Cydia's Toyota tune

Co-Authored-By: Irene <12470297+cydia2020@users.noreply.github.com>

selfdrive/car/toyota/carcontroller.py

@@ -11,6 +11,7 @@ from opendbc.can.packer import CANPacker
 
 SteerControlType = car.CarParams.SteerControlType
 VisualAlert = car.CarControl.HUDControl.VisualAlert
+LongCtrlState = car.CarControl.Actuators.LongControlState
 
 # LKA limits
 # EPS faults if you apply torque while the steering rate is above 100 deg/s for too long
@@ -25,6 +26,11 @@ MAX_USER_TORQUE = 500
 MAX_LTA_ANGLE = 94.9461  # deg
 MAX_LTA_DRIVER_TORQUE_ALLOWANCE = 150  # slightly above steering pressed allows some resistance when changing lanes
 
+# PCM compensatory force calculation threshold
+# a variation in accel command is more pronounced at higher speeds, let compensatory forces ramp to zero before
+# applying when speed is high
+COMPENSATORY_CALCULATION_THRESHOLD_V = [-0.3, -0.25, 0.]  # m/s^2
+COMPENSATORY_CALCULATION_THRESHOLD_BP = [0., 11., 23.]  # m/s
 
 class CarController:
   def __init__(self, dbc_name, CP, VM):
@@ -37,6 +43,7 @@ class CarController:
     self.last_standstill = False
     self.standstill_req = False
     self.steer_rate_counter = 0
+    self.prohibit_neg_calculation = True
 
     self.packer = CANPacker(dbc_name)
     self.gas = 0
@@ -45,11 +52,14 @@ class CarController:
     # FrogPilot variables
     params = Params()
 
+    self.cydia_tune = params.get_bool("CydiaTune")
+
   def update(self, CC, CS, now_nanos, frogpilot_variables):
     actuators = CC.actuators
     hud_control = CC.hudControl
     pcm_cancel_cmd = CC.cruiseControl.cancel
     lat_active = CC.latActive and abs(CS.out.steeringTorque) < MAX_USER_TORQUE
+    stopping = actuators.longControlState == LongCtrlState.stopping
 
     # *** control msgs ***
     can_sends = []
@@ -118,10 +128,31 @@ class CarController:
       interceptor_gas_cmd = clip(pedal_command, 0., MAX_INTERCEPTOR_GAS)
     else:
       interceptor_gas_cmd = 0.
-    if frogpilot_variables.sport_plus:
-      pcm_accel_cmd = clip(actuators.accel, self.params.ACCEL_MIN, self.params.ACCEL_MAX_PLUS)
+
+    # prohibit negative compensatory calculations when first activating long after accelerator depression or engagement
+    if not CC.longActive:
+      self.prohibit_neg_calculation = True
+    comp_thresh = interp(CS.out.vEgo, COMPENSATORY_CALCULATION_THRESHOLD_BP, COMPENSATORY_CALCULATION_THRESHOLD_V)
+    # don't reset until a reasonable compensatory value is reached
+    if CS.pcm_neutral_force > comp_thresh * self.CP.mass:
+      self.prohibit_neg_calculation = False
+    # NO_STOP_TIMER_CAR will creep if compensation is applied when stopping or stopped, don't compensate when stopped or stopping
+    should_compensate = True
+    if (self.CP.carFingerprint in NO_STOP_TIMER_CAR and actuators.accel < 1e-3 or stopping) or CS.out.vEgo < 1e-3:
+      should_compensate = False
+    # limit minimum to only positive until first positive is reached after engagement, don't calculate when long isn't active
+    if CC.longActive and should_compensate and not self.prohibit_neg_calculation and self.cydia_tune:
+      accel_offset = CS.pcm_neutral_force / self.CP.mass
     else:
-      pcm_accel_cmd = clip(actuators.accel, self.params.ACCEL_MIN, self.params.ACCEL_MAX)
+      accel_offset = 0.
+    # only calculate pcm_accel_cmd when long is active to prevent disengagement from accelerator depression
+    if CC.longActive:
+      if frogpilot_variables.sport_plus:
+        pcm_accel_cmd = clip(actuators.accel + accel_offset, self.params.ACCEL_MIN, self.params.ACCEL_MAX_PLUS)
+      else:
+        pcm_accel_cmd = clip(actuators.accel + accel_offset, self.params.ACCEL_MIN, self.params.ACCEL_MAX)
+    else:
+      pcm_accel_cmd = 0.
 
     # TODO: probably can delete this. CS.pcm_acc_status uses a different signal
     # than CS.cruiseState.enabled. confirm they're not meaningfully different
@@ -144,16 +175,18 @@ class CarController:
     # we can spam can to cancel the system even if we are using lat only control
     if (self.frame % 3 == 0 and self.CP.openpilotLongitudinalControl) or pcm_cancel_cmd:
       lead = hud_control.leadVisible or CS.out.vEgo < 12.  # at low speed we always assume the lead is present so ACC can be engaged
+      # when stopping, send -2.5 raw acceleration immediately to prevent vehicle from creeping, else send actuators.accel
+      accel_raw = -2.5 if stopping and self.cydia_tune else actuators.accel
 
       # Lexus IS uses a different cancellation message
       if pcm_cancel_cmd and self.CP.carFingerprint in UNSUPPORTED_DSU_CAR:
         can_sends.append(toyotacan.create_acc_cancel_command(self.packer))
       elif self.CP.openpilotLongitudinalControl:
-        can_sends.append(toyotacan.create_accel_command(self.packer, pcm_accel_cmd, pcm_cancel_cmd, self.standstill_req, lead, CS.acc_type, fcw_alert,
+        can_sends.append(toyotacan.create_accel_command(self.packer, pcm_accel_cmd, accel_raw, pcm_cancel_cmd, self.standstill_req, lead, CS.acc_type, fcw_alert,
                          frogpilot_variables))
         self.accel = pcm_accel_cmd
       else:
-        can_sends.append(toyotacan.create_accel_command(self.packer, 0, pcm_cancel_cmd, False, lead, CS.acc_type, False,
+        can_sends.append(toyotacan.create_accel_command(self.packer, 0, 0, pcm_cancel_cmd, False, lead, CS.acc_type, False,
                          frogpilot_variables))
 
     if self.frame % 2 == 0 and self.CP.enableGasInterceptor and self.CP.openpilotLongitudinalControl:

selfdrive/car/toyota/carstate.py

@@ -151,6 +151,7 @@ class CarState(CarStateBase):
       ret.cruiseState.standstill = self.pcm_acc_status == 7
     ret.cruiseState.enabled = bool(cp.vl["PCM_CRUISE"]["CRUISE_ACTIVE"])
     ret.cruiseState.nonAdaptive = cp.vl["PCM_CRUISE"]["CRUISE_STATE"] in (1, 2, 3, 4, 5, 6)
+    self.pcm_neutral_force = cp.vl["PCM_CRUISE"]["NEUTRAL_FORCE"]
 
     ret.genericToggle = bool(cp.vl["LIGHT_STALK"]["AUTO_HIGH_BEAM"])
     ret.espDisabled = cp.vl["ESP_CONTROL"]["TC_DISABLED"] != 0

selfdrive/car/toyota/interface.py

@@ -267,7 +267,21 @@ class CarInterface(CarInterfaceBase):
     tune = ret.longitudinalTuning
     tune.deadzoneBP = [0., 9.]
     tune.deadzoneV = [.0, .15]
-    if candidate in TSS2_CAR or ret.enableGasInterceptor:
+    if params.get_bool("CydiaTune"):
+      # on stock Toyota this is -2.5
+      ret.stopAccel = -2.5
+      tune.deadzoneBP = [0., 16., 20., 30.]
+      tune.deadzoneV = [0., .03, .06, .15]
+      ret.stoppingDecelRate = 0.17  # This is okay for TSS-P
+      if candidate in TSS2_CAR:
+        ret.vEgoStopping = 0.25
+        ret.vEgoStarting = 0.25
+        ret.stoppingDecelRate = 0.009  # reach stopping target smoothly
+      tune.kpBP = [0., 5.]
+      tune.kpV = [0.8, 1.]
+      tune.kiBP = [0., 5.]
+      tune.kiV = [0.3, 1.]
+    elif candidate in TSS2_CAR or ret.enableGasInterceptor:
       tune.kpBP = [0., 5., 20.]
       tune.kpV = [1.3, 1.0, 0.7]
       tune.kiBP = [0., 5., 12., 20., 27.]

selfdrive/car/toyota/toyotacan.py

@@ -33,10 +33,10 @@ def create_lta_steer_command(packer, steer_control_type, steer_angle, steer_req,
   return packer.make_can_msg("STEERING_LTA", 0, values)
 
 
-def create_accel_command(packer, accel, pcm_cancel, standstill_req, lead, acc_type, fcw_alert, frogpilot_variables):
+def create_accel_command(packer, accel, accel_raw, pcm_cancel, standstill_req, lead, acc_type, fcw_alert, frogpilot_variables):
   # TODO: find the exact canceling bit that does not create a chime
   values = {
-    "ACCEL_CMD": accel,
+    "ACCEL_CMD": accel,  # compensated accel command
     "ACC_TYPE": acc_type,
     "DISTANCE": 0,
     "MINI_CAR": lead,
@@ -45,6 +45,7 @@ def create_accel_command(packer, accel, pcm_cancel, standstill_req, lead, acc_ty
     "CANCEL_REQ": pcm_cancel,
     "ALLOW_LONG_PRESS": 1,
     "ACC_CUT_IN": fcw_alert,  # only shown when ACC enabled
+    "ACCEL_CMD_ALT":  accel_raw,  # raw accel command, pcm uses this to calculate a compensatory force
   }
   return packer.make_can_msg("ACC_CONTROL", 0, values)