/home/ron/Desktop/Frontend/src/serial.cpp

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#include <qextserialport.h>
#include <QDebug>

#include "serial.h"


SerialPortReader::SerialPortReader( QObject * parent )
   : QThread( parent )
{
   // Use of QextSerialPort proprietary library
   COM_Port = new QextSerialPort( "COM3" );

   if ( COM_Port->open( QIODevice::ReadOnly | QIODevice::Unbuffered ) )
   {
      COM_Port->setBaudRate(BAUD9600);
      COM_Port->setFlowControl(FLOW_OFF);
      COM_Port->setParity(PAR_NONE);
      COM_Port->setDataBits(DATA_8);
      COM_Port->setStopBits(STOP_1);
      qDebug() << QString("Connected.");
   } else {
      qDebug() << QString("Connection failed!");
   }
}

SerialPortReader::~SerialPortReader()
{
   COM_Port->close();
   delete COM_Port;
}

bool SerialPortReader::isOpen()
{
   return COM_Port->isOpen();
}

// Run function is launched automaticaly with
// ->start() method of QThread
void SerialPortReader::run()
{
   char data[6];
   QString* str = new QString;
   int bytesReaded;
   int sgnVal;

   while( 1 )
   {
      // Read serial buffer by 5 bytes
      // (3 numbers + '\r' + '\n')
      bytesReaded = COM_Port->read( &data[0], 5 );
      data[5] = '\0';
      *str = data;
      sgnVal = str->toInt();
      emit serialSignal( &sgnVal );
   }
}