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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CHRE_TARGET_PLATFORM_SENSOR_TYPE_HELPERS_BASE_H_
#define CHRE_TARGET_PLATFORM_SENSOR_TYPE_HELPERS_BASE_H_
#define CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_ACCEL CHRE_VENDOR_SENSOR_TYPE(3)
#define CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_ACCEL CHRE_VENDOR_SENSOR_TYPE(6)
#define CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_GYRO CHRE_VENDOR_SENSOR_TYPE(7)
#define CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_UNCAL_MAG CHRE_VENDOR_SENSOR_TYPE(8)
#define CHRE_SLPI_SENSOR_TYPE_BIG_IMAGE_LIGHT CHRE_VENDOR_SENSOR_TYPE(9)
namespace chre {
/**
* This SensorSampleType is designed to help classify sensor's data type in
* event handling.
*/
enum class SensorSampleType {
Byte,
Float,
Occurrence,
ThreeAxis,
Vendor0,
Vendor1,
Vendor2,
Vendor3,
Vendor4,
Vendor5,
Vendor6,
Vendor7,
Vendor8,
Vendor9,
Vendor10,
Unknown,
};
/**
* The group IDs that the SEE sensor driver supports placing nanoapps into such
* that they can be targeted separately by the sensor driver.
*/
enum NanoappGroupIds {
MicroImage = 1 << 0,
BigImage = 1 << 1,
};
/**
* Exposes SLPI-specific methods used by platform code and the SLPI-specific
* PlatformSensorTypeHelpers implementation to transform sensor types as needed.
*/
class PlatformSensorTypeHelpersBase {
public:
/**
* Obtains the temperature sensor type of the specified sensor type.
*
* @param sensorType The sensor type to obtain its temperature sensor type
* for.
* @return The temperature sensor type or CHRE_SENSOR_TYPE_INVALID if not
* supported by CHRE.
*/
static uint8_t getTempSensorType(uint8_t sensorType);
/**
* Maps a sensorType to its SensorSampleType.
*
* @param sensorType The type of the sensor to obtain its SensorSampleType
* for.
* @return The SensorSampleType of the sensorType.
*/
static SensorSampleType getSensorSampleTypeFromSensorType(uint8_t sensorType);
/**
* @param sensorType The sensor type.
* @return The corresponding runtime-calibrated sensor type. If the sensor
* does not have one or is already runtime-calibrated, then the input
* sensorType is returned.
*/
static uint8_t toCalibratedSensorType(uint8_t sensorType);
/**
* @return Whether the given sensor type reports bias events.
*/
static bool reportsBias(uint8_t sensorType);
/**
* Rewrites a big-image sensorType to its regular CHRE counterpart leaving
* regular CHRE sensor types unchanged.
*/
static void rewriteToChreSensorType(uint8_t *sensorType);
};
} // namespace chre
#endif // CHRE_TARGET_PLATFORM_SENSOR_TYPE_HELPERS_BASE_H_
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