dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#!/usr/bin/env python3
import os
import pytest
import time
import cereal.messaging as messaging
from cereal import log
from openpilot.common.gpio import gpio_set, gpio_init
from panda import Panda, PandaDFU, PandaProtocolMismatch
from openpilot.selfdrive.manager.process_config import managed_processes
from openpilot.system.hardware import HARDWARE
from openpilot.system.hardware.tici.pins import GPIO
HERE = os.path.dirname(os.path.realpath(__file__))
@pytest.mark.tici
class TestPandad:
def setup_method(self):
# ensure panda is up
if len(Panda.list()) == 0:
self._run_test(60)
self.spi = HARDWARE.get_device_type() != 'tici'
def teardown_method(self):
managed_processes['pandad'].stop()
def _run_test(self, timeout=30) -> float:
st = time.monotonic()
sm = messaging.SubMaster(['pandaStates'])
managed_processes['pandad'].start()
while (time.monotonic() - st) < timeout:
sm.update(100)
if len(sm['pandaStates']) and sm['pandaStates'][0].pandaType != log.PandaState.PandaType.unknown:
break
dt = time.monotonic() - st
managed_processes['pandad'].stop()
if len(sm['pandaStates']) == 0 or sm['pandaStates'][0].pandaType == log.PandaState.PandaType.unknown:
raise Exception("boardd failed to start")
return dt
def _go_to_dfu(self):
HARDWARE.recover_internal_panda()
assert Panda.wait_for_dfu(None, 10)
def _assert_no_panda(self):
assert not Panda.wait_for_dfu(None, 3)
assert not Panda.wait_for_panda(None, 3)
def _flash_bootstub_and_test(self, fn, expect_mismatch=False):
self._go_to_dfu()
pd = PandaDFU(None)
if fn is None:
fn = os.path.join(HERE, pd.get_mcu_type().config.bootstub_fn)
with open(fn, "rb") as f:
pd.program_bootstub(f.read())
pd.reset()
HARDWARE.reset_internal_panda()
assert Panda.wait_for_panda(None, 10)
if expect_mismatch:
with pytest.raises(PandaProtocolMismatch):
Panda()
else:
with Panda() as p:
assert p.bootstub
self._run_test(45)
def test_in_dfu(self):
HARDWARE.recover_internal_panda()
self._run_test(60)
def test_in_bootstub(self):
with Panda() as p:
p.reset(enter_bootstub=True)
assert p.bootstub
self._run_test()
def test_internal_panda_reset(self):
gpio_init(GPIO.STM_RST_N, True)
gpio_set(GPIO.STM_RST_N, 1)
time.sleep(0.5)
assert all(not Panda(s).is_internal() for s in Panda.list())
self._run_test()
assert any(Panda(s).is_internal() for s in Panda.list())
def test_best_case_startup_time(self):
# run once so we're up to date
self._run_test(60)
ts = []
for _ in range(10):
# should be nearly instant this time
dt = self._run_test(5)
ts.append(dt)
# 5s for USB (due to enumeration)
# - 0.2s pandad -> boardd
# - plus some buffer
assert 0.1 < (sum(ts)/len(ts)) < (0.5 if self.spi else 5.0)
print("startup times", ts, sum(ts) / len(ts))
def test_protocol_version_check(self):
if not self.spi:
pytest.skip("SPI test")
# flash old fw
fn = os.path.join(HERE, "bootstub.panda_h7_spiv0.bin")
self._flash_bootstub_and_test(fn, expect_mismatch=True)
def test_release_to_devel_bootstub(self):
self._flash_bootstub_and_test(None)
def test_recover_from_bad_bootstub(self):
self._go_to_dfu()
with PandaDFU(None) as pd:
pd.program_bootstub(b"\x00"*1024)
pd.reset()
HARDWARE.reset_internal_panda()
self._assert_no_panda()
self._run_test(60)