panda/tests/safety/test_honda.py

337 lines
12 KiB
Python
Executable File

#!/usr/bin/env python3
import unittest
import numpy as np
from panda import Panda
from panda.tests.safety import libpandasafety_py
from panda.tests.safety.common import test_relay_malfunction, make_msg, \
test_manually_enable_controls_allowed, \
test_spam_can_buses, MAX_WRONG_COUNTERS
MAX_BRAKE = 255
INTERCEPTOR_THRESHOLD = 328
TX_MSGS = [[0xE4, 0], [0x194, 0], [0x1FA, 0], [0x200, 0], [0x30C, 0], [0x33D, 0], [0x39F, 0]]
HONDA_N_HW = 0
HONDA_BG_HW = 1
HONDA_BH_HW = 2
def honda_checksum(msg, addr, len_msg):
checksum = 0
while addr > 0:
checksum += addr
addr >>= 4
for i in range (0, 2*len_msg):
if i < 8:
checksum += (msg.RDLR >> (4 * i))
else:
checksum += (msg.RDHR >> (4 * (i - 8)))
return (8 - checksum) & 0xF
class TestHondaSafety(unittest.TestCase):
@classmethod
def setUp(cls):
cls.safety = libpandasafety_py.libpandasafety
cls.safety.set_safety_hooks(Panda.SAFETY_HONDA_NIDEC, 0)
cls.safety.init_tests_honda()
cls.cnt_speed = 0
cls.cnt_gas = 0
cls.cnt_button = 0
def _speed_msg(self, speed):
to_send = make_msg(0, 0x158)
to_send[0].RDLR = speed
to_send[0].RDHR |= (self.cnt_speed % 4) << 28
to_send[0].RDHR |= honda_checksum(to_send[0], 0x158, 8) << 24
self.cnt_speed += 1
return to_send
def _button_msg(self, buttons, addr):
honda_hw = self.safety.get_honda_hw()
bus = 1 if honda_hw == HONDA_BH_HW else 0
to_send = make_msg(bus, addr)
to_send[0].RDLR = buttons << 5
to_send[0].RDHR |= (self.cnt_button % 4) << 28
to_send[0].RDHR |= honda_checksum(to_send[0], addr, 8) << 24
self.cnt_button += 1
return to_send
def _brake_msg(self, brake):
to_send = make_msg(0, 0x17C)
to_send[0].RDHR = 0x200000 if brake else 0
to_send[0].RDHR |= (self.cnt_gas % 4) << 28
to_send[0].RDHR |= honda_checksum(to_send[0], 0x17C, 8) << 24
self.cnt_gas += 1
return to_send
def _alt_brake_msg(self, brake):
to_send = make_msg(0, 0x1BE)
to_send[0].RDLR = 0x10 if brake else 0
return to_send
def _gas_msg(self, gas):
to_send = make_msg(0, 0x17C)
to_send[0].RDLR = 1 if gas else 0
to_send[0].RDHR |= (self.cnt_gas % 4) << 28
to_send[0].RDHR |= honda_checksum(to_send[0], 0x17C, 8) << 24
self.cnt_gas += 1
return to_send
def _send_brake_msg(self, brake):
to_send = make_msg(0, 0x1FA)
to_send[0].RDLR = ((brake & 0x3) << 14) | ((brake & 0x3FF) >> 2)
return to_send
def _send_interceptor_msg(self, gas, addr):
to_send = make_msg(0, addr, 6)
gas2 = gas * 2
to_send[0].RDLR = ((gas & 0xff) << 8) | ((gas & 0xff00) >> 8) | \
((gas2 & 0xff) << 24) | ((gas2 & 0xff00) << 8)
return to_send
def _send_steer_msg(self, steer):
to_send = make_msg(0, 0xE4, 6)
to_send[0].RDLR = steer
return to_send
def test_spam_can_buses(self):
self.safety.set_honda_hw(HONDA_N_HW)
test_spam_can_buses(self, TX_MSGS)
def test_relay_malfunction(self):
test_relay_malfunction(self, 0xE4)
def test_default_controls_not_allowed(self):
self.assertFalse(self.safety.get_controls_allowed())
def test_manually_enable_controls_allowed(self):
test_manually_enable_controls_allowed(self)
def test_resume_button(self):
RESUME_BTN = 4
self.safety.set_controls_allowed(0)
self.safety.safety_rx_hook(self._button_msg(RESUME_BTN, 0x1A6))
self.assertTrue(self.safety.get_controls_allowed())
def test_set_button(self):
SET_BTN = 3
self.safety.set_controls_allowed(0)
self.safety.safety_rx_hook(self._button_msg(SET_BTN, 0x1A6))
self.assertTrue(self.safety.get_controls_allowed())
def test_cancel_button(self):
CANCEL_BTN = 2
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._button_msg(CANCEL_BTN, 0x1A6))
self.assertFalse(self.safety.get_controls_allowed())
def test_sample_speed(self):
self.assertEqual(0, self.safety.get_honda_moving())
self.safety.safety_rx_hook(self._speed_msg(100))
self.assertEqual(1, self.safety.get_honda_moving())
def test_prev_brake(self):
self.assertFalse(self.safety.get_honda_brake_pressed_prev())
self.safety.safety_rx_hook(self._brake_msg(True))
self.assertTrue(self.safety.get_honda_brake_pressed_prev())
def test_disengage_on_brake(self):
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._brake_msg(1))
self.assertFalse(self.safety.get_controls_allowed())
def test_alt_disengage_on_brake(self):
self.safety.set_honda_alt_brake_msg(1)
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._alt_brake_msg(1))
self.assertFalse(self.safety.get_controls_allowed())
self.safety.set_honda_alt_brake_msg(0)
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._alt_brake_msg(1))
self.assertTrue(self.safety.get_controls_allowed())
def test_allow_brake_at_zero_speed(self):
# Brake was already pressed
self.safety.safety_rx_hook(self._brake_msg(True))
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._brake_msg(True))
self.assertTrue(self.safety.get_controls_allowed())
self.safety.safety_rx_hook(self._brake_msg(False)) # reset no brakes
def test_not_allow_brake_when_moving(self):
# Brake was already pressed
self.safety.safety_rx_hook(self._brake_msg(True))
self.safety.safety_rx_hook(self._speed_msg(100))
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._brake_msg(True))
self.assertFalse(self.safety.get_controls_allowed())
def test_prev_gas(self):
self.safety.safety_rx_hook(self._gas_msg(False))
self.assertFalse(self.safety.get_honda_gas_prev())
self.safety.safety_rx_hook(self._gas_msg(True))
self.assertTrue(self.safety.get_honda_gas_prev())
def test_prev_gas_interceptor(self):
self.safety.safety_rx_hook(self._send_interceptor_msg(0x0, 0x201))
self.assertFalse(self.safety.get_gas_interceptor_prev())
self.safety.safety_rx_hook(self._send_interceptor_msg(0x1000, 0x201))
self.assertTrue(self.safety.get_gas_interceptor_prev())
self.safety.safety_rx_hook(self._send_interceptor_msg(0x0, 0x201))
self.safety.set_gas_interceptor_detected(False)
def test_disengage_on_gas(self):
self.safety.safety_rx_hook(self._gas_msg(0))
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._gas_msg(1))
self.assertFalse(self.safety.get_controls_allowed())
def test_allow_engage_with_gas_pressed(self):
self.safety.safety_rx_hook(self._gas_msg(1))
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._gas_msg(1))
self.assertTrue(self.safety.get_controls_allowed())
def test_disengage_on_gas_interceptor(self):
for g in range(0, 0x1000):
self.safety.safety_rx_hook(self._send_interceptor_msg(0, 0x201))
self.safety.set_controls_allowed(True)
self.safety.safety_rx_hook(self._send_interceptor_msg(g, 0x201))
remain_enabled = g <= INTERCEPTOR_THRESHOLD
self.assertEqual(remain_enabled, self.safety.get_controls_allowed())
self.safety.safety_rx_hook(self._send_interceptor_msg(0, 0x201))
self.safety.set_gas_interceptor_detected(False)
def test_allow_engage_with_gas_interceptor_pressed(self):
self.safety.safety_rx_hook(self._send_interceptor_msg(0x1000, 0x201))
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._send_interceptor_msg(0x1000, 0x201))
self.assertTrue(self.safety.get_controls_allowed())
self.safety.safety_rx_hook(self._send_interceptor_msg(0, 0x201))
self.safety.set_gas_interceptor_detected(False)
def test_brake_safety_check(self):
for fwd_brake in [False, True]:
self.safety.set_honda_fwd_brake(fwd_brake)
for brake in np.arange(0, MAX_BRAKE + 10, 1):
for controls_allowed in [True, False]:
self.safety.set_controls_allowed(controls_allowed)
if fwd_brake:
send = False # block openpilot brake msg when fwd'ing stock msg
elif controls_allowed:
send = MAX_BRAKE >= brake >= 0
else:
send = brake == 0
self.assertEqual(send, self.safety.safety_tx_hook(self._send_brake_msg(brake)))
self.safety.set_honda_fwd_brake(False)
def test_gas_interceptor_safety_check(self):
for gas in np.arange(0, 4000, 100):
for controls_allowed in [True, False]:
self.safety.set_controls_allowed(controls_allowed)
if controls_allowed:
send = True
else:
send = gas == 0
self.assertEqual(send, self.safety.safety_tx_hook(self._send_interceptor_msg(gas, 0x200)))
def test_steer_safety_check(self):
self.safety.set_controls_allowed(0)
self.assertTrue(self.safety.safety_tx_hook(self._send_steer_msg(0x0000)))
self.assertFalse(self.safety.safety_tx_hook(self._send_steer_msg(0x1000)))
def test_spam_cancel_safety_check(self):
RESUME_BTN = 4
SET_BTN = 3
CANCEL_BTN = 2
BUTTON_MSG = 0x296
for hw in [HONDA_BG_HW, HONDA_BH_HW]:
self.safety.set_honda_hw(hw)
self.safety.set_controls_allowed(0)
self.assertTrue(self.safety.safety_tx_hook(self._button_msg(CANCEL_BTN, BUTTON_MSG)))
self.assertFalse(self.safety.safety_tx_hook(self._button_msg(RESUME_BTN, BUTTON_MSG)))
self.assertFalse(self.safety.safety_tx_hook(self._button_msg(SET_BTN, BUTTON_MSG)))
# do not block resume if we are engaged already
self.safety.set_controls_allowed(1)
self.assertTrue(self.safety.safety_tx_hook(self._button_msg(RESUME_BTN, BUTTON_MSG)))
def test_rx_hook(self):
# checksum checks
SET_BTN = 3
for msg in ["btn1", "btn2", "gas", "speed"]:
self.safety.set_controls_allowed(1)
if msg == "btn1":
to_push = self._button_msg(SET_BTN, 0x1A6)
if msg == "btn2":
to_push = self._button_msg(SET_BTN, 0x296)
if msg == "gas":
to_push = self._gas_msg(0)
if msg == "speed":
to_push = self._speed_msg(0)
self.assertTrue(self.safety.safety_rx_hook(to_push))
to_push[0].RDHR = 0
self.assertFalse(self.safety.safety_rx_hook(to_push))
self.assertFalse(self.safety.get_controls_allowed())
# counter
# reset wrong_counters to zero by sending valid messages
for i in range(MAX_WRONG_COUNTERS + 1):
self.cnt_speed = 0
self.cnt_gas = 0
self.cnt_button = 0
if i < MAX_WRONG_COUNTERS:
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._button_msg(SET_BTN, 0x1A6))
self.safety.safety_rx_hook(self._speed_msg(0))
self.safety.safety_rx_hook(self._gas_msg(0))
else:
self.assertFalse(self.safety.safety_rx_hook(self._button_msg(SET_BTN, 0x1A6)))
self.assertFalse(self.safety.safety_rx_hook(self._speed_msg(0)))
self.assertFalse(self.safety.safety_rx_hook(self._gas_msg(0)))
self.assertFalse(self.safety.get_controls_allowed())
# restore counters for future tests with a couple of good messages
for i in range(2):
self.safety.set_controls_allowed(1)
self.safety.safety_rx_hook(self._button_msg(SET_BTN, 0x1A6))
self.safety.safety_rx_hook(self._speed_msg(0))
self.safety.safety_rx_hook(self._gas_msg(0))
self.safety.safety_rx_hook(self._button_msg(SET_BTN, 0x1A6))
self.assertTrue(self.safety.get_controls_allowed())
def test_fwd_hook(self):
buss = list(range(0x0, 0x3))
msgs = list(range(0x1, 0x800))
fwd_brake = [False, True]
self.safety.set_honda_hw(HONDA_N_HW)
for f in fwd_brake:
self.safety.set_honda_fwd_brake(f)
blocked_msgs = [0xE4, 0x194, 0x33D]
blocked_msgs += [0x30C, 0x39F]
if not f:
blocked_msgs += [0x1FA]
for b in buss:
for m in msgs:
if b == 0:
fwd_bus = 2
elif b == 1:
fwd_bus = -1
elif b == 2:
fwd_bus = -1 if m in blocked_msgs else 0
# assume len 8
self.assertEqual(fwd_bus, self.safety.safety_fwd_hook(b, make_msg(b, m, 8)))
self.safety.set_honda_fwd_brake(False)
if __name__ == "__main__":
unittest.main()