#ifndef  __JLFS_H__
#define  __JLFS_H__

#include "typedef.h"


typedef struct {
    u32 addr;   //flash里的绝对地址
    u32 size;   //文件大小
    u32 pos;    //操作的偏移量
    u32 res;    //预留参数
} JLFS_FILE;

struct jlfs_flash_head {
    u16 head_crc;
    u16 size4burner;
    char vid[4];
    u32 flash_size;
    u8 fs_version;
    u8 BlockAlignSize;
    u16 SpecialOptFlag;
    char pid[16];
};

struct jlfs_file_head {
    u16 head_crc;
    u16 data_crc;
    u32 addr;
    u32 len;
    u8 attr;
    u8 res;
    u16 index;
    char name[16];
};

struct jlfs_app_info_head {
    u16 head_crc;
    u16 data_crc;
    u16 encodedata_crc;
    u16 version;
    u32 len;
    u32 reserved;
    char name[16];
};


void *get_global_buffer(u32 size);

u32 jlfs_get_flash_align_size(void);
u32 jlfs_get_flash_app_base_addr(void);
u32 jlfs_get_flash_eoffset_size(void);
u32 jlfs_get_app_entry_addr(void);
u8 *jlfs_get_isd_cfg_ptr(void);
u8 jlfs_read_isd_cfg_ini(const char *cfg, void *value);
u8 jlfs_mount(void);
u8 jlfs_fopen_by_addr(JLFS_FILE *file, u32 addr);
u8 jlfs_fopen_by_name(JLFS_FILE *file, const char *name, u8 mode);
u32 jlfs_fread(JLFS_FILE *file, u8 *buf, u32 len);
u32 jlfs_erase(JLFS_FILE *file, u32 len);
u32 jlfs_write(JLFS_FILE *file, u8 *buf, u32 len);
void jlfs_fseek(JLFS_FILE *file, u32 offset);
void jlfs_get_pid_vid(u8 *pid, u8 *vid);
void jlfs_get_bt_mac(u8 *mac);
u32 jlfs_get_flen_by_name(const char *name);
u32 jlfs_get_idle_bank_info(JLFS_FILE *file, u32 mode);
u32 jlfs_updata_dual_bank_info(JLFS_FILE *file, u16 data_crc);
/* --------------------------------------------------------------------------*/
/**
 * @brief 选择哪个code跑，必须在 jlfs_mount() 前调用才有效
 *
 * @param code_index 0:code0  1:code1  -1:自动切换（原模式） >1的数值会被强制为code0
 */
/* ----------------------------------------------------------------------------*/
void jlfs_dual_bank_choose_code(u8 code_index);
#endif