Files
StarPilot/panda/python/constants.py
T
firestar5683 22a8575199 Vendor dependencies and resources for standalone builds
Keep official openpilot ancestry and dependency licenses. Store resources directly in Git, remove LFS setup requirements, and leave the downloadable big model outside the source tree.
2026-10-03 21:01:18 +00:00

58 lines
1.3 KiB
Python

import os
import enum
import hashlib
from typing import NamedTuple
BASEDIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../")
FW_PATH = os.path.join(BASEDIR, "board/obj/")
def compute_version_hash(filepath):
with open(filepath, "rb") as f:
# Normalize line endings on Windows
return int.from_bytes(hashlib.sha256(f.read().replace(b'\r', b'')).digest()[:4], 'little')
USBPACKET_MAX_SIZE = 0x40
class McuConfig(NamedTuple):
mcu: str
mcu_idcode: int
sector_sizes: list[int]
sector_count: int # total sector count, used for MCU identification in DFU mode
uid_address: int
block_size: int
serial_number_address: int
app_address: int
app_fn: str
bootstub_address: int
bootstub_fn: str
def sector_address(self, i):
# assume bootstub is in sector 0
return self.bootstub_address + sum(self.sector_sizes[:i])
H7Config = McuConfig(
"STM32H7",
0x483,
[0x20000 for _ in range(7)],
8,
0x1FF1E800,
0x400,
# there is an 8th sector, but we use that for the provisioning chunk, so don't program over that!
0x080FFFC0,
0x8020000,
"panda_h7.bin.signed",
0x8000000,
"bootstub.panda_h7.bin",
)
@enum.unique
class McuType(enum.Enum):
H7 = H7Config
@property
def config(self):
return self.value
MCU_TYPE_BY_IDCODE = {m.config.mcu_idcode: m for m in McuType}