source: asp3_tinet_ecnl_arm/trunk/asp3_dcre/mbed/platform/mbed_preprocessor.h@ 374

Last change on this file since 374 was 374, checked in by coas-nagasima, 5 years ago

mbed関連を更新
シリアルドライバをmbedのHALを使うよう変更
ファイルディスクリプタの処理を更新
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-chdr;charset=UTF-8
File size: 2.2 KB
Line 
1/** \addtogroup platform */
2/** @{*/
3/**
4 * \defgroup platform_preprocessor preprocessor macros
5 * @{
6 */
7
8/* mbed Microcontroller Library
9 * Copyright (c) 2006-2013 ARM Limited
10 *
11 * Licensed under the Apache License, Version 2.0 (the "License");
12 * you may not use this file except in compliance with the License.
13 * You may obtain a copy of the License at
14 *
15 * http://www.apache.org/licenses/LICENSE-2.0
16 *
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
22 */
23#ifndef MBED_PREPROCESSOR_H
24#define MBED_PREPROCESSOR_H
25
26
27/** MBED_CONCAT
28 * Concatenate tokens together
29 *
30 * @note
31 * Expands tokens before concatenation
32 *
33 * @code
34 * // Creates a unique label based on the line number
35 * int MBED_CONCAT(UNIQUE_LABEL_, __LINE__) = 1;
36 * @endcode
37 */
38#define MBED_CONCAT(a, b) MBED_CONCAT_(a, b)
39#define MBED_CONCAT_(a, b) a##b
40
41/** MBED_STRINGIFY
42 * Converts tokens into strings
43 *
44 * @note
45 * Expands tokens before stringification
46 *
47 * @code
48 * // Creates a string based on the parameters
49 * const char *c = MBED_STRINGIFY(This is a ridiculous way to create a string)
50 * @endcode
51 */
52#define MBED_STRINGIFY(a) MBED_STRINGIFY_(a)
53#define MBED_STRINGIFY_(a) #a
54
55/** MBED_STRLEN
56 * Reports string token length
57 *
58 * @note
59 * Expands tokens before calculating length
60 *
61 * @code
62 * // Get string length
63 * const int len = MBED_STRLEN("Get the length")
64 * @endcode
65 */
66#define MBED_STRLEN(a) MBED_STRLEN_(a)
67#define MBED_STRLEN_(a) (sizeof(a) - 1)
68
69/** MBED_COUNT_VA_ARGS(...)
70 * Reports number of tokens passed
71 *
72 * @note
73 * Token limit is 16
74 *
75 * @code
76 * // Get number of arguments
77 * const int count = MBED_COUNT_VA_ARGS("Address 0x%x, Data[0] = %d Data[1] = %d", 0x20001234, 10, 20)
78 * @endcode
79 */
80#define MBED_COUNT_VA_ARGS(...) GET_NTH_ARG_(__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
81#define GET_NTH_ARG_(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, N, ...) N
82
83#endif
84
85/** @}*/
86/** @}*/
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