63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/**********************************************************************
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Copyright (C) 2018 MisfitTech LLC, All rights reserved.
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MisfitTech uses a dual license model that allows the software to be used under
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a standard GPL open source license, or a commercial license. The standard GPL
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license requires that all software statically linked with MisfitTec Code is
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also distributed under the same GPL V2 license terms. Details of both license
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options follow:
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- Open source licensing -
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MisfitTech is a free download and may be used, modified, evaluated and
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distributed without charge provided the user adheres to version two of the GNU
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General Public License (GPL) and does not remove the copyright notice or this
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text. The GPL V2 text is available on the gnu.org web site
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- Commercial licensing -
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Businesses and individuals that for commercial or other reasons cannot comply
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with the terms of the GPL V2 license must obtain a low cost commercial license
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before incorporating MisfitTech code into proprietary software for distribution in
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any form. Commercial licenses can be purchased from www.misfittech.net
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and do not require any source files to be changed.
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This code is distributed in the hope that it will be useful. You cannot
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use MisfitTech's code unless you agree that you use the software 'as is'.
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MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
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warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
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implied, expressed, or statutory.
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Written by Trampas Stern for MisfitTech.
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Misfit Tech invests time and resources providing this open source code,
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please support MisfitTech and open-source hardware by purchasing
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products from MisfitTech, www.misifittech.net!
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*********************************************************************/
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#ifndef EEPROM_H_
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#define EEPROM_H_
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#include "Flash.h"
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#include "calibration.h"
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#include "board.h"
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/*
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* This EEPROM implementation provides 60bytes of "eeprom space" (we reserve 4 bytes for overhead)
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* The EEPROM uses two rows of flash (256 bytes per row), which
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* for the SAMD21G18A this allows a minimual 200k writes, but typically 1200k
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*/
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typedef enum {
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EEPROM_OK =0,
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EEPROM_FAILED=1,
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EEPROM_CORRUPT=2,
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} eepromError_t;
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eepromError_t eepromInit(void);
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int eepromWriteCache(uint8_t *ptrData, uint32_t size); //returns number bytes written to cache
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eepromError_t eepromFlush(void); //flush the cache to flash memory
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int eepromRead(uint8_t *ptrData, uint32_t size); //returns number of bytes actually read, whcih could be less than size requested
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#endif /* EEPROM_H_ */
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