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							129 lines
						
					
					
						
							3.5 KiB
						
					
					
				
			
		
		
	
	
							129 lines
						
					
					
						
							3.5 KiB
						
					
					
				import os
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import pytest
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import time
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import cereal.messaging as messaging
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from cereal import log
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from openpilot.common.gpio import gpio_set, gpio_init
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from panda import Panda, PandaDFU, PandaProtocolMismatch
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from openpilot.common.retry import retry
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from openpilot.system.manager.process_config import managed_processes
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from openpilot.system.hardware import HARDWARE
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from openpilot.system.hardware.tici.pins import GPIO
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HERE = os.path.dirname(os.path.realpath(__file__))
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@pytest.mark.tici
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class TestPandad:
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  def setup_method(self):
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    # ensure panda is up
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    if len(Panda.list()) == 0:
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      self._run_test(60)
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    self.spi = HARDWARE.get_device_type() != 'tici'
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  def teardown_method(self):
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    managed_processes['pandad'].stop()
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  def _run_test(self, timeout=30) -> float:
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    st = time.monotonic()
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    sm = messaging.SubMaster(['pandaStates'])
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    managed_processes['pandad'].start()
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    while (time.monotonic() - st) < timeout:
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      sm.update(100)
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      if len(sm['pandaStates']) and sm['pandaStates'][0].pandaType != log.PandaState.PandaType.unknown:
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        break
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    dt = time.monotonic() - st
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    managed_processes['pandad'].stop()
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    if len(sm['pandaStates']) == 0 or sm['pandaStates'][0].pandaType == log.PandaState.PandaType.unknown:
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      raise Exception("pandad failed to start")
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    return dt
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  def _go_to_dfu(self):
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    HARDWARE.recover_internal_panda()
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    assert Panda.wait_for_dfu(None, 10)
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  def _assert_no_panda(self):
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    assert not Panda.wait_for_dfu(None, 3)
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    assert not Panda.wait_for_panda(None, 3)
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  @retry(attempts=3)
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  def _flash_bootstub_and_test(self, fn, expect_mismatch=False):
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    self._go_to_dfu()
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    pd = PandaDFU(None)
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    if fn is None:
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      fn = os.path.join(HERE, pd.get_mcu_type().config.bootstub_fn)
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    with open(fn, "rb") as f:
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      pd.program_bootstub(f.read())
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    pd.reset()
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    HARDWARE.reset_internal_panda()
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    assert Panda.wait_for_panda(None, 10)
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    if expect_mismatch:
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      with pytest.raises(PandaProtocolMismatch):
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        Panda()
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    else:
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      with Panda() as p:
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        assert p.bootstub
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    self._run_test(45)
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  def test_in_dfu(self):
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    HARDWARE.recover_internal_panda()
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    self._run_test(60)
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  def test_in_bootstub(self):
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    with Panda() as p:
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      p.reset(enter_bootstub=True)
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      assert p.bootstub
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    self._run_test()
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  def test_internal_panda_reset(self):
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    gpio_init(GPIO.STM_RST_N, True)
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    gpio_set(GPIO.STM_RST_N, 1)
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    time.sleep(0.5)
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    assert all(not Panda(s).is_internal() for s in Panda.list())
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    self._run_test()
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    assert any(Panda(s).is_internal() for s in Panda.list())
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  def test_best_case_startup_time(self):
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    # run once so we're up to date
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    self._run_test(60)
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    ts = []
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    for _ in range(10):
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      # should be nearly instant this time
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      dt = self._run_test(5)
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      ts.append(dt)
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    # 5s for USB (due to enumeration)
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    # - 0.2s pandad -> pandad
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    # - plus some buffer
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    print("startup times", ts, sum(ts) / len(ts))
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    assert 0.1 < (sum(ts)/len(ts)) < (0.7 if self.spi else 5.0)
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  def test_protocol_version_check(self):
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    if not self.spi:
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      pytest.skip("SPI test")
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    # flash old fw
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    fn = os.path.join(HERE, "bootstub.panda_h7_spiv0.bin")
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    self._flash_bootstub_and_test(fn, expect_mismatch=True)
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  def test_release_to_devel_bootstub(self):
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    self._flash_bootstub_and_test(None)
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  def test_recover_from_bad_bootstub(self):
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    self._go_to_dfu()
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    with PandaDFU(None) as pd:
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      pd.program_bootstub(b"\x00"*1024)
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      pd.reset()
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    HARDWARE.reset_internal_panda()
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    self._assert_no_panda()
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    self._run_test(60)
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