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sunnypilot-byd/opendbc_repo/opendbc/car/mazda/carcontroller.py
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github-actions[bot] de77c89cf6 sunnypilot v2026.002.000
version: sunnypilot v2026.002.000 (staging)
date: 2026-07-21T07:44:02
master commit: 2c334ede443d7391d27575af8c854a095ba702a8
2026-07-21 07:44:02 +00:00

72 lines
3.4 KiB
Python

from opendbc.can import CANPacker
from opendbc.car import Bus, structs
from opendbc.car.lateral import apply_driver_steer_torque_limits
from opendbc.car.interfaces import CarControllerBase
from opendbc.car.mazda import mazdacan
from opendbc.car.mazda.values import CarControllerParams, Buttons
from opendbc.sunnypilot.car.mazda.icbm import IntelligentCruiseButtonManagementInterface
VisualAlert = structs.CarControl.HUDControl.VisualAlert
class CarController(CarControllerBase, IntelligentCruiseButtonManagementInterface):
def __init__(self, dbc_names, CP, CP_SP):
CarControllerBase.__init__(self, dbc_names, CP, CP_SP)
IntelligentCruiseButtonManagementInterface.__init__(self, CP, CP_SP)
self.apply_torque_last = 0
self.packer = CANPacker(dbc_names[Bus.pt])
self.brake_counter = 0
def update(self, CC, CC_SP, CS, now_nanos):
can_sends = []
apply_torque = 0
if CC.latActive:
# calculate steer and also set limits due to driver torque
new_torque = int(round(CC.actuators.torque * CarControllerParams.STEER_MAX))
apply_torque = apply_driver_steer_torque_limits(new_torque, self.apply_torque_last,
CS.out.steeringTorque, CarControllerParams)
if CC.cruiseControl.cancel:
# If brake is pressed, let us wait >70ms before trying to disable crz to avoid
# a race condition with the stock system, where the second cancel from openpilot
# will disable the crz 'main on'. crz ctrl msg runs at 50hz. 70ms allows us to
# read 3 messages and most likely sync state before we attempt cancel.
self.brake_counter = self.brake_counter + 1
if self.frame % 10 == 0 and not (CS.out.brakePressed and self.brake_counter < 7):
# Cancel Stock ACC if it's enabled while OP is disengaged
# Send at a rate of 10hz until we sync with stock ACC state
can_sends.append(mazdacan.create_button_cmd(self.packer, self.CP, CS.crz_btns_counter, Buttons.CANCEL))
else:
self.brake_counter = 0
if CC.cruiseControl.resume and self.frame % 5 == 0:
# Mazda Stop and Go requires a RES button (or gas) press if the car stops more than 3 seconds
# Send Resume button when planner wants car to move
can_sends.append(mazdacan.create_button_cmd(self.packer, self.CP, CS.crz_btns_counter, Buttons.RESUME))
self.apply_torque_last = apply_torque
# send HUD alerts
if self.frame % 50 == 0:
ldw = CC.hudControl.visualAlert == VisualAlert.ldw
steer_required = CC.hudControl.visualAlert == VisualAlert.steerRequired
# TODO: find a way to silence audible warnings so we can add more hud alerts
steer_required = steer_required and CS.lkas_allowed_speed
can_sends.append(mazdacan.create_alert_command(self.packer, CS.cam_laneinfo, ldw, steer_required))
# send steering command
can_sends.append(mazdacan.create_steering_control(self.packer, self.CP,
self.frame, apply_torque, CS.cam_lkas))
# Intelligent Cruise Button Management
can_sends.extend(IntelligentCruiseButtonManagementInterface.update(self, CC_SP, CS, self.packer, self.frame, self.last_button_frame))
new_actuators = CC.actuators.as_builder()
new_actuators.torque = apply_torque / CarControllerParams.STEER_MAX
new_actuators.torqueOutputCan = apply_torque
self.frame += 1
return new_actuators, can_sends