class CarController():
def __init__(self, dbc_name, CP, VM):
self.car_fingerprint = CP.carFingerprint
self.packer = CANPacker(dbc_name)
self.accel_steady = 0
self.apply_steer_last = 0
self.steer_rate_limited = False
self.lkas11_cnt = 0
self.scc12_cnt = -1
self.resume_cnt = 0
self.last_lead_distance = 0
self.resume_wait_timer = 0
self.turning_signal_timer = 0
self.longcontrol = CP.openpilotLongitudinalControl
self.scc_live = not CP.radarOffCan
self.mad_mode_enabled = Params().get_bool('MadModeEnabled')
self.ldws_opt = Params().get_bool('IsLdwsCar')
self.stock_navi_decel_enabled = Params().get_bool(
'StockNaviDecelEnabled')
# gas_factor, brake_factor
# Adjust it in the range of 0.7 to 1.3
self.scc_smoother = SccSmoother()
def update(self, enabled, CS, frame, CC, actuators, pcm_cancel_cmd,
visual_alert, left_lane, right_lane, left_lane_depart,
right_lane_depart, set_speed, lead_visible, controls):
# *** compute control surfaces ***
# gas and brake
apply_accel = actuators.accel / CarControllerParams.ACCEL_SCALE
apply_accel, self.accel_steady = accel_hysteresis(
apply_accel, self.accel_steady)
apply_accel = self.scc_smoother.get_accel(CS, controls.sm, apply_accel)
apply_accel = clip(apply_accel * CarControllerParams.ACCEL_SCALE,
CarControllerParams.ACCEL_MIN,
CarControllerParams.ACCEL_MAX)
# Steering Torque
new_steer = int(round(actuators.steer * CarControllerParams.STEER_MAX))
apply_steer = apply_std_steer_torque_limits(new_steer,
self.apply_steer_last,
CS.out.steeringTorque,
CarControllerParams)
self.steer_rate_limited = new_steer != apply_steer
# disable if steer angle reach 90 deg, otherwise mdps fault in some models
lkas_active = enabled and abs(
CS.out.steeringAngleDeg) < CS.CP.maxSteeringAngleDeg
# fix for Genesis hard fault at low speed
if CS.out.vEgo < 60 * CV.KPH_TO_MS and self.car_fingerprint == CAR.GENESIS and not CS.mdps_bus:
lkas_active = False
# Disable steering while turning blinker on and speed below 60 kph
if CS.out.leftBlinker or CS.out.rightBlinker:
self.turning_signal_timer = 0.5 / DT_CTRL # Disable for 0.5 Seconds after blinker turned off
if self.turning_indicator_alert: # set and clear by interface
lkas_active = 0
if self.turning_signal_timer > 0:
self.turning_signal_timer -= 1
if not lkas_active:
apply_steer = 0
self.apply_accel_last = apply_accel
self.apply_steer_last = apply_steer
sys_warning, sys_state, left_lane_warning, right_lane_warning = \
process_hud_alert(enabled, self.car_fingerprint, visual_alert,
left_lane, right_lane, left_lane_depart, right_lane_depart)
clu11_speed = CS.clu11["CF_Clu_Vanz"]
enabled_speed = 38 if CS.is_set_speed_in_mph else 60
if clu11_speed > enabled_speed or not lkas_active:
enabled_speed = clu11_speed
controls.clu_speed_ms = clu11_speed * CS.speed_conv_to_ms
if not (min_set_speed < set_speed < 255 * CV.KPH_TO_MS):
set_speed = min_set_speed
set_speed *= CV.MS_TO_MPH if CS.is_set_speed_in_mph else CV.MS_TO_KPH
if frame == 0: # initialize counts from last received count signals
self.lkas11_cnt = CS.lkas11["CF_Lkas_MsgCount"]
# TODO: fix this
# self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
# self.scc_update_frame = frame
# check if SCC is alive
# if frame % 7 == 0:
# if CS.scc11["AliveCounterACC"] == self.prev_scc_cnt:
# if frame - self.scc_update_frame > 20 and self.scc_live:
# self.scc_live = False
# else:
# self.scc_live = True
# self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
# self.scc_update_frame = frame
self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
self.lkas11_cnt = (self.lkas11_cnt + 1) % 0x10
can_sends = []
can_sends.append(
create_lkas11(self.packer, frame, self.car_fingerprint,
apply_steer, lkas_active, CS.lkas11, sys_warning,
sys_state, enabled, left_lane, right_lane,
left_lane_warning, right_lane_warning, 0,
self.ldws_opt))
if CS.mdps_bus or CS.scc_bus == 1: # send lkas11 bus 1 if mdps or scc is on bus 1
can_sends.append(
create_lkas11(self.packer, frame, self.car_fingerprint,
apply_steer, lkas_active, CS.lkas11, sys_warning,
sys_state, enabled, left_lane, right_lane,
left_lane_warning, right_lane_warning, 1,
self.ldws_opt))
if frame % 2 and CS.mdps_bus: # send clu11 to mdps if it is not on bus 0
can_sends.append(
create_clu11(self.packer, frame // 2 % 0x10, CS.mdps_bus,
CS.clu11, Buttons.NONE, enabled_speed))
if pcm_cancel_cmd and (self.longcontrol and not self.mad_mode_enabled):
can_sends.append(
create_clu11(self.packer, frame % 0x10, CS.scc_bus, CS.clu11,
Buttons.CANCEL, clu11_speed))
else:
can_sends.append(create_mdps12(self.packer, frame, CS.mdps12))
# fix auto resume - by neokii
if CS.out.cruiseState.standstill and not CS.out.gasPressed:
if self.last_lead_distance == 0:
self.last_lead_distance = CS.lead_distance
self.resume_cnt = 0
self.resume_wait_timer = 0
# scc smoother
elif self.scc_smoother.is_active(frame):
pass
elif self.resume_wait_timer > 0:
self.resume_wait_timer -= 1
elif abs(CS.lead_distance - self.last_lead_distance) > 0.01:
can_sends.append(
create_clu11(self.packer, self.resume_cnt, CS.scc_bus,
CS.clu11, Buttons.RES_ACCEL, clu11_speed))
self.resume_cnt += 1
if self.resume_cnt >= 8:
self.resume_cnt = 0
self.resume_wait_timer = SccSmoother.get_wait_count() * 2
# reset lead distnce after the car starts moving
elif self.last_lead_distance != 0:
self.last_lead_distance = 0
# scc smoother
self.scc_smoother.update(enabled, can_sends, self.packer, CC, CS,
frame, apply_accel, controls)
controls.apply_accel = apply_accel
aReqValue = CS.scc12["aReqValue"]
controls.aReqValue = aReqValue
if aReqValue < controls.aReqValueMin:
controls.aReqValueMin = controls.aReqValue
if aReqValue > controls.aReqValueMax:
controls.aReqValueMax = controls.aReqValue
# send scc to car if longcontrol enabled and SCC not on bus 0 or ont live
if self.longcontrol and CS.cruiseState_enabled and (CS.scc_bus or
not self.scc_live):
if frame % 2 == 0:
if self.stock_navi_decel_enabled:
controls.sccStockCamAct = CS.scc11["Navi_SCC_Camera_Act"]
controls.sccStockCamStatus = CS.scc11[
"Navi_SCC_Camera_Status"]
apply_accel, stock_cam = self.scc_smoother.get_stock_cam_accel(
apply_accel, aReqValue, CS.scc11)
else:
controls.sccStockCamAct = 0
controls.sccStockCamStatus = 0
stock_cam = False
if self.scc12_cnt < 0:
self.scc12_cnt = CS.scc12[
"CR_VSM_Alive"] if not CS.no_radar else 0
self.scc12_cnt += 1
self.scc12_cnt %= 0xF
can_sends.append(
create_scc12(self.packer, apply_accel, enabled,
self.scc12_cnt, self.scc_live, CS.scc12,
CS.out.gasPressed, CS.out.brakePressed,
CS.out.cruiseState.standstill,
self.car_fingerprint))
can_sends.append(
create_scc11(self.packer, frame, enabled, set_speed,
lead_visible, self.scc_live, CS.scc11,
self.scc_smoother.active_cam, stock_cam))
if frame % 20 == 0 and CS.has_scc13:
can_sends.append(create_scc13(self.packer, CS.scc13))
if CS.has_scc14:
if CS.out.vEgo < 2.:
long_control_state = controls.LoC.long_control_state
acc_standstill = True if long_control_state == LongCtrlState.stopping else False
else:
acc_standstill = False
lead = self.scc_smoother.get_lead(controls.sm)
if lead is not None:
d = lead.dRel
obj_gap = 1 if d < 25 else 2 if d < 40 else 3 if d < 60 else 4 if d < 80 else 5
else:
obj_gap = 0
can_sends.append(
create_scc14(self.packer, enabled, CS.out.vEgo,
acc_standstill, apply_accel,
CS.out.gasPressed, obj_gap, CS.scc14))
else:
self.scc12_cnt = -1
# 20 Hz LFA MFA message
if frame % 5 == 0:
activated_hda = road_speed_limiter_get_active()
# activated_hda: 0 - off, 1 - main road, 2 - highway
if self.car_fingerprint in FEATURES["send_lfa_mfa"]:
can_sends.append(
create_lfahda_mfc(self.packer, enabled, activated_hda))
elif CS.mdps_bus == 0:
state = 2 if self.car_fingerprint in FEATURES[
"send_hda_state_2"] else 1
can_sends.append(
create_hda_mfc(self.packer, activated_hda, state))
return can_sends
class CarController():
def __init__(self, dbc_name, CP, VM):
self.car_fingerprint = CP.carFingerprint
self.packer = CANPacker(dbc_name)
self.accel_steady = 0
self.apply_steer_last = 0
self.steer_rate_limited = False
self.lkas11_cnt = 0
self.scc12_cnt = 0
self.resume_cnt = 0
self.last_lead_distance = 0
self.resume_wait_timer = 0
self.turning_signal_timer = 0
self.longcontrol = CP.openpilotLongitudinalControl
self.scc_live = not CP.radarOffCan
self.mad_mode_enabled = Params().get_bool('MadModeEnabled')
self.scc_smoother = SccSmoother(gas_gain=1.0,
brake_gain=1.0,
curvature_gain=1.0)
def update(self, enabled, CS, frame, CC, actuators, pcm_cancel_cmd,
visual_alert, left_lane, right_lane, left_lane_depart,
right_lane_depart, set_speed, lead_visible, controls):
# *** compute control surfaces ***
# gas and brake
apply_accel = self.scc_smoother.get_accel(actuators)
apply_accel, self.accel_steady = accel_hysteresis(
apply_accel, self.accel_steady)
apply_accel = clip(apply_accel * CarControllerParams.ACCEL_SCALE,
CarControllerParams.ACCEL_MIN,
CarControllerParams.ACCEL_MAX)
# Steering Torque
new_steer = int(round(actuators.steer * CarControllerParams.STEER_MAX))
apply_steer = apply_std_steer_torque_limits(new_steer,
self.apply_steer_last,
CS.out.steeringTorque,
CarControllerParams)
self.steer_rate_limited = new_steer != apply_steer
# disable if steer angle reach 90 deg, otherwise mdps fault in some models
lkas_active = enabled and abs(
CS.out.steeringAngleDeg) < CS.CP.maxSteeringAngleDeg
# fix for Genesis hard fault at low speed
if CS.out.vEgo < 60 * CV.KPH_TO_MS and self.car_fingerprint == CAR.GENESIS and not CS.mdps_bus:
lkas_active = False
# Disable steering while turning blinker on and speed below 60 kph
if CS.out.leftBlinker or CS.out.rightBlinker:
self.turning_signal_timer = 0.5 / DT_CTRL # Disable for 0.5 Seconds after blinker turned off
if self.turning_indicator_alert: # set and clear by interface
lkas_active = 0
if self.turning_signal_timer > 0:
self.turning_signal_timer -= 1
if not lkas_active:
apply_steer = 0
self.apply_accel_last = apply_accel
self.apply_steer_last = apply_steer
sys_warning, sys_state, left_lane_warning, right_lane_warning = \
process_hud_alert(enabled, self.car_fingerprint, visual_alert,
left_lane, right_lane, left_lane_depart, right_lane_depart)
clu11_speed = CS.clu11["CF_Clu_Vanz"]
enabled_speed = 38 if CS.is_set_speed_in_mph else 60
if clu11_speed > enabled_speed or not lkas_active:
enabled_speed = clu11_speed
controls.clu_speed_ms = clu11_speed * CS.speed_conv_to_ms
if not (min_set_speed < set_speed < 255 * CV.KPH_TO_MS):
set_speed = min_set_speed
set_speed *= CV.MS_TO_MPH if CS.is_set_speed_in_mph else CV.MS_TO_KPH
if frame == 0: # initialize counts from last received count signals
self.lkas11_cnt = CS.lkas11["CF_Lkas_MsgCount"]
self.scc12_cnt = CS.scc12[
"CR_VSM_Alive"] + 1 if not CS.no_radar else 0
# TODO: fix this
# self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
# self.scc_update_frame = frame
# check if SCC is alive
# if frame % 7 == 0:
# if CS.scc11["AliveCounterACC"] == self.prev_scc_cnt:
# if frame - self.scc_update_frame > 20 and self.scc_live:
# self.scc_live = False
# else:
# self.scc_live = True
# self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
# self.scc_update_frame = frame
self.prev_scc_cnt = CS.scc11["AliveCounterACC"]
self.lkas11_cnt = (self.lkas11_cnt + 1) % 0x10
self.scc12_cnt %= 0xF
can_sends = []
can_sends.append(
create_lkas11(self.packer, frame, self.car_fingerprint,
apply_steer, lkas_active, CS.lkas11, sys_warning,
sys_state, enabled, left_lane, right_lane,
left_lane_warning, right_lane_warning, 0))
if CS.mdps_bus or CS.scc_bus == 1: # send lkas11 bus 1 if mdps or scc is on bus 1
can_sends.append(
create_lkas11(self.packer, frame, self.car_fingerprint,
apply_steer, lkas_active, CS.lkas11, sys_warning,
sys_state, enabled, left_lane, right_lane,
left_lane_warning, right_lane_warning, 1))
if frame % 2 and CS.mdps_bus: # send clu11 to mdps if it is not on bus 0
can_sends.append(
create_clu11(self.packer, frame // 2 % 0x10, CS.mdps_bus,
CS.clu11, Buttons.NONE, enabled_speed))
if pcm_cancel_cmd and (self.longcontrol and not self.mad_mode_enabled):
can_sends.append(
create_clu11(self.packer, frame % 0x10, CS.scc_bus, CS.clu11,
Buttons.CANCEL, clu11_speed))
# fix auto resume - by neokii
if CS.out.cruiseState.standstill:
if self.last_lead_distance == 0:
self.last_lead_distance = CS.lead_distance
self.resume_cnt = 0
self.resume_wait_timer = 0
# scc smoother
elif self.scc_smoother.is_active(frame):
pass
elif self.resume_wait_timer > 0:
self.resume_wait_timer -= 1
elif abs(CS.lead_distance - self.last_lead_distance) > 0.01:
can_sends.append(
create_clu11(self.packer, self.resume_cnt, CS.scc_bus,
CS.clu11, Buttons.RES_ACCEL, clu11_speed))
self.resume_cnt += 1
if self.resume_cnt >= 8:
self.resume_cnt = 0
self.resume_wait_timer = SccSmoother.get_wait_count() * 2
# reset lead distnce after the car starts moving
elif self.last_lead_distance != 0:
self.last_lead_distance = 0
# scc smoother
self.scc_smoother.update(enabled, can_sends, self.packer, CC, CS,
frame, apply_accel, controls)
if CS.mdps_bus: # send mdps12 to LKAS to prevent LKAS error
can_sends.append(create_mdps12(self.packer, frame, CS.mdps12))
controls.apply_accel = apply_accel
aReqValue = CS.scc12["aReqValue"]
controls.aReqValue = aReqValue
if aReqValue < controls.aReqValueMin:
controls.aReqValueMin = controls.aReqValue
if aReqValue > controls.aReqValueMax:
controls.aReqValueMax = controls.aReqValue
# send scc to car if longcontrol enabled and SCC not on bus 0 or ont live
if self.longcontrol and CS.cruiseState_enabled and (
CS.scc_bus or not self.scc_live) and frame % 2 == 0:
apply_accel, lead_drel = self.scc_smoother.get_fused_accel(
apply_accel, aReqValue, controls.sm)
controls.fused_accel = apply_accel
controls.lead_drel = lead_drel
can_sends.append(
create_scc12(self.packer, apply_accel, enabled, self.scc12_cnt,
self.scc_live, CS.scc12))
can_sends.append(
create_scc11(self.packer, frame, enabled, set_speed,
controls.sm['radarState'], self.scc_live,
CS.scc11))
if CS.has_scc13 and frame % 20 == 0:
can_sends.append(create_scc13(self.packer, CS.scc13))
if CS.has_scc14:
can_sends.append(create_scc14(self.packer, enabled, CS.scc14))
self.scc12_cnt += 1
# 20 Hz LFA MFA message
if frame % 5 == 0 and self.car_fingerprint in FEATURES["send_lfa_mfa"]:
can_sends.append(create_lfahda_mfc(self.packer, enabled))
return can_sends