File indexing completed on 2024-04-28 03:50:13

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2010 Wes Hardaker <hardaker@users.sourceforge.net>
 //
 
 #include "AprsTTY.h"
 
 #include <QSerialPort>
 
 #include "MarbleDebug.h"
 
 #include "AprsGatherer.h"
 
 using namespace Marble;
 
 AprsTTY::AprsTTY( const QString &ttyName )
     : m_ttyName( ttyName ),
       m_numErrors( 0 )
 {
 }
 
 AprsTTY::~AprsTTY()
 {
 }
 
 QString
 AprsTTY::sourceName() const
 {
     return QString( "TTY" );
 }
 
 bool
 AprsTTY::canDoDirect() const
 {
     return true;
 }
 
 QIODevice *
 AprsTTY::openSocket() 
 {
     QSerialPort *m_port = new QSerialPort( m_ttyName );
     m_port->setBaudRate( QSerialPort::Baud9600, QSerialPort::Input );
     m_port->setParity( QSerialPort::NoParity );
     m_port->setDataBits( QSerialPort::Data8 );
     m_port->setStopBits( QSerialPort::OneStop );
 //    m_port->setTimeout( 60000 ); // ms
     m_port->open( QIODevice::ReadOnly );
     mDebug() << "opened TTY socket";
     if ( m_port->isOpen() ) {
         mDebug() << "connected to " << m_ttyName.toLocal8Bit().data();
     } else {
         delete m_port;
         m_port = nullptr;
         mDebug() << "**** failed to open terminal " << m_ttyName.toLocal8Bit().data() << " ****";
     }
     return m_port;
 }
 
 void
 AprsTTY::checkReadReturn( int length, QIODevice **socket,
                           AprsGatherer *gatherer ) 
 {
     if ( length < 0 || ( length == 0 && m_numErrors > 5 ) ) {
         // hard error.  try reopening
         mDebug() << "**** restarting TTY socket";
         delete *socket;
         gatherer->sleepFor( 1 );
         *socket = openSocket();
         return;
     }
     if ( length == 0 ) {
         ++m_numErrors;
         mDebug() << "**** Odd: read zero bytes from TTY socket";
         return;
     }
     return;
 }