remove useless section in upload bms firmware for Salimax
This commit is contained in:
parent
4d0d2e1404
commit
4d84a0534a
|
|
@ -32,21 +32,6 @@ logging.basicConfig(level=logging.INFO)
|
|||
if False:
|
||||
from typing import List, NoReturn, Iterable, Optional
|
||||
|
||||
|
||||
class LockTTY(object):
|
||||
|
||||
def __init__(self, tty):
|
||||
# type: (str) -> None
|
||||
self.tty = tty
|
||||
|
||||
def __enter__(self):
|
||||
system(SERIAL_STARTER_DIR + 'stop-tty.sh ' + self.tty)
|
||||
return self
|
||||
|
||||
def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
system(SERIAL_STARTER_DIR + 'start-tty.sh ' + self.tty)
|
||||
|
||||
|
||||
def calc_stm32_crc_round(crc, data):
|
||||
# type: (int, int) -> int
|
||||
crc = crc ^ data
|
||||
|
|
|
|||
|
|
@ -32,21 +32,6 @@ logging.basicConfig(level=logging.INFO)
|
|||
if False:
|
||||
from typing import List, NoReturn, Iterable, Optional
|
||||
|
||||
|
||||
class LockTTY(object):
|
||||
|
||||
def __init__(self, tty):
|
||||
# type: (str) -> None
|
||||
self.tty = tty
|
||||
|
||||
def __enter__(self):
|
||||
system(SERIAL_STARTER_DIR + 'stop-tty.sh ' + self.tty)
|
||||
return self
|
||||
|
||||
def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
system(SERIAL_STARTER_DIR + 'start-tty.sh ' + self.tty)
|
||||
|
||||
|
||||
def calc_stm32_crc_round(crc, data):
|
||||
# type: (int, int) -> int
|
||||
crc = crc ^ data
|
||||
|
|
|
|||
|
|
@ -1,303 +0,0 @@
|
|||
#!/usr/bin/python2 -u
|
||||
# coding=utf-8
|
||||
|
||||
import os
|
||||
import struct
|
||||
from time import sleep
|
||||
|
||||
import serial
|
||||
from os import system
|
||||
import logging
|
||||
|
||||
from pymodbus.client import ModbusSerialClient as Modbus
|
||||
from pymodbus.exceptions import ModbusIOException
|
||||
from pymodbus.pdu import ModbusResponse
|
||||
from os.path import dirname, abspath
|
||||
from sys import path, argv, exit
|
||||
|
||||
path.append(dirname(dirname(abspath(__file__))))
|
||||
|
||||
PAGE_SIZE = 0x100
|
||||
HALF_PAGE =int( PAGE_SIZE / 2)
|
||||
WRITE_ENABLE = [1]
|
||||
FIRMWARE_VERSION_REGISTER = 1054
|
||||
|
||||
ERASE_FLASH_REGISTER = 0x2084
|
||||
RESET_REGISTER = 0x2087
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
|
||||
|
||||
# trick the pycharm type-checker into thinking Callable is in scope, not used at runtime
|
||||
# noinspection PyUnreachableCode
|
||||
if False:
|
||||
from typing import List, NoReturn, Iterable, Optional
|
||||
|
||||
|
||||
class LockTTY(object):
|
||||
|
||||
def __init__(self, tty):
|
||||
# type: (str) -> None
|
||||
self.tty = tty
|
||||
|
||||
def __enter__(self):
|
||||
system(SERIAL_STARTER_DIR + 'stop-tty.sh ' + self.tty)
|
||||
return self
|
||||
|
||||
def __exit__(self, exc_type, exc_val, exc_tb):
|
||||
system(SERIAL_STARTER_DIR + 'start-tty.sh ' + self.tty)
|
||||
|
||||
|
||||
def calc_stm32_crc_round(crc, data):
|
||||
# type: (int, int) -> int
|
||||
crc = crc ^ data
|
||||
for _ in range(32):
|
||||
xor = (crc & 0x80000000) != 0
|
||||
crc = (crc & 0x7FFFFFFF) << 1 # clear bit 31 because python ints have "infinite" bits
|
||||
if xor:
|
||||
crc = crc ^ 0x04C11DB7
|
||||
|
||||
return crc
|
||||
|
||||
|
||||
def calc_stm32_crc(data):
|
||||
# type: (Iterable[int]) -> int
|
||||
crc = 0xFFFFFFFF
|
||||
|
||||
for dw in data:
|
||||
crc = calc_stm32_crc_round(crc, dw)
|
||||
|
||||
return crc
|
||||
|
||||
|
||||
def init_modbus(tty):
|
||||
# type: (str) -> Modbus
|
||||
|
||||
return Modbus(
|
||||
port='/dev/' + tty,
|
||||
method='rtu',
|
||||
baudrate=115200,
|
||||
stopbits=1,
|
||||
bytesize=8,
|
||||
timeout=0.5, # seconds
|
||||
parity=serial.PARITY_ODD)
|
||||
|
||||
|
||||
def failed(response):
|
||||
# type: (ModbusResponse) -> bool
|
||||
|
||||
# Todo 'ModbusIOException' object has no attribute 'function_code'
|
||||
return response.function_code > 0x80
|
||||
|
||||
|
||||
def clear_flash(modbus, slave_address):
|
||||
# type: (Modbus, int) -> bool
|
||||
|
||||
print ('erasing flash...')
|
||||
|
||||
write_response = modbus.write_registers(address=0x2084, values=[1], slave=slave_address)
|
||||
|
||||
if failed(write_response):
|
||||
print('erasing flash FAILED')
|
||||
return False
|
||||
|
||||
flash_countdown = 17
|
||||
while flash_countdown > 0:
|
||||
read_response = modbus.read_holding_registers(address=0x2085, count=1, slave=slave_address)
|
||||
|
||||
if failed(read_response):
|
||||
print('erasing flash FAILED')
|
||||
return False
|
||||
|
||||
if read_response.registers[0] != flash_countdown:
|
||||
flash_countdown = read_response.registers[0]
|
||||
|
||||
msg = str(100 * (16 - flash_countdown) / 16) + '%'
|
||||
print('\r{0} '.format(msg), end=' ')
|
||||
|
||||
print('done!')
|
||||
|
||||
return True
|
||||
|
||||
|
||||
# noinspection PyShadowingBuiltins
|
||||
def bytes_to_words(bytes):
|
||||
# type: (str) -> List[int]
|
||||
return list(struct.unpack('>' + int(len(bytes)/2) * 'H', bytes))
|
||||
|
||||
|
||||
def send_half_page_1(modbus, slave_address, data, page):
|
||||
# type: (Modbus, int, str, int) -> NoReturn
|
||||
|
||||
first_half = [page] + bytes_to_words(data[:HALF_PAGE])
|
||||
write_first_half = modbus.write_registers(0x2000, first_half, slave=slave_address)
|
||||
|
||||
if failed(write_first_half):
|
||||
raise Exception("Failed to write page " + str(page))
|
||||
|
||||
|
||||
def send_half_page_2(modbus, slave_address, data, page):
|
||||
# type: (Modbus, int, str, int) -> NoReturn
|
||||
|
||||
registers = bytes_to_words(data[HALF_PAGE:]) + calc_crc(page, data) + WRITE_ENABLE
|
||||
result = modbus.write_registers(0x2041, registers, slave=slave_address)
|
||||
|
||||
if failed(result):
|
||||
raise Exception("Failed to write page " + str(page))
|
||||
|
||||
|
||||
def get_fw_name(fw_path):
|
||||
# type: (str) -> str
|
||||
return fw_path.split('/')[-1].split('.')[0]
|
||||
|
||||
|
||||
def upload_fw(modbus, slave_id, fw_path, fw_name):
|
||||
# type: (Modbus, int, str, str) -> NoReturn
|
||||
|
||||
with open(fw_path, "rb") as f:
|
||||
|
||||
size = os.fstat(f.fileno()).st_size
|
||||
n_pages = int(size / PAGE_SIZE)
|
||||
|
||||
print('uploading firmware ' + fw_name + ' to BMS ...')
|
||||
|
||||
for page in range(0, n_pages):
|
||||
page_data = f.read(PAGE_SIZE)
|
||||
|
||||
msg = "page " + str(page + 1) + '/' + str(n_pages) + ' ' + str(100 * page / n_pages + 1) + '%'
|
||||
print('\r{0} '.format(msg), end=' ')
|
||||
|
||||
if is_page_empty(page_data):
|
||||
continue
|
||||
sleep(0.01)
|
||||
send_half_page_1(modbus, slave_id, page_data, page)
|
||||
sleep(0.01)
|
||||
send_half_page_2(modbus, slave_id, page_data, page)
|
||||
|
||||
|
||||
def is_page_empty(page):
|
||||
# type: (str) -> bool
|
||||
return page.count(b'\xff') == len(page)
|
||||
|
||||
|
||||
def reset_bms(modbus, slave_id):
|
||||
# type: (Modbus, int) -> bool
|
||||
|
||||
print ('resetting BMS...')
|
||||
|
||||
result = modbus.write_registers(RESET_REGISTER, [1], slave=slave_id)
|
||||
|
||||
# expecting a ModbusIOException (timeout)
|
||||
# BMS can no longer reply because it is already reset
|
||||
success = isinstance(result, ModbusIOException)
|
||||
|
||||
if success:
|
||||
print('done')
|
||||
else:
|
||||
print('FAILED to reset battery!')
|
||||
|
||||
return success
|
||||
|
||||
|
||||
def calc_crc(page, data):
|
||||
# type: (int, str) -> List[int]
|
||||
|
||||
crc = calc_stm32_crc([page] + bytes_to_words(data))
|
||||
crc_bytes = struct.pack('>L', crc)
|
||||
|
||||
return bytes_to_words(crc_bytes)
|
||||
|
||||
|
||||
def identify_battery(modbus, slave_id):
|
||||
# type: (Modbus, int) -> Optional[str]
|
||||
print("slave id=",slave_id)
|
||||
target = 'battery ' + str(slave_id) + ' at ' + '502'
|
||||
|
||||
try:
|
||||
|
||||
print(('contacting ...'))
|
||||
|
||||
response = modbus.read_input_registers(address=FIRMWARE_VERSION_REGISTER, count=1, slave=slave_id)
|
||||
fw = '{0:0>4X}'.format(response.registers[0])
|
||||
|
||||
print(('found battery with firmware ' + fw))
|
||||
|
||||
return fw
|
||||
|
||||
except:
|
||||
print(('failed to communicate with '))
|
||||
return None
|
||||
|
||||
|
||||
def print_usage():
|
||||
print(('Usage: ' + __file__ + ' <serial device> <battery id> <firmware>'))
|
||||
print(('Example: ' + __file__ + ' ttyUSB0 2 A08C.bin'))
|
||||
|
||||
|
||||
def parse_cmdline_args(argv):
|
||||
# type: (List[str]) -> (str, str, str, str)
|
||||
|
||||
def fail_with(msg):
|
||||
print(msg)
|
||||
print_usage()
|
||||
exit(1)
|
||||
|
||||
if len(argv) < 1:
|
||||
fail_with('missing argument for tty device')
|
||||
|
||||
if len(argv) < 2:
|
||||
fail_with('missing argument for battery ID')
|
||||
|
||||
if len(argv) < 3:
|
||||
fail_with('missing argument for firmware')
|
||||
|
||||
return argv[0], int(argv[1]), argv[2], get_fw_name(argv[2])
|
||||
|
||||
|
||||
def verify_firmware(modbus, battery_id, fw_name):
|
||||
# type: (Modbus, int, str) -> NoReturn
|
||||
|
||||
fw_verify = identify_battery(modbus, battery_id)
|
||||
|
||||
if fw_verify == fw_name:
|
||||
print('SUCCESS')
|
||||
else:
|
||||
print('FAILED to verify uploaded firmware!')
|
||||
if fw_verify is not None:
|
||||
print('expected firmware version ' + fw_name + ' but got ' + fw_verify)
|
||||
|
||||
|
||||
def wait_for_bms_reboot():
|
||||
# type: () -> NoReturn
|
||||
|
||||
# wait 20s for the battery to reboot
|
||||
|
||||
print('waiting for BMS to reboot...')
|
||||
|
||||
for t in range(20, 0, -1):
|
||||
print('\r{0} '.format(t), end=' ')
|
||||
sleep(1)
|
||||
|
||||
print('0')
|
||||
|
||||
|
||||
def main(argv):
|
||||
# type: (List[str]) -> NoReturn
|
||||
|
||||
tty, battery_id, fw_path, fw_name = parse_cmdline_args(argv)
|
||||
with init_modbus(tty) as modbus:
|
||||
|
||||
if identify_battery(modbus, battery_id) is None:
|
||||
return
|
||||
|
||||
clear_flash(modbus, battery_id)
|
||||
upload_fw(modbus, battery_id, fw_path, fw_name)
|
||||
|
||||
if not reset_bms(modbus, battery_id):
|
||||
return
|
||||
|
||||
wait_for_bms_reboot()
|
||||
|
||||
verify_firmware(modbus, battery_id, fw_name)
|
||||
|
||||
|
||||
main(argv[1:])
|
||||
Loading…
Reference in New Issue