openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python2
import unittest
import numpy as np
import libpandasafety_py
class TestHondaSafety(unittest.TestCase):
@classmethod
def setUp(cls):
cls.safety = libpandasafety_py.libpandasafety
cls.safety.honda_init(0)
cls.safety.init_tests_honda()
def _speed_msg(self, speed):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x158 << 21
to_send[0].RDLR = speed
return to_send
def _button_msg(self, buttons):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x1A6 << 21
to_send[0].RDLR = buttons << 5
return to_send
def _brake_msg(self, brake):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x17C << 21
to_send[0].RDHR = 0x200000 if brake else 0
return to_send
def _gas_msg(self, gas):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x17C << 21
to_send[0].RDLR = 1 if gas else 0
return to_send
def _send_brake_msg(self, brake):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x1FA << 21
to_send[0].RDLR = brake
return to_send
def _send_gas_msg(self, gas):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0x200 << 21
to_send[0].RDLR = gas
return to_send
def _send_steer_msg(self, steer):
to_send = libpandasafety_py.ffi.new('CAN_FIFOMailBox_TypeDef *')
to_send[0].RIR = 0xE4 << 21
to_send[0].RDLR = steer
return to_send
def test_default_controls_not_allowed(self):
self.assertFalse(self.safety.get_controls_allowed())
def test_resume_button(self):
RESUME_BTN = 4
self.safety.honda_rx_hook(self._button_msg(RESUME_BTN))
self.assertTrue(self.safety.get_controls_allowed())
def test_set_button(self):
SET_BTN = 3
self.safety.honda_rx_hook(self._button_msg(SET_BTN))
self.assertTrue(self.safety.get_controls_allowed())
def test_cancel_button(self):
CANCEL_BTN = 2
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._button_msg(CANCEL_BTN))
self.assertFalse(self.safety.get_controls_allowed())
def test_sample_speed(self):
self.assertEqual(0, self.safety.get_ego_speed())
self.safety.honda_rx_hook(self._speed_msg(100))
self.assertEqual(100, self.safety.get_ego_speed())
def test_prev_brake(self):
self.assertFalse(self.safety.get_brake_prev())
self.safety.honda_rx_hook(self._brake_msg(True))
self.assertTrue(self.safety.get_brake_prev())
def test_disengage_on_brake(self):
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._brake_msg(1))
self.assertFalse(self.safety.get_controls_allowed())
def test_allow_brake_at_zero_speed(self):
# Brake was already pressed
self.safety.honda_rx_hook(self._brake_msg(True))
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._brake_msg(True))
self.assertTrue(self.safety.get_controls_allowed())
def test_not_allow_brake_when_moving(self):
# Brake was already pressed
self.safety.honda_rx_hook(self._brake_msg(True))
self.safety.honda_rx_hook(self._speed_msg(100))
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._brake_msg(True))
self.assertFalse(self.safety.get_controls_allowed())
def test_prev_gas(self):
self.assertFalse(self.safety.get_gas_prev())
self.safety.honda_rx_hook(self._gas_msg(True))
self.assertTrue(self.safety.get_gas_prev())
def test_disengage_on_gas(self):
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._gas_msg(1))
self.assertFalse(self.safety.get_controls_allowed())
def test_allow_engage_with_gas_pressed(self):
self.safety.honda_rx_hook(self._gas_msg(1))
self.safety.set_controls_allowed(1)
self.safety.honda_rx_hook(self._gas_msg(1))
self.assertTrue(self.safety.get_controls_allowed())
def test_brake_safety_check(self):
self.assertTrue(self.safety.honda_tx_hook(self._send_brake_msg(0x0000)))
self.assertFalse(self.safety.honda_tx_hook(self._send_brake_msg(0x1000)))
self.safety.set_controls_allowed(1)
self.assertTrue(self.safety.honda_tx_hook(self._send_brake_msg(0x1000)))
self.assertFalse(self.safety.honda_tx_hook(self._send_brake_msg(0x00F0)))
def test_gas_safety_check(self):
self.assertTrue(self.safety.honda_tx_hook(self._send_brake_msg(0x0000)))
self.assertFalse(self.safety.honda_tx_hook(self._send_brake_msg(0x1000)))
def test_steer_safety_check(self):
self.assertTrue(self.safety.honda_tx_hook(self._send_steer_msg(0x0000)))
self.assertFalse(self.safety.honda_tx_hook(self._send_steer_msg(0x1000)))
if __name__ == "__main__":
unittest.main()