bluetooth.zip

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); QBluetoothDeviceDiscoveryAgent *discoveryAgent; discoveryAgent = new QBluetoothDeviceDiscoveryAgent; connect(discoveryAgent, SIGNAL(deviceDiscovered(QBluetoothDeviceInfo)), this, SLOT(discoverBlueTooth(QBluetoothDeviceInfo))); connect(discoveryAgent, SIGNAL(finished()), this, SLOT(discoveryFinished())); discoveryAgent->start(); } void MainWindow::discoveryFinished() { qDebug()<<"discoveryFinished"; static QString serviceUuid("00001101-0000-1000-8000-00805F9B34FB"); socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol); socket->connectToService(QBluetoothAddress(BTaddress), QBluetoothUuid(serviceUuid),QIODevice::ReadWrite); connect(socket,SIGNAL(readyRead()), this, SLOT(readBluetoothDataEvent())); connect(socket,SIGNAL(connected()), this, SLOT(bluetoothConnectedEvent())); } void MainWindow::discoverBlueTooth(QBluetoothDeviceInfo info) { QString label = QString("%1 %2").arg(info.address().toString()).arg(info.name()); if(info.name()=="HC-06") { BTaddress = info.address().toString(); } qDebug()<<label; } void MainWindow::readBluetoothDataEvent() { char data[100]; qint64 len = socket->read((char *)data, 100); QByteArray qa2((char*)data,len); QString qstr(qa2.toHex());// qDebug()<<"----"<<qstr.toUpper(); } void MainWindow::bluetoothConnectedEvent() { qDebug()<<"bluetoothConnectedEvent"; bluetoothDataSend("hellow bluetooth"); } void MainWindow::bluetoothDataSend(QString str) { QByteArray arrayData; arrayData = str.toUtf8(); socket->write(arrayData); } MainWindow::~MainWindow() { delete ui; }