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RIOT/core/lib/include/macros/units.h
Kaspar Schleiser 3db7c1150a core: split out library code
This commit splits core into it's scheduler/IPC part and into other code
that is either used or uses the scheduler, through defined APIs.
2022-03-09 21:43:05 +01:00

62 lines
1.1 KiB
C

/*
* Copyright (C) 2020 ML!PA Consulting GmbH
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup core_macros
* @{
*
* @file
* @brief Unit helper macros
*
* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
*/
#ifndef MACROS_UNITS_H
#define MACROS_UNITS_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief A macro to return the bytes in x KiB
*/
#define KiB(x) ((unsigned long)(x) << 10)
/**
* @brief A macro to return the bytes in x MiB
*/
#define MiB(x) (KiB(x) << 10)
/**
* @brief A macro to return the bytes in x GiB
*/
#define GiB(x) ((unsigned long long)MiB(x) << 10)
/**
* @brief A macro to return the Hz in x kHz
*/
#define KHZ(x) ((x) * 1000UL)
/**
* @brief A macro to return the Hz in x MHz
*/
#define MHZ(x) (KHZ(x) * 1000UL)
/**
* @brief A macro to return the Hz in x GHz
*/
#define GHZ(x) (MHZ(x) * 1000ULL)
#ifdef __cplusplus
}
#endif
#endif /* MACROS_UNITS_H */
/** @} */