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[/] [mb-jpeg/] [tags/] [STEP1_1/] [microblaze_0/] [libsrc/] [common_v1_00_a/] [src/] [xbasic_types.c] - Rev 66
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/* $Id $ */ /****************************************************************************** * * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" * AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND * SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, * OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, * APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION * THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, * AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE * FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY * WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE * IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR * REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF * INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * (c) Copyright 2002-2003 Xilinx Inc. * All rights reserved. * ******************************************************************************/ /*****************************************************************************/ /** * * @file xbasic_types.c * * This file contains basic functions for Xilinx software IP. * * <pre> * MODIFICATION HISTORY: * * Ver Who Date Changes * ----- ---- -------- ------------------------------------------------------- * 1.00a rpm 11/07/03 Added XNullHandler function as a stub interrupt handler * 1.00a xd 11/03/04 Improved support for doxygen. * </pre> * ******************************************************************************/ /***************************** Include Files *********************************/ #include "xbasic_types.h" /************************** Constant Definitions *****************************/ /**************************** Type Definitions *******************************/ /***************** Macros (Inline Functions) Definitions *********************/ /************************** Variable Definitions *****************************/ /** * This variable allows testing to be done easier with asserts. An assert * sets this variable such that a driver can evaluate this variable * to determine if an assert occurred. */ unsigned int XAssertStatus; /** * This variable allows the assert functionality to be changed for testing * such that it does not wait infinitely. Use the debugger to disable the * waiting during testing of asserts. */ Xboolean XWaitInAssert = XTRUE; /* The callback function to be invoked when an assert is taken */ static XAssertCallback XAssertCallbackRoutine = (XAssertCallback)XNULL; /************************** Function Prototypes ******************************/ /*****************************************************************************/ /** * * Implements assert. Currently, it calls a user-defined callback function * if one has been set. Then, it potentially enters an infinite loop depending * on the value of the XWaitInAssert variable. * * @param File is the name of the filename of the source * @param Line is the linenumber within File * * @return None. * * @note None. * ******************************************************************************/ void XAssert(char *File, int Line) { /* if the callback has been set then invoke it */ if (XAssertCallbackRoutine != XNULL) { (*XAssertCallbackRoutine)(File, Line); } /* if specified, wait indefinitely such that the assert will show up * in testing */ while (XWaitInAssert) { } } /*****************************************************************************/ /** * * Sets up a callback function to be invoked when an assert occurs. If there * was already a callback installed, then it is replaced. * * @param Routine is the callback to be invoked when an assert is taken * * @return None. * * @note This function has no effect if NDEBUG is set * ******************************************************************************/ void XAssertSetCallback(XAssertCallback Routine) { XAssertCallbackRoutine = Routine; } /*****************************************************************************/ /** * * Null handler function. This follows the XInterruptHandler signature for * interrupt handlers. It can be used to assign a null handler (a stub) to an * interrupt controller vector table. * * @param NullParameter is an arbitrary void pointer and not used. * * @return None. * * @note None. * ******************************************************************************/ void XNullHandler(void *NullParameter) { }