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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import random
import numpy as np
import cereal.messaging as messaging
from cereal import log
from openpilot.common.params import Params
from openpilot.selfdrive.locationd.calibrationd import Calibrator, INPUTS_NEEDED, INPUTS_WANTED, BLOCK_SIZE, MIN_SPEED_FILTER, \
MAX_YAW_RATE_FILTER, SMOOTH_CYCLES, HEIGHT_INIT, MAX_ALLOWED_PITCH_SPREAD, MAX_ALLOWED_YAW_SPREAD
def process_messages(c, cam_odo_calib, cycles,
cam_odo_speed=MIN_SPEED_FILTER + 1,
carstate_speed=MIN_SPEED_FILTER + 1,
cam_odo_yr=0.0,
cam_odo_speed_std=1e-3,
cam_odo_height_std=1e-3):
old_rpy_weight_prev = 0.0
for _ in range(cycles):
assert (old_rpy_weight_prev - c.old_rpy_weight < 1/SMOOTH_CYCLES + 1e-3)
old_rpy_weight_prev = c.old_rpy_weight
c.handle_v_ego(carstate_speed)
c.handle_cam_odom([cam_odo_speed,
np.sin(cam_odo_calib[2]) * cam_odo_speed,
-np.sin(cam_odo_calib[1]) * cam_odo_speed],
[0.0, 0.0, cam_odo_yr],
[0.0, 0.0, 0.0],
[cam_odo_speed_std, cam_odo_speed_std, cam_odo_speed_std],
[0.0, 0.0, HEIGHT_INIT.item()],
[cam_odo_height_std, cam_odo_height_std, cam_odo_height_std])
class TestCalibrationd:
def test_read_saved_params(self):
msg = messaging.new_message('liveCalibration')
msg.liveCalibration.validBlocks = random.randint(1, 10)
msg.liveCalibration.rpyCalib = [random.random() for _ in range(3)]
msg.liveCalibration.height = [random.random() for _ in range(1)]
Params().put("CalibrationParams", msg.to_bytes())
c = Calibrator(param_put=True)
np.testing.assert_allclose(msg.liveCalibration.rpyCalib, c.rpy)
np.testing.assert_allclose(msg.liveCalibration.height, c.height)
assert msg.liveCalibration.validBlocks == c.valid_blocks
def test_calibration_basics(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED)
assert c.valid_blocks == INPUTS_WANTED
np.testing.assert_allclose(c.rpy, np.zeros(3))
np.testing.assert_allclose(c.height, HEIGHT_INIT)
c.reset()
def test_calibration_low_speed_reject(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED, cam_odo_speed=MIN_SPEED_FILTER - 1)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED, carstate_speed=MIN_SPEED_FILTER - 1)
assert c.valid_blocks == 0
np.testing.assert_allclose(c.rpy, np.zeros(3))
np.testing.assert_allclose(c.height, HEIGHT_INIT)
def test_calibration_yaw_rate_reject(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED, cam_odo_yr=MAX_YAW_RATE_FILTER)
assert c.valid_blocks == 0
np.testing.assert_allclose(c.rpy, np.zeros(3))
np.testing.assert_allclose(c.height, HEIGHT_INIT)
def test_calibration_speed_std_reject(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED, cam_odo_speed_std=1e3)
assert c.valid_blocks == INPUTS_NEEDED
np.testing.assert_allclose(c.rpy, np.zeros(3))
def test_calibration_speed_std_height_reject(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_WANTED, cam_odo_height_std=1e3)
assert c.valid_blocks == INPUTS_NEEDED
np.testing.assert_allclose(c.rpy, np.zeros(3))
def test_calibration_auto_reset(self):
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_NEEDED)
assert c.valid_blocks == INPUTS_NEEDED
np.testing.assert_allclose(c.rpy, [0.0, 0.0, 0.0], atol=1e-3)
process_messages(c, [0.0, MAX_ALLOWED_PITCH_SPREAD*0.9, MAX_ALLOWED_YAW_SPREAD*0.9], BLOCK_SIZE + 10)
assert c.valid_blocks == INPUTS_NEEDED + 1
assert c.cal_status == log.LiveCalibrationData.Status.calibrated
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_NEEDED)
assert c.valid_blocks == INPUTS_NEEDED
np.testing.assert_allclose(c.rpy, [0.0, 0.0, 0.0])
process_messages(c, [0.0, MAX_ALLOWED_PITCH_SPREAD*1.1, 0.0], BLOCK_SIZE + 10)
assert c.valid_blocks == 1
assert c.cal_status == log.LiveCalibrationData.Status.recalibrating
np.testing.assert_allclose(c.rpy, [0.0, MAX_ALLOWED_PITCH_SPREAD*1.1, 0.0], atol=1e-2)
c = Calibrator(param_put=False)
process_messages(c, [0.0, 0.0, 0.0], BLOCK_SIZE * INPUTS_NEEDED)
assert c.valid_blocks == INPUTS_NEEDED
np.testing.assert_allclose(c.rpy, [0.0, 0.0, 0.0])
process_messages(c, [0.0, 0.0, MAX_ALLOWED_YAW_SPREAD*1.1], BLOCK_SIZE + 10)
assert c.valid_blocks == 1
assert c.cal_status == log.LiveCalibrationData.Status.recalibrating
np.testing.assert_allclose(c.rpy, [0.0, 0.0, MAX_ALLOWED_YAW_SPREAD*1.1], atol=1e-2)