#pragma once
#include "stdint.h"

// Flash分区配置
constexpr uint32_t BOOTLOADER_SIZE = 0x4000;          // 16KB
constexpr uint32_t APP_START_ADDR = 0x08004000;      // APP起始地址
constexpr uint32_t APP_MAX_SIZE = 0x0001C000;        // 112KB
constexpr uint32_t FMC_PAGE_SIZE = 0x400;

// CANFD配置
constexpr uint32_t CANFD_OTA_REQ_ID = 0x00000100;
constexpr uint32_t CANFD_OTA_DATA_ID = 0x00000101;
constexpr uint32_t CANFD_OTA_ACK_ID = 0x00000102;

// CANFD数据段最大64字节，我们用32字节数据 + 4字节头部
constexpr uint32_t OTA_PACKET_SIZE = 32;
typedef struct {
    uint32_t packet_num;    // 包序号
    uint8_t data[OTA_PACKET_SIZE]; // 32字节有效数据
    uint32_t crc32;         // 简单校验
} canfd_ota_packet_t;