| /****************************************************************************** |
| * |
| * Copyright 2018 NXP |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| #pragma once |
| |
| #include <string> |
| #include <time.h> |
| #include <vector> |
| |
| /*Time spent in Active mode per count provided by NFCC*/ |
| static const uint32_t ACTIVE_TIME_PER_TIMER_COUNT_IN_MILLISEC = 20; |
| /*Types of Power states supported by NFCC */ |
| typedef struct NfccPowerStateInfo { |
| /* state name: Active/Standby */ |
| std::string name; |
| /* Time spent in msec at this power state since boot */ |
| uint64_t residencyInMsecSinceBoot; |
| /* Total number of times Nfcc entered this state */ |
| uint64_t totalTransitions; |
| } NfccPowerStateInfo_t; |
| |
| /*Class to track the time spent in Standby mode by NFCC*/ |
| class NfccPowerTracker { |
| public: |
| static NfccPowerTracker &getInstance(); |
| |
| /******************************************************************************* |
| ** |
| ** Function Initialize |
| ** |
| ** Description get all prerequisite information from NFCC needed for |
| ** Power tracker calculations. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void Initialize(); |
| |
| /******************************************************************************* |
| ** |
| ** Function ProcessCmd |
| ** |
| ** Description Parse the commands going to NFCC, |
| ** get the time at which power relevant commands are sent |
| ** (ex:Screen state/OMAPI session)is sent and |
| ** log/cache the timestamp to file. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void ProcessCmd(uint8_t *, uint16_t len); |
| |
| /******************************************************************************* |
| ** |
| ** Function ProcessNtf |
| ** |
| ** Description Parse the Notifications coming from NFCC, |
| ** get the time at which power relevant notifications are |
| ** received (ex:RF ON-OFF/ACTIVATE-DEACTIVATE NTF/ |
| ** PROP_PWR_TRACKINFO). Calculate error in standby time by |
| ** comparing the expectated value from NFC HAL and received |
| ** value from NFCC. Update power state duration info |
| ** to file. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void ProcessNtf(uint8_t *cmd, uint16_t len); |
| |
| /******************************************************************************* |
| ** |
| ** Function Pause |
| ** |
| ** Description Pause Power state Information Tracking,Tracking will |
| ** resume once next power tracker notification is recieved as |
| ** part of ProcessNtf. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void Pause(); |
| |
| /******************************************************************************* |
| ** |
| ** Function Reset |
| ** |
| ** Description Stop power tracker information processing and delete |
| ** power track log file. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void Reset(); |
| |
| private: |
| NfccPowerTracker(); |
| ~NfccPowerTracker(); |
| |
| /******************************************************************************* |
| ** |
| ** Function UpdatePowerStateLog |
| ** |
| ** Description update the powerstate related information in log file |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void UpdatePowerStateLog(NfccPowerStateInfo_t standbyTime, |
| NfccPowerStateInfo_t activeTime); |
| |
| /******************************************************************************* |
| ** |
| ** Function ReadPowerStateLog |
| ** |
| ** Description Retrieve powerstate related information from log file. |
| ** |
| ** Returns true if read successful, false otherwise. |
| ** |
| *******************************************************************************/ |
| bool ReadPowerStateLog(); |
| |
| /******************************************************************************* |
| ** |
| ** Function ProcessPowerTrackNtf |
| ** |
| ** Description Process Power Tracker notification. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void ProcessPowerTrackNtf(uint8_t *rsp, uint16_t rsp_len); |
| |
| /******************************************************************************* |
| ** |
| ** Function TimeDiff |
| ** |
| ** Description Computes time difference in milliseconds. |
| ** |
| ** Returns Time difference in milliseconds |
| ** |
| *******************************************************************************/ |
| uint64_t TimeDiff(timespec start, timespec end); |
| /******************************************************************************* |
| ** |
| ** Function TryLockFile |
| ** |
| ** Description Lock PowerTracker log file. Any application trying to read |
| ** from PowerTracker log file shall acquire lock before |
| ** reading to avoid inconsistent data. |
| ** |
| ** Returns true if locking was successful |
| ** false if there was a failure to lock file. |
| *******************************************************************************/ |
| bool TryLockFile(FILE *fp); |
| /******************************************************************************* |
| ** |
| ** Function UnlockFile |
| ** |
| ** Description Unlock previously locked PowerTracker log file. |
| ** |
| ** Returns void |
| *******************************************************************************/ |
| void UnlockFile(FILE *fp); |
| struct timespec mLastScreenOffTimeStamp = {0, 0}, |
| mLastScreenOnTimeStamp = {0, 0}; |
| /*Used to calculate time NFCC is active during Card emulation/P2P/Reader |
| * modes*/ |
| struct timespec mActiveTimeStart = {0, 0}, mActiveTimeEnd = {0, 0}; |
| |
| bool mIsLastUpdateScreenOn; |
| bool mIsFirstPwrTrkNtfRecvd; |
| |
| uint64_t mActiveDurationFromLastScreenUpdate = 0; |
| NfccPowerStateInfo_t mActiveInfo, mStandbyInfo, mErrorInStandbyInfo; |
| |
| /*Last powertracker processing aborted due to NFC HAL Service abort*/ |
| bool mLastPowerTrackAborted = false; |
| /* Time spent in standby mode in one discovery loop containing poll */ |
| uint32_t mStandbyTimePerDiscLoopInMillisec; |
| const std::string STR_ACTIVE = "Active: ", STR_STANDBY = "StandBy: "; |
| }; |