERR("[ACCEL_SCALE] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_accel_scale = %f", m_accel_scale);
+
+       if (!config.get(SENSOR_TYPE_GAMING_RV, ELEMENT_GYRO_SCALE, &m_gyro_scale)) {
+               ERR("[GYRO_SCALE] is empty\n");
+               throw ENXIO;
+       }
+
+       INFO("m_gyro_scale = %f", m_gyro_scale);
+
+       m_interval = m_default_sampling_time * MS_TO_US;
+}
+
+gaming_rv_sensor::~gaming_rv_sensor()
+{
+       INFO("gaming_rv_sensor is destroyed!\n");
+}
+
+bool gaming_rv_sensor::init()
+{
+       m_accel_sensor = sensor_plugin_loader::get_instance().get_sensor(ACCELEROMETER_SENSOR);
+       m_gyro_sensor = sensor_plugin_loader::get_instance().get_sensor(GYROSCOPE_SENSOR);
+
+       if (!m_accel_sensor || !m_gyro_sensor) {
+               ERR("Failed to load sensors,  accel: 0x%x, gyro: 0x%x",
+                       m_accel_sensor, m_gyro_sensor);
+               return false;
+       }
+
+       INFO("%s is created!\n", sensor_base::get_name());
+
+       return true;
+}
+
+sensor_type_t gaming_rv_sensor::get_type(void)
+{
+       return GAMING_RV_SENSOR;
+}
+
+bool gaming_rv_sensor::on_start(void)
+{
+       AUTOLOCK(m_mutex);
+
+       m_accel_sensor->add_client(ACCELEROMETER_RAW_DATA_EVENT);
+       m_accel_sensor->add_interval((intptr_t)this, (m_interval/MS_TO_US), false);
+       m_accel_sensor->start();
+       m_gyro_sensor->add_client(GYROSCOPE_RAW_DATA_EVENT);
+       m_gyro_sensor->add_interval((intptr_t)this, (m_interval/MS_TO_US), false);
+       m_gyro_sensor->start();
+
+       activate();
+       return true;
+}
+
+bool gaming_rv_sensor::on_stop(void)
+{
+       AUTOLOCK(m_mutex);
+
+       m_accel_sensor->delete_client(ACCELEROMETER_RAW_DATA_EVENT);
+       m_accel_sensor->delete_interval((intptr_t)this, false);
+       m_accel_sensor->stop();
+       m_gyro_sensor->delete_client(GYROSCOPE_RAW_DATA_EVENT);
+       m_gyro_sensor->delete_interval((intptr_t)this, false);
+       m_gyro_sensor->stop();
+
+       deactivate();
+       return true;
+}
+
+bool gaming_rv_sensor::add_interval(int client_id, unsigned int interval)
+{
+       AUTOLOCK(m_mutex);
+
+       m_accel_sensor->add_interval(client_id, interval, false);
+       m_gyro_sensor->add_interval(client_id, interval, false);
+
+       return sensor_base::add_interval(client_id, interval, false);
+}
+
+bool gaming_rv_sensor::delete_interval(int client_id)
+{
+       AUTOLOCK(m_mutex);
+
+       m_accel_sensor->delete_interval(client_id, false);
+       m_gyro_sensor->delete_interval(client_id, false);
+
+       return sensor_base::delete_interval(client_id, false);
+}
+
+void gaming_rv_sensor::synthesize(const sensor_event_t& event, vector<sensor_event_t> &outs)
+{
+       const float MIN_DELIVERY_DIFF_FACTOR = 0.75f;
+       unsigned long long diff_time;
+
+       sensor_event_t rv_event;
+       quaternion<float> quaternion_gaming_rv;
+
+       if (event.event_type == ACCELEROMETER_RAW_DATA_EVENT) {
+               diff_time = event.data.timestamp - m_time;
+
+               if (m_time && (diff_time < m_interval * MIN_DELIVERY_DIFF_FACTOR))
+                       return;
+
+               pre_process_data(m_accel, event.data.values, m_accel_static_bias, m_accel_rotation_direction_compensation, m_accel_scale);
+
+               m_accel.m_time_stamp = event.data.timestamp;
+
+               m_enable_gaming_rv |= ACCELEROMETER_ENABLED;
+       }
+       else if (event.event_type == GYROSCOPE_RAW_DATA_EVENT) {
+               diff_time = event.data.timestamp - m_time;
+
+               if (m_time && (diff_time < m_interval * MIN_DELIVERY_DIFF_FACTOR))
+                       return;
+
+               pre_process_data(m_gyro, event.data.values, m_gyro_static_bias, m_gyro_rotation_direction_compensation, m_gyro_scale);
+
+               m_gyro.m_time_stamp = event.data.timestamp;
+
+               m_enable_gaming_rv |= GYROSCOPE_ENABLED;
+       }
+
+       if (m_enable_gaming_rv == GAMING_RV_ENABLED) {
+               m_enable_gaming_rv = 0;
+
+               {
+                       AUTOLOCK(m_fusion_mutex);
+                       quaternion_gaming_rv = m_orientation_filter.get_gaming_quaternion(m_accel, m_gyro);
+               }
+
+               m_time = get_timestamp();
+
+               rv_event.sensor_id = get_id();
+               rv_event.event_type = GAMING_RV_RAW_DATA_EVENT;
+               rv_event.data.accuracy = SENSOR_ACCURACY_GOOD;
+               rv_event.data.timestamp = m_time;
+               rv_event.data.value_count = 4;
+               rv_event.data.values[0] = quaternion_gaming_rv.m_quat.m_vec[1];
+               rv_event.data.values[1] = quaternion_gaming_rv.m_quat.m_vec[2];
+               rv_event.data.values[2] = quaternion_gaming_rv.m_quat.m_vec[3];
+               rv_event.data.values[3] = quaternion_gaming_rv.m_quat.m_vec[0];
+
+               push(rv_event);
+       }
+
+       return;
+}
+
+int gaming_rv_sensor::get_sensor_data(unsigned int event_type, sensor_data_t &data)
+{
+       sensor_data<float> accel;
+       sensor_data<float> gyro;
+
+       sensor_data_t accel_data;
+       sensor_data_t gyro_data;
+
+       quaternion<float> quaternion_gaming_rv;
+
+       if (event_type != GAMING_RV_RAW_DATA_EVENT)
+               return -1;
+
+       m_accel_sensor->get_sensor_data(ACCELEROMETER_RAW_DATA_EVENT, accel_data);
+       m_gyro_sensor->get_sensor_data(GYROSCOPE_RAW_DATA_EVENT, gyro_data);
+
+       pre_process_data(accel, accel_data.values, m_accel_static_bias, m_accel_rotation_direction_compensation, m_accel_scale);
+       pre_process_data(gyro, gyro_data.values, m_gyro_static_bias, m_gyro_rotation_direction_compensation, m_gyro_scale);
+       accel.m_time_stamp = accel_data.timestamp;
+       gyro.m_time_stamp = gyro_data.timestamp;
+
+       {
+               AUTOLOCK(m_fusion_mutex);
+               quaternion_gaming_rv = m_orientation_filter.get_gaming_quaternion(m_accel, m_gyro);
+       }
+
+       data.accuracy = SENSOR_ACCURACY_GOOD;
+       data.timestamp = m_time;
+       data.value_count = 4;
+       data.values[0] = quaternion_gaming_rv.m_quat.m_vec[1];
+       data.values[1] = quaternion_gaming_rv.m_quat.m_vec[2];
+       data.values[2] = quaternion_gaming_rv.m_quat.m_vec[3];
+       data.values[3] = quaternion_gaming_rv.m_quat.m_vec[0];
+
+       return 0;
+}
+
+bool gaming_rv_sensor::get_properties(sensor_properties_s &properties)
+{
+       properties.vendor = m_vendor;
+       properties.name = SENSOR_NAME;
+       properties.min_range = -1;
+       properties.max_range = 1;
+       properties.resolution = 0.000001;
+       properties.fifo_count = 0;
+       properties.max_batch_count = 0;
+       properties.min_interval = 1;
+
+       return true;
+}
+
+extern "C" sensor_module* create(void)
+{
+       gaming_rv_sensor *sensor;
+
+       try {
+               sensor = new(std::nothrow) gaming_rv_sensor;
+       } catch (int err) {
+               ERR("Failed to create module, err: %d, cause: %s", err, strerror(err));
+               return NULL;
+       }
+
+       sensor_module *module = new(std::nothrow) sensor_module;
+       retvm_if(!module || !sensor, NULL, "Failed to allocate memory");
+
+       module->sensors.push_back(sensor);
+       return module;
+}