def main():
argparser = argparse.ArgumentParser(description="IAP downloader for hm51")
argparser.add_argument(
'-s',
'--sent-bytes-dump-file',
dest='sent_bytes_dump_file',
help=
'simulate a promgramming process, store the sent bytes to the file',
action='store',
type=argparse.FileType('wb'),
default=None)
argparser.add_argument(
'-r',
'--expected-received-bytes-dump-file',
dest='expected_received_bytes_dump_file',
help=
'simulate a promgramming process, store the expected received bytes to the file',
action='store',
type=argparse.FileType('wb'),
default=None)
argparser.add_argument('-p',
'--port',
dest='port',
help='target port',
action='store')
argparser.add_argument('-b',
'--baudrate',
dest='baudrate',
help='target baudrate',
action='store',
type=int,
default=62500)
argparser.add_argument(
'-f',
'--file',
dest='file',
help=
'the ROM file, the file with suffix of "hex" or "ihex" will be decoded as intel hex format'
', otherwise it will be read as binary.',
action='store')
argparser.add_argument(
'--test',
dest='test',
nargs=2,
type=lambda s: int(s, 0),
metavar=('START_ADDR', 'END_ADDR'),
help=
'test the ROM by filling it with generated data, first int is start address'
', second argument is end address. end address is als included',
action='store')
argparser.add_argument('-t',
'--timeout',
dest='timeout',
help='target baud rate',
action='store',
type=float,
default=1)
p = argparser.parse_args()
print(">> connecting device...")
if p.sent_bytes_dump_file is None and p.expected_received_bytes_dump_file is None:
print("chose a real device.")
s = Serial(port=p.port, baudrate=p.baudrate, timeout=0.001)
s = ByteIOProtocolCodec(s, ROM_tWC, p.timeout)
else:
print("chose 'dumping to file'.")
s = DumpProtocolCodec(ROM_tWC, p.sent_bytes_dump_file,
p.expected_received_bytes_dump_file)
print("[OK]")
print(">> handshaking...")
for i in range(RETRY_HANDSHAKE):
try:
s.handshake(SEQ_HANDSHAKE)
break
except ProtocolCodecTimeoutException as e:
print("[INFO] no response, retry.")
if i + 1 == RETRY_HANDSHAKE:
print("[ERROR] handshake failed after retrying {} times.".format(
RETRY_HANDSHAKE))
exit(-1)
print("[OK]")
print(">> proramming the ROM...")
data = None
if p.test:
start_address = p.test[0]
end_address = p.test[1]
print('test the ROM at range 0x{:4>0X}-0x{:4>0X}'.format(
start_address, end_address))
data = []
for i in range(end_address - start_address + 1):
i %= 257
data.append((i) % 256)
data = {start_address: data}
else:
if pathlib.Path(p.file).suffix in ('.hex', '.ihex'):
print('load ihex file "{}"'.format(p.file))
with open(p.file, 'r') as f:
data = decode_ihex(f.read())
else:
print('load binary file "{}"'.format(p.file))
with open(p.file, "rb") as f:
data = {0: f.read()}
programming_file(s, data)
s.exit()
print("[END]")
