# OS_IsTickAvailable

## C Specification

      #include <nitro/os.h>

      BOOL OS_IsTickAvailable( void );

## Arguments

None.

## Return Values

Returns TRUE if the tick has been initialized and is available. TRUE means it can be used.

## Description

This function returns whether tick has been initialized with `OS_InitTick()` and is available. If the return value is `FALSE`, the tick value cannot be obtained with `OS_GetTick()`.

## See Also

`OS_InitTick, OS_GetTick, OS_GetTickLo, OS_SetTick`

## Revision History

02/25/2004 Changed `systemClock` to `tick`
02/04/2004 Initial Version