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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/****************************************************************************
**
** Copyright (C) 2011-2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2011 Sergey Belyashov <Sergey.Belyashov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qserialportinfo.h"
#include "qserialportinfo_p.h"
#include "qserialport_android_p.h"
#include <QtCore/qscopedpointer.h>
#include <QtCore/qstringlist.h>
#include <QtAndroidExtras/QtAndroidExtras>
#include <QtAndroidExtras/QAndroidJniObject>
#include <android/log.h>
QT_BEGIN_NAMESPACE
static const char V_jniClassName[] {"org/mavlink/qgroundcontrol/QGCActivity"};
static const char V_TAG[] {"QGC_QSerialPortInfo"};
extern void cleanJavaException();
static int gErrorCount = 0;
QList<QSerialPortInfo> availablePortsByFiltersOfDevices(bool &ok)
{
QList<QSerialPortInfo> serialPortInfoList;
//__android_log_print(ANDROID_LOG_INFO, V_TAG, "Collecting device list");
QAndroidJniObject resultL = QAndroidJniObject::callStaticObjectMethod(
V_jniClassName,
"availableDevicesInfo",
"()[Ljava/lang/String;");
if (!resultL.isValid()) {
//-- If 5 consecutive errors, ignore it.
if(gErrorCount < 5) {
gErrorCount++;
__android_log_print(ANDROID_LOG_ERROR, V_TAG, "Error from availableDevicesInfo");
}
ok = false;
return serialPortInfoList;
} else {
gErrorCount = 0;
}
QAndroidJniEnvironment envL;
jobjectArray objArrayL = resultL.object<jobjectArray>();
int countL = envL->GetArrayLength(objArrayL);
for (int iL = 0; iL < countL; iL++)
{
QSerialPortInfoPrivate priv;
jstring stringL = (jstring)(envL->GetObjectArrayElement(objArrayL, iL));
const char *rawStringL = envL->GetStringUTFChars(stringL, 0);
//__android_log_print(ANDROID_LOG_INFO, V_TAG, "Adding device: %s", rawStringL);
QStringList strListL = QString::fromUtf8(rawStringL).split(QStringLiteral(":"));
envL->ReleaseStringUTFChars(stringL, rawStringL);
priv.portName = strListL[0];
priv.device = strListL[0];
priv.manufacturer = strListL[1];
priv.productIdentifier = strListL[2].toInt();
priv.hasProductIdentifier = (priv.productIdentifier != 0) ? true: false;
priv.vendorIdentifier = strListL[3].toInt();
priv.hasVendorIdentifier = (priv.vendorIdentifier != 0) ? true: false;
serialPortInfoList.append(priv);
}
return serialPortInfoList;
}
QList<QSerialPortInfo> availablePortsBySysfs()
{
bool ok;
return availablePortsByFiltersOfDevices(ok);
}
QList<QSerialPortInfo> availablePortsByUdev()
{
bool ok;
return availablePortsByFiltersOfDevices(ok);
}
QList<QSerialPortInfo> QSerialPortInfo::availablePorts()
{
bool ok;
return availablePortsByFiltersOfDevices(ok);
}
QList<qint32> QSerialPortInfo::standardBaudRates()
{
return QSerialPortPrivate::standardBaudRates();
}
bool QSerialPortInfo::isBusy() const
{
QAndroidJniObject jstrL = QAndroidJniObject::fromString(d_ptr->portName);
cleanJavaException();
jboolean resultL = QAndroidJniObject::callStaticMethod<jboolean>(
V_jniClassName,
"isDeviceNameOpen",
"(Ljava/lang/String;)Z",
jstrL.object<jstring>());
cleanJavaException();
return resultL;
}
bool QSerialPortInfo::isValid() const
{
QAndroidJniObject jstrL = QAndroidJniObject::fromString(d_ptr->portName);
cleanJavaException();
jboolean resultL = QAndroidJniObject::callStaticMethod<jboolean>(
V_jniClassName,
"isDeviceNameValid",
"(Ljava/lang/String;)Z",
jstrL.object<jstring>());
cleanJavaException();
return resultL;
}
QString QSerialPortInfoPrivate::portNameToSystemLocation(const QString &source)
{
return (source.startsWith(QLatin1Char('/'))
|| source.startsWith(QStringLiteral("./"))
|| source.startsWith(QStringLiteral("../")))
? source : (QStringLiteral("/dev/") + source);
}
QString QSerialPortInfoPrivate::portNameFromSystemLocation(const QString &source)
{
return source.startsWith(QStringLiteral("/dev/"))
? source.mid(5) : source;
}
QT_END_NAMESPACE