RTC auf true
platform/mbed_preprocessor.h
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/** \addtogroup platform */ /** @{*/ /** * \defgroup platform_preprocessor preprocessor macros * @{ */ /* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef MBED_PREPROCESSOR_H #define MBED_PREPROCESSOR_H /** MBED_CONCAT * Concatenate tokens together * * @note * Expands tokens before concatenation * * @code * // Creates a unique label based on the line number * int MBED_CONCAT(UNIQUE_LABEL_, __LINE__) = 1; * @endcode */ #define MBED_CONCAT(a, b) MBED_CONCAT_(a, b) #define MBED_CONCAT_(a, b) a##b /** MBED_STRINGIFY * Converts tokens into strings * * @note * Expands tokens before stringification * * @code * // Creates a string based on the parameters * const char *c = MBED_STRINGIFY(This is a ridiculous way to create a string) * @endcode */ #define MBED_STRINGIFY(a) MBED_STRINGIFY_(a) #define MBED_STRINGIFY_(a) #a /** MBED_STRLEN * Reports string token length * * @note * Expands tokens before calculating length * * @code * // Get string length * const int len = MBED_STRLEN("Get the length") * @endcode */ #define MBED_STRLEN(a) MBED_STRLEN_(a) #define MBED_STRLEN_(a) (sizeof(a) - 1) /** MBED_COUNT_VA_ARGS(...) * Reports number of tokens passed * * @note * Token limit is 16 * * @code * // Get number of arguments * const int count = MBED_COUNT_VA_ARGS("Address 0x%x, Data[0] = %d Data[1] = %d", 0x20001234, 10, 20) * @endcode */ #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) #define GET_NTH_ARG_(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, N, ...) N #endif /** @}*/ /** @}*/