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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited all rights reserved
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qlowenergycharacteristicinfo.h"
#include "qlowenergycharacteristicinfo_p.h"
#include "bluez/characteristic_p.h"
#include "qlowenergyprocess_p.h"
#include <QtDBus/QDBusPendingCallWatcher>
//#define QT_LOWENERGYCHARACTERISTIC_DEBUG
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
#include <QtCore/QDebug>
#endif
QT_BEGIN_NAMESPACE
QLowEnergyCharacteristicInfoPrivate::QLowEnergyCharacteristicInfoPrivate()
: permission(0), notification (false), handle(QStringLiteral("0x0000")),
properties(QVariantMap()), characteristic(0), m_signalConnected(false)
{
process = process->instance();
t=0;
}
QLowEnergyCharacteristicInfoPrivate::~QLowEnergyCharacteristicInfoPrivate()
{
delete characteristic;
}
void QLowEnergyCharacteristicInfoPrivate::replyReceived(const QString &reply)
{
QStringList update, row;
update = QStringList();
row = QStringList();
if (reply.contains(QStringLiteral("[CON]"))) {
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << "Char connected" << t;
#endif
}
if (reply.contains(QStringLiteral("[CON]")) && t == 1) {
QString command = QStringLiteral("char-read-hnd ") + handle;
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
t++;
}
if (reply.contains(QStringLiteral("Notification handle"))) {
update = reply.split(QStringLiteral("\n"));
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << update.size();
#endif
for (int i = 0; i< update.size(); i ++) {
if (update.at(i).contains(QStringLiteral("Notification handle"))) {
row = update.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << "Handle : "<< handle << row;
#endif
if (row.at(2) == handle) {
QString notificationValue = QStringLiteral("");
for (int j = 4 ; j< row.size(); j++)
notificationValue += row.at(j);
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << notificationValue;
#endif
value = notificationValue.toUtf8();
properties[QStringLiteral("value")] = value;
emit notifyValue(uuid);
}
}
}
}
if (reply.contains(QStringLiteral("Characteristic value/descriptor:"))) {
update = reply.split(QStringLiteral("\n"));
for (int i = 0; i< update.size(); i ++) {
if (update.at(i).contains(QStringLiteral("Characteristic value/descriptor:"))) {
row = update.at(i).split(QRegularExpression(QStringLiteral("\\W+")), QString::SkipEmptyParts);
QString val = QStringLiteral("");
for ( int j = 3; j<row.size(); j++)
val += row.at(j);
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << "HANDLE: " << uuid << val;
#endif
value = val.toUtf8();
properties[QStringLiteral("value")] = value;
}
}
}
}
void QLowEnergyCharacteristicInfoPrivate::setValue(const QByteArray &wantedValue)
{
if (permission & QLowEnergyCharacteristicInfo::Write || notification) {
process = process->instance();
if (!m_signalConnected) {
connect(process, SIGNAL(replySend(const QString &)), this, SLOT(replyReceived(const QString &)));
m_signalConnected = true;
}
value = wantedValue;
QString command;
if (notification == true)
command = QStringLiteral("char-write-req ") + notificationHandle + QStringLiteral(" ") + QString::fromLocal8Bit(value.constData());
else
command = QStringLiteral("char-write-req ") + handle + QStringLiteral(" ") + QString::fromLocal8Bit(value.constData());
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << command << t << process;
#endif
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
t++;
}
else {
errorString = QStringLiteral("This characteristic does not support write operations.");
emit error(uuid);
}
}
bool QLowEnergyCharacteristicInfoPrivate::enableNotification()
{
if (!notification)
return false;
/*
* Wanted value to enable notifications is 0100
*/
if ( (permission & QLowEnergyCharacteristicInfo::Notify) == 0) {
#ifdef QT_LOWENERGYCHARACTERISTIC_DEBUG
qDebug() << "Notification changes not allowed";
#endif
errorString = QStringLiteral("This characteristic does not support notifications.");
emit error(uuid);
return false;
}
QByteArray val;
val.append(48);
val.append(49);
val.append(48);
val.append(48);
setValue(val);
return true;
}
void QLowEnergyCharacteristicInfoPrivate::disableNotification()
{
/*
* Wanted value to disable notifications is 0000
*/
QByteArray val;
val.append(48);
val.append(48);
val.append(48);
val.append(48);
setValue(val);
}
void QLowEnergyCharacteristicInfoPrivate::readDescriptors()
{
}
void QLowEnergyCharacteristicInfoPrivate::readValue()
{
QString command = QStringLiteral("char-read-hnd ") + handle;
process->executeCommand(command);
process->executeCommand(QStringLiteral("\n"));
}
bool QLowEnergyCharacteristicInfoPrivate::valid()
{
return true;
}
QT_END_NAMESPACE
|
