243 lines
7.8 KiB
Python
Executable File
243 lines
7.8 KiB
Python
Executable File
#!/usr/bin/env python3
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import logging
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import argparse
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import subprocess
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import os
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import sys
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import re
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import struct
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import datetime
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OTP_MAGIC = 0xBABE
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OTP_VERSION = 0x02
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OTP_RESERVED = 0x00
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OTP_COLORS = {
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"unknown": 0x00,
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"black": 0x01,
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"white": 0x02,
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}
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OTP_REGIONS = {
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"unknown": 0x00,
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"eu_ru": 0x01,
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"us_ca_au": 0x02,
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"jp": 0x03,
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}
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OTP_DISPLAYS = {
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"unknown": 0x00,
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"erc": 0x01,
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"mgg": 0x02,
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}
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class Main:
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def __init__(self):
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# command args
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self.parser = argparse.ArgumentParser()
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self.parser.add_argument("-d", "--debug", action="store_true", help="Debug")
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self.subparsers = self.parser.add_subparsers(help="sub-command help")
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# Generate All
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self.parser_generate_all = self.subparsers.add_parser(
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"generate", help="Generate OTP binary"
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)
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self._add_first_args(self.parser_generate_all)
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self._add_second_args(self.parser_generate_all)
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self.parser_generate_all.add_argument("file", help="Output file")
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self.parser_generate_all.set_defaults(func=self.generate_all)
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# Flash First
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self.parser_flash_first = self.subparsers.add_parser(
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"flash_first", help="Flash first block of OTP to device"
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)
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self._add_swd_args(self.parser_flash_first)
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self._add_first_args(self.parser_flash_first)
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self.parser_flash_first.set_defaults(func=self.flash_first)
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# Flash Second
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self.parser_flash_second = self.subparsers.add_parser(
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"flash_second", help="Flash second block of OTP to device"
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)
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self._add_swd_args(self.parser_flash_second)
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self._add_second_args(self.parser_flash_second)
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self.parser_flash_second.set_defaults(func=self.flash_second)
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# Flash All
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self.parser_flash_all = self.subparsers.add_parser(
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"flash_all", help="Flash OTP to device"
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)
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self._add_swd_args(self.parser_flash_all)
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self._add_first_args(self.parser_flash_all)
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self._add_second_args(self.parser_flash_all)
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self.parser_flash_all.set_defaults(func=self.flash_all)
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# logging
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self.logger = logging.getLogger()
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self.timestamp = datetime.datetime.now().timestamp()
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def __call__(self):
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self.args = self.parser.parse_args()
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if "func" not in self.args:
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self.parser.error("Choose something to do")
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# configure log output
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self.log_level = logging.DEBUG if self.args.debug else logging.INFO
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self.logger.setLevel(self.log_level)
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self.handler = logging.StreamHandler(sys.stdout)
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self.handler.setLevel(self.log_level)
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self.formatter = logging.Formatter("%(asctime)s [%(levelname)s] %(message)s")
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self.handler.setFormatter(self.formatter)
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self.logger.addHandler(self.handler)
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# execute requested function
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self.args.func()
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def _add_swd_args(self, parser):
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parser.add_argument(
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"--port", type=str, help="Port to connect: swd or usb1", default="swd"
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)
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def _add_first_args(self, parser):
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parser.add_argument("--version", type=int, help="Version", required=True)
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parser.add_argument("--firmware", type=int, help="Firmware", required=True)
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parser.add_argument("--body", type=int, help="Body", required=True)
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parser.add_argument("--connect", type=int, help="Connect", required=True)
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parser.add_argument("--display", type=str, help="Display", required=True)
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def _add_second_args(self, parser):
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parser.add_argument("--color", type=str, help="Color", required=True)
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parser.add_argument("--region", type=str, help="Region", required=True)
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parser.add_argument("--name", type=str, help="Name", required=True)
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def _process_first_args(self):
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if self.args.display not in OTP_DISPLAYS:
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self.parser.error(f"Invalid display. Use one of {OTP_DISPLAYS.keys()}")
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self.args.display = OTP_DISPLAYS[self.args.display]
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def _process_second_args(self):
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if self.args.color not in OTP_COLORS:
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self.parser.error(f"Invalid color. Use one of {OTP_COLORS.keys()}")
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self.args.color = OTP_COLORS[self.args.color]
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if self.args.region not in OTP_REGIONS:
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self.parser.error(f"Invalid region. Use one of {OTP_REGIONS.keys()}")
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self.args.region = OTP_REGIONS[self.args.region]
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if len(self.args.name) > 8:
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self.parser.error("Name is too long. Max 8 symbols.")
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if re.match(r"^[a-zA-Z0-9.]+$", self.args.name) is None:
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self.parser.error(
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"Name contains incorrect symbols. Only a-zA-Z0-9 allowed."
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)
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def _pack_first(self):
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return struct.pack(
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"<" "HBBL" "BBBBBBH",
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OTP_MAGIC,
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OTP_VERSION,
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OTP_RESERVED,
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int(self.timestamp),
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self.args.version,
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self.args.firmware,
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self.args.body,
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self.args.connect,
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self.args.display,
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OTP_RESERVED,
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OTP_RESERVED,
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)
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def _pack_second(self):
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return struct.pack(
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"<" "BBHL" "8s",
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self.args.color,
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self.args.region,
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OTP_RESERVED,
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OTP_RESERVED,
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self.args.name.encode("ascii"),
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)
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def generate_all(self):
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self.logger.debug(f"Generating OTP")
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self._process_first_args()
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self._process_second_args()
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open(f"{self.args.file}_first.bin", "wb").write(self._pack_first())
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open(f"{self.args.file}_second.bin", "wb").write(self._pack_second())
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def flash_first(self):
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self.logger.debug(f"Flashing first block of OTP")
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self._process_first_args()
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filename = f"otp_unknown_first_{self.timestamp}.bin"
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file = open(filename, "wb")
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file.write(self._pack_first())
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file.close()
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self._flash_bin("0x1FFF7000", filename)
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os.remove(filename)
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def flash_second(self):
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self.logger.debug(f"Flashing second block of OTP")
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self._process_second_args()
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filename = f"otp_{self.args.name}_second_{self.timestamp}.bin"
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file = open(filename, "wb")
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file.write(self._pack_second())
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file.close()
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self._flash_bin("0x1FFF7010", filename)
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os.remove(filename)
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def flash_all(self):
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self.logger.debug(f"Flashing OTP")
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self._process_first_args()
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self._process_second_args()
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filename = f"otp_{self.args.name}_whole_{self.timestamp}.bin"
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file = open(filename, "wb")
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file.write(self._pack_first())
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file.write(self._pack_second())
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file.close()
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self._flash_bin("0x1FFF7000", filename)
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os.remove(filename)
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def _flash_bin(self, address, filename):
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self.logger.debug(f"Programming {filename} at {address}")
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try:
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output = subprocess.check_output(
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[
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"STM32_Programmer_CLI",
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"-q",
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"-c",
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f"port={self.args.port}",
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"-d",
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filename,
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f"{address}",
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]
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)
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assert output
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self.logger.info(f"Success")
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except subprocess.CalledProcessError as e:
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self.logger.error(e.output.decode())
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self.logger.error(f"Failed to call STM32_Programmer_CLI")
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return
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except Exception as e:
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self.logger.error(f"Failed to call STM32_Programmer_CLI")
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self.logger.exception(e)
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return
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# reboot
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subprocess.check_output(
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[
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"STM32_Programmer_CLI",
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"-q",
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"-c",
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f"port={self.args.port}",
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]
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)
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if __name__ == "__main__":
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Main()()
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