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/**
* \file
*
* \brief Generic implementation of huge data memory access
*
* Copyright (c) 2010-2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef GENERIC_HUGEMEM_H_INCLUDED
#define GENERIC_HUGEMEM_H_INCLUDED
#include <stdint.h>
#include <string.h>
/**
* \weakgroup hugemem_group
* @{
*/
/**
* \internal
* \defgroup hugemem_generic_group Generic hugemem implementation.
*
* These functions are needed for code compatibility between 8- and 32-bit AVR,
* as well as a different application configurations on 8-bit AVR, i.e., if huge
* data memory is optional.
*/
typedef void * hugemem_ptr_t;
#define HUGEMEM_NULL NULL
static inline uint8_t hugemem_read8(const hugemem_ptr_t from)
{
return *(uint8_t *)from;
}
static inline uint16_t hugemem_read16(const hugemem_ptr_t from)
{
return *(uint16_t *)from;
}
static inline uint32_t hugemem_read32(const hugemem_ptr_t from)
{
return *(uint32_t *)from;
}
static inline void hugemem_read_block(void *to, const hugemem_ptr_t from,
size_t size)
{
memcpy(to, from, size);
}
static inline void hugemem_write8(hugemem_ptr_t to, uint8_t val)
{
*(uint8_t *)to = val;
}
static inline void hugemem_write16(hugemem_ptr_t to, uint16_t val)
{
*(uint16_t *)to = val;
}
static inline void hugemem_write32(hugemem_ptr_t to, uint32_t val)
{
*(uint32_t *)to = val;
}
static inline void hugemem_write_block(hugemem_ptr_t to, const void *from,
size_t size)
{
memcpy(to, from, size);
}
//@}
#endif /* GENERIC_HUGEMEM_H */
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