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1426e15679
Refactor atmega_ prefix to avr8_ prefix and update copyrights. Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (C) 2020 Otto-von-Guericke-Universität Magdeburg
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* 2021 Gerson Fernando Budke
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup cpu_avr8_common
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*
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* @{
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*
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* @file
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* @brief Implementation of fast atomic utility functions
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* @author Marian Buschsieweke <marian.buschsieweke@ovgu.de>
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* @author Gerson Fernando Budke <nandojve@gmail.com>
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*/
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#ifndef ATOMIC_UTILS_ARCH_H
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#define ATOMIC_UTILS_ARCH_H
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#ifndef DOXYGEN
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#include "periph_cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* clang provides no built-in atomic access to regular variables */
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#ifndef __clang__
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#define HAS_ATOMIC_LOAD_U8
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static inline uint8_t atomic_load_u8(const volatile uint8_t *var)
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{
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return __atomic_load_1(var, __ATOMIC_SEQ_CST);
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}
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#define HAS_ATOMIC_STORE_U8
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static inline void atomic_store_u8(volatile uint8_t *dest, uint8_t val)
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{
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__atomic_store_1(dest, val, __ATOMIC_SEQ_CST);
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}
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#endif /* __clang__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* DOXYGEN */
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#endif /* ATOMIC_UTILS_ARCH_H */
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/** @} */
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