flash25.h

Go to the documentation of this file.

#ifndef DRV_FLASH25_H
#define DRV_FLASH25_H

#include <cfg/compiler.h>
#include "cfg/cfg_flash25.h"

#include <kern/kfile.h>

typedef uint32_t flash25Addr_t;
typedef uint32_t flash25Size_t;
typedef uint8_t flash25Offset_t;

typedef struct Flash25
{
    KFile fd;                       
    KFile *channel;                 
} Flash25;

#define KFT_FLASH25 MAKE_ID('F', 'L', '2', '5')


INLINE Flash25 * FLASH25_CAST(KFile *fd)
{
    ASSERT(fd->_type == KFT_FLASH25);
    return (Flash25 *)fd;
}

#define FLASH25_AT25F2048         1

#if CONFIG_FLASH25 == FLASH25_AT25F2048
    #define FLASH25_MANUFACTURER_ID    0x1F  // ATMEL
    #define FLASH25_DEVICE_ID          0x63  // Device ID
    #define FLASH25_PAGE_SIZE          256   // Page size in byte
    #define FLASH25_NUM_SECTOR         4     // Number of section in serial memory
    #define FLASH25_SECTOR_SIZE        65536UL // Section size in byte
    #define FLASH25_MEM_SIZE           FLASH25_NUM_SECTOR * FLASH25_SECTOR_SIZE
    #define FLASH25_NUM_PAGE           FLASH25_MEM_SIZE / FLASH25_PAGE_SIZE
#elif
    #error Nothing memory defined in CONFIG_FLASH25 are support.
#endif

#define RDY_BIT     0x1 // Statuts of write cycle
/* \} */

typedef enum {
    FLASH25_WREN            = 0x6,  
    FLASH25_WRDI            = 0x4,  
    FLASH25_RDSR            = 0x5,  
    FLASH25_WRSR            = 0x1,  
    FLASH25_READ            = 0x3,  
    FLASH25_PROGRAM         = 0x2,  
    FLASH25_SECTORE_ERASE   = 0x52, 
    FLASH25_CHIP_ERASE      = 0x62, 
    FLASH25_RDID            = 0x15 
} Flash25Opcode;

#if CONFIG_FLASH25 != FLASH25_AT25F2048
    #error Nothing memory defined in CONFIG_FLASH25 are support.
#endif

typedef enum {
    FLASH25_SECT1            = 0x0,      
    FLASH25_SECT2            = 0x10000,  
    FLASH25_SECT3            = 0x20000,  
    FLASH25_SECT4            = 0x30000,  
} Flash25Sector;

void flash25_init(Flash25 *fd, KFile *ch);
void flash25_chipErase(Flash25 *fd);
void flash25_sectorErase(Flash25 *fd, Flash25Sector sector);
bool flash25_test(KFile *channel);

#endif /* DRV_FLASH25_H */