CV180X & CV181X Sensor Debugging User Guide

Revision History

Revision	Date	Description
1.0	2019/10/12	First draft.
1.1.0	2021/10/1	Supplemented practical operation details.
1.1.2	2021/12/28	Added sensor_test.
1.1.3	2023/04/13	Revise details and update the latest content
1.1.4	2023/04/21	Add alios-related adaptations

Contents

• 1. Disclaimer
• 2. Introduction to Sensor Drivers
  • 2.1. Hardware Architecture
  • 2.2. Sensor Library Structure
  • 2.3. Debugging Process
• 3. Confirm Specifications
  • 3.1. Confirm Main Processor Specifications
  • 3.2. Confirm Sensor Specifications
• 4. Image Output Debugging( Linux is not a quick starter )
  • 4.1. Hardware Preparation
  • 4.2. Configure the Initialization Sequence
    • 4.2.1. Prepare the sensor driver
    • 4.2.2. Sensor initialization sequence
  • 4.3. Adapting to Sample Common and alios config
  • 4.4. Adding Sensor INI Configuration
  • 4.5. Build and run sensor test
• 5. Image output debugging (Alios Quickstart)
  • 5.1. Hardware Preparation
  • 5.2. Configure the Initialization Sequence
    • 5.2.1. Prepare Sensor actuation
    • 5.2.2. Sensor initialization sequence
    • 5.2.3. Modify package.yaml to add a build file
  • 5.3. Adaptation solution
    • 5.3.1. Add sensor type
    • 5.3.2. Modify the sensor mipi related configuration
    • 5.3.3. Modifying VB Configuration
    • 5.3.4. Modify to add pinmux
    • 5.3.5. Modifying the build configuration
  • 5.4. Running sensor
• 6. Image Output Verification
  • 6.1. Dump RAW
  • 6.2. Dump YUV
• 7. Basic Functions of ISP
  • 7.1. Development Process
  • 7.2. Notes
• 8. Complete the AE Configuration Function
  • 8.1. Development Process
  • 8.2. Notes
• 9. Complete Other Functions
  • 9.1. Sensor Initialization Process
  • 9.2. Sensor Shutdown Process
  • 9.3. Sensor AE Synchronization Process
• 10. AE Related Verification
  • 10.1. BLC Confirmation and Verification
  • 10.2. Exposure Linearity Verification
  • 10.3. Gain Linearity Verification
  • 10.4. Advanced Verification
  • 10.5. Response Frame Verification
  • 10.6. Validation of Exposure Gain Synchronization
  • 10.7. Verify FPS Controllability
• 11. Common Problem
  • 11.1. Proc Message Interpretation
  • 11.2. The Open of Sensor-related Log
  • 11.3. How to Configure Lane Line Sequence
  • 11.4. How to Select the MAC Frequency
  • 11.5. Error Checking Process
• 12. Color, Noise Reduction, and Other Corrections
• 13. Image Quality Tuning.
• 14. Debugging Tool
  • 14.1. Basic Functions.
  • 14.2. Dump RAW
  • 14.3. Dump YUV
  • 14.4. Set flip/mirror
  • 14.5. Switching between WDR and Linear
  • 14.6. AE Related Verification