1 /* 2 * Copyright (C) 2014 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 package android.bluetooth; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 /** 23 * Record of energy and activity information from controller and 24 * underlying bt stack state.Timestamp the record with system 25 * time 26 * @hide 27 */ 28 public final class BluetoothActivityEnergyInfo implements Parcelable { 29 private final int mBluetoothStackState; 30 private final int mControllerTxTimeMs; 31 private final int mControllerRxTimeMs; 32 private final int mControllerIdleTimeMs; 33 private final int mControllerEnergyUsed; 34 private final long timestamp; 35 36 public static final int BT_STACK_STATE_INVALID = 0; 37 public static final int BT_STACK_STATE_STATE_ACTIVE = 1; 38 public static final int BT_STACK_STATE_STATE_SCANNING = 2; 39 public static final int BT_STACK_STATE_STATE_IDLE = 3; 40 BluetoothActivityEnergyInfo(int stackState, int txTime, int rxTime, int idleTime, int energyUsed)41 public BluetoothActivityEnergyInfo(int stackState, int txTime, int rxTime, 42 int idleTime, int energyUsed) { 43 mBluetoothStackState = stackState; 44 mControllerTxTimeMs = txTime; 45 mControllerRxTimeMs = rxTime; 46 mControllerIdleTimeMs = idleTime; 47 mControllerEnergyUsed = energyUsed; 48 timestamp = System.currentTimeMillis(); 49 } 50 51 @Override toString()52 public String toString() { 53 return "BluetoothActivityEnergyInfo{" 54 + " timestamp=" + timestamp 55 + " mBluetoothStackState=" + mBluetoothStackState 56 + " mControllerTxTimeMs=" + mControllerTxTimeMs 57 + " mControllerRxTimeMs=" + mControllerRxTimeMs 58 + " mControllerIdleTimeMs=" + mControllerIdleTimeMs 59 + " mControllerEnergyUsed=" + mControllerEnergyUsed 60 + " }"; 61 } 62 63 public static final Parcelable.Creator<BluetoothActivityEnergyInfo> CREATOR = 64 new Parcelable.Creator<BluetoothActivityEnergyInfo>() { 65 public BluetoothActivityEnergyInfo createFromParcel(Parcel in) { 66 int stackState = in.readInt(); 67 int txTime = in.readInt(); 68 int rxTime = in.readInt(); 69 int idleTime = in.readInt(); 70 int energyUsed = in.readInt(); 71 return new BluetoothActivityEnergyInfo(stackState, txTime, rxTime, 72 idleTime, energyUsed); 73 } 74 public BluetoothActivityEnergyInfo[] newArray(int size) { 75 return new BluetoothActivityEnergyInfo[size]; 76 } 77 }; 78 writeToParcel(Parcel out, int flags)79 public void writeToParcel(Parcel out, int flags) { 80 out.writeInt(mBluetoothStackState); 81 out.writeInt(mControllerTxTimeMs); 82 out.writeInt(mControllerRxTimeMs); 83 out.writeInt(mControllerIdleTimeMs); 84 out.writeInt(mControllerEnergyUsed); 85 } 86 describeContents()87 public int describeContents() { 88 return 0; 89 } 90 91 /** 92 * @return bt stack reported state 93 */ getBluetoothStackState()94 public int getBluetoothStackState() { 95 return mBluetoothStackState; 96 } 97 98 /** 99 * @return tx time in ms 100 */ getControllerTxTimeMillis()101 public int getControllerTxTimeMillis() { 102 return mControllerTxTimeMs; 103 } 104 105 /** 106 * @return rx time in ms 107 */ getControllerRxTimeMillis()108 public int getControllerRxTimeMillis() { 109 return mControllerRxTimeMs; 110 } 111 112 /** 113 * @return idle time in ms 114 */ getControllerIdleTimeMillis()115 public int getControllerIdleTimeMillis() { 116 return mControllerIdleTimeMs; 117 } 118 119 /** 120 * product of current(mA), voltage(V) and time(ms) 121 * @return energy used 122 */ getControllerEnergyUsed()123 public int getControllerEnergyUsed() { 124 return mControllerEnergyUsed; 125 } 126 /** 127 * @return timestamp(wall clock) of record creation 128 */ getTimeStamp()129 public long getTimeStamp() { 130 return timestamp; 131 } 132 133 /** 134 * @return if the record is valid 135 */ isValid()136 public boolean isValid() { 137 return ((getControllerTxTimeMillis() !=0) || 138 (getControllerRxTimeMillis() !=0) || 139 (getControllerIdleTimeMillis() !=0)); 140 } 141 } 142