diff --git a/en/device_api/light/light_if.h b/en/device_api/light/light_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..2c5c41fa1a248a82b138c08742e6370c1fd8752c
--- /dev/null
+++ b/en/device_api/light/light_if.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Light
+ * @{
+ *
+ * @brief Provides APIs for the light service.
+ *
+ * The light module provides a unified interface for the light service to access the light driver.
+ * After obtaining the driver object or proxy, the light service distinguishes light devices by id
+ * and call related APIs to obtain light information, turn on or off a light, or set the blinking mode.
+ *
+ * @since 3.1
+ */
+
+/**
+ * @file Light_if.h
+ *
+ * @brief Declares common APIs of the light module. These APIs can be used to obtain the light id,
+ * turn on or off a light, and set the light brightness and blinking mode.
+ *
+ * @since 3.1
+ */
+
+#ifndef LIGHT_IF_H
+#define LIGHT_IF_H
+
+#include <stdint.h>
+#include "light_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief Defines the basic operations that can be performed on lights.
+ *
+ * The operations include obtaining light information, turning on or off a light,
+ * and setting the light brightness or blinking mode.
+ */
+
+struct LightInterface {
+    /**
+     * @brief Obtains information about all the lights in the system.
+     *
+     * @param lightInfo Indicates the double pointer to the light information. For details, see {@link LightInfo}.
+     * @param count Indicates the pointer to the number of lights.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 3.1
+     */
+    int32_t (*GetLightInfo)(struct LightInfo **lightInfo, uint32_t *count);
+
+    /**
+     * @brief Turns on available lights in the list based on the specified light id.
+     *
+     * @param lightId Indicates the light id. For details, see {@link LightId}.
+     * @param effect Indicates the pointer to the lighting effect, if the lightbrightness field is 0,
+     * light brightness according to the defaultBrightness configured by HCS. For details, see {@link LightEffect}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns <b>-1</b> if the light id is not supported.
+     * @return Returns <b>-2</b> if the blinking setting is not supported.
+     * @return Returns <b>-3</b> if the brightness setting is not supported.
+     *
+     * @since 3.1
+     */
+    int32_t (*TurnOnLight)(uint32_t lightId, struct LightEffect *effect);
+
+    /**
+     * @brief Turns off available lights in the list based on the specified light id.
+     *
+     * @param lightId Indicates the light id. For details, see {@link LightId}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 3.1
+     */
+    int32_t (*TurnOffLight)(uint32_t lightId);
+};
+
+/**
+ * @brief Creates a <b>LightInterface</b> instance.
+ *
+ * The <b>LightInterface</b> instance created can be used to perform related light control operations.
+ *
+ * @return Returns <b>0</b> if the operation fails.
+ * @return Returns a non-zero value if the operation is successful.
+ *
+ * @since 3.1
+ */
+const struct LightInterface *NewLightInterfaceInstance(void);
+
+/**
+ * @brief Releases the <b>LightInterface</b> instance and related resources.
+ *
+ * @return Returns <b>0</b> if the operation is successful.
+ * @return Returns a negative value if the operation fails.
+ *
+ * @since 3.1
+ */
+int32_t FreeLightInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* LIGHT_IF_H */
+/** @} */
\ No newline at end of file
diff --git a/en/device_api/light/light_type.h b/en/device_api/light/light_type.h
new file mode 100644
index 0000000000000000000000000000000000000000..40a8b32dabaf18d9a4f82002d742b625d16fe1a8
--- /dev/null
+++ b/en/device_api/light/light_type.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Light
+ * @{
+ *
+ * @brief Provides APIs for the light service.
+ *
+ * The light module provides a unified interface for the light service to access the light driver.
+ * After obtaining the light driver object or proxy, the service can call related APIs to obtain light information,
+ * turn on or off a light, and set the light blinking mode based on the light id.
+ * @since 3.1
+ */
+
+/**
+ * @file light_type.h
+ *
+ * @brief Defines the light data structure, including the light id, lighting mode,
+ * blinking mode and duration, return values, and lighting effect.
+ * @since 3.1
+ */
+
+#ifndef LIGHT_TYPE_H
+#define LIGHT_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief Enumerates the return values of the light module.
+ *
+ * @since 3.1
+ */
+enum LightStatus {
+    /** The operation is successful. */
+    LIGHT_SUCCESS            = 0,
+    /** The light id is not supported. */
+    LIGHT_NOT_SUPPORT        = -1,
+    /** Blinking setting is not supported. */
+    LIGHT_NOT_FLASH          = -2,
+    /** Brightness setting is not supported. */
+    LIGHT_NOT_BRIGHTNESS     = -3,
+};
+
+/**
+ * @brief Enumerates the light ids.
+ *
+ * @since 3.1
+ */
+enum LightId {
+    /** Unknown id */
+    LIGHT_ID_NONE                = 0,
+    /** Power light */
+    LIGHT_ID_BATTERY             = 1,
+    /** Notification light */
+    LIGHT_ID_NOTIFICATIONS       = 2,
+    /** Alarm light */
+    LIGHT_ID_ATTENTION           = 3,
+    /** Invalid id */
+    LIGHT_ID_BUTT                = 4,
+};
+
+/**
+ * @brief Enumerates the lighting modes.
+ *
+ * @since 3.1
+ */
+enum LightFlashMode {
+    /** Steady on */
+    LIGHT_FLASH_NONE     = 0,
+    /** Blinking */
+    LIGHT_FLASH_TIMED    = 1,
+    /** Invalid mode */
+    LIGHT_FLASH_BUTT     = 2,
+};
+
+/**
+ * @brief Defines the blinking parameters.
+ *
+ * The parameters include the blinking mode and the on and off time for the light in a blinking period.
+ *
+ * @since 3.1
+ */
+struct LightFlashEffect {
+    /** Blinking mode. For details, see {@link LightFlashMode}. */
+    int32_t flashMode;
+    /** Duration (in ms) for which the light is on in a blinking period. */
+    int32_t onTime;
+    /** Duration (in ms) for which the light is off in a blinking period. */
+    int32_t offTime;
+};
+
+/**
+ * @brief Defines the lighting effect parameters.
+ *
+ * The parameters include the brightness and blinking mode.
+ *
+ * @since 3.1
+ */
+struct LightEffect {
+    /**
+     * Brightness value. Bits 24–31 for extended bit, Bits 16–23 for red,
+     * bits 8–15 for green, and bits 0–7 for blue. if the byte segment is not equal to 0,
+     * indicates turn on light of the corresponding color.
+    */
+    int32_t lightBrightness;
+    /** Blinking mode. For details, see {@link LightFlashEffect}. */
+    struct LightFlashEffect flashEffect;
+};
+
+/**
+ * @brief Defines the basic light information.
+ *
+ * Basic light information includes the light id and custom extended information.
+ *
+ * @since 3.1
+ */
+struct LightInfo {
+    /** Light id. For details, see {@link LightId}. */
+    uint32_t lightId;
+    /** Custom extended information. */
+    int32_t reserved;
+};
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* LIGHT_TYPE_H */
+/** @} */
diff --git a/en/device_api/sensor/sensor_if.h b/en/device_api/sensor/sensor_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..bca34655e1ab30418cd2456e433c8b9d073d91eb
--- /dev/null
+++ b/en/device_api/sensor/sensor_if.h
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Sensor
+ * @{
+ *
+ * @brief Provides unified APIs for sensor services to access sensor drivers.
+ *
+ * A sensor service can obtain a sensor driver object or agent and then call APIs provided by this object or agent to
+ * access different types of sensor devices based on the sensor IDs, thereby obtaining sensor information,
+ * subscribing to or unsubscribing from sensor data, enabling or disabling a sensor,
+ * setting the sensor data reporting mode, and setting sensor options such as the accuracy and measurement range.
+ *
+ * @since 2.2
+ */
+
+/**
+ * @file sensor_if.h
+ *
+ * @brief Declares the APIs provided by the sensor module for obtaining sensor information, subscribing to or
+ * unsubscribing from sensor data, enabling or disabling a sensor, setting the sensor data reporting mode,
+ * and setting sensor options such as the accuracy and measurement range.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef SENSOR_IF_H
+#define SENSOR_IF_H
+
+#include "sensor_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief Defines the functions for performing basic operations on sensors.
+ *
+ * The operations include obtaining sensor information, subscribing to or unsubscribing from sensor data,
+ * enabling or disabling a sensor, setting the sensor data reporting mode, and setting sensor options such as
+ * the accuracy and measurement range.
+ */
+struct SensorInterface {
+    /**
+     * @brief Obtains information about all sensors in the system.
+     *
+     * @param sensorInfo Indicates the double pointer to the information about all sensors in the system.
+     * The information about a sensor generally includes the sensor name, sensor vendor, firmware version,
+     * hardware version, sensor type ID, sensor ID, maximum measurement range, accuracy, and power. For details,
+     * see {@link SensorInformation}.
+     * @param count Indicates the pointer to the total number of sensors in the system.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*GetAllSensors)(struct SensorInformation **sensorInfo, int32_t *count);
+
+    /**
+     * @brief Enables the sensor available in the sensor list based on the specified sensor ID.
+     * The subscriber can obtain the sensor data only after the sensor is enabled.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Enable)(int32_t sensorId);
+
+    /**
+     * @brief Disables an enabled sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Disable)(int32_t sensorId);
+
+    /**
+     * @brief Sets the data sampling interval and data reporting interval for the specified sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param samplingInterval Indicates the sensor data sampling interval to set, in nanoseconds.
+     * @param reportInterval Indicates the sensor data reporting interval, in nanoseconds.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetBatch)(int32_t sensorId, int64_t samplingInterval, int64_t reportInterval);
+
+    /**
+     * @brief Sets the data reporting mode for the specified sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param mode Indicates the data reporting mode to set. For details, see {@link SensorModeType}.
+     *
+     * @return Returns <b>0</b> if the sensor data reporting mode is successfully set.
+     * @return Returns a negative value if the sensor data reporting mode is failed set.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetMode)(int32_t sensorId, int32_t mode);
+
+    /**
+     * @brief Sets options for the specified sensor, including its measurement range and accuracy.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param option Indicates the options to set, such as the measurement range and accuracy.
+     *
+     * @return Returns <b>0</b> if the options are successfully set.
+     * @return Returns <b>0</b> if the options are failed set.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetOption)(int32_t sensorId, uint32_t option);
+
+    /**
+     * @brief Registers the callback for reporting sensor data to the subscriber.
+     *
+     * @param groupId Indicates the sensor group ID.
+     * The sensorId enumeration value range is 128-160, which means that the medical sensor service is subscribed.
+     * It only needs to be subscribed once successfully, and there is no need to subscribe repeatedly.
+     * The sensorId enumeration value range is not within 128-160, which means that the traditional sensor
+     * is subscribed, and the subscription is successful once.
+     * @param cb Indicates the callback to register. For details, see {@link RecordDataCallback}.
+     *
+     * @return Returns <b>0</b> if the callback is successfully registered.
+     * @return Returns a negative value if the  callback is failed registered..
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Register)(int32_t groupId, RecordDataCallback cb);
+
+    /**
+     * @brief Deregisters the callback for reporting sensor data.
+     *
+     * @param groupId Indicates the sensor group ID.
+     * The sensorId enumeration value range is 128-160, which means that the medical sensor service is subscribed.
+     * It only needs to cancel the subscription once successfully, and there is no need to
+     * cancel the subscription repeatedly. The sensorId enumeration value range is not within 128-160,
+     * which means that the traditional sensor is subscribed. You can cancel the subscription once successfully.
+     * @param cb Indicates the callback to register. For details, see {@link RecordDataCallback}.
+     *
+     * @return Returns <b>0</b> if the callback is successfully deregistered.
+     * @return Returns a negative value if the callback is failed deregistered.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Unregister)(int32_t groupId, RecordDataCallback cb);
+};
+
+/**
+ * @brief Creates a <b>SensorInterface</b> instance.
+ *
+ * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+ * You can use the instance to obtain sensor information, subscribe to or unsubscribe from sensor data,
+ * enable or disable a sensor, set the sensor data reporting mode, and set the sensor options such as the accuracy and
+ * measurement range.
+ * @param cb Indicates the callback to register. For details, see {@link RecordDataCallback}.
+ *
+ * @return Returns a non-zero value if the instance is successfully created.
+ * @return Returns a negative value if the instance is failed created.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+const struct SensorInterface *NewSensorInterfaceInstance(void);
+
+/**
+ * @brief Releases the <b>SensorInterface</b> instance.
+ *
+ * @return Returns <b>0</b> if the instance is successfully released.
+ * @return Returns a negative value if the instance is failed released.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+int32_t FreeSensorInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* SENSOR_IF_H */
+/** @} */
diff --git a/en/device_api/sensor/sensor_type.h b/en/device_api/sensor/sensor_type.h
new file mode 100644
index 0000000000000000000000000000000000000000..c7af7feddc2101d3b184f34b178f7b54a2f7a6e8
--- /dev/null
+++ b/en/device_api/sensor/sensor_type.h
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Sensor
+ * @{
+ *
+ * @brief Provides unified APIs for sensor services to access sensor drivers.
+ *
+ * A sensor service can obtain a sensor driver object or agent and then call APIs provided by this object or agent to
+ * access different types of sensor devices based on the sensor IDs, thereby obtaining sensor information,
+ * subscribing to or unsubscribing from sensor data, enabling or disabling a sensor,
+ * setting the sensor data reporting mode, and setting sensor options such as the accuracy and measurement range.
+ *
+ * @version 1.0
+ */
+
+/**
+ * @file sensor_type.h
+ *
+ * @brief Defines the data used by the sensor module, including the sensor types, sensor information,
+ * and reported sensor data.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef SENSOR_TYPE_H
+#define SENSOR_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**< Maximum length of the sensor name */
+#define SENSOR_NAME_MAX_LEN       32
+/**< Maximum length of the sensor version */
+#define SENSOR_VERSION_MAX_LEN    16
+
+/**
+ * @brief Enumerates return values of the sensor module.
+ *
+ * @since 2.2
+ */
+enum SensorStatus {
+    /**< The operation is successful. */
+    SENSOR_SUCCESS           = 0,
+    /**< The operation failed. */
+    SENSOR_FAILURE           = -1,
+    /**< The operation is not supported. */
+    SENSOR_NOT_SUPPORT       = -2,
+    /**< The sensor parameter is invalid. */
+    SENSOR_INVALID_PARAM     = -3,
+    /**< The sensor service is invalid. */
+    SENSOR_INVALID_SERVICE   = -4,
+    /**< The pointer is null. */
+    SENSOR_NULL_PTR          = -5,
+};
+
+/**
+ * @brief Enumerates sensor types.
+ *
+ * @since 2.2
+ */
+enum SensorTypeTag {
+    /**< None, for testing only */
+    SENSOR_TYPE_NONE                = 0,
+    /**< Acceleration sensor */
+    SENSOR_TYPE_ACCELEROMETER       = 1,
+    /**< Gyroscope sensor */
+    SENSOR_TYPE_GYROSCOPE           = 2,
+    /**< Photoplethysmography sensor */
+    SENSOR_TYPE_PHOTOPLETHYSMOGRAPH = 3,
+    /**< Electrocardiogram (ECG) sensor */
+    SENSOR_TYPE_ELECTROCARDIOGRAPH  = 4,
+    /**< Ambient light sensor */
+    SENSOR_TYPE_AMBIENT_LIGHT       = 5,
+    /**< Magnetic field sensor */
+    SENSOR_TYPE_MAGNETIC_FIELD      = 6,
+    /**< Capacitive sensor */
+    SENSOR_TYPE_CAPACITIVE          = 7,
+    /**< Barometric pressure sensor */
+    SENSOR_TYPE_BAROMETER           = 8,
+    /**< Temperature sensor */
+    SENSOR_TYPE_TEMPERATURE         = 9,
+    /**< Hall effect sensor */
+    SENSOR_TYPE_HALL                = 10,
+    /**< Gesture sensor */
+    SENSOR_TYPE_GESTURE             = 11,
+    /**< Proximity sensor */
+    SENSOR_TYPE_PROXIMITY           = 12,
+    /**< Humidity sensor */
+    SENSOR_TYPE_HUMIDITY            = 13,
+    /**< The begin of medical sensorId enumeration value range */
+    SENSOR_TYPE_MEDICAL_BEGIN       = 128,
+    /**< The end of medical sensorId enumeration value range */
+    SENSOR_TYPE_MEDICAL_END         = 160,
+    /**< Maximum type of a physical sensor */
+    SENSOR_TYPE_PHYSICAL_MAX        = 255,
+    /**< Orientation sensor */
+    SENSOR_TYPE_ORIENTATION         = 256,
+    /**< Gravity sensor */
+    SENSOR_TYPE_GRAVITY             = 257,
+    /**< Linear acceleration sensor */
+    SENSOR_TYPE_LINEAR_ACCELERATION = 258,
+    /**< Rotation vector sensor */
+    SENSOR_TYPE_ROTATION_VECTOR     = 259,
+    /**< Ambient temperature sensor */
+    SENSOR_TYPE_AMBIENT_TEMPERATURE = 260,
+    /**< Uncalibrated magnetic field sensor */
+    SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED = 261,
+    /**< Game rotation vector sensor */
+    SENSOR_TYPE_GAME_ROTATION_VECTOR        = 262,
+    /**< Uncalibrated gyroscope sensor */
+    SENSOR_TYPE_GYROSCOPE_UNCALIBRATED      = 263,
+    /**< Significant motion sensor */
+    SENSOR_TYPE_SIGNIFICANT_MOTION          = 264,
+    /**< Pedometer detection sensor */
+    SENSOR_TYPE_PEDOMETER_DETECTION         = 265,
+    /**< Pedometer sensor */
+    SENSOR_TYPE_PEDOMETER                   = 266,
+    /**< Geomagnetic rotation vector sensor */
+    SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR = 277,
+    /**< Heart rate sensor */
+    SENSOR_TYPE_HEART_RATE                  = 278,
+    /**< Device orientation sensor */
+    SENSOR_TYPE_DEVICE_ORIENTATION          = 279,
+    /**< Wear detection sensor */
+    SENSOR_TYPE_WEAR_DETECTION              = 280,
+    /**< Uncalibrated acceleration sensor */
+    SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED  = 281,
+    /**< Maximum number of sensor types */
+    SENSOR_TYPE_MAX,
+};
+
+/**
+ * @brief Enumerates accuracy types of sensors.
+ *
+ * @since 2.2
+ */
+enum SensorAccuracyType {
+    /**< No accuracy */
+    SENSOR_NO_ACCURACY     = 0,
+    /**< Low accuracy */
+    SENSOR_LOW_ACCURACY    = 1,
+    /**< Medium accuracy */
+    SENSOR_MEDIUM_ACCURACY = 2,
+    /**< High accuracy */
+    SENSOR_HIGH_ACCURACY   = 3,
+    /**< Maximum accuracy */
+    SENSOR_MAX_ACCURACY,
+};
+
+/**
+ * @brief Enumerates measurement ranges of sensors.
+ *
+ * @since 2.2
+ */
+enum SensorRangeType {
+    /**< Measurement range level 1 */
+    SENSOR_RANGE_LEVEL1 = 0,
+    /**< Measurement range level 2 */
+    SENSOR_RANGE_LEVEL2 = 1,
+    /**< Measurement range level 3 */
+    SENSOR_RANGE_LEVEL3 = 2,
+    /**< Maximum measurement range level */
+    SENSOR_RANGE_LEVEL_MAX,
+};
+
+/**
+ * @brief Enumerates data reporting modes of sensors.
+ *
+ * @since 2.2
+ */
+enum SensorModeType {
+    /**< Default data reporting mode */
+    SENSOR_MODE_DEFAULT   = 0,
+    /**< Real-time data reporting mode to report a group of data each time */
+    SENSOR_MODE_REALTIME  = 1,
+    /**< Real-time data reporting mode to report data upon status changes */
+    SENSOR_MODE_ON_CHANGE = 2,
+    /**< Real-time data reporting mode to report data only once */
+    SENSOR_MODE_ONE_SHOT  = 3,
+    /**< FIFO-based data reporting mode to report data based on the configured cache size */
+    SENSOR_MODE_FIFO_MODE = 4,
+    /**< Maximum sensor data reporting mode */
+    SENSOR_MODE_MAX,
+};
+
+/**
+ * @brief Enumerates hardware service group for sensors.
+ *
+ * @since 2.2
+ */
+enum SensorGroupType {
+    /**< traditional sensor type, the sensorId enumeration value range is 128-160 */
+    TRADITIONAL_SENSOR_TYPE = 0,
+    /**< medical sensor type, the sensorId enumeration value range is not within 128-160 */
+    MEDICAL_SENSOR_TYPE = 1,
+    /**< Maximum sensor type */
+    SENSOR_GROUP_TYPE_MAX,
+};
+
+/**
+ * @brief Defines basic sensor information.
+ *
+ * Information about a sensor includes the sensor name, vendor, firmware version, hardware version, sensor type ID,
+ * sensor ID, maximum measurement range, accuracy, and power.
+ *
+ * @since 2.2
+ */
+struct SensorInformation {
+    /**< Sensor name */
+    char sensorName[SENSOR_NAME_MAX_LEN];
+    /**< Sensor vendor */
+    char vendorName[SENSOR_NAME_MAX_LEN];
+    /**< Sensor firmware version */
+    char firmwareVersion[SENSOR_VERSION_MAX_LEN];
+    /**< Sensor hardware version */
+    char hardwareVersion[SENSOR_VERSION_MAX_LEN];
+    /**< Sensor type ID (described in {@link SensorTypeTag}) */
+    int32_t sensorTypeId;
+    /**< Sensor ID, defined by the sensor driver developer */
+    int32_t sensorId;
+    /**< Maximum measurement range of the sensor */
+    float maxRange;
+    /**< Sensor accuracy */
+    float accuracy;
+    /**< Sensor power */
+    float power;
+};
+
+/**
+ * @brief Defines the data reported by the sensor.
+ *
+ * The reported sensor data includes the sensor ID, sensor algorithm version, data generation time,
+ * data options (such as the measurement range and accuracy), data reporting mode, data address, and data length.
+ *
+ * @since 2.2
+ */
+struct SensorEvents {
+    /**< Sensor ID */
+    int32_t sensorId;
+    /**< Sensor algorithm version */
+    int32_t version;
+    /**< Time when sensor data was generated */
+    int64_t timestamp;
+    /**< Sensor data options, including the measurement range and accuracy */
+    uint32_t option;
+    /**< Sensor data reporting mode */
+    int32_t mode;
+    /**< Sensor data address */
+    uint8_t *data;
+    /**< Sensor data length */
+    uint32_t dataLen;
+};
+
+/**
+ * @brief Defines the callback for reporting sensor data. This callback needs to be registered when
+ * a sensor user subscribes to sensor data. Only after the sensor is enabled, the sensor data subscriber can receive
+ * sensor data. For details, see {@link SensorInterface}.
+ *
+ * @since 2.2
+ */
+typedef int32_t (*RecordDataCallback)(const struct SensorEvents*);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* SENSOR_TYPE_H */
+/** @} */
+
diff --git a/en/device_api/vibrator/vibrator_if.h b/en/device_api/vibrator/vibrator_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..16f1b5502f611842a5f36eca6b7f0171644a4a37
--- /dev/null
+++ b/en/device_api/vibrator/vibrator_if.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Vibrator
+ * @{
+ *
+ * @brief Provides a driver for upper-layer vibrator services.
+ *
+ * After obtaining a driver object or agent, a vibrator service starts or stops the vibrator
+ * using the functions provided by the driver object or agent.
+ *
+ * @since 2.2
+ */
+
+/**
+ * @file vibrator_if.h
+ *
+ * @brief Declares common APIs in the vibrator module. The APIs can be used to control
+ * the vibrator to perform a one-shot or periodic vibration.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef VIBRATOR_IF_H
+#define VIBRATOR_IF_H
+
+#include <stdint.h>
+#include "vibrator_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+struct VibratorInterface {
+    /**
+     * @brief Controls the vibrator to perform a one-shot vibration that lasts for a given duration.
+     *
+     * One-shot vibration is mutually exclusive with periodic vibration. Before using one-shot vibration,
+     * exit periodic vibration.
+     *
+     * @param duration Indicates the duration that the one-shot vibration lasts, in milliseconds.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*StartOnce)(uint32_t duration);
+
+    /**
+     * @brief Controls the vibrator to perform a periodic vibration with the preset effect.
+     *
+     * One-shot vibration is mutually exclusive with periodic vibration. Before using periodic vibration,
+     * exit one-shot vibration.
+     *
+     * @param effectType Indicates the pointer to the preset effect type. It is recommended that the
+     * maximum length be 64 bytes.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Start)(const char *effectType);
+
+    /**
+     * @brief Stops the vibration.
+     *
+     * Before the vibrator starts, it must stop vibrating in any mode. This function can be used during
+     * and after the vibrating process.
+     *
+     * @param mode Indicates the vibration mode, which can be one-shot or periodic. For details,
+     * see {@link VibratorMode}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a negative value if the operation fails.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Stop)(enum VibratorMode mode);
+};
+
+/**
+ * @brief Creates a <b>VibratorInterface</b> instance.
+ *
+ * The obtained <b>VibratorInterface</b> instance can be used to control the vibrator to vibrate as configured.
+ *
+ * @return Returns <b>0</b> if the operation is successful.
+ * @return Returns a negative value if the operation fails.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+const struct VibratorInterface *NewVibratorInterfaceInstance(void);
+
+/**
+ * @brief Releases this <b>VibratorInterface</b> instance to free up related resources.
+ *
+ * @return Returns <b>0</b> if the operation is successful.
+ * @return Returns a negative value if the operation fails.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+int32_t FreeVibratorInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* VIBRATOR_IF_H */
+/** @} */
diff --git a/en/device_api/vibrator/vibrator_type.h b/en/device_api/vibrator/vibrator_type.h
new file mode 100644
index 0000000000000000000000000000000000000000..d541228f8e452341e7150a035e836c0d838739d3
--- /dev/null
+++ b/en/device_api/vibrator/vibrator_type.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup Vibrator
+ * @{
+ *
+ * @brief Provides unified APIs for vibrator services to access the vibrator driver.
+ *
+ * After obtaining a driver object or agent, a vibrator service starts or stops the vibrator
+ * using the functions provided by the driver object or agent.
+ *
+ * @version 1.0
+ */
+
+/**
+ * @file vibrator_type.h
+ *
+ * @brief Defines the vibrator data structure, including the vibration mode and effect type.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef VIBRATOR_TYPE_H
+#define VIBRATOR_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief Enumerates the vibration modes of this vibrator.
+ *
+ * @since 2.2
+ */
+enum VibratorMode {
+    /** Indicates the one-shot vibration with the given duration. */
+    VIBRATOR_MODE_ONCE   = 0,
+    /** Indicates the periodic vibration with the preset effect. */
+    VIBRATOR_MODE_PRESET = 1,
+    /** Indicates invalid the effect mode. */
+    VIBRATOR_MODE_BUTT
+};
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* VIBRATOR_TYPE_H */
+/** @} */
diff --git a/zh-cn/device_api/light/light.type.h b/zh-cn/device_api/light/light.type.h
new file mode 100644
index 0000000000000000000000000000000000000000..b00e75861c06e83f44bbf01a2fbb39014b956465
--- /dev/null
+++ b/zh-cn/device_api/light/light.type.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 灯
+ * @{
+ *
+ * @brief 灯模块对灯服务提供通用的接口能力。
+ *
+ * 灯模块为灯服务提供通用的接口去访问灯驱动。
+ * 服务获取灯驱动对象或代理后，可以调用相关的APIs接口获取灯信息。
+ * 打开或关闭灯，并根据灯id设置灯闪烁模式。
+ *
+ * @since 3.1
+ */
+
+/**
+ * @file Light_if.h
+ *
+ * @brief 定义灯的数据结构，包括灯id，灯的模式，灯的闪烁模式和持续时间，灯的状态，灯的效果。
+ * @since 3.1
+ */
+
+#ifndef LIGHT_TYPE_H
+#define LIGHT_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief 枚举灯模块的状态值。
+ * @since 3.1
+ */
+
+enum LightStatus {
+    /** 操作成功 */
+    LIGHT_SUCCESS            = 0,
+    /** 灯id不支持 */
+    LIGHT_NOT_SUPPORT        = -1,
+    /** 设置闪烁不支持 */
+    LIGHT_NOT_FLASH          = -2,
+    /** 设置亮度不支持 */
+    LIGHT_NOT_BRIGHTNESS     = -3,
+};
+
+/**
+ * @brief 枚举灯ids
+ *
+ * @since 3.1
+ */
+enum LightId {
+    /** 未知id */
+    LIGHT_ID_NONE                = 0,
+    /** 电源指示灯 */
+    LIGHT_ID_BATTERY             = 1,
+    /** 通知灯 */
+    LIGHT_ID_NOTIFICATIONS       = 2,
+    /** 报警灯 */
+    LIGHT_ID_ATTENTION           = 3,
+    /** 无效id */
+    LIGHT_ID_BUTT                = 4,
+};
+
+/**
+ * @brief 枚举灯的模式
+ *
+ * @since 3.1
+ */
+enum LightFlashMode {
+    /** 常亮 */
+    LIGHT_FLASH_NONE     = 0,
+    /** 闪烁 */
+    LIGHT_FLASH_TIMED    = 1,
+    /** 无效模式 */
+    LIGHT_FLASH_BUTT     = 2,
+};
+
+/**
+ * @brief 定义闪烁参数。
+ *
+ * 这些参数包括闪烁模式以及闪烁期间指示灯的打开和关闭时间。
+ *
+ * @since 3.1
+ */
+struct LightFlashEffect {
+    /** 闪烁模式。详见{@link LightFlashMode}. */
+    int32_t flashMode;
+    /** 表示灯在闪烁期间点亮时持续的时间（毫秒）。 */
+    int32_t onTime;
+    /** 表示灯在闪烁期间熄灭时持续的时间（毫秒）。 */
+    int32_t offTime;
+};
+
+/**
+ * @brief 定义灯的效果参数。
+ *
+ * 参数包括亮度和闪烁模式。
+ *
+ * @since 3.1
+ */
+struct LightEffect {
+    /**
+     * 亮度值：Bits 24–31为扩展位，Bits 16–23为红色，bits 8–15为绿色，bits 0–7为蓝色。
+     * 如果字节段不等于0，指示打开相应颜色的灯。
+    */
+    int32_t lightBrightness;
+    /** 闪烁模式。详见{@link LightFlashEffect}. */
+    struct LightFlashEffect flashEffect;
+};
+
+/**
+ * @brief 定义灯的基本信息。
+ *
+ * 基本的灯信息包括灯id和自定义扩展信息。
+ *
+ * @since 3.1
+ */
+struct LightInfo {
+    /** 灯id。 详见{@link LightId}. */
+    uint32_t lightId;
+    /** 自定义扩展信息。 */
+    int32_t reserved;
+};
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* LIGHT_TYPE_H */
+/** @} */
+
diff --git a/zh-cn/device_api/light/light_if.h b/zh-cn/device_api/light/light_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..4c3d87fec0e09741177552f5ac4bbd1c6019d555
--- /dev/null
+++ b/zh-cn/device_api/light/light_if.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 灯
+ * @{
+ *
+ * @brief 灯模块对灯服务提供通用的接口能力。
+ *
+ * 灯模块为灯服务提供通用的接口去访问灯驱动。
+ * 服务获取灯驱动对象或代理后，可以调用相关的APIs接口获取灯信息。
+ * 打开或关闭灯，并根据灯id设置灯闪烁模式。
+ *
+ * @since 3.1
+ */
+
+/**
+ * @file Light_if.h
+ *
+ * @brief 定义灯的数据结构，包括灯id，灯的模式，灯的闪烁模式和持续时间，操作灯返回的状态，灯的效果。
+ * @since 3.1
+ */
+
+#ifndef LIGHT_IF_H
+#define LIGHT_IF_H
+
+#include <stdint.h>
+#include "light_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief 定义可以在灯上执行的基本操作。
+ *
+ * 操作包括获取灯的信息, 打开或关闭灯，设置灯的亮度或闪烁模式。
+ */
+
+struct LightInterface {
+    /**
+     * @brief 获取当前系统中所有类型的灯信息。
+     *
+     * @param lightInfo 表示指向灯信息的二级指针。详见{@link LightInfo}。
+     * @param count 表示指向灯数量的指针。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 3.1
+     */
+    int32_t (*GetLightInfo)(struct LightInfo **lightInfo, uint32_t *count);
+
+    /**
+     * @brief 根据指定的灯id打开列表中的可用灯。
+     *
+     * @param lightId 表示灯id。详见{@link LightId}。
+     * @param effect 表示指向灯效果的指针，如果lightbrightness字段为0时，
+     * 灯的亮度根据HCS配置的默认亮度进行设置。详见{@link LightEffect}。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果不支持灯id，则返回-1。
+     * @return 如果不支持闪烁设置，则返回-2。
+     * @return 如果不支持亮度设置，则返回3。
+     *
+     * @since 3.1
+     */
+    int32_t (*TurnOnLight)(uint32_t lightId, struct LightEffect *effect);
+
+    /**
+     * @brief 根据指定的灯id打开列表中的可用灯。
+     *
+     * @param lightId 表示灯id。详见{@link LightId}。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 3.1
+     */
+    int32_t (*TurnOffLight)(uint32_t lightId);
+};
+
+/**
+ * @brief 创建LightInterface实例。
+ *
+ * 创建的LightInterface实例可用于执行相关的灯控制操作。
+ *
+ * @return 如果操作成功，则返回0。
+ * @return 如果操作失败，则返回负值。
+ *
+ * @since 3.1
+ */
+const struct LightInterface *NewLightInterfaceInstance(void);
+
+/**
+ * @brief 释放LightInterface实例和相关资源。
+ *
+ * @return 如果操作成功，则返回0。
+ * @return 如果操作失败，则返回负值。
+ *
+ * @since 3.1
+ */
+int32_t FreeLightInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* LIGHT_IF_H */
+/** @} */
\ No newline at end of file
diff --git a/zh-cn/device_api/sensor/sensor_if.h b/zh-cn/device_api/sensor/sensor_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..469246148a1992029f35e013e5d7ddcc5fed0467
--- /dev/null
+++ b/zh-cn/device_api/sensor/sensor_if.h
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 传感器
+ * @{
+ *
+ * @brief 传感器设备驱动对传感器服务提供通用的接口能力。
+ *
+ * 模块提供传感器服务对传感器驱动访问统一接口，服务获取驱动对象或者代理后，通过其提供的各类方法，实现获取传感器设备信息、订阅/去订阅传感器数据、
+ * 使能/去使能传感器、设置传感器模式、设置传感器精度，量程等可选配置等。
+ *
+ * @since 2.2
+ */
+
+/**
+ * @file sensor_if.h
+ *
+ * @brief  Sensor模块对外通用的接口声明文件，提供获取传感器设备信息、订阅/去订阅传感器数据、
+ * 使能/去使能传感器、设置传感器模式、设置传感器精度，量程等可选配置接口定义。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef SENSOR_IF_H
+#define SENSOR_IF_H
+
+#include "sensor_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief 提供sensor设备基本控制操作接口。
+ *
+ * 结构体提供获取传感器设备信息、订阅/去订阅传感器数据、
+ * 使能/去使能传感器、设置传感器模式、设置传感器精度，量程等可选配置接口定义。
+ */
+struct SensorInterface {
+    /**
+     * @brief 获取当前系统中所有类型的传感器信息。
+     *
+     * @param sensorInfo 输出系统中注册的所有传感器信息，一种类型传感器信息包括传感器名字、设备厂商、
+     * 固件版本号、硬件版本号、传感器类型编号、传感器标识、最大量程、精度、功耗。详见{@link SensorInformation}。
+     * @param count 输出系统中注册的传感器数量。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*GetAllSensors)(struct SensorInformation **sensorInfo, int32_t *count);
+
+    /**
+     * @brief 根据传感器设备类型标识使能传感器信息列表里存在的设备，只有数据订阅者使能传感器后，才能获取订阅的传感器数据。
+     *
+     * @param sensorId 唯一标识一个传感器设备类型。详见{@link SensorTypeTag}。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Enable)(int32_t sensorId);
+
+    /**
+     * @brief  去使能一种传感器设备。
+     *
+     * @param sensorId 唯一标识一个传感器设备类型。详见{@link SensorTypeTag}。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Disable)(int32_t sensorId);
+
+    /**
+     * @brief 设置指定传感器的数据采样间隔和数据上报间隔。
+     *
+     * @param sensorId 唯一标识一个传感器设备类型。详见{@link SensorTypeTag}。
+     * @param samplingInterval 设置指定传感器的数据采样间隔，单位纳秒。
+     * @param reportInterval 表示传感器数据上报间隔，单位纳秒。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetBatch)(int32_t sensorId, int64_t samplingInterval, int64_t reportInterval);
+
+    /**
+     * @brief 设置指定传感器的数据上报模式，不同的工作模式，上报数据的方式不同。
+     *
+     * @param sensorId 唯一标识一个传感器设备类型。详见{@link SensorTypeTag}。
+     * @param mode 传感器的数据上报模式。详见{@link SensorModeType}。
+     *
+     * @return 如果设置传感器数据报告模式成功，则返回0。
+     * @return 如果设置传感器数据报告模式失败，则返回负数。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetMode)(int32_t sensorId, int32_t mode);
+
+    /**
+     * @brief 设置指定传感器量程，精度等可选配置。
+     *
+     * @param sensorId 唯一标识一个传感器设备类型。详见{@link SensorTypeTag}。
+     * @param option 传感器的量程，精度等配置。
+     *
+     * @return 如果设置参数成功，则返回0。
+     * @return 如果设置参数失败，则返回负数。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*SetOption)(int32_t sensorId, uint32_t option);
+
+    /**
+     * @brief 订阅者注册传感器数据回调函数，系统会将获取到的传感器数据上报给订阅者。
+     *
+     * @param groupId 传感器组ID。
+     * sensorId枚举值范围为128-160，表示已订阅医疗传感器服务，只需成功订阅一次，无需重复订阅。
+
+     * sensorId枚举值范围不在128-160之间，这意味着传统传感器已订阅，并且订阅成功一次。
+     * @param cb 要注册的回调函数。详见{@link RecordDataCallback}。
+     *
+     * @return 如果注册回调函数成功，则返回0。
+     * @return 如果注册回调函数失败，则返回负数。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Register)(int32_t groupId, RecordDataCallback cb);
+
+    /**
+     * @brief 订阅者去注册传感器数据回调函数。
+     *
+     * @param groupId 传感器组ID。
+     * sensorId枚举值范围为128-160，表示已订阅医疗传感器服务。只需成功取消订阅一次，无需重复取消订阅。
+     * sensorId枚举值范围不在128-160之间，这意味着传统传感器已订阅。并且成功取消订阅。
+     * @param cb 要注册的回调函数。详见{@link RecordDataCallback}。
+     *
+     * @return 如果取消注册回调函数成功，则返回0。
+     * @return 如果取消注册回调函数失败，则返回负数。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Unregister)(int32_t groupId, RecordDataCallback cb);
+};
+
+/**
+ * @brief 创建传感器接口实例。
+ *
+ * @param sensorId 表示传感器ID。有关详细信息，请参阅{@link SensorTypeTag}。
+ * 可以使用该实例获取传感器信息，订阅或取消订阅传感器数据，打开或关闭传感器，
+ * 设置传感器数据报告模式，并设置传感器参数，如精度和测量范围。
+ * @param cb 表示要注册的回调函数。有关详细信息，请参阅{@link RecordDataCallback}。
+ *
+ * @return 如果创建实例成功，则返回非零值。
+ * @return 如果创建实例失败，则返回负值。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+const struct SensorInterface *NewSensorInterfaceInstance(void);
+
+/**
+ * @brief 释放传感器接口实例。
+ *
+ * @return 如果释放实例成功，则返回0。
+ * @return 如果释放实例失败，则返回负值。
+ * @since 2.2
+ * @version 1.0
+ */
+int32_t FreeSensorInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* SENSOR_IF_H */
+/** @} */
diff --git a/zh-cn/device_api/sensor/sensor_type.h b/zh-cn/device_api/sensor/sensor_type.h
new file mode 100644
index 0000000000000000000000000000000000000000..4cfeb65d445cd98373c77db9947de7367aff7e5c
--- /dev/null
+++ b/zh-cn/device_api/sensor/sensor_type.h
@@ -0,0 +1,285 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 传感器
+ * @{
+ *
+ * @brief 传感器设备驱动对传感器服务提供通用的接口能力。
+ *
+ * 模块提供传感器服务对传感器驱动访问统一接口，服务获取驱动对象或者代理后，
+ * 通过其提供的各类方法，以传感器id区分访问不同类型传感器设备，实现获取传感器设备信息、订阅/去订阅传感器数据、
+ * 使能/去使能传感器、设置传感器模式、设置传感器精度，量程等可选配置等。
+ *
+ * @version 1.0
+ */
+
+/**
+ * @file sensor_type.h
+ *
+ * @brief 定义传感器模块所使用的传感器类型，传感器信息，传感器数据结构等数据类型。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef SENSOR_TYPE_H
+#define SENSOR_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**< 传感器名称的最大长度 */
+#define SENSOR_NAME_MAX_LEN       32
+/**< 传感器版本的最大长度 */
+#define SENSOR_VERSION_MAX_LEN    16
+
+/**
+ * @brief  定义传感器模块返回值类型。
+ *
+ * @since 2.2
+ */
+enum SensorStatus {
+    /**< 传感器执行成功 */
+    SENSOR_SUCCESS           = 0,
+    /**< 传感器执行失败 */
+    SENSOR_FAILURE           = -1,
+    /**< 传感器不支持 */
+    SENSOR_NOT_SUPPORT       = -2,
+    /**< 传感器无效参数 */
+    SENSOR_INVALID_PARAM     = -3,
+    /**< 传感器无效服务 */
+    SENSOR_INVALID_SERVICE   = -4,
+    /**< 传感器空指针 */
+    SENSOR_NULL_PTR          = -5,
+};
+
+/**
+ * @brief 定义传感器类型标识。
+ *
+ * @since 2.2
+ */
+enum SensorTypeTag {
+    /**< 空传感器类型，用于测试 */
+    SENSOR_TYPE_NONE                = 0,
+    /**< 加速度传感器 */
+    SENSOR_TYPE_ACCELEROMETER       = 1,
+    /**< 陀螺仪传感器 */
+    SENSOR_TYPE_GYROSCOPE           = 2,
+    /**< 心率传感器 */
+    SENSOR_TYPE_PHOTOPLETHYSMOGRAPH = 3,
+    /**< 心电传感器 */
+    SENSOR_TYPE_ELECTROCARDIOGRAPH  = 4,
+    /**< 环境光传感器 */
+    SENSOR_TYPE_AMBIENT_LIGHT       = 5,
+    /**< 地磁传感器 */
+    SENSOR_TYPE_MAGNETIC_FIELD      = 6,
+    /**< 电容传感器 */
+    SENSOR_TYPE_CAPACITIVE          = 7,
+    /**< 气压计传感器 */
+    SENSOR_TYPE_BAROMETER           = 8,
+    /**< 温度传感器 */
+    SENSOR_TYPE_TEMPERATURE         = 9,
+    /**< 霍尔传感器 */
+    SENSOR_TYPE_HALL                = 10,
+    /**< 手势传感器 */
+    SENSOR_TYPE_GESTURE             = 11,
+    /**< 接近光传感器 */
+    SENSOR_TYPE_PROXIMITY           = 12,
+    /**< 湿度传感器 */
+    SENSOR_TYPE_HUMIDITY            = 13,
+    /**< 医疗传感器ID枚举值范围的开始 */
+    SENSOR_TYPE_MEDICAL_BEGIN       = 128,
+    /**< 医疗传感器ID枚举值范围的结束 */
+    SENSOR_TYPE_MEDICAL_END         = 160,
+    /**< 物理传感器最大类型 */
+    SENSOR_TYPE_PHYSICAL_MAX        = 255,
+    /**< 方向传感器 */
+    SENSOR_TYPE_ORIENTATION         = 256,
+    /**< 重力传感器 */
+    SENSOR_TYPE_GRAVITY             = 257,
+    /**< 线性加速度传感器 */
+    SENSOR_TYPE_LINEAR_ACCELERATION = 258,
+    /**< 旋转矢量传感器 */
+    SENSOR_TYPE_ROTATION_VECTOR     = 259,
+    /**< 环境温度传感器 */
+    SENSOR_TYPE_AMBIENT_TEMPERATURE = 260,
+    /**< 未校准磁场传感器 */
+    SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED = 261,
+    /**< 游戏旋转矢量传感器 */
+    SENSOR_TYPE_GAME_ROTATION_VECTOR        = 262,
+    /**< 未校准陀螺仪传感器 */
+    SENSOR_TYPE_GYROSCOPE_UNCALIBRATED      = 263,
+    /**< 大幅度动作传感器 */
+    SENSOR_TYPE_SIGNIFICANT_MOTION          = 264,
+    /**< 计步器检测传感器 */
+    SENSOR_TYPE_PEDOMETER_DETECTION         = 265,
+    /**< 计步器传感器 */
+    SENSOR_TYPE_PEDOMETER                   = 266,
+    /**< 地磁旋转矢量传感器 */
+    SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR = 277,
+    /**< 心率传感器 */
+    SENSOR_TYPE_HEART_RATE                  = 278,
+    /**< 设备方向传感器 */
+    SENSOR_TYPE_DEVICE_ORIENTATION          = 279,
+    /**< 佩戴检测传感器 */
+    SENSOR_TYPE_WEAR_DETECTION              = 280,
+    /**< 未校准加速度传感器 */
+    SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED  = 281,
+    /**< 传感器类型最大个数标r */
+    SENSOR_TYPE_MAX,
+};
+
+/**
+ * @brief 传感器的精度类型。
+ *
+ * @since 2.2
+ */
+enum SensorAccuracyType {
+    /**< 无精度类型  */
+    SENSOR_NO_ACCURACY     = 0,
+     /**< 低精度类型 */
+    SENSOR_LOW_ACCURACY    = 1,
+    /**< 中等精度类型 */
+    SENSOR_MEDIUM_ACCURACY = 2,
+    /**< 高精度类型 */
+    SENSOR_HIGH_ACCURACY   = 3,
+    /**< 最大精度类型 */
+    SENSOR_MAX_ACCURACY,
+};
+
+/**
+ * @brief 传感器的量程级别。
+ *
+ * @since 2.2
+ */
+enum SensorRangeType {
+    /**< 量程级别1 */
+    SENSOR_RANGE_LEVEL1 = 0,
+    /**< 量程级别2 */
+    SENSOR_RANGE_LEVEL2 = 1,
+    /**< 量程级别3 */
+    SENSOR_RANGE_LEVEL3 = 2,
+    /**< 量程最大级别 */
+    SENSOR_RANGE_LEVEL_MAX,
+};
+
+/**
+ * @brief 传感器的工作模式。
+ *
+ * @since 2.2
+ */
+enum SensorModeType {
+    /**< 传感器默认工作模式状态 */
+    SENSOR_MODE_DEFAULT   = 0,
+    /**< 传感器实时工作模式状态，一组数据上报一次 */
+    SENSOR_MODE_REALTIME  = 1,
+    /**< 传感器实时工作模式状态，状态变更上报一次 */
+    SENSOR_MODE_ON_CHANGE = 2,
+    /**< 传感器实时工作模式状态，只上报一次 */
+    SENSOR_MODE_ONE_SHOT  = 3,
+    /**< 传感器缓存工作模式状态，根据配置的缓存大小上报 */
+    SENSOR_MODE_FIFO_MODE = 4,
+    /**< 传感器最大类型标识 */
+    SENSOR_MODE_MAX,
+};
+
+/**
+ * @brief 枚举传感器的硬件服务组。
+ *
+ * @since 2.2
+ */
+enum SensorGroupType {
+    /** 传统传感器类型，传感器ID枚举值范围为128-160 */
+    TRADITIONAL_SENSOR_TYPE = 0,
+    /** 医疗传感器类型，传感器ID枚举值范围不在128-160之间 */
+    MEDICAL_SENSOR_TYPE = 1,
+    /** 最大传感器类型 */
+    SENSOR_GROUP_TYPE_MAX,
+};
+
+/**
+ * @brief 定义传感器基本信息。
+ *
+ * 一个传感器设备信息包括传感器名字、设备厂商、固件版本号、硬件版本号、传感器类型编号、传感器标识、最大量程、精度、功耗。
+ *
+ * @since 2.2
+ */
+struct SensorInformation {
+    /**< 传感器名称 */
+    char sensorName[SENSOR_NAME_MAX_LEN];
+    /**< 传感器设备厂商 */
+    char vendorName[SENSOR_NAME_MAX_LEN];
+    /**< 传感器固件版本号 */
+    char firmwareVersion[SENSOR_VERSION_MAX_LEN];
+    /**< 传感器硬件版本号 */
+    char hardwareVersion[SENSOR_VERSION_MAX_LEN];
+    /**< 传感器类型编号，唯一标识一个传感器设备类型，详见{@link SensorTypeTag} */
+    int32_t sensorTypeId;
+    /**< 传感器的标识号，有传感器驱动开发者定义 */
+    int32_t sensorId;
+    /**< 传感器的最大量程 */
+    float maxRange;
+    /**< 传感器的精度 */
+    float accuracy;
+    /**< 传感器的功耗 */
+    float power;
+};
+
+/**
+ * @brief 上报传感器数据结构。。
+ *
+ * 上报传感器设备数据事件信息包括传感器的标识号、传感器算法版本号、传感器数据生成时间、传感器量程精度可选配置、传感器工作模式、传感器数据地址、传感器数据长度。
+ *
+ * @since 2.2
+ */
+struct SensorEvents {
+    /**< 传感器的标识号 */
+    int32_t sensorId;
+    /**< 传感器算法版本号 */
+    int32_t version;
+    /**< 传感器数据生成时间 */
+    int64_t timestamp;
+    /**< 传感器量程精度可选配置 */
+    uint32_t option;
+    /**< 传感器工作模式 */
+    int32_t mode;
+    /**< 传感器数据地址 */
+    uint8_t *data;
+    /**< 传感器数据长度 */
+    uint32_t dataLen;
+};
+
+/**
+ * @brief 传感器上报数据回调函数的定义，传感器服务用户在订阅传感器时，
+ * 需要注册上报数据回调函数，传感器使能后，传感器服务用户可以接受到传感器数据，{@link SensorInterface}。
+ *
+ * @since 2.2
+ */
+typedef int32_t (*RecordDataCallback)(const struct SensorEvents*);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* SENSOR_TYPE_H */
+/** @} */
\ No newline at end of file
diff --git a/zh-cn/device_api/vibrator/vibrator_if.h b/zh-cn/device_api/vibrator/vibrator_if.h
new file mode 100644
index 0000000000000000000000000000000000000000..27d13bd147285429cdc5bcb0e99675feba7ed20a
--- /dev/null
+++ b/zh-cn/device_api/vibrator/vibrator_if.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 马达
+ * @{
+ *
+ * @brief 马达驱动对马达服务提供通用的接口能力。
+ *
+ * 服务获取驱动对象或者代理后，马达服务启动或停止振动。
+ * 通过驱动程序对象或代理提供使用功能。
+ *
+ * @since 2.2
+ */
+
+/**
+ * @file vibrator_if.h
+ *
+ * @brief 定义马达数据结构，包括马达模式和效果振动。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef VIBRATOR_IF_H
+#define VIBRATOR_IF_H
+
+#include <stdint.h>
+#include "vibrator_type.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+struct VibratorInterface {
+    /**
+     * @brief 控制马达以执行给定持续时间的一次性振动。
+     *
+     * 单次振动与周期振动相互排斥。在执行一次性振动之前，需退出周期性振动。
+     *
+     * @param duration 指示一次性振动的持续时间，以毫秒为单位。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*StartOnce)(uint32_t duration);
+
+    /**
+     * @brief 控制马达以预置效果执行周期性振动。
+     *
+     * 单次振动与周期振动相互排斥。在执行一次性振动之前，需退出周期性振动。
+     *
+     * @param effectType 指向指示预置效果类型的指针。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Start)(const char *effectType);
+
+    /**
+     * @brief 停止马达振动。
+     *
+     * 马达启动前，必须在任何模式下停止振动。此功能可在振动过程之后。
+     *
+     * @param mode 指示振动模式，可以是一次性或周期性的。详见{@link VibratorMode}。
+     *
+     * @return 如果操作成功，则返回0。
+     * @return 如果操作失败，则返回负值。
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    int32_t (*Stop)(enum VibratorMode mode);
+};
+
+/**
+ * @brief 创建一个VibratorInterface实例。
+ *
+ * 获的马达接口实例可用于控制马达按照配置进行振动。
+ *
+ * @return 如果操作成功，则返回0。
+ * @return 如果操作失败，则返回负值。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+const struct VibratorInterface *NewVibratorInterfaceInstance(void);
+
+/**
+ * @brief 释放VibratorInterface实例以及释放相关资源。
+ *
+ * @return 如果操作成功，则返回0。
+ * @return 如果操作失败，则返回负值。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+int32_t FreeVibratorInterfaceInstance(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* VIBRATOR_IF_H */
+/** @} */
diff --git a/zh-cn/device_api/vibrator/vibrator_type.h b/zh-cn/device_api/vibrator/vibrator_type.h
new file mode 100644
index 0000000000000000000000000000000000000000..e6fd7269bca8e6fea66de42f6c30a2742e55ca8c
--- /dev/null
+++ b/zh-cn/device_api/vibrator/vibrator_type.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup 马达
+ * @{
+ *
+ * @brief 马达驱动对马达服务提供通用的接口能力。
+ *
+ * 服务获取驱动对象或者代理后，马达服务启动或停止振动。
+ * 通过驱动程序对象或代理提供使用功能。
+ *
+ * @version 1.0
+ */
+
+/**
+ * @file vibrator_type.h
+ *
+ * @brief 定义马达数据结构，包括马达模式和效果振动。
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+#ifndef VIBRATOR_TYPE_H
+#define VIBRATOR_TYPE_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+/**
+ * @brief 枚举马达振动模式。
+ *
+ * @since 2.2
+ */
+enum VibratorMode {
+    /** 表示给定持续时间内的一次性振动。 */
+    VIBRATOR_MODE_ONCE   = 0,
+    /** 表示具有预置效果的周期性振动 */
+    VIBRATOR_MODE_PRESET = 1,
+    /** 表示效果模式无效。 */
+    VIBRATOR_MODE_BUTT
+};
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */
+
+#endif /* VIBRATOR_TYPE_H */
+/** @} */
diff --git a/zh-cn/native_sdk/media/image/image_pixel_map_napi.h b/zh-cn/native_sdk/media/image/image_pixel_map_napi.h
new file mode 100644
index 0000000000000000000000000000000000000000..3f6c47afe6008f66532e6314c3d7441466c97ae3
--- /dev/null
+++ b/zh-cn/native_sdk/media/image/image_pixel_map_napi.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2022 Huawei Device Co., Ltd.
+ * 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.
+ */
+
+/**
+ * @addtogroup image
+ * @{
+ *
+ * @brief 提供获取pixelmap的数据和信息的接口方法。
+ *
+ * @Syscap SystemCapability.Multimedia.Image
+ * @since 8
+ * @version 1.0
+ */
+
+/**
+ * @file image_pixel_map_napi.h
+ *
+ * @brief 声明可以锁定并访问pixelmap数据的方法，声明解锁的方法.
+ *
+ * @since 8
+ * @version 1.0
+ */
+
+#ifndef IMAGE_PIXEL_MAP_NAPI_H
+#define IMAGE_PIXEL_MAP_NAPI_H
+#include <stdint.h>
+#include "napi/native_api.h"
+#include "napi/native_node_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief 函数方法返回值的错误码的枚举.
+ *
+ * @since 8
+ * @version 1.0
+ */
+enum {
+    /** 成功的结果 */
+    OHOS_IMAGE_RESULT_SUCCESS = 0,
+    /** 无效值 */
+    OHOS_IMAGE_RESULT_BAD_PARAMETER = -1,
+};
+
+/**
+ * @brief pixel 格式的枚举.
+ *
+ * @since 8
+ * @version 1.0
+ */
+enum {
+    /**
+     * 未知的格式
+     */
+    OHOS_PIXEL_MAP_FORMAT_NONE = 0,
+    /**
+     * 32-bit RGBA. 由 R, G, B组成，包括 A 都需要占用 8 bits。存储顺序是从高位到地位.
+     */
+    OHOS_PIXEL_MAP_FORMAT_RGBA_8888 = 3,
+    /**
+     * 16-bit RGB. 仅由 R, G, B 组成.
+     * 存储顺序是从高位到地位: 红色占用5 bits,绿色占用6 bits,蓝色占用5 bits.
+     */
+    OHOS_PIXEL_MAP_FORMAT_RGB_565 = 2,
+};
+
+/**
+ * @brief 用于定义 pixel map 的相关信息.
+ *
+ * @since 8
+ * @version 1.0
+ */
+struct OhosPixelMapInfo {
+    /** 图片的宽, 用pixels表示. */
+    uint32_t width;
+    /** 图片的高, 用pixels表示. */
+    uint32_t height;
+    /** 每行的bytes数 */
+    uint32_t rowSize;
+    /** Pixel 的格式 */
+    int32_t pixelFormat;
+};
+
+/**
+ * @brief 获取 <b>PixelMap</b> 的信息，并记录信息到{@link OhosPixelMapInfo}结构中.
+ *
+ * @param env napi的环境指针.
+ * @param value 应用层的 <b>PixelMap</b> 对象.
+ * @param info 用于保存信息的指针对象. 更多细节, 参看 {@link OhosPixelMapInfo}.
+ * @return 如果获取并保存信息成功，则返回<b>0</b>; 如果操作失败，则返回错误码.
+ * @see OhosPixelMapInfo
+ * @since 8
+ * @version 1.0
+ */
+int32_t OH_GetImageInfo(napi_env env, napi_value value, OhosPixelMapInfo *info);
+
+/**
+ * @brief 获取<b>PixelMap</b>对象数据的内存地址，并锁定该内存.
+ *
+ * 函数执行成功后，<b>*addrPtr</b>就是获取的待访问的内存地址. 访问操作完成后,必须要使用{@link OH_UnAccessPixels}来释放锁, 否则的话资源无法被释放.
+ * 待解锁后，内存地址就不可以再被访问和操作.
+ *
+ * @param env napi的环境指针.
+ * @param value 应用层的 <b>PixelMap</b> 对象.
+ * @param addrPtr 用于指向的内存地址的双指针对象.
+ * @see UnAccessPixels
+ * @return 操作成功则返回 {@link OHOS_IMAGE_RESULT_SUCCESS}; 如果操作失败，则返回错误码.
+ * @since 8
+ * @version 1.0
+ */
+int32_t OH_AccessPixels(napi_env env, napi_value value, void** addrPtr);
+
+/**
+ * @brief 释放<b>PixelMap</b>对象数据的内存锁, 用于匹配方法{@link OH_AccessPixels}.
+ *
+ * @param env napi的环境指针.
+ * @param value 应用层的 <b>PixelMap</b> 对象.
+ * @return 操作成功则返回 {@link OHOS_IMAGE_RESULT_SUCCESS}; 如果操作失败，则返回错误码.
+ * @see AccessPixels
+ * @since 8
+ * @version 1.0
+ */
+int32_t OH_UnAccessPixels(napi_env env, napi_value value);
+
+#ifdef __cplusplus
+};
+#endif
+
+/** @} */
+#endif // IMAGE_PIXEL_MAP_NAPI_H
+