forked from Imagelibrary/rtems
6878519aea
This patch fixes the cache handling for the atsam SPI driver. Note that this solution might doesn't have the best performance for small packets.
38 lines
893 B
C
38 lines
893 B
C
/*
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* Copyright (c) 2018 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef ATSAM_IOCOPY_H
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#define ATSAM_IOCOPY_H
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#include <rtems.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* Note: This functions are for copying from or to memory that is marked as
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* Peripheral memory. In this regions a misaligned access is not allowed.
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* Therefore memcopy would not work in all cases.
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*/
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void atsam_copy_to_io(void *dst, const void *src, size_t n);
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void atsam_copy_from_io(void *dst, const void *src, size_t n);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* ATSAM_IOCOPY_H */
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