#pragma once
#include <stdint.h>

/**
 * @brief XSYNC协议端口
 */
#define IFLYTOP_XSYNC_PORT 19973

/**
 * @brief
 *      协议说明
 *
 * kxsync_packet_type_reg_read:
 *  tx: regadd
 *  rx: ecode,regdata
 *
 * kxsync_packet_type_reg_write
 *  tx: regadd,regdata
 *  rx: ecode,regdata
 *
 * kxsync_packet_type_reg_read_regs
 *  tx: regstartadd,nreg
 *  rx: ecode,regdatas
 *
 */
typedef enum {
  kxsync_packet_type_none          = 0,
  kxsync_packet_type_reg_read      = 1,
  kxsync_packet_type_reg_write     = 2,
  kxsync_packet_type_reg_read_regs = 3,
} xsync_protocol_cmd_t;

typedef enum {
  kxsync_packet_type_cmd     = 0,
  kxsync_packet_type_receipt = 1,
} xsync_protocol_packet_type_t;

#pragma pack(1)

typedef struct {
  uint16_t type;
  uint16_t index;
  uint16_t cmd;
  uint16_t ndata;
  uint32_t data[];  // first is always checksum
  /*uint8_t checksum*/
} iflytop_xsync_packet_header_t;

#define XYSNC_REG_DEVICE_INFO_START_ADD  0
#define XYSNC_REG_STM32_CONFIG_START_ADD 16

typedef enum {
  /**
   * @brief
   *  REG 0(16)  设备信息基础寄存器
   */
  kxsync_reg_software_version = 0,
  kxsync_reg_manufacturer     = 1,
  kxsync_reg_product_type_id  = 2,

  /**
   * @brief
   *  REG 16(32)  STM32配置寄存器0
   */
  kxsync_reg_stm32_obtaining_ip_mode = XYSNC_REG_STM32_CONFIG_START_ADD + 0,
  kxsync_reg_stm32_ip                = XYSNC_REG_STM32_CONFIG_START_ADD + 1,
  kxsync_reg_stm32_gw                = XYSNC_REG_STM32_CONFIG_START_ADD + 2,
  kxsync_reg_stm32_netmask           = XYSNC_REG_STM32_CONFIG_START_ADD + 3,

} xsync_reg_add_t;

typedef enum { obtaining_ip_mode_type_static = 0, obtaining_ip_mode_type_dhcp = 1 } obtaining_ip_mode_t;
static inline const char* obtaining_ip_mode_to_string(obtaining_ip_mode_t mode) {
  switch (mode) {
    case obtaining_ip_mode_type_static:
      return "static";
    case obtaining_ip_mode_type_dhcp:
      return "dhcp";
    default:
      return "unknown";
  }
}
#pragma pack()