/** * \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 Atmel Support */ #ifndef GENERIC_HUGEMEM_H_INCLUDED #define GENERIC_HUGEMEM_H_INCLUDED #include #include /** * \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 */