def flash_binary(fdesc, binary, base_address, device_class, destinations,
page_size=2048):
"""
Writes a full binary to the flash using the given file descriptor.
It also takes the binary image, the base address and the device class as
parameters.
"""
print("Erasing pages...")
pbar = progressbar.ProgressBar(maxval=len(binary)).start()
# First erase all pages
for offset in range(0, len(binary), page_size):
erase_command = commands.encode_erase_flash_page(base_address + offset,
device_class)
res = utils.write_command_retry(fdesc, erase_command, destinations)
failed_boards = [str(id) for id, success in res.items()
if not msgpack.unpackb(success)]
if failed_boards:
msg = ", ".join(failed_boards)
msg = "Boards {} failed during page erase, aborting...".format(msg)
logging.critical(msg)
sys.exit(2)
pbar.update(offset)
pbar.finish()
print("Writing pages...")
pbar = progressbar.ProgressBar(maxval=len(binary)).start()
# Then write all pages in chunks
for offset, chunk in enumerate(page.slice_into_pages(binary, page_size)):
offset *= page_size
command = commands.encode_write_flash(chunk,
base_address + offset,
device_class)
res = utils.write_command_retry(fdesc, command, destinations)
failed_boards = [str(id) for id, success in res.items()
if not msgpack.unpackb(success)]
if failed_boards:
msg = ", ".join(failed_boards)
msg = "Boards {} failed during page write, aborting...".format(msg)
logging.critical(msg)
sys.exit(2)
pbar.update(offset)
pbar.finish()
# Finally update application CRC and size in config
config = dict()
config['application_size'] = len(binary)
config['application_crc'] = crc32(binary)
utils.config_update_and_save(fdesc, config, destinations)
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
config = {"ID": args.new}
utils.write_command_retry(
connection, commands.encode_update_config(config), [args.old]
)
utils.write_command_retry(connection, commands.encode_save_config(), [args.new])
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
config = {"ID": args.new}
utils.write_command_retry(connection,
commands.encode_update_config(config),
[args.old])
utils.write_command_retry(connection,
commands.encode_save_config(),
[args.new])
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all:
scan_queue = list()
# Broadcast ping
utils.write_command(connection, commands.encode_ping(),
list(range(1, 128)))
reader = utils.read_can_datagrams(connection)
while True:
dt = next(reader)
if dt is None: # Timeout
break
_, _, src = dt
scan_queue.append(src)
else:
scan_queue = args.ids
# Broadcast ask for config
configs = utils.write_command_retry(connection,
commands.encode_read_config(),
scan_queue)
for id, raw_config in configs.items():
configs[id] = msgpack.unpackb(raw_config, encoding="ascii")
print(json.dumps(configs, indent=4, sort_keys=True))
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all:
scan_queue = list()
# Broadcast ping
utils.write_command(connection, commands.encode_ping(), list(range(1, 128)))
reader = utils.read_can_datagrams(connection)
while True:
dt = next(reader)
if dt is None: # Timeout
break
_, _, src = dt
scan_queue.append(src)
else:
scan_queue = args.ids
# Broadcast ask for config
configs = utils.write_command_retry(connection,
commands.encode_read_config(),
scan_queue)
for id, raw_config in configs.items():
configs[id] = msgpack.unpackb(raw_config, encoding='ascii')
print(json.dumps(configs, indent=4, sort_keys=True))