Initialisation Variable Statique
Bonjour,
J'ai deux classes : TTimer et pedal dont voici les headers:
template_timer.h
Code:
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
| #pragma once
#include <atlbase.h>
static void CALLBACK TimerProc(void*, BOOLEAN);
// **********************************************************
// * class CTimer *
// **********************************************************
class CTimer
{
public:
CTimer()
{
m_hTimer = NULL;
m_mutexCount = 0;
}
virtual ~CTimer()
{
Stop();
}
bool Start(unsigned int interval, // interval in ms
bool immediately = false,// true to call first event immediately
bool once = false) // true to call timed event only once
{
if( m_hTimer )
{
return false;
}
SetCount(0);
BOOL success = CreateTimerQueueTimer( &m_hTimer,
NULL,
TimerProc,
this,
immediately ? 0 : interval,
once ? 0 : interval,
WT_EXECUTEINTIMERTHREAD);
return( success != 0 );
}
void Stop()
{
DeleteTimerQueueTimer( NULL, m_hTimer, NULL );
m_hTimer = NULL ;
}
virtual void OnTimedEvent()
{
// Override in derived class
}
void SetCount(int value)
{
InterlockedExchange( &m_mutexCount, value );
}
int GetCount()
{
return InterlockedExchangeAdd( &m_mutexCount, 0 );
}
private:
HANDLE m_hTimer;
long m_mutexCount;
};
// **********************************************************
// * TimerProc *
// **********************************************************
void CALLBACK TimerProc(void* param, BOOLEAN timerCalled)
{
CTimer* timer = static_cast<CTimer*>(param);
timer->SetCount( timer->GetCount()+1 );
timer->OnTimedEvent();
};
// **********************************************************
// * template class TTimer *
// **********************************************************
template <class T> class TTimer : public CTimer
{
public:
typedef private void (T::*TimedFunction)(void);
TTimer()
{
m_pTimedFunction = NULL;
m_pClass = NULL;
}
void SetTimedEvent(T *pClass, TimedFunction pFunc)
{
m_pClass = pClass;
m_pTimedFunction = pFunc;
}
protected:
void OnTimedEvent()
{
if (m_pTimedFunction && m_pClass)
{
(m_pClass->*m_pTimedFunction)();
}
}
private:
T *m_pClass;
TimedFunction m_pTimedFunction;
}; |
pedal.h
Code:
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
| #pragma once
#include <string>
#include "toolbox.h"
#include "template_timer.h"
#include "const_pedal.h"
#include "tserial_event.h"
#include "enumser.h"
class pedal
{
public:
void enumerate(void);
void activate(void);
bool search_pedal_port(void);
void deactivate(void);
static char* reply_iss_version;
static char* reply_serial_number;
static char* reply_configuration;
static char* reply_io_state;
// state comes with UP or DOWN
static bool pedal_state;
private:
void wait_for_reply(void);
void OnTimedEvent_PedalReply(void);
void OnTimedEvent_PedalRequest(void);
void OnTimedEvent_PedalEnumeration(void);
// the callback function has to be a static one if any class member !
static void SerialEventManager(uint32 object, uint32 event);
static void OnDataArrival(int size, char *buffer);
static void todo_on_pedalchange(void);
void request_iss_version(void);
void request_pedal_state(void);
void request_serial_number(void);
void configure_io_mode(void);
TTimer<pedal> timer_pedal_request;
static TTimer<pedal> timer_pedal_reply;
TTimer<pedal> timer_pedal_enumeration;
static char* serial_number;
static std::string firmware_revision_number;
// status comes with OK or not
static bool pedal_status;
static bool iss_version_received;
static bool io_mode_received;
static bool pedal_state_received;
static bool pedal_state_mem;
static bool first_pedalrequest;
bool pedalreply_timeelapsed;
}; |
La variable timer_pedal_reply est statique car utilisée dans un callback.
Je ne vois pas comment l'initialiser pour que celà passe à l'édition de lien.
Merci pour votre aide
