1# Pan-Sensor<a name="EN-US_TOPIC_0000001078062432"></a> 2 3## Introduction<a name="section11660541593"></a> 4 5The pan-sensor service subsystem provides a lightweight sensor service framework, through which you can perform the following operations: 6 7- Query the sensor list. 8- Enable or disable a sensor. 9- Subscribe to or unsubscribe from sensor data. 10- Set the data reporting mode of a sensor. 11 12The following figure shows the architecture of the pan-sensor service framework. 13 14**Figure1** Pan-sensor service architecture 15 16 17 18## Directory Structure<a name="section161941989596"></a> 19 20``` 21/base/sensors 22├── sensor_lite # Sensor directory 23│ ├── frameworks # Framework code 24│ ├── interfaces # Native APIs 25│ └── services # Code of services 26└── miscdevice_lite # Misc device directory 27``` 28 29## Usage<a name="section1312121216216"></a> 30 31The following modules work cooperatively to implement pan-sensor capabilities: Sensor API, Sensor Framework, and Sensor Service. 32 33- Sensor API: provides APIs for performing basic operations on sensors, including querying the sensor list, enabling or disabling sensors, and subscribing to or unsubscribing from sensor data. 34- Sensor Framework: manages sensor data subscription, creates and destroys data channels, subscribes to or unsubscribes from sensor data, and implements communication with the Sensor Service module. 35- Sensor Service: interacts with the HDF module to receive, parse, and distribute data, manages sensor services and sensor data reporting, and controls sensor permissions. 36 37## Repositories Involved<a name="section1371113476307"></a> 38 39**Pan-sensor subsystem** 40 41[sensors_sensor_lite](https://gitee.com/openharmony/sensors_sensor_lite/blob/master/README.md) 42 43[sensors_miscdevice_lite](https://gitee.com/openharmony/sensors_miscdevice_lite/blob/master/README.md) 44 45
