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X5 Chip User Manual

• 1. Preface
  • 1.1. Overview
  • 1.2. General Description of the Delivery Package
    • 1.2.1. How to Access the Delivery Package
  • 1.3. Chip Specifications
    • 1.3.1. Chip Functional Block Diagram
    • 1.3.2. System Software Architecture
    • 1.3.3. Key Features
  • 1.4. Document Usage Guide
    • 1.4.1. Chapter Introduction
    • 1.4.2. Reading Recommendations
• 2. Quick Start
  • 2.1. X5 EVB 1_B Development Board User Guide
    • 2.1.1. Functional Overview
      • 2.1.1.1. Specifications
      • 2.1.1.2. X5 EVB Accessories Description
    • 2.1.2. Function Module Layout
      • 2.1.2.1. Dimension Diagram
    • 2.1.3. Interface Usage Instructions
      • 2.1.3.1. Starting the Development Board
      • 2.1.3.2. DIP Switch
      • 2.1.3.3. Debug Serial Port
      • 2.1.3.4. Ethernet
      • 2.1.3.5. USB 3.0 Interface
      • 2.1.3.6. USB 2.0 Interface
      • 2.1.3.7. Camera (MIPI CSI) Interface
      • 2.1.3.8. HDMI Interface
      • 2.1.3.9. LCD (MIPI DSI) and TP Interface
      • 2.1.3.10. Independent I2C Interface
      • 2.1.3.11. Wi-Fi / Bluetooth
      • 2.1.3.12. TF Card
      • 2.1.3.13. 40-Pin Interface
        • Connection Example:
      • 2.1.3.14. RTC Interface
      • 2.1.3.15. ADC Interface
      • 2.1.3.16. Other Interfaces
  • 2.2. X5 EVB V2P0 Development Board User Guide
    • 2.2.1. Functional Overview
      • 2.2.1.1. Specifications
      • 2.2.1.2. X5 EVB Accessories Description
    • 2.2.2. Functional Module Layout
      • 2.2.2.1. Dimension Diagram
    • 2.2.3. Interface Usage Instructions
      • 2.2.3.1. Powering On the Development Board
      • 2.2.3.2. DIP Switch
      • 2.2.3.3. Debug Serial Port
      • 2.2.3.4. Ethernet
      • 2.2.3.5. USB 3.0 Interface
      • 2.2.3.6. USB 2.0 Interface
      • 2.2.3.7. Camera (MIPI CSI) Interface
      • 2.2.3.8. HDMI Interface
      • 2.2.3.9. LCD (MIPI DSI) and TP Interface
      • 2.2.3.10. Independent I2C Interface
      • 2.2.3.11. Wi-Fi Antenna
      • 2.2.3.12. Wi-Fi / Bluetooth
      • 2.2.3.13. TF Card
      • 2.2.3.14. 40-Pin Interface
        • Connection Example:
      • 2.2.3.15. RTC
      • 2.2.3.16. ADC Interface
      • 2.2.3.17. Other Interfaces
      • 2.2.3.18. Notes
        • The difference between Secure and Non-secure
        • Identifying Hardware Version via Chip Silk Screen
  • 2.3. X5 MD Development Board User Guide
    • 2.3.1. Functional Overview
      • 2.3.1.1. Product Introduction
      • 2.3.1.2. Specifications
      • 2.3.1.3. X5 MD Accessory Description
    • 2.3.2. IO Carrier Board Functional Module Layout
      • 2.3.2.1. Dimension Diagram
    • 2.3.3. Interface Usage Instructions
      • 2.3.3.1. Powering On the Development Board
      • 2.3.3.2. Booting from eMMC
      • 2.3.3.3. Debug Serial Port
      • 2.3.3.4. Ethernet
      • 2.3.3.5. USB 3.0 Interface
      • 2.3.3.6. USB 2.0 Interface
      • 2.3.3.7. IO Voltage Level Selection
      • 2.3.3.8. Camera (MIPI CSI) Interface
      • 2.3.3.9. HDMI Interface
      • 2.3.3.10. LCD (MIPI DSI) and TP Interface
      • 2.3.3.11. Wi-Fi antenna
      • 2.3.3.12. Wi-Fi / Bluetooth
      • 2.3.3.13. TF Card
      • 2.3.3.14. CANFD Interface
      • 2.3.3.15. 40PIN Interface
        • Connection Example:
      • 2.3.3.16. RTC
      • 2.3.3.17. Other Interfaces
  • 2.4. Connect the Development Board
    • 2.4.1. Connecting via Serial Port
      • 2.4.1.1. Hardware Connection
      • 2.4.1.2. Using Serial Port on Windows
        • Install Driver
        • Connecting and Usage
      • 2.4.1.3. Using Serial Port on Ubuntu
        • Using minicom
    • 2.4.2. Connecting via Network Interface
      • 2.4.2.1. Windows Network Configuration
      • 2.4.2.2. Ubuntu Network Configuration
      • 2.4.2.3. Terminal Software Configuration
    • 2.4.3. Connecting via USB Port
      • 2.4.3.1. Installing Software on Windows
        • Installing USB Drivers
        • Installing USB Tools
      • 2.4.3.2. Installing Software on Ubuntu
        • Installing USB Drivers
        • Installing USB Tools
      • 2.4.3.3. Using adb
        • Common Commands
      • 2.4.3.4. Using fastboot
      • 2.4.3.5. Using dfu
      • 2.4.3.6. Virtual Network Interface Introduction
      • 2.4.3.7. Virtual Network Interface (RNDIS)
      • 2.4.3.8. Virtual Network Interface (CDC-ECM)
      • 2.4.3.9. Additional Features
  • 2.5. System Image Flashing
    • 2.5.1. Overview
    • 2.5.2. Firmware Flashing Protocol Overview
    • 2.5.3. Graphical Tool Flashing Introduction
      • 2.5.3.1. Flashing Tool Interface Overview
        • Flashing Interface
        • Settings Interface
        • Driver Interface
      • 2.5.3.2. Flashing Methods Overview
      • 2.5.3.3. Flashing Tool Installation and Startup Guide
        • Installing and Launching XBurn on Windows
        • Installing and Launching XBurn on Ubuntu
        • Installing and Launching XBurn on macOS
        • Common Startup Issues
      • 2.5.3.4. Flashing Method Selection Guide
        • Selecting Download Mode When Image is Empty or Corrupted
        • Selecting Download Mode When Image is Normal
      • 2.5.3.5. USB Connection Upgrade Procedure
      • 2.5.3.6. Serial+USB connection mode upgrade process description
      • 2.5.3.7. Serial+Ethernet Connection Upgrade Procedure
      • 2.5.3.8. Serial Connection Upgrade Procedure
      • 2.5.3.9. Advanced Configuration
        • Auto-reboot after flashing
        • Full eMMC Erase
        • Enable Partition Backup/Restore Function
        • Burn Specified Partition Image
    • 2.5.4. Command-line Tool Introduction (Factory Version)
      • 2.5.4.1. Overview
      • 2.5.4.2. Command-line Environment Configuration
      • 2.5.4.3. Command-line Usage
        • Status Query and Basic Configuration
        • Core Flashing Configuration
        • Partition Operations and Security Control
        • Network Configuration
        • Interface Configuration
        • Usage Examples
    • 2.5.5. Manual Flashing Tool Introduction
      • 2.5.5.1. Flashing Images Using Fastboot Commands
      • 2.5.5.2. Flashing Images Using dfu Commands
        • dfu Command Flashing on Windows
        • dfu Command Flashing on Ubuntu
      • 2.5.5.3. Manually Flashing Images via Serial Port
    • 2.5.6. FAQ: Common Error Reference Table
      • 2.5.6.1. Environment Preparation Issues
        • Issue: Detect burn state error
        • Issue: Serial port not connected
        • Issue: Image path abnormal or image does not exist
        • Issue: Cannot find dfu device
      • 2.5.6.2. Firmware Type Errors
        • Issue: Flashing Non-Secure firmware on a Secure chip
        • Issue: Flashing Secure firmware on a Non-Secure chip
      • 2.5.6.3. Flashing Process Issues
        • Issue: Xmodem error “send error: expected ACK; got b’C’ for block 1”
        • Issue: Cannot find fastboot device
        • Issue: Fastboot error “Too many links”
• 3. Guidelines for using samples
  • 3.1. Example Code Introduction
    • 3.1.1. Example Source Code Directory Structure
    • 3.1.2. Example Usage Guide
    • 3.1.3. Example Development Guide
      • 3.1.3.1. Compilation Methods
    • 3.1.4. Common Issues
      • 3.1.4.1. Insufficient Space in /app Directory Causes Example Execution Failure
      • 3.1.4.2. Kernel Logs Flooding the Console in Serial Terminal
  • 3.2. sample_vin Instructions
    • 3.2.1. get_vin_data
      • 3.2.1.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.2.1.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.2.1.3. Run
        • How to Run the Program
        • Program Option Descriptions
        • Execution Results
        • Execution Result Explanation
      • 3.2.1.4. Common Issues
        • 1. “No Camera Sensor found” displayed
    • 3.2.2. time_synchronization
      • 3.2.2.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.2.2.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.2.2.3. Run
        • How to Run the Program
        • Program Option Description
        • Execution Results
      • 3.2.2.4. Common Issues
        • 1. trig_tv is zero
  • 3.3. sample_isp User Guide
    • 3.3.1. get_isp_data
      • 3.3.1.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • Tool Location and Directory Structure
        • API Flow Description
      • 3.3.1.2. Compilation and Deployment
        • Compilation
        • Hardware Environment Setup
        • Program Deployment
      • 3.3.1.3. Execution
        • Program Execution Method
        • Program Parameter Options Description
        • get_isp_data Configuration File Description
        • Execution Results
      • 3.3.1.4. Common Issues
    • 3.3.2. multi_isp_vflow
      • 3.3.2.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • Tool Location and Directory Structure
        • API Flow Description
      • 3.3.2.2. Compilation and Deployment
        • Compilation
        • Hardware Environment Setup
        • Program Deployment
      • 3.3.2.3. Execution
        • Program Execution Method
        • Program Parameter Options
        • Configuration File Description
        • Execution Results
      • 3.3.2.4. Common Issues
    • 3.3.3. isp_feedback
      • 3.3.3.1. Function Overview
        • Software Architecture Description
        • Main API Descriptions
        • Code Location and Directory Structure
        • Tool Location and Directory Structure
        • API Workflow Description
      • 3.3.3.2. Compilation and Deployment
        • Compilation
        • Hardware Environment Setup
        • Program Deployment
      • 3.3.3.3. Execution
        • Execution Method
        • Program Options Description
        • Configuration File Description
        • Execution Results
      • 3.3.3.4. Common Issues
    • 3.3.4. get_isp_rgb_ir
      • 3.3.4.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • Tool Location and Directory Structure
        • API Workflow Description
      • 3.3.4.2. Compilation and Deployment
        • Compilation
        • Hardware Environment Setup
        • Program Deployment
      • 3.3.4.3. Execution
        • Execution Method
        • Program Options Description
        • Configuration File Description
        • Execution Results
        • Common Issues
  • 3.4. sample_vse User Guide
    • 3.4.1. Function Overview
      • 3.4.1.1. Software Architecture Description
      • 3.4.1.2. Data Flow Description
      • 3.4.1.3. Code Location and Directory Structure
      • 3.4.1.4. API Flow Description
    • 3.4.2. Build and Deployment
      • 3.4.2.1. Build
      • 3.4.2.2. Program Deployment
    • 3.4.3. Execution
      • 3.4.3.1. Execution Method
      • 3.4.3.2. Program Parameter Options
      • 3.4.3.3. Execution Results
        • Example 1
        • Example 2
        • Example 3
    • 3.4.4. Notes
  • 3.5. sample_osd User Guide
    • 3.5.1. Function Overview
      • 3.5.1.1. Software Architecture Description
      • 3.5.1.2. Code Location and Directory Structure
      • 3.5.1.3. API Flow Description
    • 3.5.2. Compilation and Deployment
      • 3.5.2.1. Compilation
      • 3.5.2.2. Program Deployment
    • 3.5.3. Execution
      • 3.5.3.1. Execution Method
      • 3.5.3.2. Program Parameter Options
      • 3.5.3.3. Execution Results
    • 3.5.4. Execution Result Description
      • 3.5.4.1. Fill-Color Function
      • 3.5.4.2. Text Rendering
      • 3.5.4.3. Line Drawing
      • 3.5.4.4. Mosaic Effect
  • 3.6. sample_gdc Usage Instructions
    • 3.6.1. 1-custom_config
      • 3.6.1.1. Overview
      • 3.6.1.2. Code Location and Directory Structure
      • 3.6.1.3. Development and Usage Procedure
    • 3.6.2. 2-generate_bin
      • 3.6.2.1. Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.6.2.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.6.2.3. Run
        • How to Run
        • Program Option Descriptions
        • Execution Results
    • 3.6.3. 3-gdc_static_valid
      • 3.6.3.1. Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.6.3.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.6.3.3. Run
        • How to Run
        • Program Option Descriptions
        • Execution Results
    • 3.6.4. 4-gdc_stress_test
      • 3.6.4.1. Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.6.4.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.6.4.3. Run
        • How to Run
        • Program Option Descriptions
        • Execution Results
    • 3.6.5. 5-gdc_equisolid
      • 3.6.5.1. Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.6.5.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.6.5.3. Running
        • How to Run the Program
        • Program Option Description
        • Running Results
    • 3.6.6. 6-gdc_transformation
      • 3.6.6.1. Function Overview
        • Software Architecture Description:
        • Code Location and Directory Structure
        • API Flow Description
      • 3.6.6.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.6.6.3. Running
        • How to Run the Program
        • Program Option Description
        • Running Results
        • Running Results Description
  • 3.7. sample_codec User Guide
    • 3.7.1. Function Overview
      • 3.7.1.1. Software Architecture
      • 3.7.1.2. Data Flow Description
        • Encoding Data Flow
        • Decoding Data Flow
      • 3.7.1.3. Code Location and Directory Structure
      • 3.7.1.4. API Workflow Description
        • Encoding Workflow
        • Decoding Workflow
    • 3.7.2. Build and Deployment
      • 3.7.2.1. Build
      • 3.7.2.2. Program Deployment
    • 3.7.3. Running
      • 3.7.3.1. How to Run the Program
      • 3.7.3.2. Program Parameter Options
        • Usage Examples
      • 3.7.3.3. Configuration File Description
        • Encoding Configuration
        • Decoding Configuration
      • 3.7.3.4. Running Output
  • 3.8. sample_vot Usage Instructions
    • 3.8.1. sample_vot
      • 3.8.1.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.8.1.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.8.1.3. Execution
        • Execution Method
        • Program Parameter Options
        • Execution Results
    • 3.8.2. sample_rotation_square
      • 3.8.2.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.8.2.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.8.2.3. Execution
        • Execution Method
        • Program Parameter Options
        • Execution Results
    • 3.8.3. sample_blend
      • 3.8.3.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.8.3.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.8.3.3. Execution
        • Execution Method
        • Program Parameter Options
        • Execution Results
      • 3.8.3.4. Common Issues
    • 3.8.4. sample_vot_drm_hotplug
      • 3.8.4.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.8.4.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.8.4.3. Execution
        • Execution Method
        • Program Parameter Options
        • Execution Results
  • 3.9. sample_gpu_3d Instructions
    • 3.9.1. OpenGL ES
      • 3.9.1.1. sample_bezier
        • Function Overview
        • Compilation and Deployment
        • Running
    • 3.9.2. OpenCL
      • 3.9.2.1. sample_matrix_multiply
        • Function Overview
        • Compilation and Deployment
        • Running
  • 3.10. sample_gpu_2d Instructions
    • 3.10.1. sample_rotation
      • 3.10.1.1. Function Overview
        • Software Architecture
        • Code Location and Directory Structure
        • API Workflow Explanation
      • 3.10.1.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.1.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution Results
    • 3.10.2. sample_rectangle_fill
      • 3.10.2.1. Function Overview
        • Software Architecture
        • Code Location and Directory Structure
        • API Workflow Explanation
      • 3.10.2.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.2.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution Results
    • 3.10.3. sample_alphablend
      • 3.10.3.1. Function Overview
        • Software Architecture
        • Code Location and Directory Structure
        • API Workflow Explanation
      • 3.10.3.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.3.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution Results
        • src_over Mode
        • src_in Mode
        • dst_over Mode
        • dst_in Mode
        • subtract Mode
        • additive Mode
    • 3.10.4. sample_format_convert
      • 3.10.4.1. Function Overview
        • Software Architecture
        • Code Location and Directory Structure
        • API Workflow Explanation
      • 3.10.4.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.4.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution ResultsExecute command:
    • 3.10.5. sample_copy
      • 3.10.5.1. Function Overview
        • Software Architecture Diagram
        • Code Location and Directory Structure
        • API Workflow Description
      • 3.10.5.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.5.3. Running
        • How to Run the Program
        • Program Parameter Options
        • Running Effect
    • 3.10.6. sample_crop
      • 3.10.6.1. Function Overview
        • Software Architecture Diagram
        • Code Location and Directory Structure
        • API Workflow Description
      • 3.10.6.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.6.3. Running
        • How to Run the Program
        • Program Parameter Options
        • Running Effect
    • 3.10.7. sample_multi_source_alphablend
      • 3.10.7.1. Function Overview
        • Software Architecture Diagram
        • Code Location and Directory Structure
        • API Workflow Description
      • 3.10.7.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.7.3. Running
        • How to Run the Program
        • Program Parameter Options
        • Running Effect
    • 3.10.8. sample_resize
      • 3.10.8.1. Function Overview
        • Software architecture description
        • Code location and directory structure
        • API process description
      • 3.10.8.2. Compile and deploy
        • Compile
        • Program deployment
      • 3.10.8.3. Run
        • How to run the program
        • Program parameter option description
        • Running effect
    • 3.10.9. sample_stitch
      • 3.10.9.1. Function Overview
        • Software Architecture Diagram
        • Code Location and Directory Structure
        • API Workflow Description
      • 3.10.9.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.9.3. Run
        • Program Execution Method
        • Program Parameter Options Description
        • Execution Results
    • 3.10.10. sample_create_n2d_buffer
      • 3.10.10.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.10.10.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.10.10.3. Run
        • Program Execution Method
        • Program Parameter Options Description
        • Execution Results
  • 3.11. sample_dsp User Guide
    • 3.11.1. Function Overview
      • 3.11.1.1. Software Architecture Description
      • 3.11.1.2. Code Location and Directory Structure
      • 3.11.1.3. Tool Location and Directory Structure
      • 3.11.1.4. Background Knowledge
      • 3.11.1.5. API Process Description
    • 3.11.2. Compilation and Deployment
      • 3.11.2.1. Compilation
      • 3.11.2.2. Tool Deployment and Configuration
    • 3.11.3. Execution
      • 3.11.3.1. Program Execution Method
      • 3.11.3.2. Program Parameter Options Description
      • 3.11.3.3. Configuration File Description
      • 3.11.3.4. Execution Results
    • 3.11.4. Common Issues
  • 3.12. sample_audio User Guide
    • 3.12.1. Function Overview
      • 3.12.1.1. Software Architecture Description
      • 3.12.1.2. Code Location and Directory Structure
      • 3.12.1.3. Tool Location and Directory Structure
      • 3.12.1.4. Background Knowledge
      • 3.12.1.5. API Process Description
    • 3.12.2. Compilation and Deployment
      • 3.12.2.1. Compilation
      • 3.12.2.2. Hardware Environment Setup
      • 3.12.2.3. Program Deployment
    • 3.12.3. sample_alsa Running
      • 3.12.3.1. How to Run the Program
      • 3.12.3.2. Program Parameter Options
      • 3.12.3.3. Running Output Examples
    • 3.12.4. sample_hat_loopback
      • 3.12.4.1. Function Overview
      • 3.12.4.2. Software Architecture Description
      • 3.12.4.3. API Process Description
      • 3.12.4.4. How to Run the Program
      • 3.12.4.5. Running Output Examples
    • 3.12.5. Common Issues
  • 3.13. sample_imu Usage Guide
    • 3.13.1. Overview
      • 3.13.1.1. Function Introduction
      • 3.13.1.2. Architecture Description of sample_imu
    • 3.13.2. sample_imu_iio
      • 3.13.2.1. Functional Overview
      • 3.13.2.2. Software Architecture Description
      • 3.13.2.3. Data Flow Description
      • 3.13.2.4. Code Location and Directory Structure
      • 3.13.2.5. Background Knowledge
      • 3.13.2.6. API Process Description
      • 3.13.2.7. Compilation and Deployment
        • Compilation
        • Hardware Environment Setup
        • Program Deployment
      • 3.13.2.8. Running
        • Program Usage Method
        • Program Parameter Options Description
        • Running Effect
      • 3.13.2.9. Common Issues
    • 3.13.3. sample_imu_input
      • 3.13.3.1. Functional Overview
      • 3.13.3.2. Software Architecture Description
      • 3.13.3.3. Data Flow Description
      • 3.13.3.4. Code Location and Directory Structure
      • 3.13.3.5. API Process Description
      • 3.13.3.6. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.13.3.7. Running
        • Program Usage Method
        • Program Parameter Options Description
        • Running Effect
      • 3.13.3.8. Common Issues
  • 3.14. sample_hbmem Usage Instructions
    • 3.14.1. Function Overview
      • 3.14.1.1. Software Architecture Description
      • 3.14.1.2. Background Knowledge
      • 3.14.1.3. API Flow Description
    • 3.14.2. Compilation and Deployment
      • 3.14.2.1. Source Code Structure
      • 3.14.2.2. Compilation Instructions
      • 3.14.2.3. Compilation Environment
    • 3.14.3. Running
      • 3.14.3.1. Command Explanation
      • 3.14.3.2. Test Result Description
      • 3.14.3.3. Running Results Display
  • 3.15. sample_pipeline Usage Instructions
    • 3.15.1. Overview
      • 3.15.1.1. Function Introduction
      • 3.15.1.2. Architecture Description of sample_pipeline
    • 3.15.2. single_pipe_vin_isp_vse
      • 3.15.2.1. Functional Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.2.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.15.2.3. Running
        • Running Method
        • Program Parameter Options
        • Running Results
    • 3.15.3. single_pipe_vin_isp_vse_vpu
      • 3.15.3.1. Functional Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.3.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.15.3.3. Running
        • Running Method
        • Program Parameter Options
        • Running Results
    • 3.15.4. single_pipe_vin_isp_gdc
      • 3.15.4.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.4.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.4.3. Run
        • How to Run the Program
        • Program Option Descriptions
        • Runtime Behavior
    • 3.15.5. single_pipe_vin_isp_vse_gdc
      • 3.15.5.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.5.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.5.3. Run
        • How to Run the Program
        • Program Parameter Options
        • Running Results
    • 3.15.6. multi_pipe_vin_isp_vse
      • 3.15.6.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.6.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.6.3. Run
        • How to Run the Program
        • Program Option Descriptions
        • Runtime Behavior
    • 3.15.7. multi_pipe_gdc_stitching
      • 3.15.7.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.7.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.7.3. Run
        • How to Run the Program
        • Program Option Descriptions
        • Runtime Behavior
    • 3.15.8. multi_pipe_vin_isp_vse_gpu2d
      • 3.15.8.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.8.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.8.3. Run
        • How to Run the Program
        • Program Option Descriptions
        • Running Effect
    • 3.15.9. multi_pipe_crop_and_stitch
      • 3.15.9.1. Function Overview
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow
      • 3.15.9.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.9.3. Run
        • Running the Program
        • Program Options
        • Running Effect
    • 3.15.10. uvc_gadget_camera
      • 3.15.10.1. Function Overview
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow
      • 3.15.10.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.10.3. Run
        • Running the Program
        • Program Options
        • Running Effect
    • 3.15.11. sample_custom_capbuf
      • 3.15.11.1. Function Overview
        • Software Architecture Description
        • Data Flow Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.11.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.15.11.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution Output
    • 3.15.12. uvc_capture_sample
      • 3.15.12.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.12.2. Compilation and Deployment
        • Compilation
        • Program Deployment
      • 3.15.12.3. Execution
        • How to Run the Program
        • Program Parameter Options
        • Execution Output
    • 3.15.13. mp4_decode_and_display
      • 3.15.13.1. Function Overview
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow
      • 3.15.13.2. Build and Deployment
        • Build
        • Deployment
      • 3.15.13.3. Running
        • How to Run
        • Program Parameter Options
        • Running Results
    • 3.15.14. single_pipe_vin_isp_vse_gpu2d
      • 3.15.14.1. Function Overview
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow
      • 3.15.14.2. Build and Deployment
        • Build
        • Deployment
      • 3.15.14.3. Running
        • How to Run
        • Program Parameter Options
        • Running Results
    • 3.15.15. single_pipe_vin_isp_vse_vo
      • 3.15.15.1. Function Overview
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow
      • 3.15.15.2. Build and Deployment
        • Build
        • Deployment
      • 3.15.15.3. Running
        • How to Run
        • Program Parameter Options
        • Running Results
    • 3.15.16. single_format_convert_gpu2d
      • 3.15.16.1. Function Overview
        • Software Architecture Description
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.16.2. Build and Deployment
        • Build
        • Program Deployment
      • 3.15.16.3. Run
        • How to Run the Program
        • Program Parameter Options
        • Running Results
    • 3.15.17. single_pipe_vin_isp_vse_multi_process
      • 3.15.17.1. Function Overview
        • Software Architecture
        • Data Flow
      • 3.15.17.2. Function Flowcharts
        • VSE process: single_pipe_vin_isp_vse_process.c
        • HDMI process: single_pipe_vin_isp_vse_hdmi.c
        • Encode process: single_pipe_vin_isp_vse_encode.c
        • Code Location and Directory Structure
      • 3.15.17.3. Build and Deployment
        • Build
        • Deployment
      • 3.15.17.4. Running
        • How to Run
        • Program Parameter Options
        • Running Results
    • 3.15.18. single_pipe_vin_isp_vse_bpu
      • 3.15.18.1. Function Flowcharts
        • Software Architecture
        • Data Flow
        • Code Location and Directory Structure
        • API Flow Description
      • 3.15.18.2. Build and Deployment
        • Build
        • Deployment
      • 3.15.18.3. Running
        • How to Run
        • Program Parameter Options
        • Running Results
  • 3.16. Sunrise camera User Instructions
    • 3.16.1. Function description
    • 3.16.2. Hardware environment preparation
      • 3.16.2.1. Network connection requirements
    • 3.16.3. Deploy Sunrise camera
      • 3.16.3.1. Program startup method
    • 3.16.4. Web client usage instructions
      • 3.16.4.1. Main interface
      • 3.16.4.2. Parameter configuration method
        • Smart camera configuration method
        • Intelligent analysis box configuration method
    • 3.16.5. Smart camera configuration
      • 3.16.5.1. Parameter description
      • 3.16.5.2. Dynamic adjustment of ISP parameters
        • Function description
        • How to use
    • 3.16.6. Intelligent analysis box configuration
      • 3.16.6.1. Parameter description
      • 3.16.6.2. Notes
    • 3.16.7. Use VLC player to play RTSP stream
      • 3.16.7.1. Play method
      • 3.16.7.2. 4K@30fps streaming configuration instructions
  • 3.17. Sunrise camera Development Guide
    • 3.17.1. Sunrise camera System Design
      • 3.17.1.1. System Block Diagram
      • 3.17.1.2. Microkernel Design
      • 3.17.1.3. Advantages and Disadvantages of the Architecture
    • 3.17.2. Sunrise camera Architecture View
      • 3.17.2.1. Module Division
      • 3.17.2.2. Event Bus Module (communicate)
        • Overview
        • Function Description
        • Module Code Structure
        • Interface Description
      • 3.17.2.3. Common Library Module (common)
        • Overview
        • Function Description
        • Module Code Structure
      • 3.17.2.4. Platform Module
        • Overview
        • Function Description
        • Module Code Structure
      • 3.17.2.5. External Interaction Module (Transport)
        • Overview
        • Media Server Module
        • Websocket Server Module
      • 3.17.2.6. Main Program Entry (main)
        • Overview
        • Execution Flow
      • 3.17.2.7. WebServer
        • Overview
        • Function Description
        • Module Code Structure
    • 3.17.3. Using BPU for Algorithm Inference
      • 3.17.3.1. Overview
      • 3.17.3.2. Adding a New Model Procedure
        • Prepare Algorithm Model
        • Add Initialization Process
        • Inference Thread Handler
        • Post-processing Thread Function
        • Post-processing Code
        • Rendering Processing Added on Web Page
  • 3.18. sample_trustzone Usage Guide
    • 3.18.1. Function Overview
      • 3.18.1.1. Software Architecture Description
      • 3.18.1.2. Code Location and Directory Structure
      • 3.18.1.3. API Process Description
    • 3.18.2. Compilation
      • 3.18.2.1. sample_ta Compilation
      • 3.18.2.2. sample_ca Compilation
    • 3.18.3. Deployment
      • 3.18.3.1. sample_ta Deployment
      • 3.18.3.2. sample_ca Deployment
    • 3.18.4. Execution
      • 3.18.4.1. Program Execution Method
      • 3.18.4.2. Program Parameter Options
      • 3.18.4.3. Execution Results
        • Verify Increment Command
        • Verify Decrement Command
        • Verify String Echo Command
    • 3.18.5. Common Issues
      • 3.18.5.1. CA Program Fails to Call TA with “Verify key” Error
  • 3.19. sample_crypto Usage Instructions
    • 3.19.1. Function Overview
      • 3.19.1.1. Software Architecture Description
      • 3.19.1.2. Code Location and Directory Structure
      • 3.19.1.3. API Process Description
    • 3.19.2. Compilation & Deployment
      • 3.19.2.1. Compilation
      • 3.19.2.2. Deployment
    • 3.19.3. Execution
      • 3.19.3.1. sample_cipher Execution
        • sample_cipher Execution Method
        • sample_cipher Parameter Options Description
        • sample_cipher Execution Results
      • 3.19.3.2. sample_digest Execution
        • sample_digest Execution Method
        • sample_digest Parameter Options Description
        • sample_digest Execution Results
      • 3.19.3.3. sample_hmac Execution
        • sample_hmac Execution Method
        • sample_hmac Parameter Options Description
        • sample_hmac Execution Results
      • 3.19.3.4. sample_rsa Execution
        • sample_rsa Execution Method
        • sample_rsa Parameter Options Description
        • sample_rsa Execution Results
    • 3.19.4. Common Issues
      • 3.19.4.1. What are the differences when using different key lengths in HMAC?
  • 3.20. sample_qt Usage Instructions
    • 3.20.1. Overview
      • 3.20.1.1. Software Architecture
      • 3.20.1.2. Code Location and Directory Structure
      • 3.20.1.3. API Flow Description
    • 3.20.2. Compilation and Deployment
      • 3.20.2.1. Compilation
      • 3.20.2.2. Program Deployment
    • 3.20.3. Running
      • 3.20.3.1. Program Execution Method
      • 3.20.3.2. Program Parameter Options
      • 3.20.3.3. Running Results
    • 3.20.4. Common Issues
      • 3.20.4.1. Error: Cannot Find DRM Device or Qt Platform Plugin at Startup
  • 3.21. sample_lvgl_camera Usage Guide
    • 3.21.1. Overview
      • 3.21.1.1. Software Architecture
      • 3.21.1.2. Code Location and Directory Structure
      • 3.21.1.3. API Flow Description
    • 3.21.2. Environment Preparation
    • 3.21.3. Build and Deploy
      • 3.21.3.1. Build
      • 3.21.3.2. Deploy
    • 3.21.4. Running
      • 3.21.4.1. How to Run
      • 3.21.4.2. UI Controls
      • 3.21.4.3. Expected Behavior
• 4. BSP Development Guide
  • 4.1. Setting Up the Development Environment and Compilation Instructions
    • 4.1.1. Overview
    • 4.1.2. Setting Up the Development Environment
      • 4.1.2.1. Host Machine Specifications
      • 4.1.2.2. Configuring the Host Build Environment
        • Installing Ubuntu Packages (Recommended Method)
        • Installing Python Packages (Required)
        • Manual Installation of Ubuntu Packages (Optional Method)
      • 4.1.2.3. Installing the Cross-Compilation Toolchain (GCC)
    • 4.1.3. BSP Source Code Directory Structure
      • 4.1.3.1. Top-Level Directory Structure
      • 4.1.3.2. bd.sh File
      • 4.1.3.3. device Directory
      • 4.1.3.4. build Directory
      • 4.1.3.5. out Directory
    • 4.1.4. Compilation Process and Commands
      • 4.1.4.1. Compilation Process
      • 4.1.4.2. Using the lunch Command to Select Board Configuration
        • Configuration Flow
        • Usage Methods
        • Examples
      • 4.1.4.3. Compilation Commands
        • Full Command Mode
        • Shortcut Command Mode
      • 4.1.4.4. Full Build
      • 4.1.4.5. Modular Build
      • 4.1.4.6. Non-secure Firmware
        • Overview
        • Build
        • Boot log information
      • 4.1.4.7. Clean Functions
        • clean
        • distclean
        • Help Information
    • 4.1.5. Building BSP Using Docker
      • 4.1.5.1. Install Docker
        • Step 1: Install Docker
        • Step 2: Add User to Docker Group
        • Step 3: Configure Docker Proxy Settings
        • Step 4: Verify Docker Installation
      • 4.1.5.2. Build Container Image
      • 4.1.5.3. Start Container
      • 4.1.5.4. Remove Container
      • 4.1.5.5. start_docker.sh Usage Guide
        • Usage
        • Options
        • Example
    • 4.1.6. Use Podman to compile BSP
      • 4.1.6.1. Podman Introduction
      • 4.1.6.2. Podman installation
      • 4.1.6.3. Configure Podman basic environment
        • policy.json
        • registries.conf
        • registries.conf.d/999-mirror.conf
      • 4.1.6.4. Use Podman to build container images
      • 4.1.6.5. Start the Podman container
      • 4.1.6.6. Delete Podman container
      • 4.1.6.7. start_podman.sh Instructions for use
      • 4.1.6.8. Podman FAQ
        • Reporting alias related errors when building the container
        • Missing cache file
  • 4.2. Hardware Bring-Up Guide
    • 4.2.1. Hardware Bring-Up Basic Process
      • 4.2.1.1. Minimal System Preparation
      • 4.2.1.2. Hardware Board Inspection and Debugging
      • 4.2.1.3. Troubleshooting Boot Failures
      • 4.2.1.4. System Functionality Verification
      • 4.2.1.5. System Stability Testing
    • 4.2.2. Adding Board-Level Configuration
      • 4.2.2.1. Key Configuration Items Explained
      • 4.2.2.2. Partition Configuration
        • Partition Table File Description
      • 4.2.2.3. U-Boot Option Configuration
      • 4.2.2.4. Kernel Option Configuration
    • 4.2.3. Adding New Hardware in U-Boot
      • 4.2.3.1. Hardware Board ID Overview
      • 4.2.3.2. Adding a New U-Boot Configuration File
      • 4.2.3.3. Adding a New Software Board ID Definition
        • Modify Kconfig File
        • Modify Board ID Macro Definitions
        • Avoid Software Board ID Conflicts
        • Verify Added Content
        • Relationship Between Hardware Board ID and Software Board ID
      • 4.2.3.4. Adding Device Tree in U-Boot
        • Create Device Tree File
        • Include New File in Main Device Tree
        • Modify board_type Configuration
        • Notes
      • 4.2.3.5. Applying Board ID in U-Boot Configuration
        • Use the New Configuration File
        • Save Configuration
    • 4.2.4. Adding Hardware Support in Kernel
      • 4.2.4.1. Add Kernel Configuration File
      • 4.2.4.2. Add Device Tree
      • 4.2.4.3. Default Module States
      • 4.2.4.4. Edit Board-Level Device Tree
      • 4.2.4.5. Matching Software Board ID with Device Tree (DTB)
        • Configure its File to Add Device Tree
        • Notes
        • U-Boot Kernel Boot Process
    • 4.2.5. Debugging Minimal System
      • 4.2.5.1. Serial Log in Blank Chip State
      • 4.2.5.2. System Flashing
      • 4.2.5.3. Debugging Boot Stages
        • 1. miniboot boot failure
        • 2. U-Boot boot failure
        • 3. Kernel boot failure
    • 4.2.6. System Stability and Stress Testing
  • 4.3. Driver Development Guide
    • 4.3.1. Address space mapping
      • 4.3.1.1. Overview
      • 4.3.1.2. Memory address space
        • SRAM and DDR address spaces
        • SRAM and DDR address space usage
    • 4.3.2. Configure U-Boot and Kernel Option Parameters
      • 4.3.2.1. Configuring U-Boot Option Parameters
        • Configuring Using the xbuild Command
        • Manual Configuration
      • 4.3.2.2. Configuring Kernel Option Parameters
        • Configuring Using the xbuild Command
        • Manual Configuration
    • 4.3.3. UART Driver Debug Guide
      • 4.3.3.1. Overview
      • 4.3.3.2. Functional Description
        • Typical Applications
        • Functional Principle
        • Operation Modes
      • 4.3.3.3. Driver Code
        • U-Boot Driver Code
        • Kernel Driver Code, Configuration, and Device Tree
      • 4.3.3.4. Functional Usage
        • Usage in U-Boot Stage
        • Usage in Kernel Stage
        • Usage in User Space Stage
      • 4.3.3.5. Common Issues
    • 4.3.4. GPIO Debug Guide
      • 4.3.4.1. Overview
      • 4.3.4.2. Features
      • 4.3.4.3. Functional Description
        • Typical Application
        • Functional Principle
        • Working Mode
      • 4.3.4.4. Driver Code
        • Kernel Space
      • 4.3.4.5. Function Usage
        • U-Boot Space
        • User Space
        • Using GPIO IRQ Functionality
        • FAQ
    • 4.3.5. Pinctrl Debug Guide
      • 4.3.5.1. Overview
      • 4.3.5.2. Features
      • 4.3.5.3. Functional Description
        • Typical Applications of Pinctrl
        • Pinctrl Functional Principle
        • Pinctrl Working Mechanism
        • Driver Code
      • 4.3.5.4. Using Pinctrl
        • Driver DTS Configuration
        • Driver Invocation Code
        • User Space Debugging
    • 4.3.6. IO-Domain Debug Guide
      • 4.3.6.1. IO-Domain Overview
      • 4.3.6.2. IO-Domain Characteristics
      • 4.3.6.3. Functional Description
        • Typical IO-Domain Applications
        • IO-Domain Functional Principle
        • IO-Domain Operation Flow
      • 4.3.6.4. Driver Code
        • Kernel Space
      • 4.3.6.5. Functional Usage
        • User Space
        • Uboot Space
        • DTS Configuration During Driver Call
        • Command Query and Usage
      • 4.3.6.6. FAQ
    • 4.3.7. ADC Debug Guide
      • 4.3.7.1. Overview
      • 4.3.7.2. Features
      • 4.3.7.3. Functional Description
        • Typical Applications
        • Functional Principle
        • Operation Modes
      • 4.3.7.4. Driver Code
        • U-Boot
        • Kernel
      • 4.3.7.5. Functional Usage
        • U-Boot
        • User-Space Usage
      • 4.3.7.6. Common Issues
    • 4.3.8. SPI Debug Guide
      • 4.3.8.1. SPI Overview
      • 4.3.8.2. Features
        • Hardware Description
      • 4.3.8.3. Functional Description
        • Typical Application
        • Functional Principle
        • Operation Modes
      • 4.3.8.4. Driver Code
        • Introduction to Linux SPI Driver Framework
        • SPI Driver Code Location
        • SPI DTS Configuration Description
      • 4.3.8.5. Functional Usage
        • Configuration for Using SPI1 Dual Chip Select
        • Clock Polarity and Phase Settings
        • SPI Multi-CS User Guide
        • User-Space Usage
      • 4.3.8.6. Common SPI Communication Errors and Troubleshooting Methods
        • Issues Caused by Incorrect Clock Polarity or Phase Settings
        • Common Causes of Unstable Data Transmission
        • How to Use Debugging Tools to Resolve SPI Communication Issues
    • 4.3.9. I2C Debug Guide
      • 4.3.9.1. Overview
      • 4.3.9.2. Features
        • Typical Applications
        • Functional Principle
      • 4.3.9.3. Driver Code
        • Kernel Configuration Location
        • Kernel DTS Node Configuration
      • 4.3.9.4. I2C Usage
        • I2C Usage in U-Boot Stage
        • I2C Usage in Kernel Stage
        • I2C Slave Mode Usage
        • User Space
      • 4.3.9.5. Common I2C Issues
        • Insufficient Drive Strength
        • Abnormal Device Power-Up Sequence
    • 4.3.10. LPWM Driver Debug Guide
      • 4.3.10.1. Overview
      • 4.3.10.2. Features
      • 4.3.10.3. Functional Description
        • Typical Applications
        • Functional Principle
      • 4.3.10.4. Driver Code
        • LPWM Code Path
        • Kernel Configuration
        • DTS Node Configuration
      • 4.3.10.5. Function Usage
        • Kernel Space
        • User Space
      • 4.3.10.6. Common Issues
        • Q: If the source trigger stops after some time, will LPWM continue to output square waves?
        • Q: LPWM trigger and interrupt mechanism
    • 4.3.11. PWM Driver Debug Guide
      • 4.3.11.1. Overview
      • 4.3.11.2. Features
      • 4.3.11.3. Functional Description
        • Typical Application
        • Functional Principle
        • Operation Mode
      • 4.3.11.4. Driver Code
        • PWM Code Description
        • Kernel Configuration
        • DTS Node Configuration
      • 4.3.11.5. Function Usage
        • Kernel Space
        • User Space
    • 4.3.12. RTC Debug Guide
      • 4.3.12.1. RTC Overview
        • RTC Features
        • RTC Functional Principles
        • RTC Typical Applications
      • 4.3.12.2. RTC Driver Code
        • Linux RTC Driver Framework
        • RTC Driver Code Explanation
      • 4.3.12.3. Kernel Configuration
      • 4.3.12.4. RTC Usage Overview
        • RTC Testing Methods
        • RTC Test Interfaces
      • 4.3.12.5. Common RTC Issues
    • 4.3.13. Watchdog Driver Debug Guide
      • 4.3.13.1. Watchdog Overview
      • 4.3.13.2. Watchdog Features
      • 4.3.13.3. Functional Description
        • Typical Applications of Watchdog
        • Watchdog Functional Principle
        • Watchdog Operation Modes
      • 4.3.13.4. Watchdog Driver Code Description
        • Watchdog Related Code Paths
        • Watchdog DTS Configuration
        • Watchdog Kernel Configuration
      • 4.3.13.5. Watchdog Function Usage
        • Watchdog Register Description
        • Watchdog Driver Key Structure Descriptions
        • Watchdog Driver Interface Functions
        • Watchdog Testing
      • 4.3.13.6. Common Issues
    • 4.3.14. Thermal System
      • 4.3.14.1. Overview of the Thermal System
      • 4.3.14.2. Functional Description of the Thermal System
        • Typical Applications of the Thermal System
        • Principle of Thermal System Functionality
        • Operation of the Thermal System
      • 4.3.14.3. Thermal Driver Code
        • Thermal-Related Code Paths
        • Thermal Device Tree Configuration
        • Thermal Kernel Configuration
      • 4.3.14.4. Functions and Usage of the Thermal System
        • Explanation of Key Structures in Thermal Driver
        • Key Function Interfaces of Thermal Subsystem
      • 4.3.14.5. Thermal system debugging guide for driver platform
      • 4.3.14.6. Thermal reference documentation
    • 4.3.15. Ethernet Driver Debug Guide
      • 4.3.15.1. Overview
        • Main Functions of MAC
        • Main Functions of PHY
      • 4.3.15.2. Features
      • 4.3.15.3. Functional Description
        • Typical Application
        • Functional Principles
      • 4.3.15.4. Driver Code
        • U-Boot Driver Description
        • Kernel Driver Description
      • 4.3.15.5. Usage
        • U-Boot Usage
        • Kernel Usage
      • 4.3.15.6. Common Issues
        • Quick Network Interface Troubleshooting
        • “Cannot attach to PHY” When Loading Network Interface
        • “MAC Reset Failed”
        • Auto-negotiation Failure
        • Unable to Ping in U-Boot / Kernel
        • Severe Packet Loss or High Number of Transmit/Receive Errors
    • 4.3.16. PMIC Driver Debugging Guide
      • 4.3.16.1. PMIC Overview
      • 4.3.16.2. PMIC Functional Description
        • Typical Applications of PMIC
        • PMIC Functional Principles
      • 4.3.16.3. PMIC Driver Code
        • PMIC Driver Framework
        • Introduction to MFD Driver Code
        • Introduction to Regulator Driver Code
        • Introduction to Regmap Driver Code
      • 4.3.16.4. PMIC Usage Guide
        • hpu3501 MFD Layer Driver Code
        • hpu3501 Regulator Layer Driver Code
        • hpu3501 RTC Function Overview
      • 4.3.16.5. PMIC Testing
      • 4.3.16.6. Common PMIC Issues
        • Abnormal Voltage Output
        • Communication Failure
        • Noise Interference or Power Quality Issues
      • 4.3.16.7. Reference Documents
    • 4.3.17. LCD Driver Debug Guide
      • 4.3.17.1. LCD Overview
      • 4.3.17.2. Interface Description
      • 4.3.17.3. Specifications
      • 4.3.17.4. Functional Principles
        • MIPI DSI
        • Touch
        • Backlight Control
      • 4.3.17.5. Debugging Procedure
        • Obtain Screen Information
        • Kernel Driver Level
        • Kernel Device Tree Level
        • Compilation
        • Testing
    • 4.3.18. USB/USB Gadget Debug Guide
      • 4.3.18.1. Overview
        • USB 2.0 OTG
        • USB 3.0 OTG
        • Related Terms
      • 4.3.18.2. Functional Description
        • Typical Applications
        • Functional Principles
      • 4.3.18.3. Code Analysis
        • USB Gadget Driver
        • USB Gadget Scripts
        • usb-gadget.sh Script Configuration Flow
      • 4.3.18.4. USB Gadget Function Usage
        • ADB (Android Debug Bridge)
        • Rndis Network Interface
        • ECM Network Interface
        • MSD (Mass Storage Device)
        • HID (Human Interface Device)
        • ACM Serial Port
        • UAC (USB Audio Class)
        • UVC (USB Video Class)
      • 4.3.18.5. Common Issues
        • Which interfaces correspond to USB 2.0 and USB 3.0 on the X5 EVB board?
        • When using USB 2.0 to emulate a device, getting error: “usb-gadget is already running”
        • How to use USB 3.0 Gadget
        • How to switch USB 3.0 between Host and Device modes
    • 4.3.19. Audio Development and Debugging Guide
      • 4.3.19.1. Overview
      • 4.3.19.2. Features
      • 4.3.19.3. Functional Description
        • Typical Applications
        • Functional Principles
        • Operating Modes
      • 4.3.19.4. Driver Code
        • Kernel Driver Code, Configuration, and Device Tree
      • 4.3.19.5. Function Usage
        • Kernel Phase Usage
        • User-Space Usage
      • 4.3.19.6. Common Issues
        • Q1: How to troubleshoot silence issues?
        • Q2: Few LOGs, unable to locate the problem, what to do?
        • Q3: How to determine sound card registration success and PCM device correspondence?
        • Q4: What is an xrun issue, and how to locate and resolve it when encountered?
        • Q5: Errors related to opening device nodes:
    • 4.3.20. SDIO Usage Guide
      • 4.3.20.1. Overview
      • 4.3.20.2. Features
      • 4.3.20.3. Functional Description
        • Typical Applications
        • Functional Principles
      • 4.3.20.4. Driver Code
        • Kernel Driver
        • Kernel SDIO Framework Debugging
        • SDIO Device Debugging
      • 4.3.20.5. Common Issues
        • 1. Unable to Recognize SDIO Device
        • 2. Card Operating Mode Does Not Match Expectation
        • 3. Controller Not Initialized
    • 4.3.21. Wi-Fi Driver Debug Guide
      • 4.3.21.1. Overview
      • 4.3.21.2. RealTek RTL8852BS Porting
        • Schematic Confirmation
        • Adding Source Code
        • Kernel Configuration
        • DTS Configuration
        • Build and Flash
        • Driver Loading and Debugging
        • RTL8852BS WOW Feature Verification
      • 4.3.21.3. FCS960K Porting
        • Schematic Confirmation
        • Driver Porting
        • Build and Flash
        • Driver Debugging
      • 4.3.21.4. Wi-Fi Usage
        • Wi-Fi STA Mode Testing
        • Wi-Fi AP Mode Test
      • 4.3.21.5. Wi-Fi Performance Test
      • 4.3.21.6. Common Issues
        • Wi-Fi Interface Name Change
        • Communication Failure Error Codes
    • 4.3.22. Bluetooth Driver Debug Guide
      • 4.3.22.1. Overview
      • 4.3.22.2. RealTek RTL8852BS Porting
        • Schematic Confirmation
        • Kernel Configuration
        • DTS Configuration
        • Compile and Flash
        • Driver Loading and Debugging
        • Initialization Program Compilation and Firmware Configuration
      • 4.3.22.3. FCS960K Porting
        • Schematic and Compile/Flash
        • Initialization Program
      • 4.3.22.4. Bluetooth Usage
        • Status Confirmation
        • Initialization
        • Pairing and Connection
        • Summary
      • 4.3.22.5. Common Issues
        • Bluetooth initialization fails when executing /etc/init.d/bt_init.sh
        • Default Bluetooth Name and Modification Method
    • 4.3.23. QoS Debug Guide
      • 4.3.23.1. Overview
      • 4.3.23.2. Features
      • 4.3.23.3. Functional Description
        • Typical Applications
        • Functional Principles
      • 4.3.23.4. QoS Register Default Configuration
        • Bandwidth, BW, F Register Values
        • Mode, P1, P0 Registers
      • 4.3.23.5. Usage Methods
        • Common Mode
        • Advanced Mode
        • QoS Module Parameter Display Script
        • QoS Configuration Tool qos_tool.sh
    • 4.3.24. AXI-Monitor Debug Guide
      • 4.3.24.1. Overview
        • Typical Applications
        • Functional Principle
      • 4.3.24.2. Function Usage
        • Parameter Description
        • Log Description
      • 4.3.24.3. Common Issues
    • 4.3.25. X5 USB User Manual
      • 4.3.25.1. Introduction
      • 4.3.25.2. Role Switching (Host/Device)
      • 4.3.25.3. Host Mode
      • 4.3.25.4. Device Mode
        • Common Gadget Configuration Commands
      • 4.3.25.5. USB Compliance Testing
        • USB 2.0
        • USB 3.0
        • USB Eye Diagram Test
    • 4.3.26. boardinfo Debug Guide
      • 4.3.26.1. Overview
      • 4.3.26.2. Functional Description
      • 4.3.26.3. Driver Code
      • 4.3.26.4. Usage
        • sysfs Interface
        • Userspace API Interface
      • 4.3.26.5. Common Issues
    • 4.3.27. Time Synchronization Debugging Guide
      • 4.3.27.1. Overview
      • 4.3.27.2. Characteristics
      • 4.3.27.3. Functional Description
        • Typical Applications
        • Functional Principles
        • Working Methods
      • 4.3.27.4. Driver Code
      • 4.3.27.5. Function Usage
      • 4.3.27.6. Common Issues
    • 4.3.28. bootloader Usage instructions
      • 4.3.28.1. Bootloader User Guide
        • Introduction to Bootloader
        • Bootloader Boot Process
        • Introduction to Secure Boot Process
        • U-Boot Dynamic Configuration of Kernel ION Reserved Memory Size Usage Guide
        • U-Boot Usage Guide for dtb overlay
        • U-Boot Configuration of Watchdog
        • U-Boot Configuration of PHY
        • U-Boot Configuration of UART
        • U-Boot Configuration of IO-Domain
        • Description of Commonly Used Commands in U-Boot
        • Bootloader Glossary
      • 4.3.28.2. BL2 Configuration File Description
        • BL2 Feature Configuration
        • DDR Configuration
        • eFUSE Configuration
    • 4.3.29. HIFI5 Guidelines for use
      • 4.3.29.1. HIFI5 User Guide
        • Overview
        • Quick Start
      • 4.3.29.2. Voice Wake-up and Sleep Example
        • Example Function Overview
        • Example Source Code Structure
        • Compilation Dependencies
        • Voice Wake-up Procedure
      • 4.3.29.3. SSF Middleware Development Guide
        • Basic Concepts
        • Routing Configuration
        • Algorithm Porting Guide
        • Communication Between A-core and DSP
        • Debugging Guide
      • 4.3.29.4. HIFI5 Interface Documentation
        • Modules API
        • ARM-side IPC Call API
        • Return Value Description
  • 4.4. System Component Development
    • 4.4.1. Auto-start Configuration
      • 4.4.1.1. Overview and Introduction
      • 4.4.1.2. Detailed Functionality
        • System Boot Process
        • Analysis of the init Process
        • /etc/init.d/rcS
      • 4.4.1.3. Porting and Development
        • Example: Creating an Initialization Script
      • 4.4.1.4. Common Issues
    • 4.4.2. Integrating User Software into System Image
      • 4.4.2.1. Adding Files to the system Partition of the Root File System
      • 4.4.2.2. Creating a Dedicated Partition for Custom Files
        • Notes
        • Implementation Steps
        • Verification
    • 4.4.3. Root Filesystem Adaptation Guide
      • 4.4.3.1. Creating Root Filesystem with Buildroot
        • Buildroot Source Code
        • Prebuilt Root Filesystems
        • Building system
        • Building initramfs
        • Building QT Support Package
      • 4.4.3.2. Use Multistrap to create Ubuntu root file system
        • Precompiled root file system
        • Make system
      • 4.4.3.3. Using APPSDK for Application Development
        • Prerequisites
        • Packaging the SDK
        • Installing the SDK
        • Upgrade and Uninstall
        • Compiling Applications with the SDK
        • Verifying the SDK
        • SDK Directory Structure
        • version File
        • FAQ
        • Notes
    • 4.4.4. System Miniaturization and Trimming
      • 4.4.4.1. Overview
      • 4.4.4.2. Introduction to System Trimming
      • 4.4.4.3. System Trimming Methods
        • U-Boot Trimming
        • Linux Kernel Trimming
        • Root Filesystem Trimming
      • 4.4.4.4. Basic Principles of System Trimming
      • 4.4.4.5. System Trimming Examples
        • Minimal System Configuration
        • Minimal Kernel Configuration
        • Build and Test
      • 4.4.4.6. Common Issues
        • Loss or Unavailability of Functionality
        • System Instability or Crashes
        • Dependency Issues
        • Performance Degradation
        • Compatibility Issues
      • 4.4.4.7. References
    • 4.4.5. Quickstart Guide
      • 4.4.5.1. Overview
        • Prerequisites
      • 4.4.5.2. Image Preparation and Flashing
      • 4.4.5.3. Boot Time Comparison Before and After Optimization
        • Measurement Tools
      • 4.4.5.4. Integrating User Software into the Quickstart Image
        • Built-in User Software
        • Adding Boot-Time Startup Scripts
      • 4.4.5.5. Quickstart Boot Chain Optimization
        • U-Boot Optimization
        • Kernel Optimization
        • System Optimization
        • Display Application Optimization
      • 4.4.5.6. FAQ
        • How to load custom kernel modules
        • How to enable OTA (A/B partition) configuration
    • 4.4.6. ION System Debugging Guide
      • 4.4.6.1. Overview
        • ION Memory Regions
        • Characteristics of ION Memory
        • ION Region Allocation Rules
      • 4.4.6.2. ION Usage Methods
        • ION Region Size Adjustment Method
        • ION Debugging Methods
        • ION Region Name Mapping Table
      • 4.4.6.3. Adjusting ION Region Size Based on Application Scenarios
        • Theoretical Calculation of ION Resource Usage
        • Validating Theoretical Values
        • Modify and Apply ION Region Configuration
    • 4.4.7. Log System Introduction
      • 4.4.7.1. Introduction to Linux Log System
        • Log Buffer
        • Log Writing Interfaces
        • Log Extraction
      • 4.4.7.2. Log Directory Structure
        • Log Partition
        • Log Partition Content Description
      • 4.4.7.3. Log Management
        • Log Processes
        • Log Management Methods
        • pstore
      • 4.4.7.4. log debug
        • log debugging notes
        • How to preserve effective logs during system hang
        • How to effectively obtain logs from the time of issue
      • 4.4.7.5. Recording AB/BAK abnormal switch reasons
        • Introduction
        • hrut_switch_reason tool usage
        • View via cmdline
        • View via system log
    • 4.4.8. Information Security Development Guide
      • 4.4.8.1. Introduction to security hardware
        • Overview
        • Hardware Security Driver
        • Notes
      • 4.4.8.2. FDE Full disk encryption
        • Overview
        • FDE Tools
        • X5 FDE User Password Management
        • X5 FDE Usage
      • 4.4.8.3. FBE File encryption
        • FBE File Encryption
      • 4.4.8.4. Safe start
        • X5 Secure Boot Overview
        • Uboot & BL2 CFG Verification
        • Kernel & Rootfs Verification
        • Software Version Anti-Rollback
        • Enabling Secure Boot
        • Verifying Secure Boot
      • 4.4.8.5. boot encrypt
        • boot encryption introduction
        • boot encryption usage
        • boot key storage
      • 4.4.8.6. TEE
        • ARM TrustZone
        • About X5 TEE
        • TA Development
      • 4.4.8.7. eFuse Burning
        • X5 eFuse Introduction
        • BL2 eFuse Programming
        • U-Boot Read/Write eFuse
        • Linux Read/Write eFuse
        • Notes
        • X5 Customer Root RSA Key Hash Burning and Usage
      • 4.4.8.8. secure storage
        • X5 Secure Storage Introduction
        • KEY Management
        • Secure Storage Operation Interfaces
        • Secure Storage Operation Commands
    • 4.4.9. OTA
      • 4.4.9.1. OTA Functionality and Introduction
        • Overview and Introduction
        • System Partition Table
        • Detailed Functional Description
        • Introduction to the OTA Packaging Module
        • OTA Upgrade End Introduction
      • 4.4.9.2. OTA API
        • Error Types Returned by Dynamic Library Interfaces
        • Interface List
    • 4.4.10. USB Flash Drive Update Function
      • 4.4.10.1. Overview and Introduction
        • Introduction
        • Prerequisites
      • 4.4.10.2. Feature Description
        • Update Types
        • Update Directory Layout
        • Update Procedure
        • Serial Log Reference
      • 4.4.10.3. Upgrade Steps
        • Pre-upgrade Checks
        • Full-image update
        • Split full-image update
        • Partition Upgrade
        • Manual usbupdate
      • 4.4.10.4. Porting Guide
        • Code Paths
        • Code Integration
        • Update Flowchart:
      • 4.4.10.5. Common Issues
        • How to determine if the device supports automatic USB flash drive update?
        • USB drive inserted but no update occurs
        • Checking the update result
        • Update failure
        • emmc_disk.img exceeds 4 GB per file
    • 4.4.11. Low Power Mode Debugging Guide
      • 4.4.11.1. Overview and Introduction
      • 4.4.11.2. Detailed Explanation of Low Power Debugging
      • 4.4.11.3. Dynamic Voltage and Frequency Scaling (DVFS)
        • Frequency and Voltage Adjustment Methods
        • Porting and Development
        • Common DVFS Issues
      • 4.4.11.4. Suspend and Resume
        • Suspend and Resume Methods
        • Porting and Development
        • System Suspend and Wake-up Testing
        • Common Suspend/Resume Issues
      • 4.4.11.5. Typical Scenario Power Consumption
    • 4.4.12. System Performance Optimization Guide
      • 4.4.12.1. Overview
        • Analysis of Causes of Performance Issues
        • Performance Optimization Goals
        • Performance Optimization Layers
        • Fundamental Principles of Performance Optimization
      • 4.4.12.2. Performance Diagnostic Tools
        • top
        • mpstat
        • pidstat
        • iostat
        • vmstat
        • free
        • uptime
        • sar
        • iozone
        • iperf3
        • netstat
        • Summary of Performance Diagnosis Tools
        • Introduction to Other Performance Analysis Tools
      • 4.4.12.3. System Optimization Strategies
        • CPU Optimization
        • Memory Optimization
        • Storage Optimization
        • Network Optimization
      • 4.4.12.4. Application Optimization
        • Coding Principles
        • Daemon Thread Optimization
        • Dynamic Library Loading Optimization
      • 4.4.12.5. Introduction to the USE Method
        • Core Concepts of the USE Method
        • Workflow of the USE Method
        • Performance Analysis Steps Based on the USE Method
        • USE Method Metrics List
      • 4.4.12.6. Case Study
        • Writing Test Cases
        • Test Analysis
      • 4.4.12.7. References
  • 4.5. Driver function unit test
    • 4.5.1. Overview
      • 4.5.1.1. Test Program Storage Path
      • 4.5.1.2. Test Environment Preparation
      • 4.5.1.3. Test Execution Method
      • 4.5.1.4. Test Objectives and Standards
    • 4.5.2. AutoTest Usage Guide
      • 4.5.2.1. AutoTest Directory Structure
      • 4.5.2.2. config.ini Configuration File Description
        • Configuration File Structure
        • Configuration File Example
        • Usage Instructions
      • 4.5.2.3. Starting Tests with startup.sh
      • 4.5.2.4. Viewing Test Logs
        • Modifying Log Storage Path
      • 4.5.2.5. Adding New Test Items
        • Write the Test Script
        • Configure the config.ini File
        • Start the Test
        • Verify the Test Item
    • 4.5.3. CPU-BPU-DDR Stress Test
      • 4.5.3.1. Test Principle
      • 4.5.3.2. Preparations
      • 4.5.3.3. Test Method
      • 4.5.3.4. Test Metrics
        • Test Results
    • 4.5.4. eMMC Stress Test
      • 4.5.4.1. Test Principle
        • Test Content
      • 4.5.4.2. Preparation
      • 4.5.4.3. Test Method
        • eMMC Stability Test:
        • eMMC Performance Test:
      • 4.5.4.4. Test Metrics
        • eMMC Stability Test
        • eMMC Stability Test Results
        • eMMC Performance Test
        • eMMC Performance Test Results
    • 4.5.5. QSPI NAND Flash Stress Test
      • 4.5.5.1. Test Principle
        • Test Content
      • 4.5.5.2. Preparation
      • 4.5.5.3. Test Method
      • 4.5.5.4. Test Metrics
        • QSPI NAND Flash Test Results
    • 4.5.6. UART Stress Test
      • 4.5.6.1. Test Principle
        • Test Content
      • 4.5.6.2. Preparation
        • Instructions for Using the Stress Test Script
        • Instructions for Running the Test Program
        • Notes
      • 4.5.6.3. Test Metrics
        • UART Stress Test Results
    • 4.5.7. SPI Stress Test
      • 4.5.7.1. Test Principle
        • Test Content
      • 4.5.7.2. Preparation
        • Stress Test Script User Manual
        • spistress.sh
        • spidev_tc
        • Precautions
      • 4.5.7.3. Test Method
      • 4.5.7.4. Test Metrics
        • SPI Stress Test Results
    • 4.5.8. Wi-Fi Performance Testing
      • 4.5.8.1. Test Preparation
      • 4.5.8.2. Test Method
        • Step 1: Start the Server
        • Step 2: Start the Client
      • 4.5.8.3. Test Results
      • 4.5.8.4. Performance Standards
    • 4.5.9. Ethernet Performance Testing
      • 4.5.9.1. Throughput Testing
        • Test Principle
        • Preparations
        • Example Configuration
        • Test Method
        • Test Criteria
      • 4.5.9.2. MTU Performance Testing
        • Test Principle
        • Preparations
        • Test Method
        • Test Criteria
      • 4.5.9.3. Common Issues
        • 1. Why can’t the iperf3 client connect to the server?
        • 2. Why is the measured bandwidth lower than expected?
        • 3. Why is there high packet loss during testing?
        • 4. How to resolve the “Address already in use” error when running iperf3?
        • 5. Why do MBytes and Bitrate look the same across MTU test tiers?
        • 6. Why is MTU 9000 not tested?
    • 4.5.10. CPU Performance Test
      • 4.5.10.1. Test Principles
      • 4.5.10.2. Test Preparation
      • 4.5.10.3. Test Method
      • 4.5.10.4. Test Metrics
        • Scoring Standards
        • Understanding the Scoring Standards
      • 4.5.10.5. Common Issues
    • 4.5.11. DDR Bandwidth Test
      • 4.5.11.1. Test Principle
      • 4.5.11.2. Preparation
      • 4.5.11.3. Test Method
      • 4.5.11.4. Test Metrics
        • Scoring Criteria
        • Test Result
    • 4.5.12. USB Bus Speed Test
      • 4.5.12.1. Test Principle
        • Test Content
      • 4.5.12.2. Preparation
        • USB Drive Read/Write Preparation Method
      • 4.5.12.3. Test Method
      • 4.5.12.4. Preparation
        • USB Virtual Network Interface Preparation Method
      • 4.5.12.5. Test Method
      • 4.5.12.6. Test Metrics
        • Common Influencing Factors
        • Test Results
    • 4.5.13. 2D GPU Performance Test
      • 4.5.13.1. Test Principle
      • 4.5.13.2. Test Preparation
      • 4.5.13.3. Test Method
      • 4.5.13.4. Test Metrics
      • 4.5.13.5. Common Issues
    • 4.5.14. 3D GPU Performance Test
      • 4.5.14.1. Test Principles
      • 4.5.14.2. Test Preparation
      • 4.5.14.3. Test Methods
        • Rendering Performance Test Method
        • Computing Performance Test Method
      • 4.5.14.4. Test Metrics
        • Rendering Performance Metrics
        • Computing Performance Metrics
      • 4.5.14.5. Common Issues
    • 4.5.15. GPIO IRQ Test
      • 4.5.15.1. Test Principle
      • 4.5.15.2. Test Preparation
      • 4.5.15.3. Test Method
        • Load the Driver
        • Test with the Driver
      • 4.5.15.4. Test Metrics
      • 4.5.15.5. Test Results
    • 4.5.16. Bluetooth Performance Testing
      • 4.5.16.1. Test Preparation
      • 4.5.16.2. Test Method
        • Step 1: Start the Server
        • Step 2: Start the Client
      • 4.5.16.3. Test Results
      • 4.5.16.4. Performance Standards
      • 4.5.16.5. Common Issues
        • 1. Connection disconnects after executing bt-network
    • 4.5.17. ADC Test
      • 4.5.17.1. Test Principle
      • 4.5.17.2. Preparation
        • Script Usage
        • Parameter Description
        • Notes
      • 4.5.17.3. Test Steps
        • Single Sampling Test
        • Continuous Sampling Test
      • 4.5.17.4. Test Criteria
        • Output Information
        • Result Assessment
    • 4.5.18. Watchdog Test
      • 4.5.18.1. Test Principle
      • 4.5.18.2. Preparation
        • Script Usage
      • 4.5.18.3. Test Steps
        • Check Default Timeout
        • Check Feeding Source
        • Check Remaining Timeout
        • Feed Test
        • Disable Watchdog
      • 4.5.18.4. Test Metrics
    • 4.5.19. RTC Test
      • 4.5.19.1. Test Principle
      • 4.5.19.2. Preparation
        • Driver Verification
        • Script Path
        • Script Usage
      • 4.5.19.3. Test Steps
        • View RTC Information
        • Read RTC Time
        • Set System Time
        • Set RTC Time
        • RTC Alarm Test
      • 4.5.19.4. Test Criteria
  • 4.6. System debugging method
    • 4.6.1. pstore & ramoops
      • 4.6.1.1. Introduction to pstore
      • 4.6.1.2. pstore Principle
      • 4.6.1.3. pstore Types
      • 4.6.1.4. Introduction to ramoops
      • 4.6.1.5. ramoops Usage
        • Enable ramoops in Kernel
        • Configure ramoops Reserved Memory
        • Trigger Kernel Panic in Kernel
        • Verify ramoops Functionality
    • 4.6.2. mem-dump Feature Guide
      • 4.6.2.1. Overview
        • Introduction
        • mem-dump Information
      • 4.6.2.2. X5 mem-dump Feature Introduction
        • Feature Highlights
        • Functional Principle
      • 4.6.2.3. mem-dump Configuration
        • Get panic-action
        • Configure panic-action
      • 4.6.2.4. mem-dump Usage
        • Configure panic-action
        • Perform mem-dump to emmc
      • 4.6.2.5. mem-dump Analysis Method
      • 4.6.2.6. Common Issues
        • panic-action not configured before crash
        • Does configuring panic-action affect reboot or cold boot?
    • 4.6.3. Using GDB to Debug Applications
      • 4.6.3.1. GDB Overview
      • 4.6.3.2. Main Features of GDB
      • 4.6.3.3. Common GDB Debugging Commands
      • 4.6.3.4. Introduction to Specific GDB Debugging Methods
        • Writing a Test Program
        • Compilation
        • GDB Debugging Process
        • Analyzing Core Dump Files with GDB
      • 4.6.3.5. Common Issues
      • 4.6.3.6. References
    • 4.6.4. Using Kdb/Kgdb to Debug the Kernel
      • 4.6.4.1. Overview of Kdb/Kgdb
      • 4.6.4.2. Introduction to Kdb/Kgdb Features
        • Introduction to Kdb Features
        • Introduction to Kgdb Features
        • Comparison Between Kdb and Kgdb
      • 4.6.4.3. Specific Usage Methods of Kdb/Kgdb
        • Enabling Kdb/Kgdb
        • Starting Kdb Debugging on the Board
        • Introduction to Kdb Debugging Commands
        • Remote Connection to Board for Kgdb Debugging
      • 4.6.4.4. Common Issues
        • Common Kdb Issues
        • Common Kgdb Issues
    • 4.6.5. DDR Digital eye diagram
      • 4.6.5.1. X5 DDR digital eye diagram tool instructions and results analysis
        • background
        • Tool usage instructions
        • DDR eye diagram analysis
        • Eye diagram evaluation criteria
        • Notes
  • 4.7. Common command usage methods
    • 4.7.1. Iozone
      • 4.7.1.1. Syntax Description
      • 4.7.1.2. Parameter Options Introduction
      • 4.7.1.3. Usage Examples
    • 4.7.2. iperf3
      • 4.7.2.1. Syntax Description
      • 4.7.2.2. Introduction to Common Options
      • 4.7.2.3. Test Result Analysis
      • 4.7.2.4. Usage Examples
    • 4.7.3. perf
      • 4.7.3.1. Syntax Description
      • 4.7.3.2. Parameter Options Description
      • 4.7.3.3. Command Options and Functional Descriptions
        • perf System Analysis
        • perf Event Types
        • perf Process Statistics
        • perf record - Collect Information
        • perf report - Analyze Results
        • Generate Flame Graph with perf
    • 4.7.4. sysinfopro
      • 4.7.4.1. Syntax Description
      • 4.7.4.2. Option Parameters Description
      • 4.7.4.3. Command Options and Their Functional Descriptions
        • Display All Information
        • Display Memory Information
        • Display Hardware Information
        • Display Operating System Version Information
        • Display Temperature and Frequency Information
        • Display Board Terminal Basic Information
        • Display HBRE Library Version Information
        • Display Currently Loaded Kernel Modules
        • Display Help Information
    • 4.7.5. devmem
      • 4.7.5.1. Syntax Description
      • 4.7.5.2. Parameter Options Description
      • 4.7.5.3. Command Options and Their Functional Descriptions
        • Reading Data from Physical Address
        • Writing Data to Physical Address
    • 4.7.6. hb_gpioinfo
      • 4.7.6.1. Syntax Description
      • 4.7.6.2. Parameter Options Description
      • 4.7.6.3. Command Options and Their Function Descriptions
        • Display Help Information
        • Display All GPIO Pin Information
        • Display Information for a Specific GPIO Chip
    • 4.7.7. hrut_boardid
      • 4.7.7.1. Syntax Description
      • 4.7.7.2. Option Arguments Description
      • 4.7.7.3. Command Options and Function Descriptions
        • Default Usage
        • Display Help Information
    • 4.7.8. hrut_bpuprofile
      • 4.7.8.1. Syntax Description
      • 4.7.8.2. Option Arguments Description
      • 4.7.8.3. Command Options and Their Functional Descriptions
        • Setting BPU Power
        • Setting BPU Clock
        • Getting BPU FC Time
        • Setting BPU Frequency
        • Setting BPU Utilization Display
        • Displaying Help Information
    • 4.7.9. hrut_ddr
      • 4.7.9.1. Syntax Description
      • 4.7.9.2. Option Descriptions
      • 4.7.9.3. Command Options and Their Functionalities
        • Display Help Information
        • Monitor DDR Bandwidth Across All Ports
        • Monitor DDR Bandwidth on a Specific Port
        • Display Detailed Information in Raw Data Format
        • Set Sampling Period
    • 4.7.10. hrut_ddr_freq
      • 4.7.10.1. Syntax Description
      • 4.7.10.2. Command Options and Their Functions
        • Default Usage
    • 4.7.11. hrut_resetreason
      • 4.7.11.1. Syntax Description
      • 4.7.11.2. Command Options and Function Descriptions
        • Default Usage
    • 4.7.12. hrut_sched_log_parse
      • 4.7.12.1. Syntax Description
      • 4.7.12.2. Parameter Options Description
      • 4.7.12.3. Command Options and Their Functional Descriptions
        • Usage Description
        • Parsing Scheduling Log Files
        • Parsing Console Log Files
        • Parsing Kernel Log Files
        • Display Help Information
    • 4.7.13. hrut_socuid
      • 4.7.13.1. Syntax Description
      • 4.7.13.2. Command Options and Their Functional Descriptions
        • Default Usage
    • 4.7.14. hrut_somstatus
      • 4.7.14.1. Syntax Description
      • 4.7.14.2. Option Arguments Description
      • 4.7.14.3. Command Options and Functional Descriptions
        • Default Usage
        • Display Multiple Status Readings
        • Set Interval Time Between Outputs
    • 4.7.15. hrut_switch_reason
      • 4.7.15.1. Syntax Description
      • 4.7.15.2. Parameter Options Description
      • 4.7.15.3. Command Options and Their Function Descriptions
        • Display the Reason for the Most Recent Abnormal Switch
        • Display Reasons for All Abnormal Switches
        • List of Abnormal Switch Reasons
    • 4.7.16. logcat
      • 4.7.16.1. Syntax Description
      • 4.7.16.2. Parameter Options Description
      • 4.7.16.3. Command Options and Their Function Descriptions
        • Default Usage
        • Display Logs of Specific Priority
        • Output Logs to File
        • Rotate Log Files
        • Clear Log Buffer
        • Get Log Buffer Size
        • Display Logs from Specific Buffer
    • 4.7.17. ota_tool
      • 4.7.17.1. Syntax Description
      • 4.7.17.2. Parameter Options Description
      • 4.7.17.3. Command Options and Their Functional Descriptions
        • Query Version Information
        • OTA Partition Management
        • OTA Firmware Update
        • OTA Status Check
  • 4.8. Approved Vendor List
    • 4.8.1. Introduction
    • 4.8.2. DDR Support List
      • 4.8.2.1. LPDDR4
      • 4.8.2.2. LPDDR4X
    • 4.8.3. eMMC Support List
    • 4.8.4. NAND Flash Support List
    • 4.8.5. Camera Sensor Support List
    • 4.8.6. Wi-Fi/Bluetooth Support List
    • 4.8.7. PHY Support List
    • 4.8.8. BT1120 To HDMI List
    • 4.8.9. Audio Codec Support List
    • 4.8.10. IMU Support List
    • 4.8.11. MIPI DSI Support List
    • 4.8.12. 4G Support List
• 5. Multimedia Development Guide
  • 5.1. System Overview
    • 5.1.1. Document Usage Guide
      • 5.1.1.1. Document Structure
      • 5.1.1.2. How to Use This Document
    • 5.1.2. General Overview
    • 5.1.3. Hardware Aspect
      • 5.1.3.1. Components
      • 5.1.3.2. Data Interaction
    • 5.1.4. Software Aspect
      • 5.1.4.1. Framework
      • 5.1.4.2. Data Interaction
  • 5.2. HBN Framework Description
    • 5.2.1. Overview
    • 5.2.2. Software Abstraction
    • 5.2.3. Vnode Connection Methods
      • 5.2.3.1. Output Channels
      • 5.2.3.2. Connection Methods
      • 5.2.3.3. Parameter Configuration
    • 5.2.4. API List
    • 5.2.5. API Call Flow
      • 5.2.5.1. Creation Flow
      • 5.2.5.2. Destruction Flow
    • 5.2.6. API Interface Description
      • 5.2.6.1. hbn_vnode_open
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.2. hbn_vnode_close
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.3. hbn_vnode_set_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.4. hbn_vnode_get_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.5. hbn_vnode_set_attr_ex
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.6. hbn_vnode_get_attr_ex
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.7. hbn_vnode_set_ochn_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.8. hbn_vnode_get_ochn_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.9. hbn_vnode_set_ochn_attr_ex
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.10. hbn_vnode_set_ichn_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.11. hbn_vnode_get_ichn_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.12. hbn_vnode_set_ichn_attr_ex
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.13. hbn_vnode_set_ochn_buf_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.14. hbn_vnode_start
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.15. hbn_vnode_stop
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.16. hbn_vnode_getframe
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.17. hbn_vnode_releaseframe
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.18. hbn_vnode_sendframe
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.19. hbn_vnode_sendframe_async
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.20. hbn_vnode_set_output_frame
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.21. hbn_vnode_get_output_frame
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.22. hbn_vflow_create
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.23. hbn_vflow_destroy
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.24. hbn_vflow_add_vnode
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.25. hbn_vflow_bind_vnode
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.26. hbn_vflow_unbind_vnode
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.27. hbn_vflow_start
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.28. hbn_vflow_stop
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.29. hbn_vflow_get_vnode_handle
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.30. hbn_vflow_create_cfg
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.2.6.31. hbn_vflow_get_version
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
    • 5.2.7. Data Structures
      • 5.2.7.1. Common Parameters
        • hbn_buf_alloc_attr_t
        • hbn_frame_info_t
        • hbn_vnode_image_t
        • hbn_version_t
      • 5.2.7.2. MIPI Parameters
        • mipi_config_t
        • mipi_host_cfg_t
      • 5.2.7.3. SIF Parameters
        • vin_attr_t
        • vin_node_attr_t
        • cim_attr_t
        • cim_func_desc_t
        • vin_attr_ex_t
        • dynamic_fps_t
        • vin_ochn_attr_t
        • vin_basic_attr_t
        • vin_pdaf_attr_t
        • vin_ichn_attr_t
        • vin_ochn_buff_attr_t
        • lpwm_attr_t
        • lpwm_chn_attr_t
      • 5.2.7.4. ISP Parameters
        • isp_cfg_t
        • isp_attr_t
        • isp_ichn_attr_t
        • isp_ochn_attr_t
      • 5.2.7.5. VSE Parameters
        • vse_ochn_type_e
        • vse_cfg_t
        • vse_attr_t
        • vse_ichn_attr_t
        • vse_ochn_attr_t
      • 5.2.7.6. GDC Parameters
        • gdc_attr_t
        • gdc_ichn_attr_t
        • gdc_ochn_attr_t
        • Notes
      • 5.2.7.7. N2D Parameters
        • n2d_command_t
        • n2d_config_t
    • 5.2.8. Return Value Description
  • 5.3. Multimedia System Debugging Guide
    • 5.3.1. Control Nodes
      • 5.3.1.1. tuning server
      • 5.3.1.2. cam-service
      • 5.3.1.3. libcam/libvpf
    • 5.3.2. Statistics Nodes
      • 5.3.2.1. VPU Module Debug Information
        • VENC Encoding
        • VDEC Decoding
      • 5.3.2.2. JPU Module Debug Information
        • JENC Encoding
        • JDEC Decoding
      • 5.3.2.3. Interrupt Statistics
      • 5.3.2.4. Frame Rate Information
      • 5.3.2.5. Timestamp Information
      • 5.3.2.6. Latency Information
      • 5.3.2.7. Frame Drop Information
      • 5.3.2.8. Driver Buffer Status
      • 5.3.2.9. VIO Path Information
      • 5.3.2.10. MIPI Interrupts
      • 5.3.2.11. MIPI Status Registers
      • 5.3.2.12. MIPI Interrupt Logging
  • 5.4. Memory Management - hbmem
    • 5.4.1. Module Description
      • 5.4.1.1. Memory Allocation
        • Memory Allocation Unit Description
        • Cache Operation Description
      • 5.4.1.2. Memory Sharing
      • 5.4.1.3. Memory Queue Management
      • 5.4.1.4. Memory Pool
      • 5.4.1.5. Shared Memory Pool
    • 5.4.2. Reference Examples
    • 5.4.3. API Reference
      • 5.4.3.1. Memory Allocation Interfaces
      • 5.4.3.2. Memory Sharing Interfaces
      • 5.4.3.3. Memory Queue Management Interfaces
      • 5.4.3.4. Memory Pool Interfaces
      • 5.4.3.5. Shared Memory Pool Interfaces
      • 5.4.3.6. General Information Get/Set Interfaces
      • 5.4.3.7. Compatibility Interfaces (Not recommended for new development)
    • 5.4.4. Interface Descriptions
      • 5.4.4.1. hb_mem_get_version
      • 5.4.4.2. hb_mem_module_open
      • 5.4.4.3. hb_mem_module_close
      • 5.4.4.4. hb_mem_alloc_com_buf
      • 5.4.4.5. hb_mem_get_com_buf
      • 5.4.4.6. hb_mem_alloc_graph_buf
      • 5.4.4.7. hb_mem_get_graph_buf
      • 5.4.4.8. hb_mem_free_buf
      • 5.4.4.9. hb_mem_invalidate_buf
      • 5.4.4.10. hb_mem_flush_buf
      • 5.4.4.11. hb_mem_is_valid_buf
      • 5.4.4.12. hb_mem_get_phys_addr
      • 5.4.4.13. hb_mem_get_buf_info
      • 5.4.4.14. hb_mem_invalidate_buf_with_vaddr
      • 5.4.4.15. hb_mem_flush_buf_with_vaddr
      • 5.4.4.16. hb_mem_get_com_buf_with_vaddr
      • 5.4.4.17. hb_mem_get_graph_buf_with_vaddr
      • 5.4.4.18. hb_mem_free_buf_with_vaddr
      • 5.4.4.19. hb_mem_import_com_buf
      • 5.4.4.20. hb_mem_import_graph_buf
      • 5.4.4.21. hb_mem_get_share_info
      • 5.4.4.22. hb_mem_get_share_info_with_vaddr
      • 5.4.4.23. hb_mem_wait_share_status
      • 5.4.4.24. hb_mem_wait_share_status_with_vaddr
      • 5.4.4.25. hb_mem_create_buf_queue
      • 5.4.4.26. hb_mem_destroy_buf_queue
      • 5.4.4.27. hb_mem_dequeue_buf
      • 5.4.4.28. hb_mem_queue_buf
      • 5.4.4.29. hb_mem_request_buf
      • 5.4.4.30. hb_mem_release_buf
      • 5.4.4.31. hb_mem_cancel_buf
      • 5.4.4.32. hb_mem_pool_create
      • 5.4.4.33. hb_mem_pool_destroy
      • 5.4.4.34. hb_mem_pool_alloc_buf
      • 5.4.4.35. hb_mem_pool_free_buf
      • 5.4.4.36. hb_mem_pool_get_info
      • 5.4.4.37. hb_mem_share_pool_create
      • 5.4.4.38. hb_mem_share_pool_destroy
      • 5.4.4.39. hb_mem_share_pool_alloc_buf
      • 5.4.4.40. hb_mem_share_pool_free_buf
      • 5.4.4.41. hb_mem_share_pool_get_info
      • 5.4.4.42. hb_mem_get_buf_type_with_vaddr
      • 5.4.4.43. hb_mem_get_buf_type_and_buf_with_vaddr
      • 5.4.4.44. hb_mem_get_buffer_process_info
      • 5.4.4.45. hb_mem_get_buffer_process_info_with_share_id
      • 5.4.4.46. hb_mem_get_consume_info
      • 5.4.4.47. hb_mem_get_consume_info_with_vaddr
      • 5.4.4.48. hb_mem_wait_consume_status
      • 5.4.4.49. hb_mem_wait_consume_status_with_vaddr
      • 5.4.4.50. hb_mem_inc_com_buf_consume_cnt
      • 5.4.4.51. hb_mem_inc_graph_buf_consume_cnt
      • 5.4.4.52. hb_mem_dec_consume_cnt
      • 5.4.4.53. hb_mem_dec_consume_cnt_with_vaddr
      • 5.4.4.54. hb_mem_import_com_buf_with_paddr
      • 5.4.4.55. hb_mem_dma_copy
      • 5.4.4.56. hb_mem_alloc_graph_buf_group
      • 5.4.4.57. hb_mem_import_graph_buf_group
      • 5.4.4.58. hb_mem_get_graph_buf_group
      • 5.4.4.59. hb_mem_get_graph_buf_group_with_vaddr
      • 5.4.4.60. hb_mem_inc_graph_buf_group_consume_cnt
      • 5.4.4.61. hb_mem_get_buf_and_type_with_vaddr
      • 5.4.4.62. hbmem_alloc
      • 5.4.4.63. hbmem_free
      • 5.4.4.64. hbmem_mmap
      • 5.4.4.65. hbmem_munmap
      • 5.4.4.66. hbmem_phyaddr
      • 5.4.4.67. hbmem_dmacpy
      • 5.4.4.68. hbmem_virtaddr
      • 5.4.4.69. hbmem_info
      • 5.4.4.70. hbmem_version
      • 5.4.4.71. hbmem_is_cacheable
      • 5.4.4.72. hbmem_cache_invalid
      • 5.4.4.73. hbmem_cache_clean
      • 5.4.4.74. hbmem_mmap_with_share_id
      • 5.4.4.75. hbmem_get_share_id
      • 5.4.4.76. hb_mem_inc_user_consume_cnt
      • 5.4.4.77. hb_mem_dec_user_consume_cnt
      • 5.4.4.78. hb_mem_inc_user_consume_cnt_with_vaddr
      • 5.4.4.79. hb_mem_dec_user_consume_cnt_with_vaddr
    • 5.4.5. Data Structures
      • 5.4.5.1. hb_mem_common_buf_t
      • 5.4.5.2. hb_mem_graphic_buf_t
      • 5.4.5.3. hb_mem_graphic_buf_group_t
      • 5.4.5.4. hb_mem_buf_queue_t
      • 5.4.5.5. hb_mem_pool_t
      • 5.4.5.6. hb_mem_share_pool_t
      • 5.4.5.7. hbmem Memory Allocation Attributes
      • 5.4.5.8. hbmem Image Formats
    • 5.4.6. hbmem Return Values
  • 5.5. Video Input - Camera
    • 5.5.1. Module Description
      • 5.5.1.1. Hardware block diagram
        • Main components
        • Key Features
      • 5.5.1.2. MIPI Basic Specifications
    • 5.5.2. Reference Examples
    • 5.5.3. API Reference
      • 5.5.3.1. hbn_camera_create
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.2. hbn_camera_destroy
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.3. hbn_camera_attach_to_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.4. hbn_camera_detach_from_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.5. hbn_camera_attach_to_deserial
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.6. hbn_camera_detach_from_deserial
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.7. hbn_camera_start
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.8. hbn_camera_stop
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.9. hbn_camera_reset
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.10. hbn_camera_change_fps
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.11. hbn_camera_read_register
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.12. hbn_camera_get_handle
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.13. hbn_camera_init_cfg
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.14. hbn_deserial_create
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.15. hbn_deserial_destroy
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.16. hbn_deserial_attach_to_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.17. hbn_deserial_detach_from_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.18. hbn_txser_create
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.19. hbn_txser_destroy
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.20. hbn_txser_attach_to_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.21. hbn_txser_detach_from_vin
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.5.3.22. hbn_camera_switch_scence
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
    • 5.5.4. Data Structures
    • 5.5.5. Return Code Description
  • 5.6. Video Input - VIN
    • 5.6.1. Module Description
      • 5.6.1.1. VIN Use Cases
      • 5.6.1.2. Scenario Recommendations
    • 5.6.2. Reference Examples
    • 5.6.3. API Reference
    • 5.6.4. Interface Descriptions
      • 5.6.4.1. hbn_vnode_open
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.2. hbn_vnode_close
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.3. hbn_vnode_set_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.4. hbn_vnode_set_ochn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.5. hbn_vnode_get_ochn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.6. hbn_vnode_set_ichn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.7. hbn_vnode_get_ichn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.8. hbn_vnode_set_ochn_buf_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.9. hbn_vnode_start
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.10. hbn_vnode_stop
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.11. hbn_vnode_getframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.12. hbn_vnode_sendframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.6.4.13. hbn_vnode_releaseframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
    • 5.6.5. Data Structures
      • 5.6.5.1. vin_attr_t
      • 5.6.5.2. vin_node_attr_t
      • 5.6.5.3. cim_attr_t
      • 5.6.5.4. cim_func_desc_t
      • 5.6.5.5. vin_attr_ex_t
      • 5.6.5.6. dynamic_fps_t
      • 5.6.5.7. vin_ochn_attr_t
      • 5.6.5.8. vin_basic_attr_t
      • 5.6.5.9. vin_ichn_attr_t
      • 5.6.5.10. vin_ochn_buff_attr_t
      • 5.6.5.11. lpwm_attr_t
      • 5.6.5.12. lpwm_chn_attr_t
    • 5.6.6. Return Value Description
  • 5.7. Image Quality - ISP
    • 5.7.1. Module Description
      • 5.7.1.1. Terminology Explanation
      • 5.7.1.2. Image Processing Mode Description
    • 5.7.2. Reference Examples
    • 5.7.3. API Reference
    • 5.7.4. Interface Description
      • 5.7.4.1. hbn_isp_set_module_control
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.2. hbn_isp_get_module_control
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.3. hbn_isp_set_exposure_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.4. hbn_isp_get_exposure_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.5. hbn_isp_set_hdr_exposure_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.6. hbn_isp_get_hdr_exposure_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.7. hbn_isp_set_awb_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.8. hbn_isp_get_awb_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.9. hbn_isp_get_awb_gain_by_temper
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.10. hbn_isp_set_ae_zone_weight_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.11. hbn_isp_get_ae_zone_weight_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Functional Description】
        • 【Notes】
        • 【Compatibility】Hardware: X5.
      • 5.7.4.12. hbn_isp_set_af_zone_weight_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.13. hbn_isp_get_af_zone_weight_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.14. hbn_isp_get_ae_statistics
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.15. hbn_isp_get_awb_statistics
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.16. hbn_isp_get_af_statistics
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.17. hbn_isp_set_exposure_table
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.18. hbn_isp_get_exposure_table
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.19. hbn_isp_set_exposure_roi
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.20. hbn_isp_get_exposure_roi
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.21. hbn_isp_get_lines_persecond
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.22. hbn_isp_set_2dnr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.23. hbn_isp_get_2dnr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.24. hbn_isp_set_3dnr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.25. hbn_isp_get_3dnr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.26. hbn_isp_get_lsc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.27. hbn_isp_set_lsc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.28. hbn_isp_set_awb_preference_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.29. hbn_isp_get_awb_preference_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.30. hbn_isp_get_wdr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.31. hbn_isp_set_wdr_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.32. hbn_isp_set_ccm_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.33. hbn_isp_get_ccm_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.34. hbn_isp_set_gc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.35. hbn_isp_get_gc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.36. hbn_isp_set_dmsc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.37. hbn_isp_get_dmsc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.38. hbn_isp_set_ee_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.39. hbn_isp_get_ee_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.40. hbn_isp_set_cproc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.41. hbn_isp_get_cproc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.42. hbn_isp_get_dpcc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.43. hbn_isp_set_dpcc_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.44. hbn_isp_set_pattern_attr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
      • 5.7.4.45. hbn_isp_cal_gain_by_temp
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
        • 【Compatibility】
    • 5.7.5. Data Structures
      • 5.7.5.1. hbn_isp_param_range_t
      • 5.7.5.2. hbn_isp_zone_weight_t
      • 5.7.5.3. hbn_windows_t
      • 5.7.5.4. hbn_isp_roi_t
      • 5.7.5.5. hbn_isp_exposure_auto_attr_t
      • 5.7.5.6. hbn_isp_exposure_manual_attr_t
      • 5.7.5.7. hbn_isp_exposure_version_e
      • 5.7.5.8. hbn_isp_auto_exposure_mode_e
      • 5.7.5.9. hbn_isp_exposure_attr_t
      • 5.7.5.10. hbn_isp_hdr_exposure_version_e
      • 5.7.5.11. hbn_isp_hdr_exposure_auto_attr_t
      • 5.7.5.12. hbn_isp_hdr_exposure_manual_attr_t
      • 5.7.5.13. hbn_isp_hdr_exposure_attr_t
      • 5.7.5.14. hbn_isp_awb_version_e
      • 5.7.5.15. hbn_isp_awb_gain_t
      • 5.7.5.16. hbn_isp_awb_auto_attr_t
      • 5.7.5.17. hbn_isp_awb_manual_attr_t
      • 5.7.5.18. hbn_isp_awb_attr_t
      • 5.7.5.19. hbn_isp_ae_zone_weight_attr_t
      • 5.7.5.20. hbn_isp_af_zone_weight_attr_t
      • 5.7.5.21. hbn_isp_exp_datatype_t
      • 5.7.5.22. hbn_isp_ae_statistics_t
      • 5.7.5.23. hbn_isp_awb_statistics_t
      • 5.7.5.24. hbn_isp_af_statistics_t
      • 5.7.5.25. hbn_isp_table_t
      • 5.7.5.26. hbn_isp_exposure_table_t
      • 5.7.5.27. hbn_isp_exposure_roi_t
      • 5.7.5.28. hbn_isp_2dnr_curve_t
      • 5.7.5.29. hbn_isp_2dnr_motion_config_t
      • 5.7.5.30. hbn_isp_2dnr_manual_attr_t
      • 5.7.5.31. hbn_isp_2dnr_auto_attr_t
      • 5.7.5.32. hbn_isp_2dnr_attr_t
      • 5.7.5.33. hbn_isp_3dnr_noise_model_t
      • 5.7.5.34. hbn_isp_3dnr_manual_attr_t
      • 5.7.5.35. hbn_isp_3dnr_range_dilate_t
      • 5.7.5.36. hbn_isp_3dnr_auto_attr_t
      • 5.7.5.37. hbn_isp_3dnr_attr_t
      • 5.7.5.38. hbn_isp_module_ctrl_t
      • 5.7.5.39. isp_af_zone_weight_func_a_attr_t
      • 5.7.5.40. hbn_lsc_auto_attr_t
      • 5.7.5.41. hbn_lsc_manual_attr_t
      • 5.7.5.42. hbn_isp_lsc_attr_t
      • 5.7.5.43. hbn_isp_dpcc_manual_attr_t
      • 5.7.5.44. hbn_isp_dpcc_auto_attr_t
      • 5.7.5.45. hbn_isp_dpcc_attr_t
      • 5.7.5.46. hbn_isp_wdr_attr_t
      • 5.7.5.47. hbn_isp_ccm_attr_t
      • 5.7.5.48. hbn_isp_gc_attr_t
      • 5.7.5.49. hbn_isp_dmsc_attr_t
      • 5.7.5.50. hbn_isp_ee_attr_t
      • 5.7.5.51. hbn_isp_cproc_attr_t
      • 5.7.5.52. hbn_isp_pattern_t
      • 5.7.5.53. hbn_isp_awb_preference_attr_t
      • 5.7.5.54. hbn_isp_awb_gray_preference_attr_t
    • 5.7.6. Return Value Description
  • 5.8. Video Processing - VSE
    • 5.8.1. Module Description
    • 5.8.2. Reference Example
    • 5.8.3. API Reference
    • 5.8.4. Interface Descriptions
      • 5.8.4.1. hbn_vnode_open
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.2. hbn_vnode_close
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.3. hbn_vnode_set_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.4. hbn_vnode_set_ochn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.5. hbn_vnode_get_ochn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.6. hbn_vnode_set_ichn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.7. hbn_vnode_get_ichn_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.8. hbn_vnode_set_ochn_buf_attr
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.9. hbn_vnode_start
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.10. hbn_vnode_stop
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.11. hbn_vnode_getframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.12. hbn_vnode_sendframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
      • 5.8.4.13. hbn_vnode_releaseframe
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
        • 【Notes】
        • 【Compatibility】
    • 5.8.5. Data Structures
      • 5.8.5.1. vse_cfg_t
      • 5.8.5.2. vse_attr_t
      • 5.8.5.3. vse_ichn_attr_t
      • 5.8.5.4. vse_ochn_attr_t
    • 5.8.6. Return Value Description
  • 5.9. Region Processing - OSD
    • 5.9.1. Module Description
      • 5.9.1.1. Basic Specifications
      • 5.9.1.2. Notes
    • 5.9.2. Reference Examples
    • 5.9.3. API Reference
      • 5.9.3.1. hbn_rgn_create()
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.2. hbn_rgn_destroy
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.3. hbn_rgn_getattr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.4. hbn_rgn_setattr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.5. hbn_rgn_setbitmap
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.6. hbn_rgn_attach_to_chn
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.7. hbn_rgn_detach_from_chn
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.8. hbn_rgn_set_displayattr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.9. hbn_rgn_get_displayattr
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.10. hbn_rgn_draw_word
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.11. hbn_rgn_draw_line
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.12. hbn_rgn_set_colormap
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.13. hbn_rgn_set_sta
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
      • 5.9.3.14. hbn_rgn_get_sta
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
        • 【Notes】
    • 5.9.4. Parameter Description
  • 5.10. Distortion correction - GDC
    • 5.10.1. GDC_Overview
      • 5.10.1.1. Overview
        • GDC Tool
        • GDC bin API
        • GDC API
      • 5.10.1.2. Usage Methods
        • Scenario Recommendations
    • 5.10.2. GDC API
      • 5.10.2.1. Module Description
        • Basic Specifications
      • 5.10.2.2. Reference Examples
      • 5.10.2.3. API Reference
      • 5.10.2.4. Interface Descriptions
        • hbn_vnode_open
        • hbn_vnode_close
        • hbn_vnode_set_attr
        • hbn_vnode_set_ochn_attr
        • hbn_vnode_get_ochn_attr
        • hbn_vnode_set_ichn_attr
        • hbn_vnode_get_ichn_attr
        • hbn_vnode_set_ochn_buf_attr
        • hbn_vnode_start
        • hbn_vnode_stop
        • hbn_vnode_getframe
        • hbn_vnode_sendframe
        • hbn_vnode_releaseframe
      • 5.10.2.5. Data Structures
        • gdc_attr_t
        • gdc_ichn_attr_t
        • gdc_ochn_attr_t
      • 5.10.2.6. Return Value Description
    • 5.10.3. GDC Bin API
      • 5.10.3.1. Module Description
        • Operation Flow
      • 5.10.3.2. Reference Examples
      • 5.10.3.3. API Reference
        • hbn_gen_gdc_bin
        • hbn_gen_gdc_bin_json
        • hbn_free_gdc_bin
      • 5.10.3.4. Data Structures
    • 5.10.4. GDC Tool
      • 5.10.4.1. Introduction to GDC Tool
        • Launching GDC Tool
        • Transformation Modes in GDC Tool
        • Affine
        • Equisolid
        • Equisolid (cylinder)
        • Equidistant
        • Custom
        • Keystone+dewarping
        • Transformation Mode Parameter Description
  • 5.11. Video Output - Display
    • 5.11.1. Module Description
      • 5.11.1.1. Hardware Block Diagram
      • 5.11.1.2. Specifications
        • DC8000Nano
        • BT1120
        • MIPI DSI
        • MIPI DSI TX
      • 5.11.1.3. Software Description
        • Overview of the DRM Framework
        • Mapping Between DRM Debug Information and Hardware
        • Quick DRM Experience
    • 5.11.2. Reference Examples
    • 5.11.3. API Reference
    • 5.11.4. Interface Description
    • 5.11.5. Data Structures
    • 5.11.6. Return Value Description
  • 5.12. Audio and Video Codec - Codec
    • 5.12.1. Module Description
      • 5.12.1.1. Specifications
        • H.265/HEVC Encoder
        • H.264/AVC Encoder
        • H.265/HEVC Decoder
        • H.264/AVC Decoder
        • JPEG and MJPEG Encoder/Decoder
        • Audio Codec
      • 5.12.1.2. Usage Instructions
        • Input and Output Buffer Management
        • GOP
        • Long-term Reference Frames
        • Intra Refresh
        • ROI
        • Frame Skip Setting
    • 5.12.2. Reference Examples
    • 5.12.3. API Reference
      • 5.12.3.1. MediaCodec API
      • 5.12.3.2. MediaMuxer API
    • 5.12.4. Interface Descriptions
      • 5.12.4.1. hb_mm_mc_get_descriptor
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.2. hb_mm_mc_get_default_context
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.3. hb_mm_mc_initialize
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.4. hb_mm_mc_set_callback
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.5. hb_mm_mc_set_input_buffer_listener
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.6. hb_mm_mc_configure
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.7. hb_mm_mc_start
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.8. hb_mm_mc_stop
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.9. hb_mm_mc_pause
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.10. hb_mm_mc_flush
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.11. hb_mm_mc_release
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.12. hb_mm_mc_get_state
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.13. hb_mm_mc_get_status
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.14. hb_mm_mc_queue_input_buffer
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.15. hb_mm_mc_dequeue_input_buffer
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.16. hb_mm_mc_queue_output_buffer
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.17. hb_mm_mc_dequeue_output_buffer
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.18. hb_mm_mc_get_longterm_ref_mode
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.19. hb_mm_mc_set_longterm_ref_mode
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.20. hb_mm_mc_get_intra_refresh_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.21. hb_mm_mc_set_intra_refresh_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.22. hb_mm_mc_get_rate_control_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.23. hb_mm_mc_set_rate_control_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.24. hb_mm_mc_get_deblk_filter_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.25. hb_mm_mc_set_deblk_filter_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.26. hb_mm_mc_get_sao_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.27. hb_mm_mc_set_sao_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.28. hb_mm_mc_get_entropy_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.29. hb_mm_mc_set_entropy_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.30. hb_mm_mc_get_vui_timing_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.31. hb_mm_mc_set_vui_timing_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.32. hb_mm_mc_get_slice_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.33. hb_mm_mc_set_slice_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.34. hb_mm_mc_insert_user_data
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.35. hb_mm_mc_request_idr_frame
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.36. hb_mm_mc_skip_pic
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.37. hb_mm_mc_get_smart_bg_enc_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.38. hb_mm_mc_set_smart_bg_enc_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.39. hb_mm_mc_get_pred_unit_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.40. hb_mm_mc_set_pred_unit_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.41. hb_mm_mc_get_transform_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.42. hb_mm_mc_set_transform_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.43. hb_mm_mc_get_roi_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.44. hb_mm_mc_set_roi_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.45. hb_mm_mc_get_mode_decision_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.46. hb_mm_mc_set_mode_decision_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.47. hb_mm_mc_get_user_data
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.48. hb_mm_mc_release_user_data
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.49. hb_mm_mc_get_mjpeg_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.50. hb_mm_mc_set_mjpeg_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.51. hb_mm_mc_get_jpeg_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.52. hb_mm_mc_set_jpeg_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.53. hb_mm_mc_get_fd
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.54. hb_mm_mc_close_fd
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.55. hb_mm_mc_get_vui_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.56. hb_mm_mc_set_vui_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.57. hb_mm_mc_get_3dnr_enc_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.58. hb_mm_mc_set_3dnr_enc_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.59. hb_mm_mc_request_idr_header
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.60. hb_mm_mc_enable_idr_frame
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.61. hb_mm_mc_register_audio_encoder
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.62. hb_mm_mc_unregister_audio_encoder
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.63. hb_mm_mc_register_audio_decoder
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.64. hb_mm_mc_unregister_audio_decoder
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.65. hb_mm_mc_get_explicit_header_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.66. hb_mm_mc_set_explicit_header_config
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.67. hb_mm_mc_get_roi_avg_qp
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.4.68. hb_mm_mc_set_roi_avg_qp
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
    • 5.12.5. MediaMuxer Interface Description
      • 5.12.5.1. hb_mm_mx_get_default_context
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.2. hb_mm_mx_initialize
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.3. hb_mm_mx_add_stream
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.4. hb_mm_mx_start
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.5. hb_mm_mx_stop
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.6. hb_mm_mx_write_stream
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.7. hb_mm_mx_get_state
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.8. hb_mm_mx_probe_stream
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
      • 5.12.5.9. hb_mm_mx_repair_stream
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Return Value】
        • 【Function Description】
    • 5.12.6. Data Structures
      • 5.12.6.1. media_codec_state_t
      • 5.12.6.2. media_codec_id_t
      • 5.12.6.3. mc_video_rate_control_mode_t
      • 5.12.6.4. mc_h265_cbr_params_t
      • 5.12.6.5. mc_h265_vbr_params_t
      • 5.12.6.6. mc_h265_avbr_params_t
      • 5.12.6.7. mc_h265_fix_qp_params_t
      • 5.12.6.8. mc_h265_qp_map_params_t
      • 5.12.6.9. mc_video_longterm_ref_mode_t
      • 5.12.6.10. mc_video_intra_refresh_params_t
      • 5.12.6.11. mc_mjpeg_fix_qp_params_t
      • 5.12.6.12. mc_video_custom_gop_pic_params_t
      • 5.12.6.13. mc_inter_status_t
      • 5.12.6.14. media_codec_context_t
      • 5.12.6.15. mc_video_codec_enc_params_t
      • 5.12.6.16. mc_video_codec_dec_params_t
      • 5.12.6.17. mc_audio_codec_enc_params_t
      • 5.12.6.18. mc_audio_codec_dec_params_t
      • 5.12.6.19. media_muxer_state_t
      • 5.12.6.20. mx_audio_stream_input_params_t
      • 5.12.6.21. mx_video_stream_input_params_t
      • 5.12.6.22. mx_stream_params_t
      • 5.12.6.23. mx_stream_t
      • 5.12.6.24. media_muxer_context_t
    • 5.12.7. Return Value Description
  • 5.13. 3D Graphics Processing - 3D GPU
    • 5.13.1. Module Description
      • 5.13.1.1. Framework Description
      • 5.13.1.2. Common Function Descriptions
      • 5.13.1.3. Application Scenarios
      • 5.13.1.4. Basic Specifications
    • 5.13.2. Reference Examples
    • 5.13.3. API Reference
      • 5.13.3.1. Header File Description
      • 5.13.3.2. Dynamic Library Description
  • 5.14. 2D Graphics Processing - 2D GPU
    • 5.14.1. Module Description
      • 5.14.1.1. Basic Specifications
      • 5.14.1.2. Supported Formats
      • 5.14.1.3. Alignment Requirements
        • Number of Planes
        • Bits Per Pixel Per Plane (BPP)
        • Horizontal Pixel Width (aWidthPixel)
        • Vertical Pixel Height (aHeightPixel)
        • Row Alignment Within Plane (aStrideByte)
        • Address Alignment Per Plane (aAddressByte)
    • 5.14.2. Reference Examples
    • 5.14.3. API Reference
    • 5.14.4. API Interface Descriptions
      • 5.14.4.1. n2d_open
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.2. n2d_close
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.3. n2d_commit
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.4. n2d_commit_ex
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.5. n2d_allocate
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.6. n2d_free
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.7. n2d_map
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.8. n2d_unmap
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.9. n2d_is_feature_support
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.10. n2d_blit
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.11. n2d_filterblit
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.12. n2d_multisource_blit
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
      • 5.14.4.13. n2d_fill
        • 【Function Declaration】
        • 【Parameter Description】
        • 【Function Description】
        • 【Return Value】
      • 5.14.4.14. n2d_set
        • 【Function Declaration】
        • 【Function Description】
        • 【Parameter Description】
        • 【Return Value】
    • 5.14.5. Data Structures
      • 5.14.5.1. Type Definitions
      • 5.14.5.2. Enumerations
        • n2d_error_t
        • n2d_blend_t
        • n2d_buffer_format_t
        • n2d_cache_mode_t
        • n2d_core_id_t
        • n2d_csc_mode_t
        • n2d_feature_t
        • n2d_orientation_t
        • n2d_tiling_t
        • n2d_tile_status_config_t
        • n2d_pixel_color_multiply_mode_t
        • n2d_global_color_multiply_mode_t
        • n2d_filter_type_t
        • n2d_state_value_t
        • n2d_state_type_t
        • n2d_source_type_t
      • 5.14.5.3. Structures
        • n2d_point_t
        • n2d_rectangle_t
        • n2d_csc_config_t
        • n2d_dither_info_t
        • n2d_multisrc_dst_rect_config_t
        • n2d_rop_config_t
        • n2d_multiply_mode_config_t
        • n2d_kernel_size_config_t
        • n2d_state_config_t
        • n2d_buffer_t
    • 5.14.6. Return Value Description
      • 5.14.6.1. n2d_error_t
  • 5.15. ISP - OTP Function
    • 5.15.1. Function Description
    • 5.15.2. Pipeline Introduction
    • 5.15.3. LSC OTP
      • 5.15.3.1. Preparation
        • Golden Module Selection
        • Golden Module ISP Tuning
      • 5.15.3.2. Data Calibration
        • Calibration Environment
        • Calibration Process
      • 5.15.3.3. OTP Data Generation Tool
        • No Compilation Required
        • Compilation Required
      • 5.15.3.4. Generated Data Results
      • 5.15.3.5. Sensor Driver Example Code
    • 5.15.4. AWB OTP
      • 5.15.4.1. Preparation
        • Golden Module Selection
        • Golden Module ISP Tuning
      • 5.15.4.2. Data Calibration
        • Calibration Environment
        • Calibration Process
      • 5.15.4.3. OTP Data Generation Tool
        • Usage
        • Parameter Description
      • 5.15.4.4. Generated Data Results
      • 5.15.4.5. Sensor Driver Example Code
  • 5.16. ISP - AF Statistics Module
    • 5.16.1. Function Description
    • 5.16.2. Pipeline Introduction
    • 5.16.3. AFM Statistics Module Interface
    • 5.16.4. Input Image Cropping
    • 5.16.5. Input Image Preprocessing
    • 5.16.6. Output Data Post-processing
    • 5.16.7. Data Fusion
    • 5.16.8. Point Light Source Processing
    • 5.16.9. Data Shift
    • 5.16.10. IIR Parameter Generation Steps Reference
    • 5.16.11. Recommended Parameter Configuration
    • 5.16.12. Debugging Suggestions
  • 5.17. Image quality debugging guide
    • 5.17.1. Overview
    • 5.17.2. Camera Debugging Guide
      • 5.17.2.1. Scope
      • 5.17.2.2. Document Composition
      • 5.17.2.3. Preparation
      • 5.17.2.4. Steps to Bring Up a New Sensor
      • 5.17.2.5. Modify Platform Device Tree (dts)
        • 1. Sensor GPIO Configuration
        • 2. Sensor I2C Configuration
        • 3. Sensor MCLK Configuration
        • 4. Sensor LPWM Configuration
        • 5. DTS Verification
      • 5.17.2.6. Add Sensor Driver Code
        • Driver Location and Naming
        • sensor_module_t Interface
        • Key Concepts
        • Gain LUT Table Generation Method
        • Driver Deployment Process
      • 5.17.2.7. Add Camera App Code
        • vp_sensor_config_t Configuration Items
      • 5.17.2.8. Add Default Camera ISP Tuning Library
      • 5.17.2.9. Board-Side Sample Program Execution
      • 5.17.2.10. ISP Image Debug Preview and 2A Verification
      • 5.17.2.11. Summary
    • 5.17.3. OmniVision Sensor Bring-Up
      • 5.17.3.1. DTS Configuration
      • 5.17.3.2. Driver
        • sensor_module_t and File Naming
        • power_on
        • power_off
        • init
        • deinit
        • start
        • stop
        • ISP Configuration and linear_data_init
        • aexp_line_control
        • aexp_gain_control:
        • userspace_control
        • Driver Deployment
      • 5.17.3.3. App Configuration
        • vp_sensor configuration file: linear_3840x2160_raw10_30fps_2lane.c
      • 5.17.3.4. Program Verification
    • 5.17.4. SmartSens Sensor Bring-Up
      • 5.17.4.1. DTS Configuration
      • 5.17.4.2. Driver
        • sensor_module_t and File Naming
        • power_on
        • power_off
        • init
        • deinit
        • start
        • stop
        • ISP Configuration and linear_data_init
        • aexp_gain_control
        • aexp_line_control
        • userspace_control
        • Driver Deployment
      • 5.17.4.3. App Configuration
        • vp_sensor configuration file: linear_1088x1280_raw10_60fps_1lane.c
      • 5.17.4.4. Program Verification
    • 5.17.5. Sony Sensor Bring-Up
      • 5.17.5.1. DTS Configuration
      • 5.17.5.2. Driver
        • sensor_module_t and File Naming
        • power_on
        • power_off
        • init
        • deinit
        • start
        • stop
        • ISP Configuration and linear_data_init
        • aexp_gain_control
        • aexp_line_control
        • userspace_control
        • Driver Deployment
      • 5.17.5.3. App Configuration
        • vp_sensor configuration file: linear_3840x2160_raw10_30fps_4lane.c
      • 5.17.5.4. Program Verification
    • 5.17.6. HDR Sensor Bring-Up
      • 5.17.6.1. dts Configuration
      • 5.17.6.2. Driver
        • sensor_module_t and File Naming
        • power_on
        • power_off
        • init
        • deinit
        • start
        • stop
        • ISP Configuration and dol2_data_init
        • aexp_gain_control
        • aexp_line_control
        • userspace_control
        • Driver Deployment
      • 5.17.6.3. App Configuration
        • vp_sensor Configuration File: dol2_3840x2160_raw10_30fps_4lane.c
      • 5.17.6.4. Program Verification
    • 5.17.7. Camera Debugging FAQ
      • 5.17.7.1. FAQ
        • Table of Contents
      • 5.17.7.2. I2C
        • I2C Communication Failure
      • 5.17.7.3. MCLK
        • How to modify MCLK drive current
        • Check MCLK frequency and enable status
      • 5.17.7.4. MIPI
        • Unable to enter HS, MIPI start error
        • MIPI error
        • MIPI parameter determination
        • How to modify MIPI drive current
        • How to check HOST(RX) device current running status and configuration
        • How to check HOST(RX) device registers
        • How to configure multiple VC sensor modules on the same HOST RX
        • How to enable MIPI driver logging
      • 5.17.7.5. Sensor
        • Sensor library check or load error
        • Sensor slave mode configuration
        • How to configure a YUV sensor?
      • 5.17.7.6. Image
        • Dumped image has vertical stripe artifacts
      • 5.17.7.7. Gain index and gain ratio lookup table
      • 5.17.7.8. VTunerClient
        • Connecting VTunerClient
        • How to use VTunerClient to verify 2A
    • 5.17.8. ISP Image effect debugging guide
      • 5.17.8.1. Revision History
      • 5.17.8.2. X5 ISP Introduction
        • Overview
        • ISP Pipeline
      • 5.17.8.3. ISP Tuning Overview
        • Tuning Procedure
        • System Requirement for ISP Tuning
      • 5.17.8.4. ISP Tuning Modules
        • Auto-Exposure (AE)
        • Auto-White Balance (AWB)
        • High Dynamic Range (DOL2)
        • Compand
        • Black Level Subtraction
        • RGB Infrared Radiation
        • Lens Shading Correction
        • Digital Gain
        • WDR
        • Green Equalization (GE)
        • Defect Pixel Cluster Correction (DPCC)
        • 2DNR
        • 3DNR
        • Demosaic
        • Color Correction Matrix (CCM)
        • Gamma Correction
        • Edge Enhancement
        • Color Processing
        • Color Noise Reduction (CNR)
        • Auto Focus (AF)
    • 5.17.9. Calibration tool Tool Guide
      • 5.17.9.1. Revision History
      • 5.17.9.2. X5 ISP Calibration Tool Overview
        • Composition of the ISP Calibration Tool
        • Operating System Compatibility
      • 5.17.9.3. System Requirements
        • Compatible IP
        • Software Requirements
      • 5.17.9.4. Installation and Launch
        • Calibration Tool Installation and Launch
      • 5.17.9.5. Main Calibration Workflow
      • 5.17.9.6. Black Level Correction
        • Capturing Raw Images for Black Level Calibration
        • Using the Black Level Correction Tool
        • Load Data
        • Curve
        • Preprocessing
      • 5.17.9.7. Lens Shading Correction Tool
        • Capturing Raw Images for Lens Shading Correction
        • Using the Lens Shading Correction Tool
        • Load Image
        • RGB Pattern Selection
        • (Optional) CCT
        • Inherit BLC Basic Information
        • Correction Method
        • Offset Subtraction
        • Knot Positions
        • Bilinear Spline Fitting
        • Maximum Compensation Ratio
        • Light Fall-Off
        • Color Shading and Luma&Color Shading
        • Start Option
        • Apply lsc to images
        • Accuracy in Rtl
        • Open Image in Window
        • Save Image to File
      • 5.17.9.8. Color Calibration
        • Color calibration -original image shooting
        • Use the color calibration tool
        • load
        • LSC
        • (optional) Inherit LSC information
        • Anchor selection
        • Function
        • Calibration
        • Saving Parameters
        • Save Image Menu
      • 5.17.9.9. Auto White Balance Tool
        • Capturing Raw Images for Auto White Balance
        • Using the Auto White Balance Tool
        • (AWB V1) Selecting Light Sources for Proper AWB Operation
        • (AWB V1) Open Sensor Spectral Sensitivities
        • (AWB V1) Define Illumination Files
        • (AWB V1) AWB V1 Calibration
        • Saving Calibration Data
        • Opening Existing Calibration Data
        • (AWB V2) AWB V2+ Calibration
        • Adjusting tau1 and tau2 Values
      • 5.17.9.10. Noise Calibration Tool
        • Capturing Raw Images for Noise Calibration
        • Using the Noise Calibration Tool
      • 5.17.9.11. Chromatic Aberration Correction Tool
        • Capturing Raw Images for Chromatic Aberration Correction
        • Using the Chromatic Aberration Correction Tool
        • Menu Bar
        • Block Selection
        • Color Processing Control
        • Processed Image Display
        • Test Images
      • 5.17.9.12. Generate Default Calibration Parameter Files in XML
        • Defect Pixel Color Correction
        • Auto Exposure Calibration
        • HDR/Native HDR
        • Photo Response Linearity
      • 5.17.9.13. Supplementary Tools
        • Color Correction Synthesizer Tool
    • 5.17.10. VtunerClient Tool Guide
      • 5.17.10.1. Revision History
      • 5.17.10.2. X5 ISP Introduction
        • Introduction to ISP PQ Tuning Tools
        • Operating System Compatibility
        • Client-Server Connection Protocol
        • Software Distribution Package
      • 5.17.10.3. Tuning Server
        • Setting Up Tuning Server
        • Running Tuning Server
      • 5.17.10.4. VTunerClient
        • Installation and Launch
        • Debugging Workspace
        • Tuning Solution
        • Custom Configuration
      • 5.17.10.5. Appendix A
    • 5.17.11. hbplayer and tuning_tool Usage Guide
      • 5.17.11.1. hbplayer
        • hbplayer Installation and Configuration
        • hbplayer Main Interface
      • 5.17.11.2. tuning_tool
        • Running Method
        • Features
• 6. Quantitative toolchain development guide
  • 6.1. Introduction
    • 6.1.1. Usage Notes
      • 6.1.1.1. Floating-Point Model (FP32) Notes
      • 6.1.1.2. Model Operator List Description
  • 6.2. Getting Started Guide
    • 6.2.1. Overview
    • 6.2.2. Environment Setup
      • 6.2.2.1. Hardware Requirements
      • 6.2.2.2. Development Machine Deployment
    • 6.2.3. Quick Start
      • 6.2.3.1. Development Environment Preparation
      • 6.2.3.2. Model Preparation
      • 6.2.3.3. Model Verification
      • 6.2.3.4. Model Conversion
      • 6.2.3.5. On-Board Model Execution
  • 6.3. Advanced Guide
    • 6.3.1. Environment Installation
      • 6.3.1.1. Instructions for Using Delivered Packages
        • Source Code Directory Structure of the Sample Package
      • 6.3.1.2. Development Machine Deployment
        • Development Machine Preparation
        • Using Docker Environment
      • 6.3.1.3. Board Deployment
      • 6.3.1.4. Version Management Tool Usage Instructions
        • ddk_vcs list
        • ddk_vcs install
        • ddk_vcs uninstall
        • ddk_vcs patch
        • ddk_vcs show
    • 6.3.2. PTQ Principle and Step-by-Step Guide
      • 6.3.2.1. Introduction
      • 6.3.2.2. Model Preparation
      • 6.3.2.3. Model Verification
        • Using the hb_mapper checker Tool to Verify Models
        • Handling Verification Exceptions
        • Interpreting Verification Results
        • Optimization Guidance from Verification Results
      • 6.3.2.4. Model Conversion
        • Preparing Calibration Data
        • Using the hb_mapper makertbin Tool for Model Conversion
        • Model Conversion YAML Configuration Parameters
        • Interpretation internal process
        • Interpretation of conversion results
        • Interpretation of Conversion Outputs
      • 6.3.2.5. Model Performance Analysis
        • Performance Evaluation on Development Machine
        • Performance Measurement on Development Board
        • Model Performance Optimization
      • 6.3.2.6. Model Accuracy Analysis
        • Accuracy Analysis
        • Accuracy Optimization
      • 6.3.2.7. Improving Model Accuracy Using QAT (Quantization-Aware Training)
      • 6.3.2.8. Other Tool Usage Instructions
        • hb_mapper infer Tool
        • hb_perf Tool
        • hb_pack Tool
        • hb_model_info Tool
        • hb_model_modifier Tool
        • hb_verifier Tool
        • hb_eval_preprocess Tool
        • HB_ONNXRuntime Inference Library
    • 6.3.3. Model Operator Support List
      • 6.3.3.1. Usage Limitations
      • 6.3.3.2. X5 Supported Caffe Operators
      • 6.3.3.3. X5 Supported ONNX Operators
    • 6.3.4. Model board running application development instructions
      • 6.3.4.1. Model Inference DNN API usage example description
        • Overview
        • Environment Construction
        • Example usage
        • Auxiliary Tools and Common Operations
      • 6.3.4.2. Public Model Performance and Accuracy Evaluation Guide
        • Introduction
        • Release Package Description
        • Environment Setup
        • Evaluation Example Usage Guide
        • Model Integration
        • Auxiliary Tools and Common Operations
      • 6.3.4.3. On-Board Model Analysis Tool Description
        • Overview
        • hrt_model_exec Tool Usage Instructions
        • hrt_bin_dump Tool Usage Guide
    • 6.3.5. Model Inference Interface Description
      • 6.3.5.1. Model Inference Library Version Information Retrieval API
        • hbDNNGetVersion()
      • 6.3.5.2. Model Loading/Release API
        • hbDNNInitializeFromFiles()
        • hbDNNInitializeFromDDR()
        • hbDNNRelease()
      • 6.3.5.3. Model Information Retrieval API
        • hbDNNGetModelNameList()
        • hbDNNGetModelHandle()
        • hbDNNGetInputCount()
        • hbDNNGetInputName()
        • hbDNNGetInputTensorProperties()
        • hbDNNGetOutputCount()
        • hbDNNGetOutputName()
        • hbDNNGetOutputTensorProperties()
      • 6.3.5.4. Model Inference API
        • hbDNNInfer()
        • hbDNNRoiInfer()
        • hbDNNWaitTaskDone()
        • hbDNNReleaseTask()
      • 6.3.5.5. Model Memory Operation API
        • hbSysAllocMem()
        • hbSysAllocCachedMem()
        • hbSysFlushMem()
        • hbSysFreeMem()
        • hbSysWriteMem()
        • hbSysReadMem()
        • hbSysRegisterMem()
        • hbSysUnregisterMem()
      • 6.3.5.6. Data Types and Data Structures
        • Version Information
        • Model-related Types
        • System-related Types
        • Preprocessing Classes
      • 6.3.5.7. Data Layout and Alignment Rules
        • Data Layout
        • BPU Alignment Restrictions
        • Introduction to NV12
      • 6.3.5.8. Model Inference DEBUG Methods
        • Error Codes
        • Configuration Information
        • Notes on Using Simulator on Development Machine
  • 6.4. Delve deeper
    • 6.4.1. Environment Dependencies
    • 6.4.2. Quick Start
      • 6.4.2.1. Basic Workflow
      • 6.4.2.2. Obtain the Floating-Point Model
      • 6.4.2.3. Calibration
      • 6.4.2.4. Quantization Aware Training
      • 6.4.2.5. Convert to Fixed-Point Model
      • 6.4.2.6. Model Deployment
    • 6.4.3. Development Guide
      • 6.4.3.1. Requirements for Floating-Point Models
        • symbolic_trace
        • Partial Operator Support
        • Building Quantization-Friendly Models
      • 6.4.3.2. Detailed Explanation of qconfig
        • What is qconfig?
        • How to Obtain qconfig
        • How to Set qconfig
        • qconfig Templates
      • 6.4.3.3. Calibration Guide
        • Procedure and Example
        • Introduction to Common Algorithms
        • Parameter Tuning Tips
        • Observer Parameter Documentation
      • 6.4.3.4. Quantization-Aware Training Guide
        • Workflow and Example
        • Pseudo-Quantization Operators
      • 6.4.3.5. Heterogeneous Model Guide
        • Introduction to Heterogeneous Models
        • Workflow
        • Operator Limitations
        • Main Interface Parameters
        • Workflow and Example
      • 6.4.3.6. Guide to Precision Tuning Tools
        • Quick Start
        • API Reference
      • 6.4.3.7. Cross-Device Inference Instructions for Quantized Deployment of PT Models
        • PT model execution device differs from tracing device
        • Multi-GPU Parallel Inference
      • 6.4.3.8. Common Issues
        • Import Errors
        • Unable to properly prepare_calibration/qat
        • Forward fails after prepare_qat
        • Compilation Error
        • Quantization Accuracy Anomalies
        • Error when loading pt file using torch.jit.load
      • 6.4.3.9. Common Usage Misconceptions
        • Configuration Errors
        • Methodological Errors
        • Network Structure Errors
        • Operator-Level Errors
        • Model-Level Errors
    • 6.4.4. In-Depth Exploration
      • 6.4.4.1. FX Quantization Principle Introduction
        • Quantization Workflow
      • 6.4.4.2. RGB888 Data Deployment
        • Scenario
        • Introduction to YUV Format
        • Preprocessing RGB Input During Training
        • Real-Time Conversion of YUV Input During Inference
      • 6.4.4.3. Model Segmented Deployment
        • Scenario
        • Method
      • 6.4.4.4. Operator Fusion
        • BN Absorption
        • Fusion of Add and ReLU(6)
        • Implementation Principle
        • Supported Fusion Operators
      • 6.4.4.5. Adaround (Experimental Feature)
        • Basic Principle
        • Interface Definition
        • Usage
      • 6.4.4.6. Automatic Calibration (Experimental Feature)
        • Basic Principle
        • Interface Definition
        • Usage
    • 6.4.5. API Manual
      • 6.4.5.1. March
      • 6.4.5.2. qconfig
        • Example of qconfig Definition
      • 6.4.5.3. Fake Quantization Operators
      • 6.4.5.4. QAT
      • 6.4.5.5. ONNX
      • 6.4.5.6. TorchScript Model Saving and Loading
      • 6.4.5.7. Horizon Operators
      • 6.4.5.8. Model Compilation
    • 6.4.6. Appendix
      • 6.4.6.1. Eager Mode
        • Differences from FX Mode
        • Workflow
      • 6.4.6.2. Supported Public Operators
        • General Notes
        • torch function class
        • torch.nn.functional function class
        • torch.nn Module class
        • torch.quantization Module Classes
        • torch.Tensor Methods
        • torchvision Classes
• 7. FAQ
  • 7.1. Environment Configuration
    • 7.1.1. How to Check Software Version Information of the Current System
    • 7.1.2. How to Set U-Boot bootargs
    • 7.1.3. Why Can a Program Run Manually but Not Automatically via /etc/init.d?
  • 7.2. System Software
    • 7.2.1. How to Check System Temperature, CPU, and BPU Frequency Statistics
    • 7.2.2. How to Read Chip UID
    • 7.2.3. How to Check Supported BPU Frequencies
    • 7.2.4. How to Check CPU Scheduling Mode
    • 7.2.5. How to Check Supported and Current CPU Frequencies
    • 7.2.6. How to Check CPU Throttling Temperature
    • 7.2.7. How to Disable a CPU Core
    • 7.2.8. Method to Bind Interrupts to CPU Cores
    • 7.2.9. eMMC Flasher Files
    • 7.2.10. How to View and Modify Chip Registers
    • 7.2.11. I2C Command Usage
    • 7.2.12. Enhancing Drive Strength (Using I2C4 as Example)
    • 7.2.13. Does the Kernel Support PREEMPT_RT Patch?
    • 7.2.14. Can the Root Filesystem Be Customized?
    • 7.2.15. Is Digital Audio Interface (Audio PDM) Supported?
    • 7.2.16. Why Can’t the System Boot After Flashing Miniboot via Fastboot?
    • 7.2.17. Internal Compiler Error: Illegal Instruction During SDK Compilation
    • 7.2.18. Why Are My Changes Not Included in hbre.img After Compiling hbre Module?
    • 7.2.19. Warning: “You Are Leaving 9 Commits Behind” When Building Root Filesystem with Buildroot
    • 7.2.20. LD_LIBRARY_PATH Error When Building Root Filesystem with Buildroot
    • 7.2.21. “mount not found” Error When Building System Root Filesystem with Buildroot
    • 7.2.22. utils_funcs.sh File Not Found When Running bd.sh lunch
    • 7.2.23. Compilation Shortcut Commands Fail in ZSH Shell Environment
    • 7.2.24. Can I Avoid Flashing the Full Image If Only Modifying Kernel dts?
    • 7.2.25. How to Include a New Code Directory in App Compilation
  • 7.3. Chip Specifications
    • 7.3.1. Maximum Memory Size Supported by the Chip
    • 7.3.2. BPU Memory Access Mode
  • 7.4. Codec
    • 7.4.1. Incorrect Video Stream Header Information Error
  • 7.5. Peripherals
    • 7.5.1. How to Check if Sensor Hardware Connection Is Normal
    • 7.5.2. How to Read ETH PHY Registers
    • 7.5.3. Software Method to Switch USB Between Host and Device Mode
  • 7.6. Algorithm Toolchain
    • 7.6.1. Common Troubleshooting
      • 7.6.1.1. hb_mapper checker Common Issues
      • 7.6.1.2. hb_mapper makertbin Common Issues
      • 7.6.1.3. hb_model_modifier Common Issues
      • 7.6.1.4. hb_verifier Common Issues
      • 7.6.1.5. hb_onnxruntime Common Issues
      • 7.6.1.6. libDNN Common Issues
    • 7.6.2. Model Quantization and Deployment Tips
      • 7.6.2.1. Transformer Usage Guide
        • AddTransformer
        • MeanTransformer
        • ScaleTransformer
        • NormalizeTransformer
        • TransposeTransformer
        • HWC2CHWTransformer
        • CHW2HWCTransformer
        • CenterCropTransformer
        • PILCenterCropTransformer
        • LongSideCropTransformer
        • PadResizeTransformer
        • ResizeTransformer
        • PILResizeTransformer
        • ShortLongResizeTransformer
        • PadTransformer
        • ShortSideResizeTransformer
        • PaddedCenterCropTransformer
        • BGR2RGBTransformer
        • RGB2BGRTransformer
        • RGB2GRAYTransformer
        • BGR2GRAYTransformer
        • RGB2GRAY_128Transformer
        • RGB2YUV444Transformer
        • BGR2YUV444Transformer
        • BGR2YUV444_128Transformer
        • RGB2YUV444_128Transformer
        • BGR2YUVBT601VIDEOTransformer
        • RGB2YUVBT601VIDEOTransformer
        • YUVTransformer
        • ReduceChannelTransformer
        • BGR2NV12Transformer
        • RGB2NV12Transformer
        • NV12ToYUV444Transformer
        • WarpAffineTransformer
        • F32ToS8Transformer
        • F32ToU8Transformer
      • 7.6.2.2. Example Usage Instructions for YOLOv5x Model
      • 7.6.2.3. Model Accuracy Tuning Checklist
        • 1. Verify Inference Results of the Floating-Point ONNX Model
        • 2. Verify the Correctness of the YAML Configuration File and Pre/Post-Processing Code
        • 3. Verify That Graph Optimization Stage Did Not Introduce Accuracy Errors
        • 4. Verify Quantization Accuracy Meets Expectations
        • 5. Ensure Model Compilation Is Correct and On-Device Inference Code Is Accurate
      • 7.6.2.4. Model Quantization YAML Configuration File Template
        • Caffe Model Quantization YAML File Template
        • ONNX Model Quantization YAML File Template
      • 7.6.2.5. Instructions for Using Multi-Batch with Fixed-Point .bin Models on Device
      • 7.6.2.6. Custom Operator Development Guide
        • Introduction
        • Model Conversion with Custom Operators
        • Running Models with Custom Operators on Device
• 8. Suggestions and Feedback