1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "console.h"
#include "settingsdialog.h"
#include <QtWidgets/QMessageBox>
#include <QtAddOnSerialPort/serialport.h>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
console = new Console;
console->setEnabled(false);
setCentralWidget(console);
serial = new SerialPort(this);
settings = new SettingsDialog;
ui->actionConnect->setEnabled(true);
ui->actionDisconnect->setEnabled(false);
ui->actionConfigure->setEnabled(true);
initActionsConnections();
connect(serial, SIGNAL(readyRead()), this, SLOT(readData()));
connect(console, SIGNAL(getData(QByteArray)), this, SLOT(writeData(QByteArray)));
}
MainWindow::~MainWindow()
{
delete settings;
delete ui;
}
void MainWindow::open()
{
SettingsDialog::Settings p = settings->settings();
serial->setPort(p.name);
if (serial->open(QIODevice::ReadWrite)) {
if (serial->setRate(p.rate)
&& serial->setDataBits(p.dataBits)
&& serial->setParity(p.parity)
&& serial->setStopBits(p.stopBits)
&& serial->setFlowControl(p.flowcontrol)) {
console->setEnabled(true);
ui->actionConnect->setEnabled(false);
ui->actionDisconnect->setEnabled(true);
ui->actionConfigure->setEnabled(false);
ui->statusBar->showMessage(tr("Connected to %1 : %2, %3, %4, %5, %6")
.arg(p.name).arg(p.stringRate).arg(p.stringDataBits)
.arg(p.stringParity).arg(p.stringStopBits).arg(p.stringFlowControl));
} else {
QMessageBox::critical(this, tr("Error"),
tr("Can't configure the serial port: %1,\n"
"error code: %2")
.arg(p.name).arg(serial->error()));
ui->statusBar->showMessage(tr("Open error"));
}
} else {
QMessageBox::critical(this, tr("Error"),
tr("Can't opened the serial port: %1,\n"
"error code: %2")
.arg(p.name).arg(serial->error()));
ui->statusBar->showMessage(tr("Configure error"));
}
}
void MainWindow::close()
{
serial->close();
console->setEnabled(false);
ui->actionConnect->setEnabled(true);
ui->actionDisconnect->setEnabled(false);
ui->actionConfigure->setEnabled(true);
ui->statusBar->showMessage(tr("Disconnected"));
}
void MainWindow::about()
{
QMessageBox::about(this, tr("About Simple Terminal"),
tr("The <b>Simple Terminal</b> example demonstrates how to "
"use the QtSerialPort module in modern GUI applications "
"using Qt, with a menu bar, toolbars, and a status bar."));
}
void MainWindow::writeData(const QByteArray &data)
{
serial->write(data);
}
void MainWindow::readData()
{
QByteArray data = serial->readAll();
console->putData(data);
}
void MainWindow::initActionsConnections()
{
connect(ui->actionConnect, SIGNAL(triggered()), this, SLOT(open()));
connect(ui->actionDisconnect, SIGNAL(triggered()), this, SLOT(close()));
connect(ui->actionConfigure, SIGNAL(triggered()), settings, SLOT(show()));
connect(ui->actionClear, SIGNAL(triggered()), console, SLOT(clear()));
connect(ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()));
connect(ui->actionAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}
|
