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3** Copyright (C) 2013 Laszlo Papp <lpapp@kde.org>
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50
51#include "serialportreader.h"
52
53#include <QCoreApplication>
54
55SerialPortReader::SerialPortReader(QSerialPort *serialPort, QObject *parent) :
56 QObject(parent),
57 m_serialPort(serialPort),
58 m_standardOutput(stdout)
59{
60 connect(sender: m_serialPort, signal: &QSerialPort::readyRead, receiver: this, slot: &SerialPortReader::handleReadyRead);
61 connect(sender: m_serialPort, signal: &QSerialPort::errorOccurred, receiver: this, slot: &SerialPortReader::handleError);
62 connect(sender: &m_timer, signal: &QTimer::timeout, receiver: this, slot: &SerialPortReader::handleTimeout);
63
64 m_timer.start(msec: 5000);
65}
66
67void SerialPortReader::handleReadyRead()
68{
69 m_readData.append(a: m_serialPort->readAll());
70
71 if (!m_timer.isActive())
72 m_timer.start(msec: 5000);
73}
74
75void SerialPortReader::handleTimeout()
76{
77 if (m_readData.isEmpty()) {
78 m_standardOutput << QObject::tr(s: "No data was currently available "
79 "for reading from port %1")
80 .arg(a: m_serialPort->portName())
81 << "\n";
82 } else {
83 m_standardOutput << QObject::tr(s: "Data successfully received from port %1")
84 .arg(a: m_serialPort->portName())
85 << "\n";
86 m_standardOutput << m_readData << "\n";
87 }
88
89 QCoreApplication::quit();
90}
91
92void SerialPortReader::handleError(QSerialPort::SerialPortError serialPortError)
93{
94 if (serialPortError == QSerialPort::ReadError) {
95 m_standardOutput << QObject::tr(s: "An I/O error occurred while reading "
96 "the data from port %1, error: %2")
97 .arg(a: m_serialPort->portName())
98 .arg(a: m_serialPort->errorString())
99 << "\n";
100 QCoreApplication::exit(retcode: 1);
101 }
102}
103

source code of qtserialport/examples/serialport/creaderasync/serialportreader.cpp