# OS_IsTickAvailable

## Syntax

      #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 ticks have been initialized with `OS_InitTick()` and are available for use.

If the return value is `FALSE`, tick values cannot be obtained with `OS_GetTick()`.

## See Also

`OS_InitTick, OS_GetTick, OS_GetTickLo, OS_SetTick`

## Revision History

2004/02/25 Changed `systemClock` to `tick`.
2004/02/04 Initial version.

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