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/*
* Copyright (C) 2012 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.
*/
/*
* Adjust the controller's power states.
*/
#pragma once
#include "nfa_api.h"
#include "SyncEvent.h"
/*****************************************************************************
**
** Name: PowerSwitch
**
** Description: Adjust the controller's power states.
**
*****************************************************************************/
class PowerSwitch
{
public:
/*******************************************************************************
**
** Description: UNKNOWN_LEVEL: power level is unknown because the stack is off.
** FULL_POWER: controller is in full-power state.
** LOW_POWER: controller is in lower-power state.
**
*******************************************************************************/
enum PowerLevel {UNKNOWN_LEVEL, FULL_POWER, LOW_POWER, POWER_OFF};
/*******************************************************************************
**
** Description: DISCOVERY: Discovery is enabled
** SE_ROUTING: Routing to SE is enabled.
** SE_CONNECTED: SE is connected.
**
*******************************************************************************/
typedef int PowerActivity;
static const PowerActivity DISCOVERY;
static const PowerActivity SE_ROUTING;
static const PowerActivity SE_CONNECTED;
/*******************************************************************************
**
** Description: Platform Power Level, copied from NativeNfcBrcmPowerMode.java.
** UNKNOWN_LEVEL: power level is unknown.
** POWER_OFF: The phone is turned OFF
** SCREEN_OFF: The phone is turned ON but screen is OFF
** SCREEN_ON_LOCKED: The phone is turned ON, screen is ON but user locked
** SCREEN_ON_UNLOCKED: The phone is turned ON, screen is ON, and user unlocked
**
*******************************************************************************/
static const int PLATFORM_UNKNOWN_LEVEL = 0;
static const int PLATFORM_POWER_OFF = 1;
static const int PLATFORM_SCREEN_OFF = 2;
static const int PLATFORM_SCREEN_ON_LOCKED = 3;
static const int PLATFORM_SCREEN_ON_UNLOCKED = 4;
static const int VBAT_MONITOR_ENABLED = 1;
static const int VBAT_MONITOR_PRIMARY_THRESHOLD = 5;
static const int VBAT_MONITOR_SECONDARY_THRESHOLD = 8;
/*******************************************************************************
**
** Function: PowerSwitch
**
** Description: Initialize member variables.
**
** Returns: None
**
*******************************************************************************/
PowerSwitch ();
/*******************************************************************************
**
** Function: ~PowerSwitch
**
** Description: Release all resources.
**
** Returns: None
**
*******************************************************************************/
~PowerSwitch ();
/*******************************************************************************
**
** Function: getInstance
**
** Description: Get the singleton of this object.
**
** Returns: Reference to this object.
**
*******************************************************************************/
static PowerSwitch& getInstance ();
/*******************************************************************************
**
** Function: initialize
**
** Description: Initialize member variables.
**
** Returns: None
**
*******************************************************************************/
void initialize (PowerLevel level);
/*******************************************************************************
**
** Function: getLevel
**
** Description: Get the current power level of the controller.
**
** Returns: Power level.
**
*******************************************************************************/
PowerLevel getLevel ();
/*******************************************************************************
**
** Function: setLevel
**
** Description: Set the controller's power level.
** level: power level.
**
** Returns: True if ok.
**
*******************************************************************************/
bool setLevel (PowerLevel level);
/*******************************************************************************
**
** Function: setModeOff
**
** Description: Set a mode to be deactive.
**
** Returns: True if any mode is still active.
**
*******************************************************************************/
bool setModeOff (PowerActivity deactivated);
/*******************************************************************************
**
** Function: setModeOn
**
** Description: Set a mode to be active.
**
** Returns: True if any mode is active.
**
*******************************************************************************/
bool setModeOn (PowerActivity activated);
/*******************************************************************************
**
** Function: abort
**
** Description: Abort and unblock currrent operation.
**
** Returns: None
**
*******************************************************************************/
void abort ();
/*******************************************************************************
**
** Function: deviceManagementCallback
**
** Description: Callback function for the stack.
** event: event ID.
** eventData: event's data.
**
** Returns: None
**
*******************************************************************************/
static void deviceManagementCallback (UINT8 event, tNFA_DM_CBACK_DATA* eventData);
/*******************************************************************************
**
** Function: isPowerOffSleepFeatureEnabled
**
** Description: Whether power-off-sleep feature is enabled in .conf file.
**
** Returns: True if feature is enabled.
**
*******************************************************************************/
bool isPowerOffSleepFeatureEnabled ();
private:
PowerLevel mCurrLevel;
UINT8 mCurrDeviceMgtPowerState; //device management power state; such as NFA_DM_PWR_STATE_???
int mDesiredScreenOffPowerState; //read from .conf file; 0=power-off-sleep; 1=full power; 2=CE4 power
static PowerSwitch sPowerSwitch; //singleton object
static const UINT8 NFA_DM_PWR_STATE_UNKNOWN = -1; //device management power state power state is unknown
SyncEvent mPowerStateEvent;
PowerActivity mCurrActivity;
Mutex mMutex;
/*******************************************************************************
**
** Function: setPowerOffSleepState
**
** Description: Adjust controller's power-off-sleep state.
** sleep: whether to enter sleep state.
**
** Returns: True if ok.
**
*******************************************************************************/
bool setPowerOffSleepState (bool sleep);
/*******************************************************************************
**
** Function: deviceMgtPowerStateToString
**
** Description: Decode power level to a string.
** deviceMgtPowerState: power level.
**
** Returns: Text representation of power level.
**
*******************************************************************************/
const char* deviceMgtPowerStateToString (UINT8 deviceMgtPowerState);
/*******************************************************************************
**
** Function: powerLevelToString
**
** Description: Decode power level to a string.
** level: power level.
**
** Returns: Text representation of power level.
**
*******************************************************************************/
const char* powerLevelToString (PowerLevel level);
};
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