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1 5 quickwayne 
/* $Id $ */
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/******************************************************************************
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*
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*       XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"
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*       AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND
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*       SOLUTIONS FOR XILINX DEVICES.  BY PROVIDING THIS DESIGN, CODE,
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*       OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,
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*       APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION
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*       THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,
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*       AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE
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*       FOR YOUR IMPLEMENTATION.  XILINX EXPRESSLY DISCLAIMS ANY
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*       WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE
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*       IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR
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*       REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF
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*       INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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*       FOR A PARTICULAR PURPOSE.
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*
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*       (c) Copyright 2002-2003 Xilinx Inc.
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*       All rights reserved.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xbasic_types.c
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*
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* This file contains basic functions for Xilinx software IP.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver   Who    Date   Changes
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* ----- ---- -------- -------------------------------------------------------
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* 1.00a rpm  11/07/03 Added XNullHandler function as a stub interrupt handler
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* 1.00a xd   11/03/04 Improved support for doxygen.
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xbasic_types.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Variable Definitions *****************************/
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/**
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 * This variable allows testing to be done easier with asserts. An assert
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 * sets this variable such that a driver can evaluate this variable
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 * to determine if an assert occurred.
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 */
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unsigned int XAssertStatus;
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/**
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 * This variable allows the assert functionality to be changed for testing
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 * such that it does not wait infinitely. Use the debugger to disable the
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 * waiting during testing of asserts.
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 */
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Xboolean XWaitInAssert = XTRUE;
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/* The callback function to be invoked when an assert is taken */
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static XAssertCallback XAssertCallbackRoutine = (XAssertCallback)XNULL;
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/************************** Function Prototypes ******************************/
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/*****************************************************************************/
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/**
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*
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* Implements assert. Currently, it calls a user-defined callback function
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* if one has been set.  Then, it potentially enters an infinite loop depending
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* on the value of the XWaitInAssert variable.
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*
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* @param    File is the name of the filename of the source
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* @param    Line is the linenumber within File
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*
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* @return   None.
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*
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* @note     None.
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*
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******************************************************************************/
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void XAssert(char *File, int Line)
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{
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    /* if the callback has been set then invoke it */
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    if (XAssertCallbackRoutine != XNULL)
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    {
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        (*XAssertCallbackRoutine)(File, Line);
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    }
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    /* if specified, wait indefinitely such that the assert will show up
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     * in testing
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     */
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    while (XWaitInAssert)
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    {
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    }
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}
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/*****************************************************************************/
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/**
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*
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* Sets up a callback function to be invoked when an assert occurs. If there
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* was already a callback installed, then it is replaced.
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*
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* @param    Routine is the callback to be invoked when an assert is taken
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*
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* @return   None.
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*
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* @note     This function has no effect if NDEBUG is set
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*
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******************************************************************************/
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void XAssertSetCallback(XAssertCallback Routine)
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{
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    XAssertCallbackRoutine = Routine;
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}
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/*****************************************************************************/
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/**
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*
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* Null handler function. This follows the XInterruptHandler signature for
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* interrupt handlers. It can be used to assign a null handler (a stub) to an
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* interrupt controller vector table.
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*
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* @param    NullParameter is an arbitrary void pointer and not used.
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*
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* @return   None.
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*
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* @note     None.
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*
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******************************************************************************/
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void XNullHandler(void *NullParameter)
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{
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}
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