Merge changes from topics "head-up-display-enabled", "low-speed-emergency-braking-enabled", "low-speed-emergency-braking-state" into main

* changes:
  Added LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE to HAL
  Added LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED to HAL
  Added HEAD_UP_DISPLAY_ENABLED to HAL
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index e7d4464..4592e84 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -125,6 +125,7 @@
         {VehicleProperty::DISPLAY_BRIGHTNESS, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::PER_DISPLAY_BRIGHTNESS, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::VALET_MODE_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::HEAD_UP_DISPLAY_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::HW_KEY_INPUT, VehiclePropertyAccess::READ},
         {VehicleProperty::HW_KEY_INPUT_V2, VehiclePropertyAccess::READ},
         {VehicleProperty::HW_MOTION_INPUT, VehiclePropertyAccess::READ},
@@ -298,6 +299,8 @@
         {VehicleProperty::LOW_SPEED_COLLISION_WARNING_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::CROSS_TRAFFIC_MONITORING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyAccess::READ},
+        {VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess::READ},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index 3a46a92..c0ed9af 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -125,6 +125,7 @@
         {VehicleProperty::DISPLAY_BRIGHTNESS, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::PER_DISPLAY_BRIGHTNESS, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::VALET_MODE_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::HEAD_UP_DISPLAY_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::HW_KEY_INPUT, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::HW_KEY_INPUT_V2, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::HW_MOTION_INPUT, VehiclePropertyChangeMode::ON_CHANGE},
@@ -298,6 +299,8 @@
         {VehicleProperty::LOW_SPEED_COLLISION_WARNING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::CROSS_TRAFFIC_MONITORING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 7b5412f..0b0bc6c 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -117,6 +117,7 @@
         Map.entry(VehicleProperty.DISPLAY_BRIGHTNESS, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.PER_DISPLAY_BRIGHTNESS, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.VALET_MODE_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.HEAD_UP_DISPLAY_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.HW_KEY_INPUT, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.HW_KEY_INPUT_V2, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.HW_MOTION_INPUT, VehiclePropertyAccess.READ),
@@ -289,7 +290,9 @@
         Map.entry(VehicleProperty.LOW_SPEED_COLLISION_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.LOW_SPEED_COLLISION_WARNING_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_ENABLED, VehiclePropertyAccess.READ_WRITE),
-        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyAccess.READ)
+        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyAccess.READ),
+        Map.entry(VehicleProperty.LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess.READ)
     );
 
 }
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index 4fe45ef..63f8961 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -117,6 +117,7 @@
         Map.entry(VehicleProperty.DISPLAY_BRIGHTNESS, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.PER_DISPLAY_BRIGHTNESS, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.VALET_MODE_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.HEAD_UP_DISPLAY_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HW_KEY_INPUT, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HW_KEY_INPUT_V2, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HW_MOTION_INPUT, VehiclePropertyChangeMode.ON_CHANGE),
@@ -289,7 +290,9 @@
         Map.entry(VehicleProperty.LOW_SPEED_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.LOW_SPEED_COLLISION_WARNING_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
-        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyChangeMode.ON_CHANGE)
+        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode.ON_CHANGE)
     );
 
 }
diff --git a/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
index b4f24a6..4b8060f 100644
--- a/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
@@ -103,7 +103,8 @@
         Map.entry(VehicleProperty.DRIVER_DISTRACTION_STATE, List.of(DriverDistractionState.class, ErrorState.class)),
         Map.entry(VehicleProperty.DRIVER_DISTRACTION_WARNING, List.of(DriverDistractionWarning.class, ErrorState.class)),
         Map.entry(VehicleProperty.LOW_SPEED_COLLISION_WARNING_STATE, List.of(LowSpeedCollisionWarningState.class, ErrorState.class)),
-        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, List.of(CrossTrafficMonitoringWarningState.class, ErrorState.class))
+        Map.entry(VehicleProperty.CROSS_TRAFFIC_MONITORING_WARNING_STATE, List.of(CrossTrafficMonitoringWarningState.class, ErrorState.class)),
+        Map.entry(VehicleProperty.LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE, List.of(LowSpeedAutomaticEmergencyBrakingState.class, ErrorState.class))
     );
 
 }
diff --git a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
index 146da69..3e6e7dc 100644
--- a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
+++ b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
@@ -63,6 +63,7 @@
 using ::aidl::android::hardware::automotive::vehicle::LaneDepartureWarningState;
 using ::aidl::android::hardware::automotive::vehicle::LaneKeepAssistState;
 using ::aidl::android::hardware::automotive::vehicle::LocationCharacterization;
+using ::aidl::android::hardware::automotive::vehicle::LowSpeedAutomaticEmergencyBrakingState;
 using ::aidl::android::hardware::automotive::vehicle::LowSpeedCollisionWarningState;
 using ::aidl::android::hardware::automotive::vehicle::RawPropValues;
 using ::aidl::android::hardware::automotive::vehicle::VehicleAirbagLocation;
@@ -297,6 +298,8 @@
             std::make_unique<ConstantParser<ElectronicStabilityControlState>>();
     mConstantParsersByType["CrossTrafficMonitoringWarningState"] =
             std::make_unique<ConstantParser<CrossTrafficMonitoringWarningState>>();
+    mConstantParsersByType["LowSpeedAutomaticEmergencyBrakingState"] =
+            std::make_unique<ConstantParser<LowSpeedAutomaticEmergencyBrakingState>>();
     mConstantParsersByType["Constants"] = std::make_unique<LocalVariableParser>();
 #ifdef ENABLE_VEHICLE_HAL_TEST_PROPERTIES
     mConstantParsersByType["TestVendorProperty"] =
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index 665c10e..56d8b4b 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -3219,6 +3219,19 @@
             }
         },
         {
+            "property": "VehicleProperty::HEAD_UP_DISPLAY_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    0
+                ]
+            },
+            "areas": [
+                {
+                    "areaId": "Constants::SEAT_1_LEFT"
+                }
+            ]
+        },
+        {
             "property": "VehicleProperty::OBD2_LIVE_FRAME",
             "configArray": [
                 0,
@@ -4191,6 +4204,36 @@
                     ]
                 }
             ]
+        },
+        {
+            "property": "VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    1
+                ]
+            }
+        },
+        {
+            "property": "VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE",
+            "defaultValue": {
+                "int32Values": [
+                    "LowSpeedAutomaticEmergencyBrakingState::ENABLED"
+                ]
+            },
+            "areas": [
+                {
+                    "areaId": 0,
+                    "supportedEnumValues": [
+                        "ErrorState::NOT_AVAILABLE_SAFETY",
+                        "ErrorState::NOT_AVAILABLE_POOR_VISIBILITY",
+                        "ErrorState::NOT_AVAILABLE_SPEED_HIGH",
+                        "ErrorState::NOT_AVAILABLE_DISABLED",
+                        "LowSpeedAutomaticEmergencyBrakingState::ENABLED",
+                        "LowSpeedAutomaticEmergencyBrakingState::ACTIVATED",
+                        "LowSpeedAutomaticEmergencyBrakingState::USER_OVERRIDE"
+                    ]
+                }
+            ]
         }
     ]
 }
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
index dced624..385f616 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
@@ -246,6 +246,13 @@
                         toInt(VehicleProperty::CROSS_TRAFFIC_MONITORING_WARNING_STATE),
                 },
         },
+        // LSAEB
+        {
+                toInt(VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED),
+                {
+                        toInt(VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE),
+                },
+        },
 };
 }  // namespace
 
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
index bbd88da..0c8ebbd 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
@@ -50,6 +50,7 @@
 #include <aidl/android/hardware/automotive/vehicle/LaneDepartureWarningState.h>
 #include <aidl/android/hardware/automotive/vehicle/LaneKeepAssistState.h>
 #include <aidl/android/hardware/automotive/vehicle/LocationCharacterization.h>
+#include <aidl/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.h>
 #include <aidl/android/hardware/automotive/vehicle/LowSpeedCollisionWarningState.h>
 #include <aidl/android/hardware/automotive/vehicle/Obd2CommonIgnitionMonitors.h>
 #include <aidl/android/hardware/automotive/vehicle/Obd2FuelSystemStatus.h>
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
new file mode 100644
index 0000000..70014e1
--- /dev/null
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@Backing(type="int") @VintfStability
+enum LowSpeedAutomaticEmergencyBrakingState {
+  OTHER = 0,
+  ENABLED = 1,
+  ACTIVATED = 2,
+  USER_OVERRIDE = 3,
+}
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index efae92f..672d7d7 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -123,6 +123,7 @@
   DISPLAY_BRIGHTNESS = (((0x0A03 + 0x10000000) + 0x01000000) + 0x00400000) /* 289409539 */,
   PER_DISPLAY_BRIGHTNESS = (((0x0A04 + 0x10000000) + 0x01000000) + 0x00410000) /* 289475076 */,
   VALET_MODE_ENABLED = (((0x0A05 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287312389 */,
+  HEAD_UP_DISPLAY_ENABLED = (((0x0A06 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.SEAT) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 354421254 */,
   HW_KEY_INPUT = (((0x0A10 + 0x10000000) + 0x01000000) + 0x00410000) /* 289475088 */,
   HW_KEY_INPUT_V2 = (((0x0A11 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.SEAT) + android.hardware.automotive.vehicle.VehiclePropertyType.MIXED) /* 367004177 */,
   HW_MOTION_INPUT = (((0x0A12 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.SEAT) + android.hardware.automotive.vehicle.VehiclePropertyType.MIXED) /* 367004178 */,
@@ -296,4 +297,6 @@
   LOW_SPEED_COLLISION_WARNING_STATE = (((0x1022 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411106 */,
   CROSS_TRAFFIC_MONITORING_ENABLED = (((0x1023 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313955 */,
   CROSS_TRAFFIC_MONITORING_WARNING_STATE = (((0x1024 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411108 */,
+  LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED = (((0x1025 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313957 */,
+  LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE = (((0x1026 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411110 */,
 }
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
new file mode 100644
index 0000000..978da25
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+/**
+ * Used to enumerate the state of Low Speed Automatic Emergency Braking.
+ */
+@VintfStability
+@Backing(type="int")
+enum LowSpeedAutomaticEmergencyBrakingState {
+
+    /**
+     * This state is used as an alternative to any LowSpeedAutomaticEmergencyBrakingState value that
+     * is not defined in the platform. Ideally, implementations of
+     * VehicleProperty#LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE should not use this state. The
+     * framework can use this field to remain backwards compatible if
+     * LowSpeedAutomaticEmergencyBrakingState is extended to include additional states.
+     */
+    OTHER = 0,
+    /**
+     * Low Speed Automatic Emergency Braking is enabled and monitoring safety, but brakes are not
+     * activated.
+     */
+    ENABLED = 1,
+    /**
+     * Low Speed Automatic Emergency Braking is enabled and currently has the brakes applied for the
+     * vehicle.
+     */
+    ACTIVATED = 2,
+    /**
+     * Many Low Speed Automatic Emergency Braking implementations allow the driver to override Low
+     * Speed Automatic Emergency Braking. This means that the car has determined it should brake,
+     * but a user decides to take over and do something else. This is often done for safety reasons
+     * and to ensure that the driver can always take control of the vehicle. This state should be
+     * set when the user is actively overriding the low speed automatic emergency braking system.
+     */
+    USER_OVERRIDE = 3,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index acb6aeb..860e620 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -1590,6 +1590,22 @@
     VALET_MODE_ENABLED =
             0x0A05 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
     /**
+     * Head up display (HUD) enabled
+     *
+     * This property allows the user to turn on/off the HUD for their seat.
+     *
+     * Each HUD in the vehicle should be assigned to the seat that is intended to use it. For
+     * example, if there is a single HUD in the vehicle that is used by the driver so that they no
+     * longer need to continuously look at the instrument cluster, then this property should be
+     * defined with a single area ID equal to the driver's seat area value.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ_WRITE
+     * @access VehiclePropertyAccess.READ
+     */
+    HEAD_UP_DISPLAY_ENABLED =
+            0x0A06 + VehiclePropertyGroup.SYSTEM + VehicleArea.SEAT + VehiclePropertyType.BOOLEAN,
+    /**
      * Property to feed H/W input events to android
      *
      * int32Values[0] : action defined by VehicleHwKeyInputAction
@@ -4799,7 +4815,9 @@
      * Enable or disable Automatic Emergency Braking (AEB).
      *
      * Set true to enable AEB and false to disable AEB. When AEB is enabled, the ADAS system in the
-     * vehicle should be turned on and monitoring to avoid potential collisions.
+     * vehicle should be turned on and monitoring to avoid potential collisions. This property
+     * should apply for higher speed applications only. For enabling low speed automatic emergency
+     * braking, LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED should be used.
      *
      * In general, AUTOMATIC_EMERGENCY_BRAKING_ENABLED should always return true or false. If the
      * feature is not available due to some temporary state, such as the vehicle speed being too
@@ -4821,7 +4839,9 @@
      *
      * Returns the current state of AEB. This property must always return a valid state defined in
      * AutomaticEmergencyBrakingState or ErrorState. It must not surface errors through StatusCode
-     * and must use the supported error states instead.
+     * and must use the supported error states instead. This property should apply for higher speed
+     * applications only. For representing the state of the low speed automatic emergency braking
+     * system, LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE should be used.
      *
      * If AEB includes forward collision warnings before activating the brakes, those warnings must
      * be surfaced through the Forward Collision Warning (FCW) properties.
@@ -5646,6 +5666,58 @@
     CROSS_TRAFFIC_MONITORING_WARNING_STATE =
             0x1024 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
 
+    /**
+     * Enable or disable Low Speed Automatic Emergency Braking.
+     *
+     * Set true to enable Low Speed Automatic Emergency Braking or false to disable Low Speed
+     * Automatic Emergency Braking. When Low Speed Automatic Emergency Braking is enabled, the ADAS
+     * system in the vehicle should be turned on and monitoring to avoid potential collisions in low
+     * speed conditions. This property is different from the pre-existing
+     * AUTOMATIC_EMERGENCY_BRAKING_ENABLED, which should apply to higher speed applications only. If
+     * the vehicle doesn't have a separate collision avoidance system for low speed environments,
+     * this property should not be implemented.
+     *
+     * In general, LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED should always return true or false.
+     * If the feature is not available due to some temporary state, such as the vehicle speed being
+     * too low, that information must be conveyed through the ErrorState values in the
+     * LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE property.
+     *
+     * This property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to
+     * implement it as VehiclePropertyAccess.READ only.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ_WRITE
+     * @access VehiclePropertyAccess.READ
+     */
+    LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED =
+            0x1025 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
+
+    /**
+     * Low Speed Automatic Emergency Braking state.
+     *
+     * Returns the current state of Low Speed Automatic Emergency Braking. This property must always
+     * return a valid state defined in LowSpeedAutomaticEmergencyBrakingState or ErrorState. It must
+     * not surface errors through StatusCode and must use the supported error states instead. This
+     * property is different from the pre-existing AUTOMATIC_EMERGENCY_BRAKING_STATE, which should
+     * apply to higher speed applications only. If the vehicle doesn't have a separate collision
+     * avoidance system for low speed environments, this property should not be implemented.
+     *
+     * If Low Speed Automatic Emergency Braking includes collision warnings before activating the
+     * brakes, those warnings must be surfaced through use of LOW_SPEED_COLLISION_WARNING_ENABLED
+     * and LOW_SPEED_COLLISION_WARNING_STATE.
+     *
+     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined
+     * unless all states of both LowSpeedAutomaticEmergencyBrakingState (including OTHER, which is
+     * not recommended) and ErrorState are supported.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ
+     * @data_enum LowSpeedAutomaticEmergencyBrakingState
+     * @data_enum ErrorState
+     */
+    LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE =
+            0x1026 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
+
     /***************************************************************************
      * End of ADAS Properties
      **************************************************************************/
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index d3c34c5..dd13700 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -1042,6 +1042,24 @@
                    VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::INT32);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyHeadUpDisplayEnabledConfig) {
+    verifyProperty(VehicleProperty::HEAD_UP_DISPLAY_ENABLED, VehiclePropertyAccess::READ_WRITE,
+                   VehiclePropertyChangeMode::ON_CHANGE, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::SEAT, VehiclePropertyType::BOOLEAN);
+}
+
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyLowSpeedAutomaticEmergencyBrakingEnabledConfig) {
+    verifyProperty(VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED,
+                   VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
+}
+
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyLowSpeedAutomaticEmergencyBrakingStateConfig) {
+    verifyProperty(VehicleProperty::LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_STATE,
+                   VehiclePropertyAccess::READ, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
 bool VtsHalAutomotiveVehicleTargetTest::checkIsSupported(int32_t propertyId) {
     auto result = mVhalClient->getPropConfigs({propertyId});
     return result.ok();