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95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/**
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* \file
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*
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* \brief General Purpose Backup Registers (GPBR) driver for SAM.
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*
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* Copyright (c) 2011-2012 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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#include "gpbr.h"
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/// @cond 0
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/**INDENT-OFF**/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**INDENT-ON**/
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/// @endcond
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/**
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* \defgroup sam_drivers_gpbr_group General Purpose Backup Registers (GPBR)
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*
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* Driver for the General Purpose Backup Registers. This driver provides access
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* to the main features of the GPBR controller.
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*
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* @{
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*/
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/**
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* \brief Read the specified backup register.
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*
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* \param ul_reg_num General purpose backup register number.
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*
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* \return Value of the specified backup register.
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*/
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uint32_t gpbr_read(gpbr_num_t ul_reg_num)
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{
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return GPBR->SYS_GPBR[ul_reg_num];
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}
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/**
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* \brief Write a value to the specified backup register.
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*
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* \param ul_reg_num General purpose backup register number.
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* \param ul_value Value to be written.
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*/
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void gpbr_write(gpbr_num_t ul_reg_num, uint32_t ul_value)
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{
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GPBR->SYS_GPBR[ul_reg_num] = ul_value;
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}
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//@}
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/// @cond 0
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/**INDENT-OFF**/
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#ifdef __cplusplus
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}
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#endif
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/**INDENT-ON**/
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/// @endcond
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