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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_PUBLIC_CPP_SENSOR_READING_H_ | 5 #ifndef DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_READING_H_ |
| 6 #define DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_READING_H_ | 6 #define DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_READING_H_ |
| 7 | 7 |
| 8 #include "device/base/synchronization/one_writer_seqlock.h" | 8 #include "device/base/synchronization/one_writer_seqlock.h" |
| 9 #include "device/generic_sensor/public/cpp/generic_sensor_public_export.h" | 9 #include "device/generic_sensor/public/cpp/generic_sensor_public_export.h" |
| 10 #include "device/generic_sensor/public/interfaces/sensor.mojom.h" | 10 #include "device/generic_sensor/public/interfaces/sensor.mojom.h" |
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| 104 struct DEVICE_GENERIC_SENSOR_PUBLIC_EXPORT SensorReadingSharedBuffer { | 104 struct DEVICE_GENERIC_SENSOR_PUBLIC_EXPORT SensorReadingSharedBuffer { |
| 105 SensorReadingSharedBuffer(); | 105 SensorReadingSharedBuffer(); |
| 106 ~SensorReadingSharedBuffer(); | 106 ~SensorReadingSharedBuffer(); |
| 107 SensorReadingField<OneWriterSeqLock> seqlock; | 107 SensorReadingField<OneWriterSeqLock> seqlock; |
| 108 SensorReading reading; | 108 SensorReading reading; |
| 109 | 109 |
| 110 // Gets the shared reading buffer offset for the given sensor type. | 110 // Gets the shared reading buffer offset for the given sensor type. |
| 111 static uint64_t GetOffset(mojom::SensorType type); | 111 static uint64_t GetOffset(mojom::SensorType type); |
| 112 }; | 112 }; |
| 113 | 113 |
| 114 bool DEVICE_GENERIC_SENSOR_PUBLIC_EXPORT |
| 115 GetSensorReadingFromBuffer(const SensorReadingSharedBuffer* buffer, |
| 116 SensorReading* result); |
| 117 |
| 114 } // namespace device | 118 } // namespace device |
| 115 | 119 |
| 116 #endif // DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_READING_H_ | 120 #endif // DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_READING_H_ |
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