bzr branch
http://bzr.ed.am/elec/propeller-clock
76
by edam
switch button to no interim presses during settings mode; added NVRAM support |
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/* |
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* nvram.h |
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* |
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* Copyright (C) 2012 Tim Marston <tim@ed.am> and Dan Marston. |
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* |
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* This file is part of propeller-clock (hereafter referred to as "this |
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* program"). See http://ed.am/dev/software/arduino/propeller-clock for more |
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* information. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef _NVRAM_H_ |
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#define _NVRAM_H_ |
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#include <EEPROM.h> |
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namespace Nvram |
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{ |
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enum { |
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NVRAM_FONT = 0, // 1 byte |
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}; |
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/** |
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* load something |
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* |
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* @param offset address to load from, use NVRAM_* enum |
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* @param data where to load to |
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*/ |
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template< class T > |
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void load( int offset, T &data ) |
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{ |
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unsigned char *p = reinterpret_cast< unsigned char * >( &data ); |
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for( unsigned int a = 0; a < sizeof( T ); a++ ) |
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*( p++ ) = EEPROM.read( offset++ ); |
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} |
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/** |
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* Save something. |
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* |
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* @param offset address to save to, use NVRAM_* enum |
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* @param data to save |
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*/ |
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template< class T > |
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void save( int offset, T &data ) |
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{ |
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unsigned char *p = reinterpret_cast< unsigned char * >( &data ); |
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for( unsigned int a = 0; a < sizeof( T ); a++ ) |
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EEPROM.write( offset++, *( p++ ) ); |
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} |
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} |
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#endif //_NVRAM_H_ |