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mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-12-13 08:33:49 +01:00
Marian Buschsieweke bd43254702
core: use SPDX copyright tags
Co-authored-by: crasbe <crasbe@gmail.com>
2025-11-23 21:07:35 +01:00

57 lines
915 B
C

/*
* SPDX-FileCopyrightText: 2020 ML!PA Consulting GmbH
* SPDX-License-Identifier: LGPL-2.1-only
*/
#pragma once
/**
* @ingroup core_macros
* @{
*
* @file
* @brief Unit helper macros
*
* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
*/
#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
/** @} */