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      1 /*
      2  * Copyright (C) 2016 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_CORE_SENSOR_REQUEST_IMPL_H_
     18 #define CHRE_CORE_SENSOR_REQUEST_IMPL_H_
     19 
     20 #include "chre/core/sensor_request.h"
     21 
     22 namespace chre {
     23 
     24 constexpr bool sensorModeIsActive(SensorMode sensorMode) {
     25   return (sensorMode == SensorMode::ActiveContinuous
     26       || sensorMode == SensorMode::ActiveOneShot);
     27 }
     28 
     29 constexpr bool sensorModeIsContinuous(SensorMode sensorMode) {
     30   return (sensorMode == SensorMode::ActiveContinuous
     31       || sensorMode == SensorMode::PassiveContinuous);
     32 }
     33 
     34 constexpr bool sensorModeIsOneShot(SensorMode sensorMode) {
     35   return (sensorMode == SensorMode::ActiveOneShot
     36       || sensorMode == SensorMode::PassiveOneShot);
     37 }
     38 
     39 constexpr size_t getSensorTypeArrayIndex(SensorType sensorType) {
     40   return static_cast<size_t>(sensorType) - 1;
     41 }
     42 
     43 constexpr size_t getSensorTypeCount() {
     44   // The number of valid entries in the SensorType enum (not including Unknown).
     45   return static_cast<size_t>(SensorType::SENSOR_TYPE_COUNT) - 1;
     46 }
     47 
     48 constexpr uint32_t getSensorHandleFromSensorType(SensorType sensorType) {
     49   return static_cast<uint32_t>(sensorType);
     50 }
     51 
     52 constexpr SensorType getSensorTypeFromSensorHandle(uint32_t handle) {
     53   return (handle > static_cast<uint32_t>(SensorType::Unknown)
     54           && handle < static_cast<uint32_t>(SensorType::SENSOR_TYPE_COUNT))
     55       ? static_cast<SensorType>(handle) : SensorType::Unknown;
     56 }
     57 
     58 }  // namespace chre
     59 
     60 #endif  // CHRE_CORE_SENSOR_REQUEST_IMPL_H_
     61