4 * Copyright (c) 2017 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.
20 #include "physical_sensor_handler.h"
22 #include <sensor_log.h>
23 #include <command_types.h>
27 using namespace sensor;
29 physical_sensor_handler::physical_sensor_handler(const sensor_info &info,
30 sensor_device *device, int hal_id,
31 physical_sensor *sensor)
32 : sensor_handler(info)
40 physical_sensor_handler::~physical_sensor_handler()
44 const sensor_info &physical_sensor_handler::get_sensor_info(void)
49 int physical_sensor_handler::get_hal_id(void)
54 int physical_sensor_handler::get_poll_fd(void)
56 retv_if(!m_device, -EINVAL);
58 return m_device->get_poll_fd();
61 int physical_sensor_handler::read_fd(std::vector<uint32_t> &ids)
63 retv_if(observer_count() == 0, OP_ERROR);
64 retv_if(!m_device, -EINVAL);
69 size = m_device->read_fd(&_ids);
70 retv_if(size == 0, -ENODATA);
72 for (int i = 0; i < size; ++i)
73 ids.push_back(_ids[i]);
78 int physical_sensor_handler::on_event(const sensor_data_t *data, int32_t len, int32_t remains)
80 retv_if(!m_device, -EINVAL);
83 int ret = m_sensor->on_event(const_cast<sensor_data_t *>(data), len, remains);
84 retv_if(ret <= OP_ERROR, ret);
89 int physical_sensor_handler::start(sensor_observer *ob)
91 retv_if(!m_device, -EINVAL);
93 int policy = OP_DEFAULT;
96 policy = m_sensor->start(ob);
97 retv_if(policy <= OP_ERROR, policy);
102 if (policy == OP_DEFAULT) {
103 if (observer_count() > 1)
104 return OP_SUCCESS; /* already started */
107 return m_device->enable(m_hal_id);
110 int physical_sensor_handler::stop(sensor_observer *ob)
112 retv_if(!m_device, -EINVAL);
114 int policy = OP_DEFAULT;
117 policy = m_sensor->stop(ob);
118 retv_if(policy <= OP_ERROR, policy);
123 if (policy == OP_DEFAULT) {
124 if (observer_count() >= 1)
125 return OP_SUCCESS; /* already stopped */
128 return m_device->disable(m_hal_id);
131 int physical_sensor_handler::get_min_interval(void)
134 std::vector<int> temp;
136 for (auto it = m_interval_map.begin(); it != m_interval_map.end(); ++it)
138 temp.push_back(it->second);
141 return m_info.get_min_interval();
143 interval = *std::min_element(temp.begin(), temp.end());
145 if (interval < m_info.get_min_interval())
146 return m_info.get_min_interval();
151 int physical_sensor_handler::set_interval(sensor_observer *ob, int32_t interval)
153 retv_if(!m_device, -EINVAL);
156 int32_t cur_interval = interval;
157 int policy = OP_DEFAULT;
160 policy = m_sensor->set_interval(ob, cur_interval);
161 retv_if(policy <= OP_ERROR, policy);
164 m_interval_map[ob] = cur_interval;
166 if (policy == OP_DEFAULT)
167 cur_interval = get_min_interval();
169 retv_if(m_prev_interval == cur_interval, OP_SUCCESS);
171 ret = m_device->set_interval(m_hal_id, cur_interval);
173 m_prev_interval = cur_interval;
175 return (ret ? OP_SUCCESS : OP_ERROR);
178 int physical_sensor_handler::get_min_batch_latency(void)
181 std::vector<int> temp;
183 for (auto it = m_batch_latency_map.begin(); it != m_batch_latency_map.end(); ++it)
185 temp.push_back(it->second);
190 batch_latency = *std::min_element(temp.begin(), temp.end());
192 return batch_latency;
195 int physical_sensor_handler::set_batch_latency(sensor_observer *ob, int32_t latency)
197 retv_if(!m_device, -EINVAL);
200 int _latency = latency;
201 int policy = OP_DEFAULT;
204 policy = m_sensor->set_batch_latency(ob, latency);
205 retv_if(policy <= OP_ERROR, policy);
208 m_batch_latency_map[ob] = _latency;
210 if (_latency <= latency)
213 ret = m_device->set_batch_latency(m_hal_id, _latency);
215 return (ret ? OP_SUCCESS : OP_ERROR);
218 int physical_sensor_handler::set_attribute(sensor_observer *ob, int32_t attr, int32_t value)
220 retv_if(!m_device, -EINVAL);
223 int policy = OP_DEFAULT;
226 policy = m_sensor->set_attribute(ob, attr, value);
227 retv_if(policy <= OP_ERROR, policy);
231 * TODO: default policy for attribute?
232 if (policy == OP_DEFAULT) {
233 if (observer_count() > 1)
238 ret = m_device->set_attribute_int(m_hal_id, attr, value);
240 return (ret ? OP_SUCCESS : OP_ERROR);
243 int physical_sensor_handler::set_attribute(sensor_observer *ob, int32_t attr, const char *value, int len)
245 retv_if(!m_device, -EINVAL);
248 int policy = OP_DEFAULT;
251 policy = m_sensor->set_attribute(ob, attr, value, len);
252 retv_if(policy <= OP_ERROR, policy);
256 * TODO: default policy for attribute?
257 if (policy == OP_DEFAULT) {
258 if (observer_count() > 1)
263 ret = m_device->set_attribute_str(m_hal_id, attr, const_cast<char *>(value), len);
265 return (ret ? OP_SUCCESS : OP_ERROR);
268 int physical_sensor_handler::flush(sensor_observer *ob)
270 retv_if(!m_device, -EINVAL);
274 ret = m_sensor->flush(ob);
275 retv_if(ret <= OP_ERROR, ret);
278 ret = m_device->flush(m_hal_id);
280 return (ret ? OP_SUCCESS : OP_ERROR);
283 int physical_sensor_handler::get_data(sensor_data_t **data, int *len)
285 retv_if(!m_device, -EINVAL);
287 int remains = m_device->get_data(m_hal_id, data, len);
288 retvm_if(*len <= 0, OP_ERROR, "Failed to get sensor event");