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90 lines
3.7 KiB
C
90 lines
3.7 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/*
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Title: Assert
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About: Purpose
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Definition of the ASSERT() macro, which is used for runtime condition
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verifying.
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About: Usage
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1 - Use <ASSERT> in your code to check the value of function parameters,
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return values, etc. *Warning:* the ASSERT condition must not have
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any side-effect; otherwise, the program may not work properly
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anymore when assertions are disabled.
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2 - Use SANITY_CHECK to perform checks with a default error message
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(outputs the file and line number where the error occured). This
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reduces memory overhead caused by assertion error strings.
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3 - Initialize the <DBGU> to see failed assertions at run-time.
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4 - Disable assertions by defining the NOASSERT symbol at compilation
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time.
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*/
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#ifndef ASSERT_H
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#define ASSERT_H
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <stdio.h>
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//------------------------------------------------------------------------------
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// Definitions
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//------------------------------------------------------------------------------
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/*
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Macro: ASSERT
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Check that the given condition is true, otherwise displays an error
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message and stops the program execution.
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Parameters:
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condition - Condition to verify.
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string - Formatted string to output if the condition fails.
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... - Additional arguments depending on the formatted string.
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*/
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#if !defined(NOASSERT) && !defined(NOTRACE)
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//char sanityError[] = "Sanity check failed at %s:%d\n\r";
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#define ASSERT(condition, ...) { \
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if (!(condition)) { \
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printf(__VA_ARGS__); \
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while (1); \
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} \
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}
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#define SANITY_ERROR "Sanity check failed at %s:%d\n\r"
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#define SANITY_CHECK(condition) ASSERT(condition, SANITY_ERROR, __FILE__, __LINE__)
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#else
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#define ASSERT(...)
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#define SANITY_CHECK(...)
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#endif
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#endif //#ifndef ASSERT_H
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