beremiz

Fixed confusion about __common_ticktime type, redesigned LPC PLC timer support

2009-12-15, edouard
8e61b0066859
file isExecutable
Fixed confusion about __common_ticktime type, redesigned LPC PLC timer support
/**
* Yagarto specific code
**/
#include <app_glue.h>
/* provided by POUS.C */
extern unsigned long long common_ticktime__;
void LPC_GetTime(IEC_TIME*);
void LPC_SetTimer(unsigned long long next, unsigned long long period);
long AtomicCompareExchange(long* atomicvar,long compared, long exchange)
{
/* No need for real atomic op on LPC,
* no possible preemption between debug and PLC */
long res = *atomicvar;
if(res == compared){
*atomicvar = exchange;
}
return res;
}
void PLC_GetTime(IEC_TIME *CURRENT_TIME)
{
/* Call target GetTime function */
LPC_GetTime(CURRENT_TIME);
}
void PLC_SetTimer(unsigned long long next, unsigned long long period)
{
LPC_SetTimer(next, period);
}
int startPLC(int argc,char **argv)
{
if(__init(argc,argv) == 0){
PLC_SetTimer(0, common_ticktime__);
return 0;
}else{
return 1;
}
}
int TryEnterDebugSection(void)
{
return __DEBUG;
}
void LeaveDebugSection(void)
{
}
int stopPLC(void)
{
__cleanup();
return 0;
}
extern unsigned long __tick;
int _DebugDataAvailable = 0;
/* from plc_debugger.c */
int WaitDebugData(unsigned long *tick)
{
*tick = __tick;
return _DebugDataAvailable;
}
/* Called by PLC thread when debug_publish finished
* This is supposed to unlock debugger thread in WaitDebugData*/
void InitiateDebugTransfer(void)
{
_DebugDataAvailable = 1;
}
void suspendDebug(int disable)
{
__DEBUG = !disable;
}
void resumeDebug(void)
{
__DEBUG = 1;
}
void Retain(unsigned int offset, unsigned int count, void *p)
{
}
void Remind(unsigned int offset, unsigned int count, void *p)
{
}