flipperzero-firmware/scripts/otp.py

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#!/usr/bin/env python3
import logging
import argparse
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import subprocess
import os
import sys
import re
import struct
import datetime
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OTP_MAGIC = 0xBABE
OTP_VERSION = 0x02
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OTP_RESERVED = 0x00
OTP_COLORS = {
"unknown": 0x00,
"black": 0x01,
"white": 0x02,
}
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OTP_REGIONS = {
"unknown": 0x00,
"eu_ru": 0x01,
"us_ca_au": 0x02,
"jp": 0x03,
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}
OTP_DISPLAYS = {
"unknown": 0x00,
"erc": 0x01,
"mgg": 0x02,
}
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from flipper.app import App
from flipper.cube import CubeProgrammer
class Main(App):
def init(self):
# SubParsers
self.subparsers = self.parser.add_subparsers(help="sub-command help")
# Generate All
self.parser_generate_all = self.subparsers.add_parser(
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"generate", help="Generate OTP binary"
)
self._addFirstArgs(self.parser_generate_all)
self._addSecondArgs(self.parser_generate_all)
self.parser_generate_all.add_argument("file", help="Output file")
self.parser_generate_all.set_defaults(func=self.generate_all)
# Flash First
self.parser_flash_first = self.subparsers.add_parser(
"flash_first", help="Flash first block of OTP to device"
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)
self._addArgsSWD(self.parser_flash_first)
self._addFirstArgs(self.parser_flash_first)
self.parser_flash_first.set_defaults(func=self.flash_first)
# Flash Second
self.parser_flash_second = self.subparsers.add_parser(
"flash_second", help="Flash second block of OTP to device"
)
self._addArgsSWD(self.parser_flash_second)
self._addSecondArgs(self.parser_flash_second)
self.parser_flash_second.set_defaults(func=self.flash_second)
# Flash All
self.parser_flash_all = self.subparsers.add_parser(
"flash_all", help="Flash OTP to device"
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)
self._addArgsSWD(self.parser_flash_all)
self._addFirstArgs(self.parser_flash_all)
self._addSecondArgs(self.parser_flash_all)
self.parser_flash_all.set_defaults(func=self.flash_all)
# logging
self.logger = logging.getLogger()
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self.timestamp = datetime.datetime.now().timestamp()
def _addArgsSWD(self, parser):
parser.add_argument(
"--port", type=str, help="Port to connect: swd or usb1", default="swd"
)
parser.add_argument("--serial", type=str, help="ST-Link Serial Number")
def _getCubeParams(self):
return {
"port": self.args.port,
"serial": self.args.serial,
}
def _addFirstArgs(self, parser):
parser.add_argument("--version", type=int, help="Version", required=True)
parser.add_argument("--firmware", type=int, help="Firmware", required=True)
parser.add_argument("--body", type=int, help="Body", required=True)
parser.add_argument("--connect", type=int, help="Connect", required=True)
parser.add_argument("--display", type=str, help="Display", required=True)
def _addSecondArgs(self, parser):
parser.add_argument("--color", type=str, help="Color", required=True)
parser.add_argument("--region", type=str, help="Region", required=True)
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parser.add_argument("--name", type=str, help="Name", required=True)
def _processFirstArgs(self):
if self.args.display not in OTP_DISPLAYS:
self.parser.error(f"Invalid display. Use one of {OTP_DISPLAYS.keys()}")
self.args.display = OTP_DISPLAYS[self.args.display]
def _processSecondArgs(self):
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if self.args.color not in OTP_COLORS:
self.parser.error(f"Invalid color. Use one of {OTP_COLORS.keys()}")
self.args.color = OTP_COLORS[self.args.color]
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if self.args.region not in OTP_REGIONS:
self.parser.error(f"Invalid region. Use one of {OTP_REGIONS.keys()}")
self.args.region = OTP_REGIONS[self.args.region]
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if len(self.args.name) > 8:
self.parser.error("Name is too long. Max 8 symbols.")
if re.match(r"^[a-zA-Z0-9.]+$", self.args.name) is None:
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self.parser.error(
"Name contains incorrect symbols. Only a-zA-Z0-9 allowed."
)
def _packFirst(self):
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return struct.pack(
"<" "HBBL" "BBBBBBH",
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OTP_MAGIC,
OTP_VERSION,
OTP_RESERVED,
int(self.timestamp),
self.args.version,
self.args.firmware,
self.args.body,
self.args.connect,
self.args.display,
OTP_RESERVED,
OTP_RESERVED,
)
def _packSecond(self):
return struct.pack(
"<" "BBHL" "8s",
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self.args.color,
self.args.region,
OTP_RESERVED,
OTP_RESERVED,
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self.args.name.encode("ascii"),
)
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def generate_all(self):
self.logger.info(f"Generating OTP")
self._processFirstArgs()
self._processSecondArgs()
with open(f"{self.args.file}_first.bin", "wb") as file:
file.write(self._packFirst())
with open(f"{self.args.file}_second.bin", "wb") as file:
file.write(self._packSecond())
self.logger.info(
f"Generated files: {self.args.file}_first.bin and {self.args.file}_second.bin"
)
return 0
def flash_first(self):
self.logger.info(f"Flashing first block of OTP")
self._processFirstArgs()
filename = f"otp_unknown_first_{self.timestamp}.bin"
try:
self.logger.info(f"Packing binary data")
with open(filename, "wb") as file:
file.write(self._packFirst())
self.logger.info(f"Flashing OTP")
cp = CubeProgrammer(self._getCubeParams())
cp.flashBin("0x1FFF7000", filename)
cp.resetTarget()
self.logger.info(f"Flashed Successfully")
os.remove(filename)
except Exception as e:
self.logger.exception(e)
return 1
return 0
def flash_second(self):
self.logger.info(f"Flashing second block of OTP")
self._processSecondArgs()
filename = f"otp_{self.args.name}_second_{self.timestamp}.bin"
try:
self.logger.info(f"Packing binary data")
with open(filename, "wb") as file:
file.write(self._packSecond())
self.logger.info(f"Flashing OTP")
cp = CubeProgrammer(self._getCubeParams())
cp.flashBin("0x1FFF7010", filename)
cp.resetTarget()
self.logger.info(f"Flashed Successfully")
os.remove(filename)
except Exception as e:
self.logger.exception(e)
return 1
return 0
def flash_all(self):
self.logger.info(f"Flashing OTP")
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self._processFirstArgs()
self._processSecondArgs()
filename = f"otp_{self.args.name}_whole_{self.timestamp}.bin"
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try:
self.logger.info(f"Packing binary data")
with open(filename, "wb") as file:
file.write(self._packFirst())
file.write(self._packSecond())
self.logger.info(f"Flashing OTP")
cp = CubeProgrammer(self._getCubeParams())
cp.flashBin("0x1FFF7000", filename)
cp.resetTarget()
self.logger.info(f"Flashed Successfully")
os.remove(filename)
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except Exception as e:
self.logger.exception(e)
return 1
return 0
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if __name__ == "__main__":
Main()()