mirror of
https://github.com/oliexdev/openScale.git
synced 2025-08-18 14:31:23 +02:00
FitIndex - QNScale
Support for mazon.com/Bluetooth-FITINDEX-Wireless-Bathroom-Composition/dp/B078HW8BPY FitIndex - QNScale as provided by https://github.com/srwareham/openScale/blob/feature_qn_scale/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothQNScale.java
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@@ -99,6 +99,9 @@ public class BluetoothFactory {
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|| deviceName.equals("042FatScale01")) {
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return new BluetoothInlife(context);
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}
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if (deviceName.startsWith("QN-Scale")) {
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return new BluetoothQNScale(context);
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}
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return null;
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}
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}
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@@ -0,0 +1,186 @@
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/* Copyright (C) 2014 olie.xdev <olie.xdev@googlemail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package com.health.openscale.core.bluetooth;
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import android.bluetooth.BluetoothGatt;
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import android.bluetooth.BluetoothGattCharacteristic;
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import android.content.Context;
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import com.health.openscale.core.datatypes.ScaleMeasurement;
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import com.health.openscale.core.utils.Converters;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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import timber.log.Timber;
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public class BluetoothQNScale extends BluetoothCommunication {
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// accurate. Indication means requires ack. notification does not
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private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb");
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//private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe1-0000-1000-8000-00805f9b34fb"); // notify, read-only
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//private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("29f11080-75b9-11e2-8bf6-0002a5d5c51b"); // write only
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// Client Characteristic Configuration Descriptor, constant value of 0x2902
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private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
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///////////// explore
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// Read value notification to get weight. Some other payload structures as well 120f15 & 140b15
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// Also handle 14. Send write requests that are empty? Subscribes to notification on 0xffe1
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private final UUID CUSTOM1_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe1-0000-1000-8000-00805f9b34fb"); // notify, read-only
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// Receive value indication. Is always magic value 210515013c. Message occurs before or after last weight...almost always before.
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// Also send (empty?) write requests on handle 17? Subscribes to indication on 0xffe2
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private final UUID CUSTOM2_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe2-0000-1000-8000-00805f9b34fb"); // indication, read-only
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// Sending write with magic 1f05151049 terminates connection. Sending magic 130915011000000042 only occurs after receiveing a 12 or 14 on 0xffe1 and is always followed by receiving a 14 on 0xffe1
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private final UUID CUSTOM3_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe3-0000-1000-8000-00805f9b34fb"); // write-only
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// Send write of value like 20081568df4023e7 (constant until 815. assuming this is time?). Always sent following the receipt of a 14 on 0xffe1. Always prompts the receipt of a value indication on 0xffe2. This has to be sending time, then prompting for scale to send time for host to finally confirm
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private final UUID CUSTOM4_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe4-0000-1000-8000-00805f9b34fb"); // write-only
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// Never used
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private final UUID CUSTOM5_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe5-0000-1000-8000-00805f9b34fb"); // write-only
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/////////////
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private List<Float> weightReadings = new ArrayList<Float>();
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/** API
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connectDevice(device, "userId", 170, 1, birthday, new new QNBleCallback(){
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void onConnectStart(QNBleDevice bleDevice);
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void onConnected(QNBleDevice bleDevice);
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void onDisconnected(QNBleDevice bleDevice,int status);
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void onUnsteadyWeight(QNBleDevice bleDevice, float weight);
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void onReceivedData(QNBleDevice bleDevice, QNData data);
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void onReceivedStoreData(QNBleDevice bleDevice, List<QNData> datas);
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void onLowPower();
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**/
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private ScaleMeasurement btScaleMeasurement;
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// Scale time is in seconds since 2000-01-01 00:00:00 (utc).
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private static final long SCALE_UNIX_TIMESTAMP_OFFSET = 946702800;
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public BluetoothQNScale(Context context) {
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super(context);
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btScaleMeasurement = new ScaleMeasurement();
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}
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// Includes FITINDEX ES-26M
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@Override
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public String driverName() {
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return "QN Scale";
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}
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@Override
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protected boolean nextInitCmd(int stateNr) {
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return false;
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}
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@Override
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protected boolean nextBluetoothCmd(int stateNr) {
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switch (stateNr) {
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case 0:
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// set notification on for custom characteristic 1 (weight, time, and others)
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setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, CUSTOM1_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
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break;
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case 1:
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// set indication on for weight measurement
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setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, CUSTOM2_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
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break;
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case 2:
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// write magicnumber 0x130915011000000042 to 0xffe3
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byte[] ffe3magicBytes = new byte[] {(byte)0x13, (byte)0x09, (byte)0x15, (byte)0x01, (byte)0x10, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x42};
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writeBytes(WEIGHT_MEASUREMENT_SERVICE, CUSTOM3_MEASUREMENT_CHARACTERISTIC, ffe3magicBytes);
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break;
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case 3:
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// send time magic number to receive weight data
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long timestamp = new Date().getTime() / 1000;
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// TODO: probably shouldn't be doing this here?
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btScaleMeasurement.setDateTime(new Date(timestamp * 1000));
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timestamp -= SCALE_UNIX_TIMESTAMP_OFFSET;
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byte[] date = Converters.toUnsignedInt32Le(timestamp);
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byte[] timeMagicBytes = new byte[] {(byte)0x02, date[0], date[1], date[2], date[3]};
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writeBytes(WEIGHT_MEASUREMENT_SERVICE, CUSTOM4_MEASUREMENT_CHARACTERISTIC, timeMagicBytes);
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break;
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default:
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return false;
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}
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return true;
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}
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@Override
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protected boolean nextCleanUpCmd(int stateNr) {
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switch (stateNr) {
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case 0:
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// send stop command to scale (0x1f05151049)
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writeBytes(WEIGHT_MEASUREMENT_SERVICE, CUSTOM3_MEASUREMENT_CHARACTERISTIC, new byte[]{(byte)0x1f, (byte)0x05, (byte)0x15, (byte)0x10, (byte)0x49});
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break;
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default:
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return false;
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}
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return true;
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}
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@Override
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public void onBluetoothDataChange(BluetoothGatt bluetoothGatt, BluetoothGattCharacteristic gattCharacteristic) {
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final byte[] data = gattCharacteristic.getValue();
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if (gattCharacteristic.getUuid().equals(CUSTOM1_MEASUREMENT_CHARACTERISTIC)) {
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parseCustom1Data(data);
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}
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}
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private void parseCustom1Data(byte[] custom1Data){
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int firstByte = custom1Data[0] & 0xFF;
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int secondByte = custom1Data[1] & 0xFF;
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int thirdByte = custom1Data[2] & 0xFF;
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Timber.e("First byte %d", firstByte);
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Timber.e("Second byte %d", secondByte);
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Timber.e("Third byte %d", thirdByte);
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//int fourthByte = custom1Data[3] & 0xFF;
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//int fifthByte = custom1Data[4] & 0xFF;
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// If this is a weight byte
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if (firstByte == 0x10 && secondByte == 0x0b && thirdByte == 0x15){
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byte[] weightBytes = new byte[]{custom1Data[3], custom1Data[4]};
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int rawWeight = ((weightBytes[0] & 0xff) <<8 | weightBytes[1] & 0xff);
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float weight = rawWeight / 100.0f;
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//float weight = Converters.fromUnsignedInt16Le(weightBytes, 0) / 100.0f;
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int weightByteOne = custom1Data[3] & 0xFF;
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int weightByteTwo = custom1Data[4] & 0xFF;
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Timber.e("Weight byte 1 %d", weightByteOne);
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Timber.e("Weight byte 2 %d", weightByteTwo);
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Timber.e("Raw Weight: %d", rawWeight);
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weightReadings.add(weight);
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btScaleMeasurement.setWeight(weight);
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//setBtMachineState(BT_MACHINE_STATE.BT_CLEANUP_STATE)
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addScaleData(btScaleMeasurement);
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}
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}
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private boolean shouldSetWeight(List<Float> weights){
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return false;
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}
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}
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@@ -348,4 +348,13 @@ public class Converters {
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toInt32Be(data, 0, value);
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return data;
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}
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public static byte[] toUnsignedInt32Le(long value) {
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byte[] data = new byte[4];
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data[3] = (byte) ((value >> 24) & 0xFF);
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data[2] = (byte) ((value >> 16) & 0xFF);
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data[1] = (byte) ((value >> 8) & 0xFF);
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data[0] = (byte) (value & 0xFF);
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return data;
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}
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}
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