static SYS_TMR_HANDLE _SYS_TMR_ClientCreate ( uint32_t periodMs, uintptr_t context, SYS_TMR_CALLBACK callback, SYS_TMR_FLAGS flags )
{
SYS_TMR_CLIENT_OBJECT *timerObj;
SYS_TMR_CLIENT_OBJECT *newObj;
int index;
if(!_SYS_TMR_ReadyCheck())
{
return SYS_TMR_HANDLE_INVALID;
}
// lock user access
_UserGblLock();
newObj = (SYS_TMR_CLIENT_OBJECT*)SYS_TMR_HANDLE_INVALID;
timerObj = sClientObjects + 0;
for ( index = 0; index < sizeof(sClientObjects)/sizeof(*sClientObjects); index++, timerObj++ )
{
if ( timerObj->currState == SYS_TMR_CLIENT_FREE )
{ // found free object
memset(timerObj, 0x0, sizeof(*timerObj));
if(_SYS_TMR_ClientParamSet(timerObj, periodMs, context, callback))
{
if((flags & SYS_TMR_FLAG_PERIODIC) != 0)
{
timerObj->flags.periodic = true;
}
else if((flags & SYS_TMR_FLAG_AUTO_DELETE) != 0)
{
timerObj->flags.auto_del = true;
}
// enable the object, seen by the ISR thread
timerObj->currState = SYS_TMR_CLIENT_ACTIVE;
timerObj->isrState = SYS_TMR_CLIENT_ISR_ACTIVE;
timerObj->isrEnable = 1;
newObj = timerObj;
}
// else wrong parameters
break;
}
}
_UserGblUnlock();
return (SYS_TMR_HANDLE)newObj;
}
bool SYS_TMR_ObjectReload ( SYS_TMR_HANDLE handle, uint32_t periodMs, uintptr_t context, SYS_TMR_CALLBACK callback)
{
SYS_TMR_CLIENT_OBJECT * timerObj = _SYS_TMR_ClientCheckSrvLock(handle);
if(timerObj)
{
timerObj->isrEnable = 0;
bool res = _SYS_TMR_ClientParamSet(timerObj, periodMs, context, callback);
if(timerObj->isrState == SYS_TMR_CLIENT_ISR_MARK_DEL)
{ // client is too late
_SYS_TMR_ClientDelete(timerObj);
res = false;
}
timerObj->isrState = SYS_TMR_CLIENT_ISR_ACTIVE;
timerObj->isrEnable = 1;
_SYS_TMR_ClientSrvUnlock();
return res;
}
return false;
}