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Bog'liq
Ochilov Shomurod 216-18

2.1 -rasm. HC-05
bluetoothManager.java:46 :
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Message;
import android.widget.Toast;

import java.io.IOException;


import java.io.InputStream;
import java.util.UUID;

/**
* Below is the copyright information.


*

* Copyright (C) 2016 chickenjohn


*

* This program is free software: you can redistribute it and/or modify


* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*

* This program is distributed in the hope that it will be useful,


* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*

* You should have received a copy of the GNU General Public License


* along with this program. If not, see .
*

* You may contact the author by email:


* chickenjohn93@outlook.com
* Created by chickenjohn on 2016/3/12.
*/

public class bluetoothManager {


private boolean CONNECT_STATE = false;
private static BluetoothAdapter myBtAdapter = BluetoothAdapter.getDefaultAdapter();
private static BluetoothDevice myBtDevice;
private clientThread myBtClientThread;
private BluetoothSocket myBtSocket;
public final String btAddress = "00:21:13:01:28:FE";
public bluetoothReceiver btReceiver = new bluetoothReceiver();
private android.os.Handler uiRefreshHandler;
private int receiveECGCounter = 0;
private int receiveSPO2Counter = 0;
private final int ECG_DATA = 0;
private final int SPO2_DATA = 1;
private int dataType = 0;
private boolean receiveSpo2 = true;

public bluetoothManager(android.os.Handler handler) {


uiRefreshHandler = handler;
}

public void enableBluetooth(boolean startDiscovery) {


if (!myBtAdapter.isEnabled()) {
myBtAdapter.enable();
}

if (startDiscovery)


myBtAdapter.startDiscovery();
}

public void disableBluetooth() {


if (myBtAdapter.isEnabled()) {
myBtAdapter.disable();
}
}

public class bluetoothReceiver extends BroadcastReceiver {


@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
String targetName = "HC-05";
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice currentDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (currentDevice.getAddress().equalsIgnoreCase(btAddress)) {
myBtDevice = myBtAdapter.getRemoteDevice(btAddress);
Toast.makeText(context, "Device Found:" + myBtDevice.getName(), Toast.LENGTH_LONG).show();
CONNECT_STATE = true;
myBtClientThread = new clientThread();
myBtClientThread.start();
}
} else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
if (!isConnected()) {
Toast.makeText(context, "Device Not Found", Toast.LENGTH_LONG).show();
}
} else if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {
Toast.makeText(context, "Start to Search", Toast.LENGTH_LONG).show();
} else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
CONNECT_STATE = false;
Toast.makeText(context, "Device Disconnected,Try to reconnect", Toast.LENGTH_LONG).show();
Message uiRefreshMessage = Message.obtain();
uiRefreshMessage.what = 1;
uiRefreshHandler.sendMessage(uiRefreshMessage);
}
}
}

private class clientThread extends Thread {


public void run() {
try {
myBtAdapter.cancelDiscovery();
myBtSocket = myBtDevice.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));
myBtSocket.connect();
new connectThread().start();
Message uiRefreshMessage = Message.obtain();
uiRefreshMessage.what = 0;
uiRefreshHandler.sendMessage(uiRefreshMessage);
} catch (IOException e) {
e.printStackTrace();
}
}
}

private class connectThread extends Thread {


public void run() {
InputStream mmInStream = null;
try {
mmInStream = myBtSocket.getInputStream();
} catch (IOException e1) {
e1.printStackTrace();
}
while (true) {
try {
if ((mmInStream.available()) >= 2) {
//Log.v("data in stream",Integer.toString(bytes));
byte[] buf_data = new byte[2];
mmInStream.read(buf_data);
handleBtData(buf_data);
}
} catch (IOException e) {
try {
mmInStream.close();
} catch (IOException e1) {
e1.printStackTrace();
}
break;
}
}
}
}

//Handle received data here


public void handleBtData(byte[] data) {
int dataInInt;
if (0x0 == (0x80 & data[1])) {
dataInInt = ((0xff & ((int) data[1])) << 8) | (0xff & (int) data[0]);
} else {
dataInInt = ((0xff & (~data[1])) << 8) | (0xff & ((~data[0]) + 1));
dataInInt = -dataInInt;
}

Message uiRefreshMessage = Message.obtain();


switch (dataType) {
case ECG_DATA:
if (receiveSpo2) {
dataType = SPO2_DATA;
}
uiRefreshMessage.what = 2;
uiRefreshMessage.arg1 = dataInInt;
uiRefreshMessage.arg2 = receiveECGCounter;
uiRefreshHandler.sendMessage(uiRefreshMessage);
receiveECGCounter += 1;
break;
case SPO2_DATA:
dataType = ECG_DATA;
uiRefreshMessage.what = 4;
uiRefreshMessage.arg1 = dataInInt;
uiRefreshMessage.arg2 = receiveSPO2Counter;
uiRefreshHandler.sendMessage(uiRefreshMessage);
receiveSPO2Counter += 1;
break;
default:
break;
}

}


public void setSpo2Receiver (boolean receiveOrNot){
receiveSpo2 = receiveOrNot;
receiveSPO2Counter = receiveECGCounter-1;
}

//Registration of Broadcast Receiver


public IntentFilter regBtReceiver() {
IntentFilter bluetoothBroadcastFilter = new IntentFilter();
bluetoothBroadcastFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
bluetoothBroadcastFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
bluetoothBroadcastFilter.addAction(BluetoothDevice.ACTION_FOUND);
bluetoothBroadcastFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
return bluetoothBroadcastFilter;
}

public boolean isConnected() {


return CONNECT_STATE;
}
}


XULOSA
Ushbu Individual loyiha ishida Android studio yordamida EKG ya`ni Elektrokardiogramma yurak muskuli ishlayotganida hosil bo‘lgan elektr impulslarini aks ettiruvchi egri chiziq hosil bo`luvchi ECG Monitor.apk deb nomlanuvchi dasturni yaratdim va bu bilan birga o`zimga juda ko`p ko`nikva xulosalar oldim.
EKG yordamida yurak ritmining turli o‘zgarishlari, yurakning ishemik kasalligi, miokard infarktining xarakteri va bosqichlari aniqlanadi. Yurak kasalliklarini EKG yordamida diagnostika qilish boshqa tekshirish usullari ichida yetakchi o‘rinni egallaydi.


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