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#ifndef _OTA_PROTOCOL_H
#define _OTA_PROTOCOL_H

#define MAX_OTA_PARAM_SIZE  256
//#define OTA_BLOCK_SIZE    1024




#define OTA_DATA_BURST_SIZE (((uint32_t)s_ota_ctx.mtu_a)*((uint32_t)s_ota_burst_size))


enum{
  OTA_CMD_START_OTA = 1,
  OTA_CMD_PARTITION_INFO,
  OTA_CMD_BLOCK_INFO,
  OTA_CMD_REBOOT,
  OTA_CMD_ERASE,

  OTA_RSP_START_OTA = 0x81,
  OTA_RSP_PARAM,          //82
  OTA_RSP_OTA_COMPLETE,   //83
  OTA_RSP_PARTITION_INFO, //84
  OTA_RSP_PARTITION_COMPLETE, //85
  OTA_RSP_BLOCK_INFO,         //86
  OTA_RSP_BLOCK_BURST,        //87
  OTA_RSP_BLOCK_COMPLETE,     //88
  OTA_RSP_ERASE,              //89
  OTA_RSP_REBOOT,             //8a
  OTA_RSP_ERROR = 0xff,

};

typedef struct{
  uint8_t cmd;
  
  union{
    
    struct{
      uint8_t sector_num;
      uint8_t burst_size;
    } start;
    struct{
      uint8_t index;
      uint8_t flash_addr[4];
      uint8_t run_addr[4];
      uint8_t size[4];
      uint8_t checksum[2];
    } part;

    struct{
      uint8_t size[2];  //max 1024
      uint8_t index;
    } block;
    
    struct{
      uint8_t flash_addr[4];
      uint8_t size[4];
    } erase;

    uint8_t reboot_flag;

  } p;  //parameter
}ota_cmd_t;

extern const char* OTA_CRYPTO_IV;
extern bool aes_ccm_phyplus_dec(const unsigned char* iv, unsigned char* din,int dLen, unsigned char* micIn, unsigned char*dout);

void otaProtocol_mtu(uint16_t mtu);
void otaProtocol_TimerEvt(void);
bool otaProtocol_address_plus(void);
void otaProtocol_BootMode(void);
void otaProtocol_RunApp(void);
int otaProtocol_init(uint8_t task_id, uint16_t tm_evt);


#endif