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 numpy as np
IDX_N = 33
def index_function(idx, max_val=192, max_idx=32):
return (max_val) * ((idx/max_idx)**2)
T_IDXS = [index_function(idx, max_val=10.0) for idx in range(IDX_N)]
X_IDXS = [index_function(idx, max_val=192.0) for idx in range(IDX_N)]
LEAD_T_IDXS = [0., 2., 4., 6., 8., 10.]
LEAD_T_OFFSETS = [0., 2., 4.]
META_T_IDXS = [2., 4., 6., 8., 10.]
MODEL_FREQ = 20
FCW_THRESHOLDS_5MS2 = np.array([.05, .05, .15, .15, .15], dtype=np.float32)
FCW_THRESHOLDS_3MS2 = np.array([.7, .7], dtype=np.float32)
DISENGAGE_WIDTH = 5
POSE_WIDTH = 6
SIM_POSE_WIDTH = 6
LEAD_WIDTH = 4
LANE_LINES_WIDTH = 2
ROAD_EDGES_WIDTH = 2
PLAN_WIDTH = 15
DESIRE_PRED_WIDTH = 8
NUM_LANE_LINES = 4
NUM_ROAD_EDGES = 2
LEAD_TRAJ_LEN = 6
PLAN_MHP_N = 5
LEAD_MHP_N = 2
PLAN_MHP_SELECTION = 1
LEAD_MHP_SELECTION = 3
FCW_THRESHOLD_5MS2_HIGH = 0.15
FCW_THRESHOLD_5MS2_LOW = 0.05
FCW_THRESHOLD_3MS2 = 0.7
RYG_GREEN = 0.01165
RYG_YELLOW = 0.06157
class Plan:
POSITION = slice(0, 3)
VELOCITY = slice(3, 6)
ACCELERATION = slice(6, 9)
T_FROM_CURRENT_EULER = slice(9, 12)
ORIENTATION_RATE = slice(12, 15)
class Meta:
ENGAGED = slice(0, 1)
# next 2, 4, 6, 8, 10 seconds
GAS_DISENGAGE = slice(1, 36, 7)
BRAKE_DISENGAGE = slice(2, 36, 7)
STEER_OVERRIDE = slice(3, 36, 7)
HARD_BRAKE_3 = slice(4, 36, 7)
HARD_BRAKE_4 = slice(5, 36, 7)
HARD_BRAKE_5 = slice(6, 36, 7)
GAS_PRESS = slice(7, 36, 7)
# next 0, 2, 4, 6, 8, 10 seconds
LEFT_BLINKER = slice(36, 48, 2)
RIGHT_BLINKER = slice(37, 48, 2)