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3** Copyright (C) 2013 Laszlo Papp <lpapp@kde.org>
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50
51#include "serialportwriter.h"
52
53#include <QCoreApplication>
54#include <QFile>
55#include <QSerialPort>
56#include <QStringList>
57#include <QTextStream>
58
59int main(int argc, char *argv[])
60{
61 QCoreApplication coreApplication(argc, argv);
62 const int argumentCount = QCoreApplication::arguments().size();
63 const QStringList argumentList = QCoreApplication::arguments();
64
65 QTextStream standardOutput(stdout);
66
67 if (argumentCount == 1) {
68 standardOutput << QObject::tr(s: "Usage: %1 <serialportname> [baudrate]")
69 .arg(a: argumentList.first())
70 << "\n";
71 return 1;
72 }
73
74 QSerialPort serialPort;
75 const QString serialPortName = argumentList.at(i: 1);
76 serialPort.setPortName(serialPortName);
77
78 const int serialPortBaudRate = (argumentCount > 2)
79 ? argumentList.at(i: 2).toInt() : QSerialPort::Baud9600;
80 serialPort.setBaudRate(baudRate: serialPortBaudRate);
81
82 serialPort.open(mode: QIODevice::WriteOnly);
83
84 QFile dataFile;
85 if (!dataFile.open(stdin, ioFlags: QIODevice::ReadOnly)) {
86 standardOutput << QObject::tr(s: "Failed to open stdin for reading") << "\n";
87 return 1;
88 }
89
90 const QByteArray writeData(dataFile.readAll());
91 dataFile.close();
92
93 if (writeData.isEmpty()) {
94 standardOutput << QObject::tr(s: "Either no data was currently available on "
95 "the standard input for reading, "
96 "or an error occurred for port %1, error: %2")
97 .arg(a: serialPortName).arg(a: serialPort.errorString())
98 << "\n";
99 return 1;
100 }
101
102 SerialPortWriter serialPortWriter(&serialPort);
103 serialPortWriter.write(writeData);
104
105 return coreApplication.exec();
106}
107

source code of qtserialport/examples/serialport/cwriterasync/main.cpp