1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef CHRE_PLATFORM_SLPI_SEE_SEE_HELPER_INTERNAL_H_ 18 #define CHRE_PLATFORM_SLPI_SEE_SEE_HELPER_INTERNAL_H_ 19 20 #include <stddef.h> 21 #include <stdint.h> 22 23 #include "sns_suid.pb.h" 24 25 #include "chre/util/optional.h" 26 27 namespace chre { 28 29 //! A struct to store a sensor's calibration data 30 struct SeeCalData { 31 float bias[3]; 32 float scale[3]; 33 float matrix[9]; 34 bool hasBias; 35 bool hasScale; 36 bool hasMatrix; 37 uint8_t accuracy; 38 }; 39 40 //! A struct to store a cal sensor's UID and its cal data. 41 struct SeeCalInfo { 42 Optional<sns_std_suid> suid; 43 SeeCalData cal; 44 }; 45 46 //! The list of SEE cal sensors supported. 47 enum class SeeCalSensor { 48 AccelCal, 49 GyroCal, 50 MagCal, 51 NumCalSensors, 52 }; 53 54 //! A convenience constant. 55 constexpr size_t kNumSeeCalSensors = static_cast<size_t>( 56 SeeCalSensor::NumCalSensors); 57 58 } // namespace chre 59 60 #endif // CHRE_PLATFORM_SLPI_SEE_SEE_HELPER_INTERNAL_H_ 61
