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7<TITLE>OS_IsTickAvailable</TITLE>
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11<H1 align="left">OS_IsTickAvailable <IMG src="../../image/NTR.gif" align="middle"><IMG src="../../image/TWL.gif" align="middle"></H1>
12<H2>Syntax</H2>
13<DL>
14  <DD>
15  <PRE><CODE>#include &lt;nitro/os.h&gt;</CODE></PRE>
16  <PRE><CODE>BOOL OS_IsTickAvailable( void );
17  </CODE></PRE>
18</DL>
19<H2>Arguments</H2>
20<P>None.</P>
21<H2>Return Values</H2>
22<P>Returns TRUE if the tick has been initialized and is available. TRUE means it can be used.</P>
23<H2>Description</H2>
24<P>This function returns whether ticks have been initialized with <CODE><A href="OS_InitTick.html">OS_InitTick()</A></CODE> and are available for use.</P>
25<P>If the return value is <CODE>FALSE</CODE>, tick values cannot be obtained with <CODE><A href="OS_GetTick.html">OS_GetTick()</A></CODE>.</P>
26<H2>See Also</H2>
27<P><CODE><A href="OS_InitTick.html">OS_InitTick</A>, <A href="OS_GetTick.html">OS_GetTick</A>,  <A href="OS_GetTickLo.html">OS_GetTickLo</A>, <A href="OS_SetTick.html">OS_SetTick</A></CODE></P>
28<H2>Revision History</H2>
29<P>2004/02/25 Changed <code>systemClock</code> to <code>tick</code>.<br /> 2004/02/04 Initial version.</P>
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