void TimerStart( TimerEvent_t *obj )
{
uint32_t elapsedTime = 0;
uint32_t remainingTime = 0;
__disable_irq( );
if( ( obj == NULL ) || ( TimerExists( obj ) == true ) )
{
__enable_irq( );
return;
}
obj->Timestamp = obj->ReloadValue;
obj->IsRunning = false;
if( TimerListHead == NULL )
{
TimerInsertNewHeadTimer( obj, obj->Timestamp );
}
else
{
if( TimerListHead->IsRunning == true )
{
elapsedTime = TimerGetValue( );
if( elapsedTime > TimerListHead->Timestamp )
{
elapsedTime = TimerListHead->Timestamp; // security but should never occur
}
remainingTime = TimerListHead->Timestamp - elapsedTime;
}
else
{
remainingTime = TimerListHead->Timestamp;
}
if( obj->Timestamp < remainingTime )
{
TimerInsertNewHeadTimer( obj, remainingTime );
}
else
{
TimerInsertTimer( obj, remainingTime );
}
}
__enable_irq( );
}
void TimerStart( TimerEvent_t *obj )
{
uint32_t elapsedTime = 0;
BACKUP_PRIMASK();
DISABLE_IRQ( );
if( ( obj == NULL ) || ( TimerExists( obj ) == true ) )
{
RESTORE_PRIMASK( );
return;
}
obj->Timestamp = obj->ReloadValue;
obj->IsRunning = false;
if( TimerListHead == NULL )
{
HW_RTC_SetTimerContext( );
TimerInsertNewHeadTimer( obj ); // insert a timeout at now+obj->Timestamp
}
else
{
elapsedTime = HW_RTC_GetTimerElapsedTime( );
obj->Timestamp += elapsedTime;
if( obj->Timestamp < TimerListHead->Timestamp )
{
TimerInsertNewHeadTimer( obj);
}
else
{
TimerInsertTimer( obj);
}
}
RESTORE_PRIMASK( );
}