#ifndef __MYFLASH_H__
#define __MYFLASH_H__

#include <stdint.h>
#include <n32g45x_flash.h>
#include <stdio.h>
#include "application.h"

#define VECT_TAB_OFFSET        0xC000

#define DRONECAN_INFO_ADDR     0x08009000
#define IAP_FLAG_ADDR          0x0800A000
#define DEV_INFO_ADDR          0x0800A800
#define CONF_INFO_ADDR         0x0800B000
#define BOOT_INFO_ADDR         0x0800B800

#define IAP_UN_FLAG            0x00000000
#define IAP_FLAG               0x12345678

#define FLASH_APP1_ADDR        0x0800C000
#define FLASH_PAGE_SIZE        0x800         // page 2k

#define UID_ADDR               0x1FFFF7F0
#define BOOT_VERSION    51104U

uint32_t flash_read_32bit( uint32_t addr ); //?????
void flash_write_32bit( uint32_t addr, uint32_t data );


int flash_erase_page( uint32_t addr );
void flash_read( uint32_t address, uint8_t *data, uint32_t length );
int flash_write( uint32_t address, uint8_t *data, uint32_t length );
void write_iap_flag( void );


#define DRONECAN_UPDATE_CONTEXT_MAGIC 0x44554331UL  /* "DUC1" */
#define DRONECAN_UPDATE_CONTEXT_VERSION 1U
#define DRONECAN_FILE_PATH_MAX_LENGTH 200U
#define DRONECAN_UPDATE_CONTEXT_ADDR DRONECAN_INFO_ADDR
#define DRONECAN_UPDATE_STATE_PENDING 1U

typedef struct
{
    uint32_t magic;
    uint16_t version;
    uint16_t size;
    uint32_t crc32;

    uint8_t state;                 /* PENDING / DOWNLOADING / FAILED */
    uint8_t local_node_id;
    uint8_t file_server_node_id;
    uint8_t upgradeEable;

    uint32_t can_bitrate;
    uint8_t path_length;
    uint8_t path[DRONECAN_FILE_PATH_MAX_LENGTH];
} DroneCAN_UpdateContext;

extern DroneCAN_UpdateContext dronecanUpdateInfo;
uint32_t DroneCAN_UpdateContextCalcCRC32( const DroneCAN_UpdateContext *context );
int DroneCAN_UpdateContextWrite( void );

extern uint8_t uid[12];
void read_uid( uint8_t *uid );

#define IAP_VFLAG    0x1001

typedef struct _iap_info
{
    uint32_t ValidFlag;
    uint32_t UpgradeFlag;
    
} IAP_INFO;

extern IAP_INFO iap_info;
void read_iap_info( void );
void write_iap_info( void );



#define DEVINFO_VFLAG    0x1001

typedef struct _dev_info
{
    uint32_t sn;
    uint32_t ValidFlag;
    uint32_t  upgradeMode;
    char  dev_name[32];
    uint32_t hard_ver;
    uint32_t soft_ver;

} DEVICE_INFO;
extern DEVICE_INFO devInfo;

void read_dev_info( void );
void write_dev_info( void );
void check_dev_info( void );



#define CONFPAR_VFLAG    0x1001

typedef struct _conf_info
{
    uint32_t ValidFlag;

    uint32_t DeviceType;            //  6: 4D_Front 7:4D_Rear 8:4D_Terrain
    uint16_t MaxDist;               //  最大识别距离 (保留)
    uint16_t PowerFilterLevel;      //  能量过滤等级
    uint16_t RawDataFlag;           //  数据采集标志  0:关闭,1:开启
    int16_t  CompensateAngle;       //  安装偏差角度
    uint16_t HeightFilterValue;     //  高度过滤系数
    uint16_t BlindDistance;         //  盲区距离
    uint16_t upgradeMode;           //  雷达升级模式  0:VK   1:dronecan
    uint16_t canBitrate;            //  CAN BITRATE
    uint16_t ReserveValue_3;        //  保留
    uint16_t ReserveValue_4;        //  保留

} CONF_INFO;

extern CONF_INFO confInfo;

void read_conf_info( void );
void write_conf_info( void );
void check_conf_info( void );



#define BOOT_VFLAG    0x1001

typedef struct _boot_info
{
    uint32_t validFlag;

    uint16_t boot_version;   //  boot版本信息
    uint32_t boot_bak;       //  预留备份

} BOOT_INFO;

extern BOOT_INFO bootInfo;

void read_boot_info( void );
void write_boot_info( void );
void check_boot_info( BOOT_INFO *info );


#endif /*__MYFLASH_H__*/