blflashcommand/libs/base/bflb_img_loader.py

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2023-04-20 21:04:18 +00:00
# decompyle3 version 3.9.0
# Python bytecode version base 3.7.0 (3394)
# Decompiled from: Python 3.7.16 (default, Mar 30 2023, 01:25:49)
# [GCC 12.2.1 20220924]
# Embedded file name: libs/base/bflb_img_loader.py
import os, sys, time, hashlib, binascii, traceback, threading
from Crypto.Cipher import AES
from libs import bflb_utils
from libs.base import bflb_img_create
from libs.base import bflb_serial
import config as gol
from libs.bflb_utils import app_path
class BflbImgLoader(object):
def __init__(self, device, speed, boot_speed, interface='uart', chip_type='bl602', chip_name='bl602', eflash_loader_file1='', eflash_loader_file2='', callback=None, do_reset=False, reset_hold_time=100, shake_hand_delay=100, reset_revert=True, cutoff_time=0, shake_hand_retry=2, isp_mode_sign=False, isp_timeout=0, encrypt_key=None, encrypt_iv=None, public_key=None, private_key=None):
self._device = device
self._speed = speed
self._interface = interface.lower()
self._chip_type = chip_type
self._chip_name = chip_name
self._eflash_loader_file1 = eflash_loader_file1
self._eflash_loader_file2 = eflash_loader_file2
self._callback = callback
self._do_reset = do_reset
self._reset_hold_time = reset_hold_time
self._shake_hand_delay = shake_hand_delay
self._reset_revert = reset_revert
self._cutoff_time = cutoff_time
self._shake_hand_retry = shake_hand_retry
self._isp_mode_sign = isp_mode_sign
self._isp_timeout = isp_timeout
self._boot_speed = boot_speed
self.encrypt_key = encrypt_key
self.encrypt_iv = encrypt_iv
self.public_key = public_key
self.private_key = private_key
self._boot_load = True
self._record_bootinfo = None
self.bflb_serial_object = None
self._imge_fp = None
self._segcnt = 0
self._602a0_dln_fix = False
self.isp_baudrate = 2000000
if interface == 'uart':
self.bflb_serial_object = bflb_serial.BLSerialUart(rts_state=True, dtr_state=True)
self._bootrom_cmds = {'get_chip_id':{'cmd_id':'05',
'data_len':'0000',
'callback':None},
'get_boot_info':{'cmd_id':'10',
'data_len':'0000',
'callback':None},
'load_boot_header':{'cmd_id':'11',
'data_len':'00b0',
'callback':None},
'808_load_boot_header':{'cmd_id':'11',
'data_len':'0160',
'callback':None},
'628_load_boot_header':{'cmd_id':'11',
'data_len':'0100',
'callback':None},
'616_load_boot_header':{'cmd_id':'11',
'data_len':'0100',
'callback':None},
'702l_load_boot_header':{'cmd_id':'11',
'data_len':'00F0',
'callback':None},
'load_publick_key':{'cmd_id':'12',
'data_len':'0044',
'callback':None},
'load_publick_key2':{'cmd_id':'13',
'data_len':'0044',
'callback':None},
'load_signature':{'cmd_id':'14',
'data_len':'0004',
'callback':None},
'load_signature2':{'cmd_id':'15',
'data_len':'0004',
'callback':None},
'load_aes_iv':{'cmd_id':'16',
'data_len':'0014',
'callback':None},
'load_seg_header':{'cmd_id':'17',
'data_len':'0010',
'callback':None},
'load_seg_data':{'cmd_id':'18',
'data_len':'0100',
'callback':None},
'check_image':{'cmd_id':'19',
'data_len':'0000',
'callback':None},
'run_image':{'cmd_id':'1a',
'data_len':'0000',
'callback':None},
'change_rate':{'cmd_id':'20',
'data_len':'0008',
'callback':None},
'reset':{'cmd_id':'21',
'data_len':'0000',
'callback':None},
'flash_erase':{'cmd_id':'30',
'data_len':'0000',
'callback':None},
'flash_write':{'cmd_id':'31',
'data_len':'0100',
'callback':None},
'flash_read':{'cmd_id':'32',
'data_len':'0100',
'callback':None},
'flash_boot':{'cmd_id':'33',
'data_len':'0000',
'callback':None},
'efuse_write':{'cmd_id':'40',
'data_len':'0080',
'callback':None},
'efuse_read':{'cmd_id':'41',
'data_len':'0000',
'callback':None}}
def close_port(self):
if self.bflb_serial_object is not None:
self.bflb_serial_object.close()
def boot_process_load_cmd(self, section, read_len):
read_data = bytearray(0)
if read_len != 0:
read_data = bytearray(self._imge_fp.read(read_len))
if len(read_data) != read_len:
bflb_utils.printf('read error,expected len=', read_len, 'read len=', len(read_data))
return bytearray(0)
if section == 'load_boot_header':
tmp = bflb_utils.bytearray_reverse(read_data[120:124])
self._segcnt = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segcnt is ', self._segcnt)
else:
if section == '808_load_boot_header':
tmp = bflb_utils.bytearray_reverse(read_data[140:144])
self._segcnt = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segcnt is ', self._segcnt)
else:
if section == '628_load_boot_header':
tmp = bflb_utils.bytearray_reverse(read_data[136:140])
self._segcnt = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segcnt is ', self._segcnt)
else:
if section == '616_load_boot_header':
tmp = bflb_utils.bytearray_reverse(read_data[132:136])
self._segcnt = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segcnt is ', self._segcnt)
else:
if section == '702l_load_boot_header':
tmp = bflb_utils.bytearray_reverse(read_data[120:124])
self._segcnt = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segcnt is ', self._segcnt)
if section == 'load_signature' or section == 'load_signature2':
tmp = bflb_utils.bytearray_reverse(read_data[0:4])
sig_len = bflb_utils.bytearray_to_int(tmp)
read_data = read_data + bytearray(self._imge_fp.read(sig_len + 4))
if len(read_data) != sig_len + 8:
bflb_utils.printf('read signature error,expected len=', sig_len + 4, 'read len=', len(read_data))
return read_data
def boot_process_one_cmd(self, section, cmd_id, cmd_len):
read_len = bflb_utils.bytearray_to_int(cmd_len)
read_data = self._bootrom_cmds.get(section)['callback'](section, read_len)
tmp = bytearray(2)
tmp[0] = cmd_len[1]
tmp[1] = cmd_len[0]
data_read = bytearray(0)
tmp = bflb_utils.int_to_2bytearray_l(len(read_data))
data = cmd_id + bytearray(1) + tmp + read_data
if self._chip_type == 'bl702':
if section == 'run_image':
sub_module = __import__(('libs.base.' + self._chip_type), fromlist=[self._chip_type])
data = sub_module.chiptype_patch.img_load_create_predata_before_run_img()
self.bflb_serial_object.write(data)
if section == 'get_boot_info' or section == 'load_seg_header' or section == 'get_chip_id':
res, data_read = self.bflb_serial_object.deal_response()
else:
res = self.bflb_serial_object.deal_ack()
if res.startswith('OK') is True:
pass
else:
try:
bflb_utils.printf('result: ', res)
except IOError:
bflb_utils.printf('python IO error')
return (res, data_read)
def boot_process_one_section(self, section, data_len):
cmd_id = bflb_utils.hexstr_to_bytearray(self._bootrom_cmds.get(section)['cmd_id'])
if data_len == 0:
length = bflb_utils.hexstr_to_bytearray(self._bootrom_cmds.get(section)['data_len'])
else:
length = bflb_utils.int_to_2bytearray_b(data_len)
return self.boot_process_one_cmd(section, cmd_id, length)
def boot_inf_change_rate(self, comnum, section, newrate):
cmd_id = bflb_utils.hexstr_to_bytearray(self._bootrom_cmds.get(section)['cmd_id'])
cmd_len = bflb_utils.hexstr_to_bytearray(self._bootrom_cmds.get(section)['data_len'])
bflb_utils.printf('process', section, ',cmd=', binascii.hexlify(cmd_id), ',data len=', binascii.hexlify(cmd_len))
baudrate = self.bflb_serial_object.if_get_rate()
oldv = bflb_utils.int_to_4bytearray_l(baudrate)
newv = bflb_utils.int_to_4bytearray_l(newrate)
tmp = bytearray(3)
tmp[1] = cmd_len[1]
tmp[2] = cmd_len[0]
data = cmd_id + tmp + oldv + newv
self.bflb_serial_object.if_write(data)
bflb_utils.printf()
stime = 110 / float(baudrate) * 2
if stime < 0.003:
stime = 0.003
time.sleep(stime)
self.bflb_serial_object.if_close()
self.bflb_serial_object.if_init(comnum, newrate, self._chip_type, self._chip_name)
return self.bflb_serial_object.if_deal_ack(dmy_data=False)
def boot_install_cmds_callback(self):
self._bootrom_cmds.get('get_chip_id')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('get_boot_info')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_boot_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('808_load_boot_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('628_load_boot_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('616_load_boot_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('702l_load_boot_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_publick_key')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_publick_key2')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_signature')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_signature2')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_aes_iv')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_seg_header')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('load_seg_data')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('check_image')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('run_image')['callback'] = self.boot_process_load_cmd
self._bootrom_cmds.get('reset')['callback'] = self.boot_process_load_cmd
def issue_log_print(self):
bflb_utils.printf('########################################################################')
bflb_utils.printf('请按照以下描述排查问题:')
if self._chip_type == 'bl60x':
bflb_utils.printf('GPIO24是否上拉到板子自身的3.3V而不是外部的3.3V')
bflb_utils.printf('GPIO7(RX)是否连接到USB转串口的TX引脚')
bflb_utils.printf('GPIO14(TX)是否连接到USB转串口的RX引脚')
bflb_utils.printf('在使用烧录软件进行烧录前是否在GPIO24拉高的情况下使用Reset/Chip_En复位了芯片')
else:
if self._chip_type == 'bl602':
bflb_utils.printf('GPIO8是否上拉到板子自身的3.3V而不是外部的3.3V')
bflb_utils.printf('GPIO7(RX)是否连接到USB转串口的TX引脚')
bflb_utils.printf('GPIO16(TX)是否连接到USB转串口的RX引脚')
bflb_utils.printf('在使用烧录软件进行烧录前是否在GPIO8拉高的情况下使用Reset/Chip_En复位了芯片')
else:
if self._chip_type == 'bl702':
bflb_utils.printf('GPIO28是否上拉到板子自身的3.3V而不是外部的3.3V')
bflb_utils.printf('GPIO15(RX)是否连接到USB转串口的TX引脚')
bflb_utils.printf('GPIO14(TX)是否连接到USB转串口的RX引脚')
bflb_utils.printf('在使用烧录软件进行烧录前是否在GPIO28拉高的情况下使用Reset/Chip_En复位了芯片')
else:
bflb_utils.printf('Boot pin是否上拉到板子自身的3.3V而不是外部的3.3V')
bflb_utils.printf('UART RX是否连接到USB转串口的TX引脚')
bflb_utils.printf('UART TX是否连接到USB转串口的RX引脚')
bflb_utils.printf('在使用烧录软件进行烧录前是否在Boot pin拉高的情况下使用Reset/Chip_En复位了芯片')
bflb_utils.printf('烧录软件所选择的COM口是否是连接芯片的串口')
bflb_utils.printf('烧录软件上选择的波特率是否是USB转串口支持的波特率')
bflb_utils.printf('3.3V供电是否正常')
bflb_utils.printf('板子供电电流是否正常(烧录模式下芯片耗电电流5-7mA)')
bflb_utils.printf('########################################################################')
def send_55_command(self, speed):
try:
while True:
if self._shakehand_flag is True:
break
if not self._chip_type == 'bl702' or self._chip_type == 'bl702l':
self.bflb_serial_object.write(self.get_sync_bytes(int(0.003 * speed / 10)))
else:
self.bflb_serial_object.write(self.get_sync_bytes(int(0.006 * speed / 10)))
except Exception as e:
try:
bflb_utils.printf('Error: %s' % e)
finally:
e = None
del e
def get_sync_bytes(self, length):
try:
data = bytearray(length)
i = 0
while i < length:
data[i] = 85
i += 1
return data
except Exception as e:
try:
bflb_utils.printf('Error: %s' % e)
finally:
e = None
del e
def set_isp_baudrate(self, isp_baudrate):
bflb_utils.printf('isp mode speed: ', isp_baudrate)
self.isp_baudrate = isp_baudrate
def toggle_boot_or_shake_hand(self, run_sign, do_reset=False, reset_hold_time=100, shake_hand_delay=100, reset_revert=True, cutoff_time=0, isp_mode_sign=False, isp_timeout=0, boot_load=False, shake_hand_retry=2):
"""
When run_sign is 2, it run shakehand.
"""
device = self._device
speed = self._speed
if run_sign == 2:
shake_hand_retry = shake_hand_retry
else:
if run_sign == 1:
shake_hand_retry = 1
if self.bflb_serial_object:
try:
timeout = self.bflb_serial_object.get_timeout()
blusbserialwriteflag = False
if isp_mode_sign:
if isp_timeout > 0:
wait_timeout = isp_timeout
self.bflb_serial_object.set_timeout(0.1)
self._shakehand_flag = False
cutoff_time = 0
do_reset = False
self.bflb_serial_object.repeat_init(device, self.isp_baudrate, self._chip_type, self._chip_name)
self.bflb_serial_object.write(b'\r\nispboot if\r\nreboot\r\n')
fl_thrx = None
fl_thrx = threading.Thread(target=(self.send_55_command), args=(speed,))
fl_thrx.setDaemon(True)
fl_thrx.start()
bflb_utils.printf('Please Press Reset Key!')
self.bflb_serial_object.setRTS(1)
time.sleep(0.2)
self.bflb_serial_object.setRTS(0)
time_stamp = time.time()
while time.time() - time_stamp < wait_timeout:
if self._chip_type == 'bl602' or self._chip_type == 'bl702':
self.bflb_serial_object.set_timeout(0.01)
success, ack = self.bflb_serial_object.read(3000)
if ack.find(b'Boot2 ISP Shakehand Suss') != -1:
self._shakehand_flag = True
if ack.find(b'Boot2 ISP Ready') != -1:
bflb_utils.printf('isp ready')
self.bflb_serial_object.write(bytearray.fromhex('a0000000'))
self.bflb_serial_object.set_timeout(timeout)
return 'OK'
else:
success, ack = self.bflb_serial_object.read(3000)
if ack.find(b'Boot2 ISP Ready') != -1:
bflb_utils.printf('isp ready')
self._shakehand_flag = True
if self._shakehand_flag is True:
self.bflb_serial_object.set_timeout(timeout)
tmp_timeout = self.bflb_serial_object.get_timeout()
self.bflb_serial_object.set_timeout(0.1)
if self._chip_type == 'bl602' or self._chip_type == 'bl702':
self.bflb_serial_object.set_timeout(0.5)
success, ack = self.bflb_serial_object.read(15)
self.bflb_serial_object.set_timeout(0.005)
ack += self.bflb_serial_object.read(15)[1]
self.bflb_serial_object.set_timeout(tmp_timeout)
bflb_utils.printf('read ready')
if ack.find(b'Boot2 ISP Ready') == -1:
bflb_utils.printf('Boot2 isp is not ready')
return 'FL'
self.bflb_serial_object.write(bytearray.fromhex('a0000000'))
return 'OK'
else:
while 1:
ack = self.bflb_serial_object.raw_read()
if len(ack) == 0:
break
time.sleep(0.1)
while True:
ack = self.bflb_serial_object.raw_read()
if len(ack) == 0:
break
self.bflb_serial_object.set_timeout(tmp_timeout)
break
self._shakehand_flag = True
self.bflb_serial_object.set_timeout(timeout)
self.bflb_serial_object.repeat_init(device, speed, self._chip_type, self._chip_name)
time.sleep(2.2)
if self.bflb_serial_object._is_bouffalo_chip():
if boot_load:
blusbserialwriteflag = True
while shake_hand_retry > 0:
if cutoff_time != 0 and blusbserialwriteflag is not True:
cutoff_revert = False
if cutoff_time > 1000:
cutoff_revert = True
cutoff_time = cutoff_time - 1000
self.bflb_serial_object.setRTS(1)
time.sleep(0.2)
self.bflb_serial_object.setRTS(0)
time.sleep(0.05)
self.bflb_serial_object.setRTS(1)
if cutoff_revert:
self.bflb_serial_object.setDTR(0)
else:
self.bflb_serial_object.setDTR(1)
bflb_utils.printf('tx rx and power off, press the machine!')
bflb_utils.printf('cutoff time is ', cutoff_time / 1000.0)
time.sleep(cutoff_time / 1000.0)
if cutoff_revert:
self.bflb_serial_object.setDTR(1)
else:
self.bflb_serial_object.setDTR(0)
bflb_utils.printf('power on tx and rx ')
time.sleep(0.1)
else:
if run_sign == 2:
self.bflb_serial_object.setDTR(0)
bflb_utils.printf('default set DTR high ')
time.sleep(0.1)
if do_reset is True:
if blusbserialwriteflag is not True:
self.bflb_serial_object.setRTS(0)
time.sleep(0.2)
if reset_revert:
self.bflb_serial_object.setRTS(1)
time.sleep(0.001)
reset_cnt = 2
if reset_hold_time > 1000:
reset_cnt = int(reset_hold_time // 1000)
reset_hold_time = reset_hold_time % 1000
while reset_cnt > 0:
if reset_revert:
self.bflb_serial_object.setRTS(0)
else:
self.bflb_serial_object.setRTS(1)
time.sleep(reset_hold_time / 1000.0)
if reset_revert:
self.bflb_serial_object.setRTS(1)
else:
self.bflb_serial_object.setRTS(0)
if shake_hand_delay > 0:
time.sleep(shake_hand_delay / 1000.0)
else:
time.sleep(0.005)
if reset_revert:
self.bflb_serial_object.setRTS(0)
else:
self.bflb_serial_object.setRTS(1)
time.sleep(reset_hold_time / 1000.0)
if reset_revert:
self.bflb_serial_object.setRTS(1)
else:
self.bflb_serial_object.setRTS(0)
if shake_hand_delay > 0:
time.sleep(shake_hand_delay / 1000.0)
else:
time.sleep(0.005)
reset_cnt -= 1
bflb_utils.printf('reset cnt: ' + str(reset_cnt) + ', reset hold: ' + str(reset_hold_time / 1000.0) + ', shake hand delay: ' + str(shake_hand_delay / 1000.0))
if blusbserialwriteflag:
self.bflb_serial_object.bl_usb_serial_write(cutoff_time, reset_revert)
else:
bflb_utils.printf('clean buf')
self.bflb_serial_object.set_timeout(0.1)
self.bflb_serial_object.clear_buf()
if run_sign == 1:
self.bflb_serial_object.set_timeout(timeout)
return 'OK'
if self._602a0_dln_fix:
self.bflb_serial_object.set_timeout(0.5)
else:
self.bflb_serial_object.set_timeout(0.1)
bflb_utils.printf('send sync')
if self._chip_type == 'bl702' or self._chip_type == 'bl702l':
self.bflb_serial_object.write(self.get_sync_bytes(int(0.003 * speed / 10)))
else:
self.bflb_serial_object.write(self.get_sync_bytes(int(0.006 * speed / 10)))
if self._chip_type == 'bl808':
time.sleep(0.3)
self.bflb_serial_object.write(bflb_utils.hexstr_to_bytearray('5000080038F0002000000018'))
if self._602a0_dln_fix:
time.sleep(4)
success, ack = self.bflb_serial_object.read(1000)
bflb_utils.printf('ack is ', binascii.hexlify(ack))
if ack.find(b'O') != -1 or ack.find(b'K') != -1:
self.bflb_serial_object.set_timeout(timeout)
if self._602a0_dln_fix:
self.bflb_serial_object.write(bytearray(2))
time.sleep(0.03)
return 'OK'
if len(ack) != 0:
bflb_utils.printf('reshake')
if do_reset is False:
bflb_utils.printf('sleep')
time.sleep(3)
else:
bflb_utils.printf('retry')
shake_hand_retry -= 1
self.bflb_serial_object.set_timeout(timeout)
return 'FL'
except Exception as e:
try:
bflb_utils.printf('Error: %s' % e)
finally:
e = None
del e
else:
return 'FL'
def img_load_shake_hand(self, sh_baudrate, wk_baudrate, do_reset=False, reset_hold_time=100, shake_hand_delay=100, reset_revert=True, cutoff_time=0, shake_hand_retry=2, isp_mode_sign=False, isp_timeout=0, boot_load=True):
self.bflb_serial_object.repeat_init(self._device, sh_baudrate, self._chip_type, self._chip_name)
self.boot_install_cmds_callback()
if self._chip_type == 'wb03':
self.toggle_boot_or_shake_hand(1, do_reset, reset_hold_time, shake_hand_delay, reset_revert, cutoff_time, isp_mode_sign, isp_timeout, boot_load)
bflb_utils.printf('get_chip_id')
ret, data_read = self.boot_process_one_section('get_chip_id', 0)
if ret.startswith('OK') is False:
bflb_utils.printf('fail')
return (
ret, None)
data_read = binascii.hexlify(data_read)
bflb_utils.printf('data read is ', data_read)
chip_id = data_read.decode('utf-8')
if chip_id != '43484950574230334130305f424c0000':
if chip_id != '43484950574230334130305F424C0000':
return 'shake hand fail'
else:
if self._chip_type == 'bl602':
self._602a0_dln_fix = False
ret = self.toggle_boot_or_shake_hand(2, do_reset, reset_hold_time, shake_hand_delay, reset_revert, cutoff_time, isp_mode_sign, isp_timeout, boot_load, shake_hand_retry)
if self._chip_type == 'bl602':
self._602a0_dln_fix = False
if ret != 'OK':
bflb_utils.printf('shake hand fail')
self.issue_log_print()
bflb_utils.set_error_code('0050')
return 'shake hand fail'
if sh_baudrate != wk_baudrate:
if self.boot_inf_change_rate(self._device, 'change_rate', wk_baudrate) != 'OK':
bflb_utils.printf('change rate fail')
return 'change rate fail'
bflb_utils.printf('shake hand success')
return ret
def img_load_main_process(self, file, group, record_bootinfo=None):
encrypt_blk_size = 16
bflb_utils.printf('get_boot_info')
ret, data_read = self.boot_process_one_section('get_boot_info', 0)
if ret.startswith('OK') is False:
bflb_utils.printf('fail')
return (
ret, None)
data_read = binascii.hexlify(data_read)
bflb_utils.printf('data read is ', data_read)
bootinfo = data_read.decode('utf-8')
chipid = ''
if self._chip_type == 'bl702' or self._chip_type == 'bl702l':
chipid = bootinfo[32:34] + bootinfo[34:36] + bootinfo[36:38] + bootinfo[38:40] + bootinfo[40:42] + bootinfo[42:44] + bootinfo[44:46] + bootinfo[46:48]
else:
chipid = bootinfo[34:36] + bootinfo[32:34] + bootinfo[30:32] + bootinfo[28:30] + bootinfo[26:28] + bootinfo[24:26]
bflb_utils.printf('========= ChipID: ', chipid, ' =========')
bflb_utils.printf('last boot info: ', record_bootinfo)
if record_bootinfo != None:
if bootinfo[8:] == record_bootinfo[8:]:
bflb_utils.printf('repeated chip')
return (
'repeat_burn', bootinfo)
if bootinfo[:8] == 'FFFFFFFF' or bootinfo[:8] == 'ffffffff':
bflb_utils.printf('eflash loader present')
return (
'error_shakehand', bootinfo)
sign = 0
encrypt = 0
if self._chip_type == 'bl60x':
sign = int(data_read[8:10], 16) & 3
encrypt = (int(data_read[8:10], 16) & 12) >> 2
else:
if self._chip_type == 'bl602' or self._chip_type == 'bl702' or self._chip_type == 'bl702l':
sign = int(data_read[8:10], 16)
encrypt = int(data_read[10:12], 16)
else:
if self._chip_type == 'bl808' or self._chip_type == 'bl628':
if group == 0:
sign = int(data_read[8:10], 16)
encrypt = int(data_read[12:14], 16)
else:
sign = int(data_read[10:12], 16)
encrypt = int(data_read[14:16], 16)
else:
sign = int(data_read[8:10], 16)
encrypt = int(data_read[10:12], 16)
bflb_utils.printf('sign is ', sign, ' encrypt is ', encrypt)
if encrypt == 1 or sign == 1:
if encrypt == 1 and self.encrypt_key != None and self.encrypt_iv != None and sign == 1 and self.encrypt_key != None and self.private_key != None:
ret, encrypted_data = bflb_img_create.encrypt_loader_bin(self._chip_type, file, sign, encrypt, self.encrypt_key, self.encrypt_iv, self.public_key, self.private_key)
else:
if encrypt == 1and self.encrypt_key != None and self.encrypt_key != None and sign == 0:
ret, encrypted_data = bflb_img_create.encrypt_loader_bin(self._chip_type, file, sign, encrypt, self.encrypt_key, self.encrypt_iv, self.public_key, self.private_key)
else:
if encrypt == 0and sign == 1 and sign == 1 and self.private_key != None:
ret, encrypted_data = bflb_img_create.encrypt_loader_bin(self._chip_type, file, sign, encrypt, self.encrypt_key, self.encrypt_iv, self.public_key, self.private_key)
else:
if encrypt == 1 and sign == 1:
bflb_utils.printf('Error: Aes-encrypt and ecc-signature is None!')
else:
if encrypt == 1 and sign == 0:
bflb_utils.printf('Error: Aes-encrypt is None!')
else:
if encrypt == 0:
if sign == 1:
bflb_utils.printf('Error: Ecc-signature is None!')
return (
'', bootinfo)
if ret == True:
filename, ext = os.path.splitext(file)
file_encrypt = filename + '_encrypt' + ext
fp = open(file_encrypt, 'wb')
fp.write(encrypted_data)
fp.close()
self._imge_fp = open(file_encrypt, 'rb')
else:
file = os.path.join(bflb_utils.app_path, file)
self._imge_fp = open(file, 'rb')
else:
file = os.path.join(bflb_utils.app_path, file)
self._imge_fp = open(file, 'rb')
if self._chip_type == 'wb03':
self._imge_fp.read(208)
if self._chip_type == 'bl808':
ret, dmy = self.boot_process_one_section('808_load_boot_header', 0)
else:
if self._chip_type == 'bl628':
ret, dmy = self.boot_process_one_section('628_load_boot_header', 0)
else:
if self._chip_type == 'bl616' or self._chip_type == 'wb03':
ret, dmy = self.boot_process_one_section('616_load_boot_header', 0)
else:
if self._chip_type == 'bl702l':
ret, dmy = self.boot_process_one_section('702l_load_boot_header', 0)
else:
ret, dmy = self.boot_process_one_section('load_boot_header', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
if sign != 0:
ret, dmy = self.boot_process_one_section('load_publick_key', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
if self._chip_type == 'bl60x' or self._chip_type == 'bl808' or self._chip_type == 'bl628':
ret, dmy = self.boot_process_one_section('load_publick_key2', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
ret, dmy = self.boot_process_one_section('load_signature', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
if self._chip_type == 'bl60x' or self._chip_type == 'bl808' or self._chip_type == 'bl628':
ret, dmy = self.boot_process_one_section('load_signature2', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
if encrypt != 0:
ret, dmy = self.boot_process_one_section('load_aes_iv', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
segs = 0
while segs < self._segcnt:
send_len = 0
segdata_len = 0
ret, data_read = self.boot_process_one_section('load_seg_header', 0)
if ret.startswith('OK') is False:
return (ret, bootinfo)
else:
tmp = bflb_utils.bytearray_reverse(data_read[4:8])
segdata_len = bflb_utils.bytearray_to_int(tmp)
bflb_utils.printf('segdata_len is ', segdata_len)
if encrypt == 1:
if segdata_len % encrypt_blk_size != 0:
segdata_len = segdata_len + encrypt_blk_size - segdata_len % encrypt_blk_size
while send_len < segdata_len:
left = segdata_len - send_len
if left > 4080:
left = 4080
ret, dmy = self.boot_process_one_section('load_seg_data', left)
if ret.startswith('OK') is False:
return (ret, bootinfo)
send_len = send_len + left
bflb_utils.printf(send_len, '/', segdata_len)
if self._callback is not None:
self._callback(send_len, segdata_len, sys._getframe().f_code.co_name)
segs = segs + 1
ret, dmy = self.boot_process_one_section('check_image', 0)
return (
ret, bootinfo)
def img_get_bootinfo(self, sh_baudrate, wk_baudrate, callback=None, do_reset=False, reset_hold_time=100, shake_hand_delay=100, reset_revert=True, cutoff_time=0, shake_hand_retry=2, isp_mode_sign=False, isp_timeout=0, boot_load=True):
bflb_utils.printf('========= image get bootinfo =========')
ret = self.img_load_shake_hand(sh_baudrate, wk_baudrate, do_reset, reset_hold_time, shake_hand_delay, reset_revert, cutoff_time, shake_hand_retry, isp_mode_sign, isp_timeout, boot_load)
if ret == 'shake hand fail' or ret == 'change rate fail':
bflb_utils.printf('shake hand fail')
self.bflb_serial_object.close()
return (False, b'')
time.sleep(0.5)
ret, data_read = self.boot_process_one_section('get_boot_info', 0)
if ret.startswith('OK') is False:
bflb_utils.printf('get_boot_info no ok')
return (
ret, b'')
data_read = binascii.hexlify(data_read)
bflb_utils.printf('data read is ', data_read)
return (
True, data_read)
def img_loader_reset_cpu(self):
bflb_utils.printf('========= reset cpu =========')
ret, data_read = self.boot_process_one_section('reset', 0)
if ret.startswith('OK') is False:
bflb_utils.printf('reset cpu fail')
return False
return True
def img_load_process(self, sh_baudrate, wk_baudrate, callback=None, do_reset=False, reset_hold_time=100, shake_hand_delay=100, reset_revert=True, cutoff_time=0, shake_hand_retry=2, isp_mode_sign=False, isp_timeout=0, boot_load=True, record_bootinfo=None):
bflb_utils.printf('========= image load =========')
success = True
bootinfo = None
try:
ret = self.img_load_shake_hand(sh_baudrate, wk_baudrate, do_reset, reset_hold_time, shake_hand_delay, reset_revert, cutoff_time, shake_hand_retry, isp_mode_sign, isp_timeout, boot_load)
if ret == 'shake hand fail' or ret == 'change rate fail':
bflb_utils.printf('shake hand fail')
self.bflb_serial_object.close()
return (
False, bootinfo, ret)
time.sleep(0.01)
if self._eflash_loader_file1 is not None:
if self._eflash_loader_file1 != '':
res, bootinfo = self.img_load_main_process(self._eflash_loader_file1, 0, record_bootinfo)
if res.startswith('OK') is False:
if res.startswith('repeat_burn') is True:
return (False, bootinfo, res)
bflb_utils.printf('Img load fail')
if res.startswith('error_shakehand') is True:
bflb_utils.printf('shakehand with eflash loader found')
return (False, bootinfo, res)
if self._eflash_loader_file2 is not None:
if self._eflash_loader_file2 != '':
res, bootinfo = self.img_load_main_process(self._eflash_loader_file2, 1, record_bootinfo)
if res.startswith('OK') is False:
if res.startswith('repeat_burn') is True:
return (False, bootinfo, res)
bflb_utils.printf('Img load fail')
if res.startswith('error_shakehand') is True:
bflb_utils.printf('shakehand with eflash loader found')
return (False, bootinfo, res)
bflb_utils.printf('Run img')
self._imge_fp.close()
res, dmy = self.boot_process_one_section('run_image', 0)
if res.startswith('OK') is False:
bflb_utils.printf('Img run fail')
success = False
time.sleep(0.1)
except Exception as e:
try:
bflb_utils.printf(e)
traceback.print_exc(limit=5, file=(sys.stdout))
return (
False, bootinfo, '')
finally:
e = None
del e
return (
success, bootinfo, '')
if __name__ == '__main__':
img_load_t = BflbImgLoader()
if len(sys.argv) == 3:
img_load_t.img_load_process(sys.argv[1], 115200, 115200, sys.argv[2], '')
else:
if len(sys.argv) == 4:
img_load_t.img_load_process(sys.argv[1], 115200, 115200, sys.argv[2], sys.argv[3])
# okay decompiling ./libs/base/bflb_img_loader.pyc