Files
StarPilot/selfdrive/locationd/test/test_torqued.py
2026-09-30 13:41:48 -05:00

89 lines
3.5 KiB
Python

import numpy as np
from cereal import car
from types import SimpleNamespace
from opendbc.car.hyundai.values import CAR as HYUNDAI_CAR
from openpilot.selfdrive.locationd.torqued import (TorqueEstimator, LAT_ACC_THRESHOLD, FACTOR_SANITY,
IONIQ_6_LAT_ACC_THRESHOLD, IONIQ_6_FACTOR_SANITY)
def _torque_cp(fingerprint, lat_accel_factor=3.0, friction=0.09):
CP = car.CarParams.new_message()
CP.carFingerprint = fingerprint
CP.brand = "hyundai"
CP.lateralTuning.init("torque")
CP.lateralTuning.torque.latAccelFactor = lat_accel_factor
CP.lateralTuning.torque.friction = friction
return CP
def _fill_line(est, slope, seed=0):
rng = np.random.default_rng(seed)
for (low, high), min_pts in zip(est.filtered_points.buckets.keys(),
est.filtered_points.buckets_min_points.values(), strict=True):
for _ in range(int(min_pts)):
x = rng.uniform(low, high)
est.filtered_points.add_point(x, slope * x + rng.normal(0.0, 0.02))
# a single bucket caps at POINTS_PER_BUCKET, below min_points_total
keys = list(est.filtered_points.buckets)
i = 0
while len(est.filtered_points) < est.min_points_total:
x = rng.uniform(*keys[i % len(keys)])
est.filtered_points.add_point(x, slope * x + rng.normal(0.0, 0.02))
i += 1
def _clipped_factor(fingerprint, slope):
est = TorqueEstimator(_torque_cp(fingerprint))
est.starpilot_toggles = SimpleNamespace(use_custom_latAccelFactor=False, use_custom_friction=False)
_fill_line(est, slope)
captured = {}
est.update_params = lambda params: captured.update(params)
msg = est.get_msg()
assert msg.liveTorqueParameters.liveValid
return msg.liveTorqueParameters.latAccelFactorRaw, captured["latAccelFactor"]
def test_ioniq_6_learner_limits():
est = TorqueEstimator(_torque_cp(HYUNDAI_CAR.HYUNDAI_IONIQ_6))
assert est.lat_acc_threshold == IONIQ_6_LAT_ACC_THRESHOLD
assert np.isclose(est.min_lataccel_factor, 3.0 * (1 - IONIQ_6_FACTOR_SANITY))
assert np.isclose(est.max_lataccel_factor, 3.0 * (1 + IONIQ_6_FACTOR_SANITY))
other = TorqueEstimator(_torque_cp(HYUNDAI_CAR.HYUNDAI_IONIQ_5))
assert other.lat_acc_threshold == LAT_ACC_THRESHOLD
assert np.isclose(other.max_lataccel_factor, 3.0 * (1 + FACTOR_SANITY))
def test_ioniq_6_post_tire_slope_is_not_clamped():
raw, used = _clipped_factor(HYUNDAI_CAR.HYUNDAI_IONIQ_6, 4.4)
assert abs(raw - 4.4) < 0.1
assert abs(used - 4.4) < 0.1
_, used_other = _clipped_factor(HYUNDAI_CAR.HYUNDAI_IONIQ_5, 4.4)
assert np.isclose(used_other, 3.0 * (1 + FACTOR_SANITY))
def test_cal_percent():
est = TorqueEstimator(car.CarParams())
est.starpilot_toggles = SimpleNamespace(use_custom_latAccelFactor=False, use_custom_friction=False)
msg = est.get_msg()
assert msg.liveTorqueParameters.calPerc == 0
for (low, high), min_pts in zip(est.filtered_points.buckets.keys(),
est.filtered_points.buckets_min_points.values(), strict=True):
for _ in range(int(min_pts)):
est.filtered_points.add_point((low + high) / 2.0, 0.0)
# enough bucket points, but not enough total points
msg = est.get_msg()
assert msg.liveTorqueParameters.calPerc == (len(est.filtered_points) / est.min_points_total * 100 + 100) / 2
# add enough points to bucket with most capacity
key = list(est.filtered_points.buckets)[0]
for _ in range(est.min_points_total - len(est.filtered_points)):
est.filtered_points.add_point((key[0] + key[1]) / 2.0, 0.0)
msg = est.get_msg()
assert msg.liveTorqueParameters.calPerc == 100