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/*
* nvram.h
*
* Copyright (C) 2012 Tim Marston <tim@ed.am> and Dan Marston.
*
* This file is part of propeller-clock (hereafter referred to as "this
* program"). See http://ed.am/dev/software/arduino/propeller-clock for more
* information.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NVRAM_H_
#define _NVRAM_H_
#include <EEPROM.h>
namespace Nvram
{
enum {
NVRAM_FONT = 0, // 1 byte
};
/**
* load something
*
* @param offset address to load from, use NVRAM_* enum
* @param data where to load to
*/
template< class T >
void load( int offset, T &data )
{
unsigned char *p = reinterpret_cast< unsigned char * >( &data );
for( unsigned int a = 0; a < sizeof( T ); a++ )
*( p++ ) = EEPROM.read( offset++ );
}
/**
* Save something.
*
* @param offset address to save to, use NVRAM_* enum
* @param data to save
*/
template< class T >
void save( int offset, T &data )
{
unsigned char *p = reinterpret_cast< unsigned char * >( &data );
for( unsigned int a = 0; a < sizeof( T ); a++ )
EEPROM.write( offset++, *( p++ ) );
}
}
#endif //_NVRAM_H_
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