Пример #1
0
    def test_correctness(self):
        # Test all cars' commands, randomize the params.
        for _ in range(1000):
            bus = random.randint(0, 65536)
            apply_steer = (random.randint(0, 2) % 2 == 0)
            idx = random.randint(0, 65536)
            lkas_active = (random.randint(0, 2) % 2 == 0)
            m_old = gmcan.create_steering_control(self.gm_cp_old, bus,
                                                  apply_steer, idx,
                                                  lkas_active)
            m = gmcan.create_steering_control(self.gm_cp, bus, apply_steer,
                                              idx, lkas_active)
            self.assertEqual(m_old, m)

            canbus = GMCanBus()
            apply_steer = (random.randint(0, 2) % 2 == 0)
            v_ego = random.randint(0, 65536)
            idx = random.randint(0, 65536)
            enabled = (random.randint(0, 2) % 2 == 0)
            m_old = gmcan.create_steering_control_ct6(self.ct6_cp_old, canbus,
                                                      apply_steer, v_ego, idx,
                                                      enabled)
            m = gmcan.create_steering_control_ct6(self.ct6_cp, canbus,
                                                  apply_steer, v_ego, idx,
                                                  enabled)
            self.assertEqual(m_old, m)

            bus = random.randint(0, 65536)
            throttle = random.randint(0, 65536)
            idx = random.randint(0, 65536)
            acc_engaged = (random.randint(0, 2) % 2 == 0)
            at_full_stop = (random.randint(0, 2) % 2 == 0)
            m_old = gmcan.create_gas_regen_command(self.gm_cp_old, bus,
                                                   throttle, idx, acc_engaged,
                                                   at_full_stop)
            m = gmcan.create_gas_regen_command(self.gm_cp, bus, throttle, idx,
                                               acc_engaged, at_full_stop)
            self.assertEqual(m_old, m)

            bus = random.randint(0, 65536)
            apply_brake = (random.randint(0, 2) % 2 == 0)
            idx = random.randint(0, 65536)
            near_stop = (random.randint(0, 2) % 2 == 0)
            at_full_stop = (random.randint(0, 2) % 2 == 0)
            m_old = gmcan.create_friction_brake_command(
                self.ct6_cp_old, bus, apply_brake, idx, near_stop,
                at_full_stop)
            m = gmcan.create_friction_brake_command(self.ct6_cp, bus,
                                                    apply_brake, idx,
                                                    near_stop, at_full_stop)
            self.assertEqual(m_old, m)

            bus = random.randint(0, 65536)
            acc_engaged = (random.randint(0, 2) % 2 == 0)
            #target_speed_kph = random.randint(0, 65536)
            #lead_car_in_sight = (random.randint(0, 2) % 2 == 0)
            #m_old = gmcan.create_acc_dashboard_command(self.gm_cp_old, bus, acc_engaged, target_speed_kph, lead_car_in_sight)
            #m = gmcan.create_acc_dashboard_command(self.gm_cp, bus, acc_engaged, target_speed_kph, lead_car_in_sight)
            self.assertEqual(m_old, m)
Пример #2
0
    def update(self, sendcan, enabled, CS, frame, actuators, \
               hud_v_cruise, hud_show_lanes, hud_show_car, chime, chime_cnt):
        """ Controls thread """
        #update custom UI buttons and alerts
        CS.UE.update_custom_ui()
        if (frame % 1000 == 0):
            CS.cstm_btns.send_button_info()
            CS.UE.uiSetCarEvent(CS.cstm_btns.car_folder, CS.cstm_btns.car_name)

        # Sanity check.
        if not self.allow_controls:
            return

        P = self.params
        # Send CAN commands.
        can_sends = []
        canbus = self.canbus

        ### STEER ###

        if (frame % P.STEER_STEP) == 0:
            lkas_enabled = enabled and not CS.steer_not_allowed and CS.v_ego > 3.
            if lkas_enabled:
                apply_steer = actuators.steer * P.STEER_MAX
                apply_steer = apply_std_steer_torque_limits(
                    apply_steer, self.apply_steer_last, CS.steer_torque_driver,
                    P)
            else:
                apply_steer = 0

            self.apply_steer_last = apply_steer
            idx = (frame / P.STEER_STEP) % 4
            if CS.cstm_btns.get_button_status("lka") == 0:
                apply_steer = 0
            if self.car_fingerprint == CAR.VOLT:
                can_sends.append(
                    gmcan.create_steering_control(self.packer_pt,
                                                  canbus.powertrain,
                                                  apply_steer, idx,
                                                  lkas_enabled))
            if self.car_fingerprint == CAR.CADILLAC_CT6:
                can_sends += gmcan.create_steering_control_ct6(
                    self.packer_pt, canbus, apply_steer, CS.v_ego, idx,
                    lkas_enabled)

        ### GAS/BRAKE ###

        if self.car_fingerprint == CAR.VOLT:
            # no output if not enabled, but keep sending keepalive messages
            # treat pedals as one
            final_pedal = actuators.gas - actuators.brake

            # *** apply pedal hysteresis ***
            final_brake, self.brake_steady = actuator_hystereses(
                final_pedal, self.pedal_steady)

            if not enabled:
                # Stock ECU sends max regen when not enabled.
                apply_gas = P.MAX_ACC_REGEN
                apply_brake = 0
            else:
                apply_gas = int(
                    round(interp(final_pedal, P.GAS_LOOKUP_BP,
                                 P.GAS_LOOKUP_V)))
                apply_brake = int(
                    round(
                        interp(final_pedal, P.BRAKE_LOOKUP_BP,
                               P.BRAKE_LOOKUP_V)))

            # Gas/regen and brakes - all at 25Hz
            if (frame % 4) == 0:
                idx = (frame / 4) % 4

                car_stopping = apply_gas < P.ZERO_GAS
                standstill = CS.pcm_acc_status == AccState.STANDSTILL
                at_full_stop = enabled and standstill and car_stopping
                near_stop = enabled and (
                    CS.v_ego < P.NEAR_STOP_BRAKE_PHASE) and car_stopping
                can_sends.append(
                    gmcan.create_friction_brake_command(
                        self.packer_ch, canbus.chassis, apply_brake, idx,
                        near_stop, at_full_stop))

                # Auto-resume from full stop by resetting ACC control
                acc_enabled = enabled
                if standstill and not car_stopping:
                    acc_enabled = False

                can_sends.append(
                    gmcan.create_gas_regen_command(self.packer_pt,
                                                   canbus.powertrain,
                                                   apply_gas, idx, acc_enabled,
                                                   at_full_stop))

            # Send dashboard UI commands (ACC status), 25hz
            if (frame % 4) == 0:
                can_sends.append(
                    gmcan.create_acc_dashboard_command(
                        self.packer_pt, canbus.powertrain, enabled,
                        hud_v_cruise * CV.MS_TO_KPH, hud_show_car))

            # Radar needs to know current speed and yaw rate (50hz),
            # and that ADAS is alive (10hz)
            time_and_headlights_step = 10
            tt = sec_since_boot()

            if frame % time_and_headlights_step == 0:
                idx = (frame / time_and_headlights_step) % 4
                can_sends.append(
                    gmcan.create_adas_time_status(
                        canbus.obstacle, int((tt - self.start_time) * 60),
                        idx))
                can_sends.append(
                    gmcan.create_adas_headlights_status(canbus.obstacle))

            speed_and_accelerometer_step = 2
            if frame % speed_and_accelerometer_step == 0:
                idx = (frame / speed_and_accelerometer_step) % 4
                can_sends.append(
                    gmcan.create_adas_steering_status(canbus.obstacle, idx))
                can_sends.append(
                    gmcan.create_adas_accelerometer_speed_status(
                        canbus.obstacle, CS.v_ego, idx))

            if frame % P.ADAS_KEEPALIVE_STEP == 0:
                can_sends += gmcan.create_adas_keepalive(canbus.powertrain)

        # Show green icon when LKA torque is applied, and
        # alarming orange icon when approaching torque limit.
        # If not sent again, LKA icon disappears in about 5 seconds.
        # Conveniently, sending camera message periodically also works as a keepalive.
        lka_active = CS.lkas_status == 1
        lka_critical = lka_active and abs(actuators.steer) > 0.9
        lka_icon_status = (lka_active, lka_critical)
        if frame % P.CAMERA_KEEPALIVE_STEP == 0 \
            or lka_icon_status != self.lka_icon_status_last:
            can_sends.append(
                gmcan.create_lka_icon_command(canbus.sw_gmlan, lka_active,
                                              lka_critical))
            self.lka_icon_status_last = lka_icon_status

        # Send chimes
        if self.chime != chime:
            duration = 0x3c

            # There is no 'repeat forever' chime command
            # TODO: Manage periodic re-issuing of chime command
            # and chime cancellation
            if chime_cnt == -1:
                chime_cnt = 10

            if chime != 0:
                can_sends.append(
                    gmcan.create_chime_command(canbus.sw_gmlan, chime,
                                               duration, chime_cnt))

            # If canceling a repeated chime, cancel command must be
            # issued for the same chime type and duration
            self.chime = chime

        sendcan.send(
            can_list_to_can_capnp(can_sends, msgtype='sendcan').to_bytes())
Пример #3
0
    def update(self, enabled, CS, frame, actuators, \
               hud_v_cruise, hud_show_lanes, hud_show_car, hud_alert):

        P = self.params

        # Send CAN commands.
        can_sends = []

        alert_out = process_hud_alert(hud_alert)
        steer = alert_out

        ### STEER ###

        if (frame % P.STEER_STEP) == 0:
            lkas_enabled = enabled and not CS.steer_warning and CS.out.vEgo > P.MIN_STEER_SPEED
            if lkas_enabled:
                new_steer = actuators.steer * P.STEER_MAX
                apply_steer = apply_std_steer_torque_limits(
                    new_steer, self.apply_steer_last, CS.out.steeringTorque, P)
                self.steer_rate_limited = new_steer != apply_steer
            else:
                apply_steer = 0

            self.apply_steer_last = apply_steer
            idx = (frame // P.STEER_STEP) % 4

            if self.car_fingerprint in SUPERCRUISE_CARS:
                can_sends += gmcan.create_steering_control_ct6(
                    self.packer_pt, CanBus, apply_steer, CS.out.vEgo, idx,
                    lkas_enabled)
            else:
                can_sends.append(
                    gmcan.create_steering_control(self.packer_pt,
                                                  CanBus.POWERTRAIN,
                                                  apply_steer, idx,
                                                  lkas_enabled))

        ### GAS/BRAKE ###

        if self.car_fingerprint not in SUPERCRUISE_CARS:
            # no output if not enabled, but keep sending keepalive messages
            # treat pedals as one
            final_pedal = actuators.gas - actuators.brake

            # *** apply pedal hysteresis ***
            final_brake, self.brake_steady = actuator_hystereses(
                final_pedal, self.pedal_steady)

            if not enabled:
                # Stock ECU sends max regen when not enabled.
                apply_gas = P.MAX_ACC_REGEN
                apply_brake = 0
            else:
                apply_gas = int(
                    round(interp(final_pedal, P.GAS_LOOKUP_BP,
                                 P.GAS_LOOKUP_V)))
                apply_brake = int(
                    round(
                        interp(final_pedal, P.BRAKE_LOOKUP_BP,
                               P.BRAKE_LOOKUP_V)))

            # Gas/regen and brakes - all at 25Hz
            if (frame % 4) == 0:
                idx = (frame // 4) % 4

                at_full_stop = enabled and CS.out.standstill
                near_stop = enabled and (CS.out.vEgo < P.NEAR_STOP_BRAKE_PHASE)
                can_sends.append(
                    gmcan.create_friction_brake_command(
                        self.packer_ch, CanBus.CHASSIS, apply_brake, idx,
                        near_stop, at_full_stop))

                at_full_stop = enabled and CS.out.standstill
                can_sends.append(
                    gmcan.create_gas_regen_command(self.packer_pt,
                                                   CanBus.POWERTRAIN,
                                                   apply_gas, idx, enabled,
                                                   at_full_stop))

            # Send dashboard UI commands (ACC status), 25hz
            if (frame % 4) == 0:
                can_sends.append(
                    gmcan.create_acc_dashboard_command(
                        self.packer_pt, CanBus.POWERTRAIN, enabled,
                        hud_v_cruise * CV.MS_TO_KPH, hud_show_car))

            # Radar needs to know current speed and yaw rate (50hz),
            # and that ADAS is alive (10hz)
            time_and_headlights_step = 10
            tt = frame * DT_CTRL

            if frame % time_and_headlights_step == 0:
                idx = (frame // time_and_headlights_step) % 4
                can_sends.append(
                    gmcan.create_adas_time_status(
                        CanBus.OBSTACLE, int((tt - self.start_time) * 60),
                        idx))
                can_sends.append(
                    gmcan.create_adas_headlights_status(CanBus.OBSTACLE))

            speed_and_accelerometer_step = 2
            if frame % speed_and_accelerometer_step == 0:
                idx = (frame // speed_and_accelerometer_step) % 4
                can_sends.append(
                    gmcan.create_adas_steering_status(CanBus.OBSTACLE, idx))
                can_sends.append(
                    gmcan.create_adas_accelerometer_speed_status(
                        CanBus.OBSTACLE, CS.out.vEgo, idx))

            if frame % P.ADAS_KEEPALIVE_STEP == 0:
                can_sends += gmcan.create_adas_keepalive(CanBus.POWERTRAIN)

            # Show green icon when LKA torque is applied, and
            # alarming orange icon when approaching torque limit.
            # If not sent again, LKA icon disappears in about 5 seconds.
            # Conveniently, sending camera message periodically also works as a keepalive.
            lka_active = CS.lkas_status == 1
            lka_critical = lka_active and abs(actuators.steer) > 0.9
            lka_icon_status = (lka_active, lka_critical)
            if frame % P.CAMERA_KEEPALIVE_STEP == 0 \
                or lka_icon_status != self.lka_icon_status_last:
                can_sends.append(
                    gmcan.create_lka_icon_command(CanBus.SW_GMLAN, lka_active,
                                                  lka_critical, steer))
                self.lka_icon_status_last = lka_icon_status

        return can_sends
Пример #4
0
    def update(self, enabled, CS, frame, actuators, \
               hud_v_cruise, hud_show_lanes, hud_show_car, chime, chime_cnt, hud_alert):

        P = self.params

        # Send CAN commands.
        can_sends = []
        canbus = self.canbus

        alert_out = process_hud_alert(hud_alert)
        steer = alert_out

        ### STEER ###

        if (frame % P.STEER_STEP) == 0:
            lkas_enabled = enabled and not CS.steer_not_allowed and CS.v_ego > P.MIN_STEER_SPEED
            if lkas_enabled:
                apply_steer = actuators.steer * P.STEER_MAX
                apply_steer = apply_std_steer_torque_limits(
                    apply_steer, self.apply_steer_last, CS.steer_torque_driver,
                    P)
            else:
                apply_steer = 0

            self.apply_steer_last = apply_steer
            idx = (frame // P.STEER_STEP) % 4

            if self.car_fingerprint in SUPERCRUISE_CARS:
                can_sends += gmcan.create_steering_control_ct6(
                    self.packer_pt, canbus, apply_steer, CS.v_ego, idx,
                    lkas_enabled)
            else:
                can_sends.append(
                    gmcan.create_steering_control(self.packer_pt,
                                                  canbus.powertrain,
                                                  apply_steer, idx,
                                                  lkas_enabled))

        ### GAS/BRAKE ###

        if self.car_fingerprint not in SUPERCRUISE_CARS:
            # no output if not enabled, but keep sending keepalive messages
            # treat pedals as one
            final_pedal = actuators.gas - actuators.brake

            # *** apply pedal hysteresis ***
            final_brake, self.brake_steady = actuator_hystereses(
                final_pedal, self.pedal_steady)

            if not enabled:
                # Stock ECU sends max regen when not enabled.
                apply_gas = P.MAX_ACC_REGEN
                apply_brake = 0
            else:
                apply_gas = int(
                    round(interp(final_pedal, P.GAS_LOOKUP_BP,
                                 P.GAS_LOOKUP_V)))
                apply_brake = int(
                    round(
                        interp(final_pedal, P.BRAKE_LOOKUP_BP,
                               P.BRAKE_LOOKUP_V)))

            # Gas/regen and brakes - all at 25Hz
            if (frame % 4) == 0:
                idx = (frame // 4) % 4

                at_full_stop = enabled and CS.standstill
                near_stop = enabled and (CS.v_ego < P.NEAR_STOP_BRAKE_PHASE)
                can_sends.append(
                    gmcan.create_friction_brake_command(
                        self.packer_ch, canbus.chassis, apply_brake, idx,
                        near_stop, at_full_stop))

                at_full_stop = enabled and CS.standstill
                can_sends.append(
                    gmcan.create_gas_regen_command(self.packer_pt,
                                                   canbus.powertrain,
                                                   apply_gas, idx, enabled,
                                                   at_full_stop))

            # Send dashboard UI commands (ACC status), 25hz
            if (frame % 4) == 0:
                can_sends.append(
                    gmcan.create_acc_dashboard_command(
                        self.packer_pt, canbus.powertrain, enabled,
                        hud_v_cruise * CV.MS_TO_KPH, hud_show_car))

            # Radar needs to know current speed and yaw rate (50hz),
            # and that ADAS is alive (10hz)
            time_and_headlights_step = 10
            tt = sec_since_boot()

            if frame % time_and_headlights_step == 0:
                idx = (frame // time_and_headlights_step) % 4
                can_sends.append(
                    gmcan.create_adas_time_status(
                        canbus.obstacle, int((tt - self.start_time) * 60),
                        idx))
                can_sends.append(
                    gmcan.create_adas_headlights_status(canbus.obstacle))

            speed_and_accelerometer_step = 2
            if frame % speed_and_accelerometer_step == 0:
                idx = (frame // speed_and_accelerometer_step) % 4
                can_sends.append(
                    gmcan.create_adas_steering_status(canbus.obstacle, idx))
                can_sends.append(
                    gmcan.create_adas_accelerometer_speed_status(
                        canbus.obstacle, CS.v_ego, idx))

            if frame % P.ADAS_KEEPALIVE_STEP == 0:
                can_sends += gmcan.create_adas_keepalive(canbus.powertrain)

            # Show green icon when LKA torque is applied, and
            # alarming orange icon when approaching torque limit.
            # If not sent again, LKA icon disappears in about 5 seconds.
            # Conveniently, sending camera message periodically also works as a keepalive.
            lka_active = CS.lkas_status == 1
            lka_critical = lka_active and abs(actuators.steer) > 0.9
            lka_icon_status = (lka_active, lka_critical)
            if frame % P.CAMERA_KEEPALIVE_STEP == 0 \
                or lka_icon_status != self.lka_icon_status_last:
                can_sends.append(
                    gmcan.create_lka_icon_command(canbus.sw_gmlan, lka_active,
                                                  lka_critical, steer))
                self.lka_icon_status_last = lka_icon_status

        # Send chimes
        if self.chime != chime:
            duration = 0x3c

            # There is no 'repeat forever' chime command
            # TODO: Manage periodic re-issuing of chime command
            # and chime cancellation
            if chime_cnt == -1:
                chime_cnt = 10

            if chime != 0:
                can_sends.append(
                    gmcan.create_chime_command(canbus.sw_gmlan, chime,
                                               duration, chime_cnt))

            # If canceling a repeated chime, cancel command must be
            # issued for the same chime type and duration
            self.chime = chime

        return can_sends
Пример #5
0
    def update(self, enabled, CS, frame, actuators, \
               hud_v_cruise, hud_show_lanes, hud_show_car, hud_alert):

        P = self.params
        # Send CAN commands.
        can_sends = []
        canbus = self.canbus

        alert_out = process_hud_alert(hud_alert)
        steer = alert_out

        alert_out = process_hud_alert(hud_alert)
        steer = alert_out

        ### STEER ###

        if (frame % P.STEER_STEP) == 0:
            lkas_enabled = enabled and not CS.steer_not_allowed and CS.lkMode and CS.v_ego > P.MIN_STEER_SPEED  #and not CS.left_blinker_on and not CS.right_blinker_on
            if lkas_enabled:
                new_steer = actuators.steer * P.STEER_MAX
                apply_steer = apply_std_steer_torque_limits(
                    new_steer, self.apply_steer_last, CS.steer_torque_driver,
                    P)
                self.steer_rate_limited = new_steer != apply_steer
            else:
                apply_steer = 0

            self.apply_steer_last = apply_steer
            idx = (frame // P.STEER_STEP) % 4

            if self.car_fingerprint in SUPERCRUISE_CARS:
                can_sends += gmcan.create_steering_control_ct6(
                    self.packer_pt, canbus, apply_steer, CS.v_ego, idx,
                    lkas_enabled)
            else:
                can_sends.append(
                    gmcan.create_steering_control(self.packer_pt,
                                                  canbus.powertrain,
                                                  apply_steer, idx,
                                                  lkas_enabled))

        ### GAS/BRAKE ###

        if self.car_fingerprint not in SUPERCRUISE_CARS:
            # no output if not enabled, but keep sending keepalive messages
            # treat pedals as one
            final_pedal = actuators.gas - actuators.brake

            # *** apply pedal hysteresis ***
            final_brake, self.brake_steady = actuator_hystereses(
                final_pedal, self.pedal_steady)

            if not enabled:
                # Stock ECU sends max regen when not enabled.
                apply_gas = P.MAX_ACC_REGEN
                apply_brake = 0
            else:
                apply_gas = int(
                    round(interp(final_pedal, P.GAS_LOOKUP_BP,
                                 P.GAS_LOOKUP_V)))
                apply_brake = int(
                    round(
                        interp(final_pedal, P.BRAKE_LOOKUP_BP,
                               P.BRAKE_LOOKUP_V)))

            # Gas/regen and brakes - all at 25Hz
            if (frame % 4) == 0:
                idx = (frame // 4) % 4

                car_stopping = apply_gas < P.ZERO_GAS
                standstill = CS.pcm_acc_status == AccState.STANDSTILL
                at_full_stop = enabled and standstill and car_stopping
                near_stop = enabled and (
                    CS.v_ego < P.NEAR_STOP_BRAKE_PHASE) and car_stopping
                can_sends.append(
                    gmcan.create_friction_brake_command(
                        self.packer_ch, canbus.chassis, apply_brake, idx,
                        near_stop, at_full_stop))

                # Auto-resume from full stop by resetting ACC control
                acc_enabled = enabled
                if standstill and not car_stopping:
                    acc_enabled = False

                can_sends.append(
                    gmcan.create_gas_regen_command(self.packer_pt,
                                                   canbus.powertrain,
                                                   apply_gas, idx, acc_enabled,
                                                   at_full_stop))

            # Send dashboard UI commands (ACC status), 25hz
            follow_level = CS.get_follow_level()
            if (frame % 4) == 0:
                send_fcw = 0
                if self.fcw_count > 0:
                    self.fcw_count -= 1
                    send_fcw = 0x3
                can_sends.append(
                    gmcan.create_acc_dashboard_command(
                        self.packer_pt, canbus.powertrain, enabled,
                        hud_v_cruise * CV.MS_TO_KPH, hud_show_car,
                        follow_level, send_fcw))

            # Radar needs to know current speed and yaw rate (50hz),
            # and that ADAS is alive (10hz)
            time_and_headlights_step = 10
            tt = frame * DT_CTRL

            if frame % time_and_headlights_step == 0:
                idx = (frame // time_and_headlights_step) % 4
                can_sends.append(
                    gmcan.create_adas_time_status(
                        canbus.obstacle, int((tt - self.start_time) * 60),
                        idx))
                can_sends.append(
                    gmcan.create_adas_headlights_status(canbus.obstacle))

            speed_and_accelerometer_step = 2
            if frame % speed_and_accelerometer_step == 0:
                idx = (frame // speed_and_accelerometer_step) % 4
                can_sends.append(
                    gmcan.create_adas_steering_status(canbus.obstacle, idx))
                can_sends.append(
                    gmcan.create_adas_accelerometer_speed_status(
                        canbus.obstacle, CS.v_ego, idx))

            if frame % P.ADAS_KEEPALIVE_STEP == 0:
                can_sends += gmcan.create_adas_keepalive(canbus.powertrain)

            # Show green icon when LKA torque is applied, and
            # alarming orange icon when approaching torque limit.
            # If not sent again, LKA icon disappears in about 5 seconds.
            # Conveniently, sending camera message periodically also works as a keepalive.
            lka_active = CS.lkas_status == 1
            lka_critical = lka_active and abs(actuators.steer) > 0.9
            lka_icon_status = (lka_active, lka_critical)
            if frame % P.CAMERA_KEEPALIVE_STEP == 0 \
                or lka_icon_status != self.lka_icon_status_last:
                can_sends.append(
                    gmcan.create_lka_icon_command(canbus.sw_gmlan, lka_active,
                                                  lka_critical, steer))
                self.lka_icon_status_last = lka_icon_status

        return can_sends
Пример #6
0
    def update(self, sendcan, enabled, CS, frame, actuators, \
               hud_v_cruise, hud_show_lanes, hud_show_car, chime, chime_cnt):
        """ Controls thread """

        P = self.params

        # Send CAN commands.
        can_sends = []
        canbus = self.canbus

        ### STEER ###

        if (frame % P.STEER_STEP) == 0:
            final_steer = actuators.steer if enabled else 0.
            apply_steer = final_steer * P.STEER_MAX

            apply_steer = apply_std_steer_torque_limits(
                apply_steer, self.apply_steer_last, CS.steer_torque_driver, P)

            lkas_enabled = enabled and not CS.steer_not_allowed and CS.v_ego > 3.

            if not lkas_enabled:
                apply_steer = 0

            self.apply_steer_last = apply_steer
            idx = (frame / P.STEER_STEP) % 4

            if self.car_fingerprint == CAR.VOLT:
                can_sends.append(
                    gmcan.create_steering_control(self.packer_pt,
                                                  canbus.powertrain,
                                                  apply_steer, idx,
                                                  lkas_enabled))
            if self.car_fingerprint == CAR.CADILLAC_CT6:
                can_sends += gmcan.create_steering_control_ct6(
                    self.packer_pt, canbus, apply_steer, CS.v_ego, idx,
                    lkas_enabled)

        ### GAS/BRAKE ###

        if self.car_fingerprint == CAR.VOLT:
            # no output if not enabled, but keep sending keepalive messages
            # threat pedals as one
            final_pedal = actuators.gas - actuators.brake

            # *** apply pedal hysteresis ***
            final_brake, self.brake_steady = actuator_hystereses(
                final_pedal, self.pedal_steady)

            if not enabled:
                apply_gas = P.MAX_ACC_REGEN  # TODO: do we really need to send max regen when not enabled?
                apply_brake = 0
            else:
                apply_gas = int(
                    round(interp(final_pedal, P.GAS_LOOKUP_BP,
                                 P.GAS_LOOKUP_V)))
                apply_brake = int(
                    round(
                        interp(final_pedal, P.BRAKE_LOOKUP_BP,
                               P.BRAKE_LOOKUP_V)))

            # Gas/regen and brakes - all at 25Hz
            if (frame % 4) == 0:
                idx = (frame / 4) % 4

                at_full_stop = enabled and CS.standstill
                near_stop = enabled and (CS.v_ego < P.NEAR_STOP_BRAKE_PHASE)
                can_sends.append(
                    gmcan.create_friction_brake_command(
                        self.packer_ch, canbus.chassis, apply_brake, idx,
                        near_stop, at_full_stop))

                at_full_stop = enabled and CS.standstill
                can_sends.append(
                    gmcan.create_gas_regen_command(self.packer_pt,
                                                   canbus.powertrain,
                                                   apply_gas, idx, enabled,
                                                   at_full_stop))

            # Send dashboard UI commands (ACC status), 25hz
            if (frame % 4) == 0:
                can_sends.append(
                    gmcan.create_acc_dashboard_command(
                        canbus.powertrain, enabled,
                        hud_v_cruise / CV.MS_TO_KPH, hud_show_car))

            # Radar needs to know current speed and yaw rate (50hz),
            # and that ADAS is alive (10hz)
            time_and_headlights_step = 10
            tt = sec_since_boot()

            if frame % time_and_headlights_step == 0:
                idx = (frame / time_and_headlights_step) % 4
                can_sends.append(
                    gmcan.create_adas_time_status(
                        canbus.obstacle, int((tt - self.start_time) * 60),
                        idx))
                can_sends.append(
                    gmcan.create_adas_headlights_status(canbus.obstacle))

            speed_and_accelerometer_step = 2
            if frame % speed_and_accelerometer_step == 0:
                idx = (frame / speed_and_accelerometer_step) % 4
                can_sends.append(
                    gmcan.create_adas_steering_status(canbus.obstacle, idx))
                can_sends.append(
                    gmcan.create_adas_accelerometer_speed_status(
                        canbus.obstacle, CS.v_ego, idx))

            # Send ADAS keepalive, 10hz
            if frame % P.ADAS_KEEPALIVE_STEP == 0:
                can_sends += gmcan.create_adas_keepalive(canbus.powertrain)

        # Send chimes
        if self.chime != chime:
            duration = 0x3c

            # There is no 'repeat forever' chime command
            # TODO: Manage periodic re-issuing of chime command
            # and chime cancellation
            if chime_cnt == -1:
                chime_cnt = 10

            if chime != 0:
                can_sends.append(
                    gmcan.create_chime_command(canbus.sw_gmlan, chime,
                                               duration, chime_cnt))

            # If canceling a repeated chime, cancel command must be
            # issued for the same chime type and duration
            self.chime = chime

        sendcan.send(
            can_list_to_can_capnp(can_sends, msgtype='sendcan').to_bytes())