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dp/panda/python/constants.py

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1.2 KiB
Python

import os
import enum
from typing import List, NamedTuple
BASEDIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../")
FW_PATH = os.path.join(BASEDIR, "board/obj/")
USBPACKET_MAX_SIZE = 0x40
class McuConfig(NamedTuple):
mcu: str
mcu_idcode: int
uid_address: int
block_size: int
sector_sizes: List[int]
serial_number_address: int
app_address: int
app_fn: str
bootstub_address: int
bootstub_fn: str
Fx = (
0x1FFF7A10,
0x800,
[0x4000 for _ in range(4)] + [0x10000] + [0x20000 for _ in range(11)],
0x1FFF79C0,
0x8004000,
"panda.bin.signed",
0x8000000,
"bootstub.panda.bin",
)
F2Config = McuConfig("STM32F2", 0x411, *Fx)
F4Config = McuConfig("STM32F4", 0x463, *Fx)
H7Config = McuConfig(
"STM32H7",
0x483,
0x1FF1E800,
0x400,
# there is an 8th sector, but we use that for the provisioning chunk, so don't program over that!
[0x20000 for _ in range(7)],
0x080FFFC0,
0x8020000,
"panda_h7.bin.signed",
0x8000000,
"bootstub.panda_h7.bin",
)
@enum.unique
class McuType(enum.Enum):
F2 = F2Config
F4 = F4Config
H7 = H7Config
@property
def config(self):
return self.value
MCU_TYPE_BY_IDCODE = {m.config.mcu_idcode: m for m in McuType}