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141 lines
4.3 KiB
141 lines
4.3 KiB
#!/usr/bin/env python3
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# simple boardd wrapper that updates the panda first
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import os
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import usb1
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import time
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import subprocess
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from typing import List, NoReturn
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from functools import cmp_to_key
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from panda import Panda, PandaDFU
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from common.basedir import BASEDIR
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from common.params import Params
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from system.hardware import HARDWARE
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from system.swaglog import cloudlog
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def get_expected_signature(panda: Panda) -> bytes:
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try:
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return Panda.get_signature_from_firmware(panda.get_mcu_type().config.app_path)
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except Exception:
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cloudlog.exception("Error computing expected signature")
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return b""
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def flash_panda(panda_serial: str) -> Panda:
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panda = Panda(panda_serial)
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fw_signature = get_expected_signature(panda)
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internal_panda = panda.is_internal() and not panda.bootstub
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panda_version = "bootstub" if panda.bootstub else panda.get_version()
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panda_signature = b"" if panda.bootstub else panda.get_signature()
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cloudlog.warning(f"Panda {panda_serial} connected, version: {panda_version}, signature {panda_signature.hex()[:16]}, expected {fw_signature.hex()[:16]}")
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if panda.bootstub or panda_signature != fw_signature:
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cloudlog.info("Panda firmware out of date, update required")
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panda.flash()
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cloudlog.info("Done flashing")
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if panda.bootstub:
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bootstub_version = panda.get_version()
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cloudlog.info(f"Flashed firmware not booting, flashing development bootloader. Bootstub version: {bootstub_version}")
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if internal_panda:
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HARDWARE.recover_internal_panda()
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panda.recover(reset=(not internal_panda))
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cloudlog.info("Done flashing bootloader")
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if panda.bootstub:
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cloudlog.info("Panda still not booting, exiting")
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raise AssertionError
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panda_signature = panda.get_signature()
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if panda_signature != fw_signature:
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cloudlog.info("Version mismatch after flashing, exiting")
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raise AssertionError
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return panda
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def panda_sort_cmp(a: Panda, b: Panda):
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a_type = a.get_type()
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b_type = b.get_type()
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# make sure the internal one is always first
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if a.is_internal() and not b.is_internal():
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return -1
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if not a.is_internal() and b.is_internal():
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return 1
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# sort by hardware type
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if a_type != b_type:
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return a_type < b_type
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# last resort: sort by serial number
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return a.get_usb_serial() < b.get_usb_serial()
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def main() -> NoReturn:
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first_run = True
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params = Params()
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while True:
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try:
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params.remove("PandaSignatures")
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# Flash all Pandas in DFU mode
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for p in PandaDFU.list():
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cloudlog.info(f"Panda in DFU mode found, flashing recovery {p}")
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PandaDFU(p).recover()
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time.sleep(1)
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panda_serials = Panda.list()
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if len(panda_serials) == 0:
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if first_run:
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cloudlog.info("Resetting internal panda")
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HARDWARE.reset_internal_panda()
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time.sleep(2) # wait to come back up
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continue
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cloudlog.info(f"{len(panda_serials)} panda(s) found, connecting - {panda_serials}")
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# Flash pandas
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pandas: List[Panda] = []
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for serial in panda_serials:
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pandas.append(flash_panda(serial))
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# check health for lost heartbeat
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for panda in pandas:
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health = panda.health()
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if health["heartbeat_lost"]:
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params.put_bool("PandaHeartbeatLost", True)
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cloudlog.event("heartbeat lost", deviceState=health, serial=panda.get_usb_serial())
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if first_run:
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cloudlog.info(f"Resetting panda {panda.get_usb_serial()}")
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panda.reset()
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# sort pandas to have deterministic order
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pandas.sort(key=cmp_to_key(panda_sort_cmp))
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panda_serials = list(map(lambda p: p.get_usb_serial(), pandas)) # type: ignore
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# log panda fw versions
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params.put("PandaSignatures", b','.join(p.get_signature() for p in pandas))
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# close all pandas
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for p in pandas:
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p.close()
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except (usb1.USBErrorNoDevice, usb1.USBErrorPipe):
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# a panda was disconnected while setting everything up. let's try again
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cloudlog.exception("Panda USB exception while setting up")
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continue
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first_run = False
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# run boardd with all connected serials as arguments
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os.environ['MANAGER_DAEMON'] = 'boardd'
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os.chdir(os.path.join(BASEDIR, "selfdrive/boardd"))
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subprocess.run(["./boardd", *panda_serials], check=True)
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if __name__ == "__main__":
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main()
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