60 lines
1.8 KiB
Protocol Buffer
60 lines
1.8 KiB
Protocol Buffer
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// @file sns_psmd.proto
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//
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// Defines the API for Persistent Stationary/Motion Detection Sensors.
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//
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// Copyright (c) 2017-2018 Qualcomm Technologies, Inc.
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// All Rights Reserved.
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// Confidential and Proprietary - Qualcomm Technologies, Inc.
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syntax = "proto2";
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import "nanopb.proto";
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import "sns_std_sensor.proto";
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// A persistent stationary/motion sensor reports once
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// - The device is moving/not still
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// - The device is detected to be still/stationary
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// The period of time to monitor for motion and stationarity should be greater
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// than 5 seconds, and less than 10 seconds. After reporting, conceptually
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// the algorithm's state is reset, and detection begins again.
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//
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// Motion here refers to any mechanism in which the device is causes to be
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// moved in its inertial frame. eg: Picking up the device and walking with it
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// to a nearby room may trigger motion whereas keeping the device on a table
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// on a smooth train moving at constant velocity may not trigger motion.
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//
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// Stationarity here refers to absolute stationarity. eg: device on desk.
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//
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// ## Persistent Stationary/Motion Detect sensor attributes:
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// SNS_STD_SENSOR_ATTRID_TYPE is "psmd"
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// SNS_STD_SENSOR_ATTRID_STREAM_TYPE: SNS_STD_SENSOR_STREAM_TYPE_ON_CHANGE
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// Message IDs for Persistent Stationary/Motion Sensor
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enum sns_psmd_msgid
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{
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option (nanopb_enumopt).long_names = false;
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// Configuration Request
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SNS_PSMD_MSGID_SNS_PSMD_CONFIG = 512;
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// Empty Event
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// Indicates that the requested state has been detected
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SNS_PSMD_MSGID_SNS_PSMD_EVENT = 768;
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}
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// Detected states supported by the PSM Detector
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enum sns_psmd_type
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{
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option (nanopb_enumopt).long_names = false;
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SNS_PSMD_TYPE_STATIONARY = 0;
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SNS_PSMD_TYPE_MOTION = 1;
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}
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// Configuration Message
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// Used to specify the PSMD configuration
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message sns_psmd_config
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{
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// Which detector type to enable
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required sns_psmd_type type = 1;
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}
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