# -*- encoding: utf-8 -*-
"""
@File    :   read_bin.py   
@License :   (C)Copyright 2021-2023

@Modify Time      @Author    @Version    @Description
------------      -------    --------    -----------
2023/10/9 16:27   zart20      1.0         None
"""
# SECTOR_SIZE = 512  # 扇区大小
# BYTES_PER_LINE = 16  # 每行字节数
# # MAX_SECTORS_TO_READ = 15927  # 要读取的最大扇区数量
# MAX_SECTORS_TO_READ = 0
# # 打开设备文件
# # drive_letter = "I:"  # 请替换为你要操作的磁盘
file_path = f"/home/headless/Desktop/workspace/myshixun/src/output.bin"  # 设备文件路径
# 
# try:
#     with open(file_path, 'rb') as disk:
#         sector_number = 0  # 起始扇区号
#         byte_offset = 0  # 字节偏移量初始化
#         sectors_read = 0  # 已读取的扇区数量
# 
#         while sectors_read <= MAX_SECTORS_TO_READ:
#             # 读取扇区数据
#             disk.seek(sector_number * SECTOR_SIZE)
#             sector_data = disk.read(SECTOR_SIZE)
# 
#             # 输出扇区数据
#             print(f"扇区号：{sector_number}")
#             for i in range(0, len(sector_data), BYTES_PER_LINE):
#                 line_data = sector_data[i:i + BYTES_PER_LINE]
#                 print(f"{byte_offset + i:08X}:", end=" ")  # 输出字节偏移量（16进制）
#                 for byte in line_data:
#                     print(f"{byte:02X}", end=" ")  # 输出每个字节的16进制表示
# 
#                 print()  # 换行
# 
#             # 更新扇区号，读取下一个扇区
#             sector_number += 1
#             byte_offset += len(sector_data)  # 累加字节偏移量
#             sectors_read += 1
# 
# except PermissionError:
#     print("没有足够的权限来访问磁盘。请以管理员身份运行程序。")
# except FileNotFoundError:
#     print(f"找不到设备文件：{file_path}")
# except Exception as e:
#     print(f"发生错误：{e}")
    
    
def read_sector_0():
    SECTOR_SIZE = 512  # 扇区大小
    BYTES_PER_LINE = 16  # 每行字节数
    SECTORS = 0
    with open(file_path, 'rb') as disk:
        disk.seek(SECTORS *SECTOR_SIZE)
        sector_data = disk.read(SECTOR_SIZE)
        # for i in range(0, len(sector_data), BYTES_PER_LINE):
        #     line_data=sector_data[i:i+BYTES_PER_LINE]
        #     print(f"{SECTORS*32+i:08X}:", end=" ")
        #     for byte in line_data:
        #         print(f"{byte:02X}", end=" ")
        #         disk_dict[f"{i:08X}:"].append(f"{byte:02X}")
        #     print()
    return SECTORS, sector_data

def read_sector_FAT1():
    SECTOR_SIZE = 512  # 扇区大小
    BYTES_PER_LINE = 16  # 每行字节数
    SECTORS = 34
    with open(file_path, 'rb') as disk:
        disk.seek(SECTORS *SECTOR_SIZE)
        sector_data = disk.read(SECTOR_SIZE)
        # for i in range(0, len(sector_data), BYTES_PER_LINE):
        #     line_data=sector_data[i:i+BYTES_PER_LINE]
        #     print(f"{SECTORS*32+i:08X}:", end=" ")
        #     for byte in line_data:
        #         print(f"{byte:02X}", end=" ")
        #         disk_dict[f"{i:08X}:"].append(f"{byte:02X}")
        #     print()
    return SECTORS, sector_data

def read_sector_root_path(num):
    SECTOR_SIZE = 512  # 扇区大小
    BYTES_PER_LINE = 16  # 每行字节数
    SECTORS = 15032+num
    with open(file_path, 'rb') as disk:
        disk.seek(SECTORS *SECTOR_SIZE)
        sector_data = disk.read(SECTOR_SIZE)
        # for i in range(0, len(sector_data), BYTES_PER_LINE):
        #     line_data=sector_data[i:i+BYTES_PER_LINE]
        #     print(f"{SECTORS*32+i:08X}:", end=" ")
        #     for byte in line_data:
        #         print(f"{byte:02X}", end=" ")
        #         print(f"{chr(byte)}", end="")
        #     print()
        # print(sector_data)
    return SECTORS, sector_data

if __name__ == '__main__':
    read_sector_0()
    read_sector_FAT1()
    read_sector_root_path(0)