flash_16x4.h

at91系列通过串口烧写源程序

//*-----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*-----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name               : flash_16x4.h
//* Object                  : FLASH definition file :
//*                             AT49BV1604/AT49BV1604T
//*                             AT49BV1614/AT49BV1604T
//*
//* 1.0 17/04/99 JPP        : Creation
//* 1.1 26/04/00 EL         : Clean up
//*-----------------------------------------------------------------------------


#include "periph/stdc/std_c.h"

#ifndef flash_16x4_h
#define flash_16x4_h

#define TRUE    1
#define FALSE   0

/* Define Flash Codes */
#define FLASH_MANUFACTURER_CODE     0x001F

#define KILO_BYTES          (1024)
#define FLASH_SEQ_ADD1      (0x5555)
#define FLASH_SEQ_ADD2      (0x2AAA)

#define FLASH_CODE1         ((flash_word)(0xAA))
#define FLASH_CODE2         ((flash_word)(0x55))
#define ID_IN_CODE          ((flash_word)(0x90))
#define ID_OUT_CODE         ((flash_word)(0xF0))
#define WRITE_CODE          ((flash_word)(0xA0))
#define ERASE_CODE          ((flash_word)(0x80))
#define CHIP_ERASE_CODE     ((flash_word)(0x10))
#define ERASE_SECTOR_CODE   ((flash_word)(0x30))
#define ERASE_SECTOR_CODE1  ((flash_word)(0x80))
#define ERASE_SECTOR_CODE2  ((flash_word)(0x30))

/* Timeout loop count */
#define TIME_OUT            0x07FFFFFF

/* Error message */
#define FLASH_OK                0x00
#define FLASH_WRITE_TIME_OUT    0x81
#define FLASH_WRITE_ERROR       0x82
#define FLASH_SECTOR_ERROR      -1
#define ERASED_SECTOR           0xFF
#define UNERASED_SECTOR         0x00

/* Defines organization structure */
typedef struct OrgDef
{
    unsigned int    sector_number ;
    unsigned int    sector_size ;
} OrgDef ;

/* Defines organization structure */
typedef struct SectorDef
{
    unsigned int    sector ;

} SectorDef ;

/* Defines Flash device definition structure */
typedef struct FlashDef
{
    unsigned int    flash_mask;
    unsigned int    flash_sector_nb;
    OrgDef          *flash_org;
    SectorDef       *erase_sector ;
}FlashDef;


/* Function Prototyping File */
extern void at91_flash_identify ( flash_word *base_addr, flash_word *manuf_code,flash_word *device_code );
extern int  at91_erase_sector ( flash_word *base_addr, flash_word *sector_addr);
extern int  at91_write_flash ( flash_word *base_addr, flash_word *load_addr,flash_word data );

#endif /* flash_16x4_h */