274 lines
7.8 KiB
Python
274 lines
7.8 KiB
Python
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#!/usr/bin/python
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#
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# File : gen_appbin.py
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# This file is part of Espressif's generate bin script.
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# Copyright (C) 2013 - 2016, Espressif Systems
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of version 3 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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"""This file is part of Espressif's generate bin script.
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argv[1] is elf file name
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argv[2] is version num"""
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import string
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import sys
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import os
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import re
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import binascii
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import struct
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import zlib
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TEXT_ADDRESS = 0x40100000
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# app_entry = 0
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# data_address = 0x3ffb0000
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# data_end = 0x40000000
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# text_end = 0x40120000
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CHECKSUM_INIT = 0xEF
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chk_sum = CHECKSUM_INIT
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blocks = 0
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def write_file(file_name,data):
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if file_name is None:
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print 'file_name cannot be none\n'
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sys.exit(0)
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fp = open(file_name,'ab')
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if fp:
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fp.seek(0,os.SEEK_END)
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fp.write(data)
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fp.close()
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else:
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print '%s write fail\n'%(file_name)
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def combine_bin(file_name,dest_file_name,start_offset_addr,need_chk):
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global chk_sum
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global blocks
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if dest_file_name is None:
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print 'dest_file_name cannot be none\n'
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sys.exit(0)
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if file_name:
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fp = open(file_name,'rb')
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if fp:
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########## write text ##########
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fp.seek(0,os.SEEK_END)
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data_len = fp.tell()
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if data_len:
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if need_chk:
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tmp_len = (data_len + 3) & (~3)
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else:
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tmp_len = (data_len + 15) & (~15)
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data_bin = struct.pack('<II',start_offset_addr,tmp_len)
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write_file(dest_file_name,data_bin)
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fp.seek(0,os.SEEK_SET)
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data_bin = fp.read(data_len)
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write_file(dest_file_name,data_bin)
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if need_chk:
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for loop in range(len(data_bin)):
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chk_sum ^= ord(data_bin[loop])
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# print '%s size is %d(0x%x),align 4 bytes,\nultimate size is %d(0x%x)'%(file_name,data_len,data_len,tmp_len,tmp_len)
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tmp_len = tmp_len - data_len
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if tmp_len:
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data_str = ['00']*(tmp_len)
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data_bin = binascii.a2b_hex(''.join(data_str))
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write_file(dest_file_name,data_bin)
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if need_chk:
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for loop in range(len(data_bin)):
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chk_sum ^= ord(data_bin[loop])
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blocks = blocks + 1
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fp.close()
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else:
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print '!!!Open %s fail!!!'%(file_name)
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def getFileCRC(_path):
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try:
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blocksize = 1024 * 64
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f = open(_path,"rb")
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str = f.read(blocksize)
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crc = 0
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while(len(str) != 0):
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crc = binascii.crc32(str, crc)
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str = f.read(blocksize)
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f.close()
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except:
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print 'get file crc error!'
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return 0
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return crc
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def gen_appbin():
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global chk_sum
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global crc_sum
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global blocks
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if len(sys.argv) != 6:
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print 'Usage: gen_appbin.py eagle.app.out boot_mode flash_mode flash_clk_div flash_size_map'
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sys.exit(0)
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elf_file = sys.argv[1]
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boot_mode = sys.argv[2]
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flash_mode = sys.argv[3]
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flash_clk_div = sys.argv[4]
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flash_size_map = sys.argv[5]
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flash_data_line = 16
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data_line_bits = 0xf
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irom0text_bin_name = 'eagle.app.v6.irom0text.bin'
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text_bin_name = 'eagle.app.v6.text.bin'
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data_bin_name = 'eagle.app.v6.data.bin'
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rodata_bin_name = 'eagle.app.v6.rodata.bin'
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flash_bin_name ='eagle.app.flash.bin'
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BIN_MAGIC_FLASH = 0xE9
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BIN_MAGIC_IROM = 0xEA
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data_str = ''
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sum_size = 0
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if os.getenv('COMPILE')=='gcc' :
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cmd = 'xtensa-lx106-elf-nm -g ' + elf_file + ' > eagle.app.sym'
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else :
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cmd = 'xt-nm -g ' + elf_file + ' > eagle.app.sym'
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os.system(cmd)
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fp = file('./eagle.app.sym')
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if fp is None:
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print "open sym file error\n"
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sys.exit(0)
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lines = fp.readlines()
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fp.close()
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entry_addr = None
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p = re.compile('(\w*)(\sT\s)(call_user_start)$')
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for line in lines:
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m = p.search(line)
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if m != None:
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entry_addr = m.group(1)
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# print entry_addr
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if entry_addr is None:
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print 'no entry point!!'
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sys.exit(0)
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data_start_addr = '0'
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p = re.compile('(\w*)(\sA\s)(_data_start)$')
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for line in lines:
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m = p.search(line)
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if m != None:
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data_start_addr = m.group(1)
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# print data_start_addr
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rodata_start_addr = '0'
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p = re.compile('(\w*)(\sA\s)(_rodata_start)$')
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for line in lines:
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m = p.search(line)
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if m != None:
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rodata_start_addr = m.group(1)
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# print rodata_start_addr
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# write flash bin header
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#============================
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# SPI FLASH PARAMS
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#-------------------
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#flash_mode=
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# 0: QIO
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# 1: QOUT
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# 2: DIO
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# 3: DOUT
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#-------------------
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#flash_clk_div=
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# 0 : 80m / 2
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# 1 : 80m / 3
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# 2 : 80m / 4
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# 0xf: 80m / 1
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#-------------------
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#flash_size_map=
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# 0 : 512 KB (256 KB + 256 KB)
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# 1 : 256 KB
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# 2 : 1024 KB (512 KB + 512 KB)
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# 3 : 2048 KB (512 KB + 512 KB)
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# 4 : 4096 KB (512 KB + 512 KB)
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# 5 : 2048 KB (1024 KB + 1024 KB)
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# 6 : 4096 KB (1024 KB + 1024 KB)
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#-------------------
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# END OF SPI FLASH PARAMS
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#============================
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byte2=int(flash_mode)&0xff
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byte3=(((int(flash_size_map)<<4)| int(flash_clk_div))&0xff)
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if boot_mode == '2':
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# write irom bin head
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data_bin = struct.pack('<BBBBI',BIN_MAGIC_IROM,4,byte2,byte3,long(entry_addr,16))
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sum_size = len(data_bin)
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write_file(flash_bin_name,data_bin)
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# irom0.text.bin
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combine_bin(irom0text_bin_name,flash_bin_name,0x0,0)
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data_bin = struct.pack('<BBBBI',BIN_MAGIC_FLASH,3,byte2,byte3,long(entry_addr,16))
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sum_size = len(data_bin)
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write_file(flash_bin_name,data_bin)
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# text.bin
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combine_bin(text_bin_name,flash_bin_name,TEXT_ADDRESS,1)
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# data.bin
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if data_start_addr:
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combine_bin(data_bin_name,flash_bin_name,long(data_start_addr,16),1)
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# rodata.bin
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combine_bin(rodata_bin_name,flash_bin_name,long(rodata_start_addr,16),1)
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# write checksum header
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sum_size = os.path.getsize(flash_bin_name) + 1
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sum_size = flash_data_line - (data_line_bits&sum_size)
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if sum_size:
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data_str = ['00']*(sum_size)
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data_bin = binascii.a2b_hex(''.join(data_str))
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write_file(flash_bin_name,data_bin)
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write_file(flash_bin_name,chr(chk_sum & 0xFF))
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if boot_mode == '1':
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sum_size = os.path.getsize(flash_bin_name)
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data_str = ['FF']*(0x10000-sum_size)
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data_bin = binascii.a2b_hex(''.join(data_str))
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write_file(flash_bin_name,data_bin)
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fp = open(irom0text_bin_name,'rb')
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if fp:
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data_bin = fp.read()
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write_file(flash_bin_name,data_bin)
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fp.close()
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else :
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print '!!!Open %s fail!!!'%(flash_bin_name)
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sys.exit(0)
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if boot_mode == '1' or boot_mode == '2':
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all_bin_crc = getFileCRC(flash_bin_name)
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print all_bin_crc
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if all_bin_crc < 0:
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all_bin_crc = abs(all_bin_crc) - 1
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else :
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all_bin_crc = abs(all_bin_crc) + 1
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print all_bin_crc
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write_file(flash_bin_name,chr((all_bin_crc & 0x000000FF))+chr((all_bin_crc & 0x0000FF00) >> 8)+chr((all_bin_crc & 0x00FF0000) >> 16)+chr((all_bin_crc & 0xFF000000) >> 24))
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cmd = 'rm eagle.app.sym'
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os.system(cmd)
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if __name__=='__main__':
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gen_appbin()
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