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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ | 5 #ifndef SERVICES_DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ |
6 #define DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ | 6 #define SERVICES_DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ |
7 | 7 |
8 #include "device/generic_sensor/generic_sensor_export.h" | 8 #include "services/device/public/interfaces/sensor.mojom.h" |
9 #include "device/generic_sensor/public/interfaces/sensor.mojom.h" | |
10 | 9 |
11 namespace device { | 10 namespace device { |
12 | 11 |
13 class PlatformSensorConfiguration; | 12 class PlatformSensorConfiguration; |
14 struct SensorReading; | 13 struct SensorReading; |
15 | 14 |
16 // This structure represents a context that is used to identify a udev device | 15 // This structure represents a context that is used to identify a udev device |
17 // and create a type specific SensorInfoLinux. For example, when a | 16 // and create a type specific SensorInfoLinux. For example, when a |
18 // SensorDeviceManager receives a udev device, it uses this structure to | 17 // SensorDeviceManager receives a udev device, it uses this structure to |
19 // identify what type of sensor that is and creates a SensorInfoLinux structure | 18 // identify what type of sensor that is and creates a SensorInfoLinux structure |
20 // that holds all the necessary information to create a PlatformSensorLinux. | 19 // that holds all the necessary information to create a PlatformSensorLinux. |
21 struct DEVICE_GENERIC_SENSOR_EXPORT SensorPathsLinux { | 20 struct SensorPathsLinux { |
22 using ReaderFunctor = base::Callback< | 21 using ReaderFunctor = base::Callback< |
23 void(double scaling, double offset, SensorReading& reading)>; | 22 void(double scaling, double offset, SensorReading& reading)>; |
24 | 23 |
25 SensorPathsLinux(); | 24 SensorPathsLinux(); |
26 ~SensorPathsLinux(); | 25 ~SensorPathsLinux(); |
27 SensorPathsLinux(const SensorPathsLinux& other); | 26 SensorPathsLinux(const SensorPathsLinux& other); |
28 // Provides an array of sensor file names to be searched for. | 27 // Provides an array of sensor file names to be searched for. |
29 // Different sensors might have up to 3 different file name arrays. | 28 // Different sensors might have up to 3 different file name arrays. |
30 // One file must be found from each array. | 29 // One file must be found from each array. |
31 std::vector<std::vector<std::string>> sensor_file_names; | 30 std::vector<std::vector<std::string>> sensor_file_names; |
32 // Scaling file to be found. | 31 // Scaling file to be found. |
33 std::string sensor_scale_name; | 32 std::string sensor_scale_name; |
34 // Frequency file to be found. | 33 // Frequency file to be found. |
35 std::string sensor_frequency_file_name; | 34 std::string sensor_frequency_file_name; |
36 // Offset file to be found. | 35 // Offset file to be found. |
37 std::string sensor_offset_file_name; | 36 std::string sensor_offset_file_name; |
38 // Used to apply scalings to raw sensor data. | 37 // Used to apply scalings to raw sensor data. |
39 ReaderFunctor apply_scaling_func; | 38 ReaderFunctor apply_scaling_func; |
40 // Sensor type | 39 // Sensor type |
41 mojom::SensorType type; | 40 mojom::SensorType type; |
42 // Default configuration of a sensor. | 41 // Default configuration of a sensor. |
43 PlatformSensorConfiguration default_configuration; | 42 PlatformSensorConfiguration default_configuration; |
44 }; | 43 }; |
45 | 44 |
46 // Initializes sensor data according to |type|. | 45 // Initializes sensor data according to |type|. |
47 bool DEVICE_GENERIC_SENSOR_EXPORT InitSensorData(mojom::SensorType type, | 46 bool InitSensorData(mojom::SensorType type, SensorPathsLinux* data); |
48 SensorPathsLinux* data); | |
49 | 47 |
50 // This structure represents an iio device, which info is taken | 48 // This structure represents an iio device, which info is taken |
51 // from udev service. If a client requests a sensor from a provider, | 49 // from udev service. If a client requests a sensor from a provider, |
52 // the provider takes this initialized and stored structure and uses it to | 50 // the provider takes this initialized and stored structure and uses it to |
53 // create a requested PlatformSensorLinux of a certain type. | 51 // create a requested PlatformSensorLinux of a certain type. |
54 struct SensorInfoLinux { | 52 struct SensorInfoLinux { |
55 // Represents current sensor device node. | 53 // Represents current sensor device node. |
56 const std::string device_node; | 54 const std::string device_node; |
57 // Represents frequency of a sensor. | 55 // Represents frequency of a sensor. |
58 const double device_frequency; | 56 const double device_frequency; |
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72 double sensor_device_scaling_value, | 70 double sensor_device_scaling_value, |
73 double sensor_device_offset_value, | 71 double sensor_device_offset_value, |
74 mojom::ReportingMode mode, | 72 mojom::ReportingMode mode, |
75 SensorPathsLinux::ReaderFunctor scaling_func, | 73 SensorPathsLinux::ReaderFunctor scaling_func, |
76 std::vector<base::FilePath> iio_device_reading_files); | 74 std::vector<base::FilePath> iio_device_reading_files); |
77 ~SensorInfoLinux(); | 75 ~SensorInfoLinux(); |
78 }; | 76 }; |
79 | 77 |
80 } // namespace device | 78 } // namespace device |
81 | 79 |
82 #endif // DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ | 80 #endif // SERVICES_DEVICE_GENERIC_SENSOR_LINUX_SENSOR_DATA_LINUX_H_ |
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