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tn_common_macros.h
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1 /*******************************************************************************
2  *
3  * TNeo: real-time kernel initially based on TNKernel
4  *
5  * TNKernel: copyright © 2004, 2013 Yuri Tiomkin.
6  * PIC32-specific routines: copyright © 2013, 2014 Anders Montonen.
7  * TNeo: copyright © 2014 Dmitry Frank.
8  *
9  * TNeo was born as a thorough review and re-implementation of
10  * TNKernel. The new kernel has well-formed code, inherited bugs are fixed
11  * as well as new features being added, and it is tested carefully with
12  * unit-tests.
13  *
14  * API is changed somewhat, so it's not 100% compatible with TNKernel,
15  * hence the new name: TNeo.
16  *
17  * Permission to use, copy, modify, and distribute this software in source
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35  ******************************************************************************/
36 
37 /**
38  * \file
39  *
40  * Macros that may be useful for any part of the kernel.
41  * Note: only preprocessor macros allowed here, so that the file can be
42  * included in any source file (C, assembler, or whatever)
43  */
44 
45 #ifndef _TN_COMMON_MACROS_H
46 #define _TN_COMMON_MACROS_H
47 
48 
49 /*******************************************************************************
50  * DEFINITIONS
51  ******************************************************************************/
52 
53 
54 /**
55  * Macro that expands to string representation of its argument:
56  * for example,
57  *
58  * \code{.c}
59  * _TN_STRINGIZE_LITERAL(5)
60  * \endcode
61  *
62  * expands to:
63  *
64  * \code{.c}
65  * "5"
66  * \endcode
67  *
68  * See also _TN_STRINGIZE_MACRO()
69  */
70 #define _TN_STRINGIZE_LITERAL(x) #x
71 
72 /**
73  * Macro that expands to string representation of its argument, which is
74  * allowed to be a macro:
75  * for example,
76  *
77  * \code{.c}
78  * #define MY_VALUE 10
79  * _TN_STRINGIZE_MACRO(MY_VALUE)
80  * \endcode
81  *
82  * expands to:
83  *
84  * \code{.c}
85  * "10"
86  * \endcode
87  */
88 #define _TN_STRINGIZE_MACRO(x) _TN_STRINGIZE_LITERAL(x)
89 
90 
91 
92 
93 #endif // _TN_COMMON_MACROS_H
94 
95 /*******************************************************************************
96  * end of file
97  ******************************************************************************/
98 
99 
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