7. FAQ
- 7.1. Environment Configuration
- 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
- 7.4. Codec
- 7.5. Peripherals
- 7.6. Algorithm Toolchain
- 7.6.1. Common Troubleshooting
- 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
- 7.6.2.5. Instructions for Using Multi-Batch with Fixed-Point .bin Models on Device
- 7.6.2.6. Custom Operator Development Guide
- 7.6.2.1. Transformer Usage Guide