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The components are used to assist business development, control hardware capabilities, and enhance development convenience.
| Component | Name | Description |
|---|---|---|
| dxAlsaplay | Audio Component | Used to control the device speaker to play audio |
| dxBase64 | Base64 Component | Used for Base64 encoding and decoding |
| dxCameraCalibration | Camera Calibration Component | Used to correct the focus of dual cameras |
| dxCapturer | Image Capturing Component | Used to control the camera for image capturing, suitable for QR code scanning scenarios. This component cannot be used alone and needs to be used with dxDecoder |
| dxCode | QR Code Recognition Component | Integrates dxCapturer and dxDecoder components for QR code recognition |
| dxCommon | Common Component | Integrates common and frequently used functions, such as obtaining hardware resource information, controlling hardware, encoding and decoding functions |
| dxConfig | Configuration Component | Used to manage configuration items |
| dxDecoder | Image Decoding Component | Used to decode images into text, suitable for QR code scanning scenarios. This component cannot be used alone and needs to be used with dxCapturer |
| dxEventCenter | Event Bus Component | Manages message publishing and subscription |
| dxFace | Face Recognition Component | Used for face recognition |
| dxGpio | GPIO Component | External circuit control component, used to manage external circuits (relay, lights, switches, etc.) |
| dxGpioKey | Keyboard Input Component | Senses GPIO external circuit input, used to listen to external circuit input actions (switches, keyboard keys, etc.) |
| dxHttp | HTTP Component | HTTP Client network protocol component |
| dxLogger | Logging Component | Unified log management |
| dxMap | Global Cache Component | Can be used for data synchronization in multi-threaded scenarios. It can also be used for caching data in a single thread |
| dxMqtt | MQTT Component | MQTT network protocol component |
| dxNet | Network Component | Manages device network status and parameters |
| dxNfc | Card Reader Component | Near Field Communication component, typically used to manage smart IC cards, chip cards, etc., both contactless and contact-based |
| dxNtp | Time Synchronization Component | Network time synchronization component, can specify frequency to obtain network time synchronization |
| dxOta | OTA Upgrade Component | OTA upgrade component |
| dxPwm | PWM Component | Pulse Width Modulation component, used to manage buzzers, fill lights, etc. |
| dxQueue | Queue Component | Thread notification component, can be used for multi-thread action notification in business scenarios |
| dxSqlite | Database Component | Used to manage CRUD operations for structured data |
| dxStd | System Functions Component | Includes functions for file reading and writing, system control, etc. |
| dxTcp | TCP Component | TCP Client network protocol component |
| dxTcpServer | TCP Server Component | TCP Server network protocol component |
| dxTouchKey | Button Listener Component | Used to listen to keyboard input |
| dxUart | Serial Port Component | Wired near field communication management component, covers reading and writing control of protocols such as TTL, RS232, RS485, Wiegand, USB, etc. |
| dxUi | UI Component | Used to draw screen UI |
| dxWatchdog | Watchdog Component | Timing abnormal reset component. In short, it will restart and reset the application within a specified time when the program encounters unknown issues (not business logic related issues) to ensure device availability |
| dxWebServer | Web Server Component | Web Server component |