Timer Functions (Compact 2013)

10/16/2014

The following table shows the Timer functions.

Programming Element	Description
OALCPUIdle	This function puts the CPU or SOC into an idle state.
OALGetTickCount	This function returns the number of 1-millisecond ticks that have elapsed since the last system boot or reset.
OALStall	This function stalls the CPU for a specified number of microseconds.
OALTimerCountsSinceSysTick	This function returns the time that has expired since the current system tick.
OALTimerGetCompare	This function returns the timer compare value.
OALTimerGetCount	This function returns the actual timer value.
OALTimerInitCount	This function initializes the system timer with a specified base period.
OALTimerInit	This function initializes the system timer.
OALTimerIntrHandler	This function implements the timer interrupt handler.
OALTimerQueryPerformanceCounter	This function returns the current performance counter.
OALTimerQueryPerformanceFrequency	This function returns the current performance frequency.
OALTimerRecharge	This function is usually called from the timer interrupt handler to recharge the timer for subsequent system ticks.
OALTimerSetCompare	This function sets the timer compare value.
OALTimerUpdate	This function modifies the actual system tick period.
OALTimerUpdateRescheduleTime	This function reprograms the system timer.

See Also