mirror of
https://github.com/firestar5683/StarPilot.git
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firestar5683
22a8575199
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.
58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
import os
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import enum
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import hashlib
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from typing import NamedTuple
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BASEDIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../")
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FW_PATH = os.path.join(BASEDIR, "board/obj/")
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def compute_version_hash(filepath):
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with open(filepath, "rb") as f:
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# Normalize line endings on Windows
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return int.from_bytes(hashlib.sha256(f.read().replace(b'\r', b'')).digest()[:4], 'little')
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USBPACKET_MAX_SIZE = 0x40
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class McuConfig(NamedTuple):
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mcu: str
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mcu_idcode: int
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sector_sizes: list[int]
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sector_count: int # total sector count, used for MCU identification in DFU mode
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uid_address: int
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block_size: int
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serial_number_address: int
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app_address: int
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app_fn: str
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bootstub_address: int
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bootstub_fn: str
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def sector_address(self, i):
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# assume bootstub is in sector 0
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return self.bootstub_address + sum(self.sector_sizes[:i])
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H7Config = McuConfig(
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"STM32H7",
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0x483,
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[0x20000 for _ in range(7)],
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8,
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0x1FF1E800,
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0x400,
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# there is an 8th sector, but we use that for the provisioning chunk, so don't program over that!
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0x080FFFC0,
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0x8020000,
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"panda_h7.bin.signed",
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0x8000000,
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"bootstub.panda_h7.bin",
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)
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@enum.unique
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class McuType(enum.Enum):
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H7 = H7Config
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@property
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def config(self):
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return self.value
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MCU_TYPE_BY_IDCODE = {m.config.mcu_idcode: m for m in McuType}
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