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
|
/***************************************************************************
*
* Project: OpenCPN
*
***************************************************************************
* Copyright (C) 2013 by David S. Register *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
**************************************************************************/
#ifndef __OCP_DATASTREAMINPUT_THREAD_H__
#define __OCP_DATASTREAMINPUT_THREAD_H__
#include <wx/thread.h>
#include <wx/string.h>
#include <wx/event.h>
#include <wx/arrstr.h>
#include <mutex> // std::mutex
#include <queue> // std::queue
#ifdef __WXMSW__
#include <windows.h>
#include <initguid.h>
#include "setupapi.h" // presently stored in opencpn/src
#endif
#include "config.h"
#include "dsPortType.h"
#ifdef OCPN_USE_NEWSERIAL
#include "serial/serial.h"
#endif
#define OUT_QUEUE_LENGTH 20
#define MAX_OUT_QUEUE_MESSAGE_LENGTH 100
class DataStream;
template<typename T>
class atomic_queue
{
public:
size_t size()
{
std::lock_guard<std::mutex> lock(m_mutex);
return m_queque.size();
}
bool empty()
{
std::lock_guard<std::mutex> lock(m_mutex);
return m_queque.empty();
}
const T& front()
{
std::lock_guard<std::mutex> lock(m_mutex);
return m_queque.front();
}
void push( const T& value )
{
std::lock_guard<std::mutex> lock(m_mutex);
m_queque.push(value);
}
void pop()
{
std::lock_guard<std::mutex> lock(m_mutex);
m_queque.pop();
}
private:
std::queue<T> m_queque;
mutable std::mutex m_mutex;
};
/**
* This thread manages reading the data stream from the declared serial port.
*
* This thread manages reading the NMEA data stream from the declared source.
*/
class OCP_DataStreamInput_Thread: public wxThread
{
public:
OCP_DataStreamInput_Thread(DataStream *Launcher,
wxEvtHandler *MessageTarget,
const wxString& PortName,
const wxString& strBaudRate,
dsPortType io_select
);
~OCP_DataStreamInput_Thread(void);
void *Entry();
bool SetOutMsg(const wxString &msg);
void OnExit(void);
private:
#ifdef OCPN_USE_NEWSERIAL
serial::Serial m_serial;
void ThreadMessage(const wxString &msg);
bool OpenComPortPhysical(const wxString &com_name, int baud_rate);
void CloseComPortPhysical();
void Parse_And_Send_Posn(const char *s);
size_t WriteComPortPhysical(char *msg);
size_t WriteComPortPhysical(const wxString& string);
#else
void ThreadMessage(const wxString &msg);
void Parse_And_Send_Posn(const char *s);
int OpenComPortPhysical(const wxString &com_name, int baud_rate);
int CloseComPortPhysical(int fd);
int WriteComPortPhysical(int port_descriptor, const wxString& string);
int WriteComPortPhysical(int port_descriptor, char *msg);
int ReadComPortPhysical(int port_descriptor, int count, unsigned char *p);
bool CheckComPortPhysical(int port_descriptor);
void HandleASuccessfulRead( char *buf, int nread );
wxCriticalSection m_outCritical;
#endif
wxEvtHandler *m_pMessageTarget;
DataStream *m_launcher;
wxString m_PortName;
wxString m_FullPortName;
dsPortType m_io_select;
char *put_ptr;
char *tak_ptr;
char *rx_buffer;
char *temp_buf;
unsigned long error;
int m_gps_fd;
int m_baud;
int m_n_timeout;
//int m_takIndex;
//int m_putIndex;
//char *m_poutQueue[OUT_QUEUE_LENGTH];
atomic_queue<char *> out_que;
#ifdef __WXMSW__
HANDLE m_hSerialComm;
bool m_nl_found;
#endif
};
#endif
|
