ext_flash_layout.h

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/******************************************************************************

 @file  ext_flash_layout.h

 @brief Contains common structures and defines related to external flash
        layout as it for the OAD usecase

 Group: WCS, BTS
 $Target Device: DEVICES $

 ******************************************************************************
 $License: BSD3 2015 $
 ******************************************************************************
 $Release Name: PACKAGE NAME $
 $Release Date: PACKAGE RELEASE DATE $
 *****************************************************************************/

#ifndef EXT_FLASH_LAYOUT_H
#define EXT_FLASH_LAYOUT_H

#ifdef __cplusplus
extern "C"
{
#endif

/*******************************************************************************
 * INCLUDES
 ******************************************************************************/

#include "oad_image_header.h"

#define OAD_EFL_MAGIC               {'O', 'A', 'D', ' ', 'N', 'V', 'M', '1'}

#define OAD_EFL_MAGIC_SZ            8

#define EFL_ADDR_META               0x00000

#define EFL_SIZE_META               EFL_PAGE_SIZE

#define EFL_META_PG_INVALID         0xFF

#define EFL_FACT_IMG_META_PG        0

#define EFL_ADDR_META_FACT_IMG      EFL_ADDR_META

#define EFL_META_COPY_SZ            offsetof(ExtImageInfo_t, fixedHdr.rfu)  +  \
                                    sizeof(((ExtImageInfo_t){0}).fixedHdr.rfu)

#define EFL_METADATA_LEN            sizeof(ExtImageInfo_t)

#define EFL_IMG_STR_ADDR_OFFSET     offsetof(ExtImageInfo_t, extFlAddr)

#define EFL_META_COUNTER_OFFSET     offsetof(ExtImageInfo_t, counter)

#define EFL_FACT_IMG_0_ADDR         EFL_FLASH_SIZE - EFL_MAX_IMG_SZ

#define EFL_FACT_IMG_1_ADDR         EFL_FACT_IMG_0_ADDR - EFL_MAX_IMG_SZ

#define EFL_USR_AREA_ADDR           EFL_SIZE_META*EFL_MAX_META

#define EFL_USR_AREA_SZ             EFL_IMG_SPACE_START - EFL_USR_AREA_ADDR

#define EFL_IMG_SPACE_START         EFL_APP_IMG_SZ

#define EFL_MAX_META                4

#define EFL_IMG_SPACE_END           (EFL_FACT_IMG_1_ADDR - 1)

#define EFL_NUM_FACT_IMAGES         2

#define EFL_PAGE_SIZE               0x1000

#define EFL_MAX_IMG_SZ              0x20000

#define EFL_APP_IMG_SZ              0x10000

TYPEDEF_STRUCT_PACKED
{
    imgFixedHdr_t        fixedHdr;      
    uint32_t             extFlAddr;     
    uint32_t             counter;       
} ExtImageInfo_t;

#ifdef __cplusplus
}
#endif


#endif /* EXT_FLASH_LAYOUT_H */