author | Edouard Tisserant |
Thu, 22 Sep 2011 16:59:59 +0200 | |
changeset 612 | f44651506a88 |
parent 580 | 9dd978e6537c |
child 614 | eed1dcf311a1 |
permissions | -rw-r--r-- |
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/** |
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* Win32 specific code |
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**/ |
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#include <stdio.h> |
6 |
#include <sys/timeb.h> |
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#include <time.h> |
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#include <windows.h> |
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568 | 9 |
#include <locale.h> |
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/* provided by POUS.C */ |
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extern unsigned long long common_ticktime__; |
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244 | 14 |
long AtomicCompareExchange(long* atomicvar, long compared, long exchange) |
205 | 15 |
{ |
16 |
return InterlockedCompareExchange(atomicvar, exchange, compared); |
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17 |
} |
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18 |
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19 |
struct _timeb timetmp; |
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20 |
void PLC_GetTime(IEC_TIME *CURRENT_TIME) |
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21 |
{ |
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22 |
_ftime(&timetmp); |
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329 | 23 |
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205 | 24 |
(*CURRENT_TIME).tv_sec = timetmp.time; |
25 |
(*CURRENT_TIME).tv_nsec = timetmp.millitm * 1000000; |
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26 |
} |
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27 |
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28 |
void PLC_timer_notify() |
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29 |
{ |
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30 |
PLC_GetTime(&__CURRENT_TIME); |
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__run(); |
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32 |
} |
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HANDLE PLC_timer = NULL; |
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void PLC_SetTimer(unsigned long long next, unsigned long long period) |
205 | 36 |
{ |
229 | 37 |
LARGE_INTEGER liDueTime; |
205 | 38 |
/* arg 2 of SetWaitableTimer take 100 ns interval*/ |
39 |
liDueTime.QuadPart = next / (-100); |
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if (!SetWaitableTimer(PLC_timer, &liDueTime, period/1000000, NULL, NULL, 0)) |
205 | 42 |
{ |
43 |
printf("SetWaitableTimer failed (%d)\n", GetLastError()); |
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44 |
} |
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229 | 45 |
} |
46 |
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47 |
/* Variable used to stop plcloop thread */ |
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48 |
void PlcLoop() |
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{ |
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while(WaitForSingleObject(PLC_timer, INFINITE) == WAIT_OBJECT_0) |
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{ |
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PLC_timer_notify(); |
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} |
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} |
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229 | 56 |
HANDLE PLC_thread; |
244 | 57 |
HANDLE debug_sem; |
329 | 58 |
HANDLE debug_wait_sem; |
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HANDLE python_sem; |
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HANDLE python_wait_sem; |
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#define maxval(a,b) ((a>b)?a:b) |
229 | 63 |
int startPLC(int argc,char **argv) |
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{ |
229 | 65 |
unsigned long thread_id = 0; |
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setlocale(LC_NUMERIC, "C"); |
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/* Define Ttick to 1ms if common_ticktime not defined */ |
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Ttick = common_ticktime__?common_ticktime__:1000000; |
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debug_sem = CreateSemaphore( |
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NULL, // default security attributes |
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1, // initial count |
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1, // maximum count |
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NULL); // unnamed semaphore |
329 | 75 |
if (debug_sem == NULL) |
244 | 76 |
{ |
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printf("startPLC CreateSemaphore debug_sem error: %d\n", GetLastError()); |
244 | 78 |
return; |
79 |
} |
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329 | 80 |
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debug_wait_sem = CreateSemaphore( |
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NULL, // default security attributes |
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0, // initial count |
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1, // maximum count |
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NULL); // unnamed semaphore |
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329 | 87 |
if (debug_wait_sem == NULL) |
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{ |
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printf("startPLC CreateSemaphore debug_wait_sem error: %d\n", GetLastError()); |
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return; |
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} |
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python_sem = CreateSemaphore( |
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NULL, // default security attributes |
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1, // initial count |
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1, // maximum count |
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NULL); // unnamed semaphore |
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329 | 99 |
if (python_sem == NULL) |
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{ |
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printf("startPLC CreateSemaphore python_sem error: %d\n", GetLastError()); |
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return; |
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} |
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python_wait_sem = CreateSemaphore( |
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NULL, // default security attributes |
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0, // initial count |
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1, // maximum count |
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NULL); // unnamed semaphore |
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|
329 | 111 |
if (python_wait_sem == NULL) |
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{ |
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printf("startPLC CreateSemaphore python_wait_sem error: %d\n", GetLastError()); |
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return; |
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} |
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116 |
|
329 | 117 |
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/* Create a waitable timer */ |
205 | 119 |
PLC_timer = CreateWaitableTimer(NULL, FALSE, "WaitableTimer"); |
120 |
if(NULL == PLC_timer) |
|
121 |
{ |
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122 |
printf("CreateWaitableTimer failed (%d)\n", GetLastError()); |
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return 1; |
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} |
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if( __init(argc,argv) == 0 ) |
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{ |
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PLC_SetTimer(Ttick,Ttick); |
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PLC_thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)PlcLoop, NULL, 0, &thread_id); |
205 | 129 |
} |
229 | 130 |
else{ |
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return 1; |
229 | 132 |
} |
205 | 133 |
return 0; |
134 |
} |
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static unsigned long __debug_tick; |
244 | 136 |
|
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int TryEnterDebugSection(void) |
|
138 |
{ |
|
139 |
//printf("TryEnterDebugSection\n"); |
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469 | 140 |
if(WaitForSingleObject(debug_sem, 0) == WAIT_OBJECT_0){ |
141 |
/* Only enter if debug active */ |
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142 |
if(__DEBUG){ |
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143 |
return 1; |
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144 |
} |
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ReleaseSemaphore(debug_sem, 1, NULL); |
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146 |
} |
469 | 147 |
return 0; |
244 | 148 |
} |
149 |
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150 |
void LeaveDebugSection(void) |
|
151 |
{ |
|
152 |
ReleaseSemaphore(debug_sem, 1, NULL); |
|
153 |
//printf("LeaveDebugSection\n"); |
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154 |
} |
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229 | 155 |
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156 |
int stopPLC() |
|
157 |
{ |
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CloseHandle(PLC_timer); |
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WaitForSingleObject(PLC_thread, INFINITE); |
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160 |
__cleanup(); |
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CloseHandle(debug_wait_sem); |
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CloseHandle(debug_sem); |
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163 |
CloseHandle(python_wait_sem); |
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CloseHandle(python_sem); |
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CloseHandle(PLC_thread); |
229 | 166 |
} |
167 |
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168 |
/* from plc_debugger.c */ |
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int WaitDebugData(unsigned long *tick) |
229 | 170 |
{ |
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*tick = __debug_tick; |
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/* Wait signal from PLC thread */ |
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return WaitForSingleObject(debug_wait_sem, INFINITE) != WAIT_OBJECT_0; |
229 | 174 |
} |
329 | 175 |
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/* Called by PLC thread when debug_publish finished |
229 | 177 |
* This is supposed to unlock debugger thread in WaitDebugData*/ |
178 |
void InitiateDebugTransfer() |
|
179 |
{ |
|
244 | 180 |
/* remember tick */ |
181 |
__debug_tick = __tick; |
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/* signal debugger thread it can read data */ |
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183 |
ReleaseSemaphore(debug_wait_sem, 1, NULL); |
229 | 184 |
} |
244 | 185 |
|
469 | 186 |
void suspendDebug(int disable) |
187 |
{ |
|
244 | 188 |
/* Prevent PLC to enter debug code */ |
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189 |
WaitForSingleObject(debug_sem, INFINITE); |
469 | 190 |
/*__DEBUG is protected by this mutex */ |
191 |
__DEBUG = !disable; |
|
484 | 192 |
if(disable) |
193 |
ReleaseSemaphore(debug_sem, 1, NULL); |
|
244 | 194 |
} |
195 |
||
196 |
void resumeDebug() |
|
197 |
{ |
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__DEBUG = 1; |
244 | 199 |
/* Let PLC enter debug code */ |
200 |
ReleaseSemaphore(debug_sem, 1, NULL); |
|
201 |
} |
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/* from plc_python.c */ |
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int WaitPythonCommands(void) |
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{ |
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206 |
/* Wait signal from PLC thread */ |
329 | 207 |
return WaitForSingleObject(python_wait_sem, INFINITE); |
208 |
} |
|
209 |
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/* Called by PLC thread on each new python command*/ |
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void UnBlockPythonCommands(void) |
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{ |
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/* signal debugger thread it can read data */ |
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ReleaseSemaphore(python_wait_sem, 1, NULL); |
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} |
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|
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int TryLockPython(void) |
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{ |
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return WaitForSingleObject(python_sem, 0) == WAIT_OBJECT_0; |
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} |
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|
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void UnLockPython(void) |
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{ |
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ReleaseSemaphore(python_sem, 1, NULL); |
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} |
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|
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void LockPython(void) |
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{ |
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WaitForSingleObject(python_sem, INFINITE); |
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} |
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LPC transfer tested, added PLCInfo along MD5 checksum while invoking makefile
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int CheckRetainBuffer(void) |
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{ |
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return 1; |
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} |
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void ValidateRetainBuffer(void) |
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} |
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void InValidateRetainBuffer(void) |
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} |
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void Retain(unsigned int offset, unsigned int count, void * p) |
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{ |
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unsigned int position; |
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for(position=0; position<count; position++ ){ |
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printf("%d : 0x%2.2x\n", offset+position, ((char*)p)[position]); |
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} |
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} |
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|
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void Remind(unsigned int offset, unsigned int count, void *p) |
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{ |
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} |
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256 |