--- /dev/null
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import time
+import struct
+import shutil
+
+"""
+介绍：
+ 本脚本主要实现调用mkyaffs2image工具生成文件镜像
+ 请注意使用本脚本时支持的python版本，本脚本只支持python3版本。
+ 请根据实际情况配置对应信息，主要是nandflash的信息，以及分区信息
+
+"""
+
+root_path = os.path.join(os.path.split(os.path.realpath(__file__))[0], '..', '..', '..', '..', '..', '..')
+cur_dir = os.path.dirname(os.path.abspath(__file__))
+image_tool_path = os.path.realpath(os.path.join(root_path, 'tools', 'bin', 'platform_tool', 'unyaffs'))
+
+# 配置生成文件镜像工具路径
+mkyaffstool = os.path.join(image_tool_path, 'unyaffs')
+image_name = "file"
+
+# 配置nandflash信息
+cfg_page_size = 2048
+cfg_obb_size = 64
+
+
+#code/sdk/tools/bin/platform_tool/mkyaffs2image/mkyaffs2image code/sdk/build/config/target_config/brandy/mk_fs_image/fd230/fs/system code/sdk/build/config/target_config/brandy/mk_fs_image/fd230/file_tmp.bin 1 2 0xcc0000
+#code/sdk/tools/bin/platform_tool/mkyaffs2image/mkyaffs2image code/sdk/build/config/target_config/brandy/mk_fs_image/fs/update code/sdk/build/config/target_config/brandy/mk_fs_image/file_tmp.bin 1 2 0x1980000
+#code/sdk/tools/bin/platform_tool/mkyaffs2image/mkyaffs2image code/sdk/build/config/target_config/brandy/mk_fs_image/fs/music code/sdk/build/config/target_config/brandy/mk_fs_image/file_tmp.bin 1 2 0x2640000
+#code/sdk/tools/bin/platform_tool/mkyaffs2image/mkyaffs2image code/sdk/build/config/target_config/brandy/mk_fs_image/fs/user code/sdk/build/config/target_config/brandy/mk_fs_image/file_tmp.bin 1 2
+# pagesize 2048 oobsize 64
+# 配置分区信息，请根据实际情况进行配置，添加格式为[分区路径， 分区大小]
+# 分区大小需要根据按照百分系统分配好后的blocks数进行计算，大小=blocks（文件块个数）*pages_per_block（每个文件块包含的页数）*bytes_per_page（每页包含字节数）
+# 前面按照比例分好分区，最后分区置成null，即代表剩下所有blocks
+# drivers/drivers/driver/nand_flash/nand/nandflash_config.c
+# #ifndef MEMORY_MINI
+# #define YF_NAME_STRS "/system/", "/update/", "/music/", "/user/"
+# uint32_t yf_volume_percent[YF_VOLUMES_NUM] = { 1, 1, 1, 97 };
+# 0x140000
+# 10 10 10 70
+# 0xcc0000
+
+
+partition_list = [
+ ["system","0x0", "0xcc0000"],
+ ["update","0xcc0000","0xcc0000"],
+ ["music", "0x1980000","0xcc0000"],
+ ["user", "0x2640000","null"]
+]
+
+# 将生成image文件转换大小端，保存成另外文件
+def convert(src_file, dest_file):
+ fp_src = open(src_file, 'rb')
+ fp_dest = open(dest_file, 'wb')
+ src_size = os.path.getsize(src_file)
+ for i in range(int(src_size / 4)):
+ data = fp_src.read(4)
+ rw = struct.pack('BBBB', data[3], data[2], data[1], data[0])
+ fp_dest.write(rw)
+ fp_src.close()
+ fp_dest.close()
+
+def splitimg(src_file,dest_file,startaddr,imgsize):
+ fp_src = open(src_file, 'rb')
+ fp_dest = open(dest_file, 'wb')
+ src_size = os.path.getsize(src_file)
+ print("{} {} {} {}".format(src_file,dest_file,startaddr,imgsize))
+ for i in range(int(src_size / 4)):
+ data = fp_src.read(4)
+ if i*4 >= startaddr and i*4 < (startaddr+imgsize):
+ # print(" write {} size {}".format(i*4,readsize))
+ rw = struct.pack('BBBB', data[3], data[2], data[1], data[0])
+ fp_dest.write(rw)
+ fp_src.close()
+ fp_dest.close()
+def split_img(src_file):
+ fileindex = 0
+ fp_src = open(src_file, 'rb')
+ dest_file = os.path.join(cur_dir, "%d_tmp.bin" %fileindex)
+ src_size = os.path.getsize(src_file)
+ fp_dest = open(dest_file, 'wb')
+ yaffsheader = struct.pack('BBBB', 0x59,0x46, 0x53, 0x53)
+ print("read {} ".format(yaffsheader))
+ for i in range(int(src_size / 4)):
+ data = fp_src.read(4)
+ rw = struct.pack('BBBB', data[3], data[2], data[1], data[0])
+ if data[0]==0x53 and data[1]==0x53 and data[2]==0x46 and data[3]==0x59:
+ # if data[0]==0x59 and data[1]==0x46 and data[2]==0x53 and data[3]==0x53:
+ if fileindex >= 0 :
+ fp_dest.close()
+ print("write {} size {}".format(dest_file,os.path.getsize(dest_file)))
+ dest_file = os.path.join(cur_dir, "%d_tmp.bin" %fileindex)
+ fp_dest = open(dest_file, 'wb')
+ fileindex+=1
+ fp_dest.write(rw)
+ fp_src.close()
+ fp_dest.close()
+
+
+def get_page_type(page_size):
+ if page_size == 2048:
+ return " 1"
+ elif page_size == 4096:
+ return " 2"
+ else:
+ return " 0"
+
+def get_obb_type(obb_size):
+ if obb_size == 64:
+ return " 2"
+ elif obb_size == 128:
+ return " 4"
+ else:
+ return " 0"
+
+if __name__ == "__main__":
+ image_file = os.path.join(cur_dir, "file.bin")
+
+ if sys.platform == 'linux2' or sys.platform == 'linux':
+ partition_total = 0
+ # page_type = get_page_type(cfg_page_size)
+ # obb_type = get_obb_type(cfg_obb_size)
+ page_type = " 1"
+ obb_type = " 2"
+
+ # if os.path.exists(tmp_file):
+ # os.remove(tmp_file)
+ # if os.path.exists(image_file):
+ # os.remove(image_file)
+ imgfilesize = os.path.getsize(image_file)
+
+ split_img(image_file)
+ # for partition in partition_list:
+ # tmp_file = os.path.join(cur_dir, "%s_tmp.bin" %partition[0])
+ # if (partition[2] != "null"):
+ # partition_total = partition_total + int(partition[2][2:], 16)
+ # splitimg(image_file,tmp_file,int(partition[1][2:], 16),int(partition[2][2:], 16))
+ # else:
+ # splitimg(image_file,tmp_file,int(partition[1][2:], 16), (imgfilesize - partition_total ))
+
+
+ # os.system(command)
+ # convert(tmp_file, image_file)
+ #unyaffs V0.9.7 - extract files from a YAFFS2 file system image.
+
+ # Usage: unyaffs [options] <image_file_name> [<extract_directory>]
+
+ # Options:
+ # -d detection of flash layout, no extraction
+ # -b spare contains bad block information
+ # -c <chunk size> set chunk size in KByte (default: autodetect, max: 16)
+ # -s <spare size> set spare size in Byte (default: autodetect, max: 512)
+ # -t list image contents
+ # -v verbose output
+ # -V print version
+
+ # unyaffs -c 2 -s 64 -b -t system_tmp.bin
+
+ # if (len(sys.argv) == 2 and os.path.exists(image_file)):
+ # out_path = os.path.join(sys.argv[1], "%s.bin" %image_name)
+ # shutil.copyfile(image_file, out_path)
+
+ print("make yaffs image file over!")
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