flipperzero-firmware/scripts/ob.py

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#!/usr/bin/env python3
import logging
import argparse
import subprocess
import sys
import os
class Main:
def __init__(self):
# command args
self.parser = argparse.ArgumentParser()
self.parser.add_argument("-d", "--debug", action="store_true", help="Debug")
self.subparsers = self.parser.add_subparsers(help="sub-command help")
self.parser_check = self.subparsers.add_parser(
"check", help="Check Option Bytes"
)
self.parser_check.set_defaults(func=self.check)
self.parser_set = self.subparsers.add_parser("set", help="Set Option Bytes")
self.parser_set.set_defaults(func=self.set)
# logging
self.logger = logging.getLogger()
# OB
self.ob = {}
def __call__(self):
self.args = self.parser.parse_args()
if "func" not in self.args:
self.parser.error("Choose something to do")
# configure log output
self.log_level = logging.DEBUG if self.args.debug else logging.INFO
self.logger.setLevel(self.log_level)
self.handler = logging.StreamHandler(sys.stdout)
self.handler.setLevel(self.log_level)
self.formatter = logging.Formatter("%(asctime)s [%(levelname)s] %(message)s")
self.handler.setFormatter(self.formatter)
self.logger.addHandler(self.handler)
# execute requested function
self.loadOB()
self.args.func()
def loadOB(self):
self.logger.info(f"Loading Option Bytes data")
file_path = os.path.join(os.path.dirname(sys.argv[0]), "ob.data")
file = open(file_path, "r")
for line in file.readlines():
k, v, o = line.split(":")
self.ob[k.strip()] = v.strip(), o.strip()
def check(self):
self.logger.info(f"Checking Option Bytes")
try:
output = subprocess.check_output(
["STM32_Programmer_CLI", "-q", "-c port=swd", "-ob displ"]
)
assert output
except Exception as e:
self.logger.error(f"Failed to call STM32_Programmer_CLI")
self.logger.exception(e)
return
ob_correct = True
for line in output.decode().split("\n"):
line = line.strip()
if not ":" in line:
self.logger.debug(f"Skipping line: {line}")
continue
key, data = line.split(":", 1)
key = key.strip()
data = data.strip()
if not key in self.ob.keys():
self.logger.debug(f"Skipping key: {key}")
continue
self.logger.debug(f"Processing key: {key} {data}")
value, comment = data.split(" ", 1)
value = value.strip()
comment = comment.strip()
if self.ob[key][0] != value:
self.logger.error(
f"Invalid OB: {key} {value}, expected: {self.ob[key][0]}"
)
ob_correct = False
if ob_correct:
self.logger.info(f"OB Check OK")
else:
self.logger.error(f"OB Check FAIL")
exit(255)
def set(self):
self.logger.info(f"Setting Option Bytes")
options = []
for key, (value, attr) in self.ob.items():
if "w" in attr:
options.append(f"{key}={value}")
try:
output = subprocess.check_output(
[
"STM32_Programmer_CLI",
"-q",
"-c port=swd",
f"-ob {' '.join(options)}",
]
)
assert output
self.logger.info(f"Success")
except Exception as e:
self.logger.error(f"Failed to call STM32_Programmer_CLI")
self.logger.exception(e)
return
if __name__ == "__main__":
Main()()