K230 SDK Development Guide

• K230 RVV optimization performance description
  • Directory
  • preface
    • Overview
    • Reader object
    • Revision history
  • Overview
  • RVV application scenarios
    • RVV optimization is not enabled
    • Enable RVV optimization
    • Performance Analysis and Description
    • RVV optimization example
      • RVV code
      • Core Code Description
      • Add RVV operator process
    • tips
• K230 Memory Optimization Guide
  • Memory analysis
  • Memory optimization
  • Small-core memory optimization
    • Linux module removal
    • LVGL shows memory optimization
  • Big core memory optimization
    • Memory multiplexing
    • Multimedia memory optimization
    • ISP memory usage optimization
    • RT-Smart system memory optimization
      • Heap memory optimization
      • Page memory optimization
  • Memory optimization effects
• K230 Memory Analysis Guide
  • Little core memory footprint analysis
    • The Linux kernel is statically occupied
      • Size tool
      • ksize.py Screenplay
      • nm command
    • Linux dynamic occupancy analysis
      • free
      • /proc/meminfo node
  • Big core memory consumption analysis
    • Static analysis
      • Use the size tool
    • Dynamic analysis
      • Heap memory
      • Page memory
      • Dedicated memory for multimedia
• K230 Boot Optimization Guide
  • K230 boot sequence
  • Start-up time measurement
    • Software measurement
    • Hardware measurement
    • External observations
  • System cropping
    • Little core cropping
      • Linux image pruning
      • rootfs cropping
      • File system selection
    • Big core cropping
      • Big core app cropping
    • Crop effect
  • uboot startup optimization
  • Linux boot optimization
    • Remove kernel boot printing
    • Organize time-consuming drivers into modules
    • Application startup optimization
  • Big Core startup optimization
    • RT-Smart starts
    • Application optimization
  • Other optimizations
  • Optimize performance
• K230 Inter Processer Communication Sharefs Usage
  • overview
  • Environment preparation
    • Hardware environment
    • Software environment
  • use
    • Sharefs runs
    • File creation, write, view
    • Folder creation
    • File read
    • File loading
    • File deletion
    • other
    • Notes
• K230 OpenBLAS Development Guide
  • disclaimer
  • directory
  • preface
    • overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • 1.Introduction to OpenBLAS
  • Test case compilation
  • Test case run demo
    • level_1 Test Cases
    • level_2 Test Cases
    • level_3 Test Cases
    • Fortran Interface Test Cases
  • 4.OpenBLAS cross-compilation
    • OpenBLAS compilation environment is set up
      • Git code download
      • Patch Service Pack Application
    • OpenBLAS compilation
• K230 OpenCV Development Guide
  • disclaimer
  • directory
  • preface
    • overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Introduction to OpenCV
  • Test case compilation example
  • Test case run example
    • opencv_calcHist
    • opencv_threshold
    • opencv_findContours
    • opencv_features2d
    • opencv_objdetect
  • Cross-compilation and use of the original version of OpenCV library
    • Download the OpenCV source code
    • Apply patch service packs
    • Cross-compiling OpenCV static libraries
    • Compiling Executable Programs
• K230 Camera Sensor Adaptation Guide
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Overview
  • Camera Sensor Framework
    • Introduction to the framework
  • Sensor adaptation preparation
  • Sensor adaptation example
    • Define supported sensor types
    • Sensor driver adaptation
      • Define the list of sensor register configurations
      • Define the modes supported by the sensor
      • Implement the sensor operation interface
      • Define the sensor-driven structure
      • Update the sensor driver list
    • Update the list of sensor configuration information
    • Add sensor configuration file
• K230 Power Management Usage Guide
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Overview
  • Big core power consumption control
    • Introduction to the control framework
      • Power Management Domains
      • Control Policies
      • Thermal Protection
      • Power Supply and Clock
      • CPU1
      • KPU
      • DPU
      • VPU
      • DISPLAY
    • Usage
      • Use manual mode
      • Use other modes
      • Use thermal protection
      • Use custom frequencies
    • API Reference
      • kd_mpi_pm_set_reg
      • kd_mpi_pm_get_reg
      • kd_mpi_pm_get_profiles
      • kd_mpi_pm_get_stat
      • kd_mpi_pm_set_governor
      • kd_mpi_pm_get_governor
      • kd_mpi_pm_set_profile
      • kd_mpi_pm_get_profile
      • kd_mpi_pm_set_profile_lock
      • kd_mpi_pm_set_profile_unlock
      • kd_mpi_pm_set_thermal_protect
      • kd_mpi_pm_get_thermal_protect
      • kd_mpi_pm_set_thermal_shutdown
      • kd_mpi_pm_get_thermal_shutdown
      • kd_mpi_pm_set_clock
      • kd_mpi_pm_set_power
      • kd_mpi_pm_runtime_runstage
    • Data Structures
      • k_pm_domain
      • k_pm_governor
      • k_pm_profile
      • k_runtimestage_id
    • Error Codes
  • Little core power consumption control
    • Introduction to the control framework
    • cpu_freq
• K230 VICAP SENSOR Parameter Partition Reference
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Overview
    • Overview
  • Production process reference
    • Flowchart
    • Production steps
      • Convert header files
      • Converting binaries
        • Header creation
        • Configuration parameter binary file creation
        • padding file
        • Dewarp parameter configuration
        • Merge files
        • Scripting binary files
        • Punching into the parameter partition
      • Usage
      • Precautions
• K230 PMU User Guide
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Function introduction
  • User Control
    • PMU Device Tree Configuration
    • PMU file control
    • PMU events are reported
    • PMU shutdown control
  • Hardware connection
  • Precautions
• K230 SDK IoT WiFi AiW4211LV10 User Guide
  • Directory
  • Function Introduction
  • Module Dependencies
    • Software Environment
    • Hardware Environment
  • Module Configuration
    • SDK Directory Structure
    • Customized Modifications
  • Firmware Compilation
    • Compilation Environment
    • Compilation Methods
  • Module Starts
    • Firmware Flashing
    • Driver Loading
    • Parameter Configuration
      • Configure AP Access Through the Network
      • Configure AP Access Through Messages
        • Configuration via the Configuration Tool
        • Configure by Calling APIs
    • System Hibernation
      • Configuring Hibernation Through Tools
      • Sleep by Calling the API
      • Sleep by Monitoring Levels
    • System Wake
      • Key Wake-up
      • Wake on LAN
  • API Reference
    • Config Interface
      • API
      • Data Structures
        • wifi_config_t
        • wifi_sleep_t
        • wifi_connect_t
        • wifi_keepalive_t
    • Sleep Interface
  • WiFi Function Limitation
• K230 SDK IoT WiFi AiW4211LV10 Driver Development Guide
  • Directory
  • Function Introduction
  • Module Dependencies
    • Operating System
    • Hardware Environment
  • Module Configuration
    • Device Tree Modification
      • Configure Pin Function
      • Configure the GPIO Controller
      • Configure SDHCI1 Parameters
    • Kernel Configuration Items
    • SDIO Master Adds Scanning Interface
  • Module Compilation
  • Module Starts
    • WiFi Firmware
    • Driver Loading
    • Network Configuration
  • API Reference
    • Config Interface
      • API
      • Data Structures
        • wifi_config_t
      • wifi_sleep_t
      • wifi_connect_t
      • wifi_keepalive_t
    • Sleep Interface
  • Basic Performance Test
    • Throughput Testing
  • File Transfer Testing
• K230 nncase Development Guide
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • Overview
    • What is nncase
    • nncase architecture
    • Development Environment
      • Operating System
      • Software Environment
      • Hardware Environment
  • Compiling Model APIs (Python)
    • Supported operators
      • tflite arithmetic
      • ONNX arithmetic
    • APIs
      • CompileOptions
      • ImportOptions
      • PTQTensorOptions
      • set_tensor_data
      • Compiler
      • import_tflite
      • import_onnx
      • use_ptq
      • compile
      • gencode_tobytes
    • Examples
      • Compiling the tflite model
      • Compiling the ONNX model
  • Simulator APIs (Python)
    • APIs
      • MemoryRange
      • RuntimeTensor
      • from_numpy
      • copy_to
      • to_numpy
      • Simulator
      • load_model
      • get_input_desc
      • get_output_desc
      • get_input_tensor
      • set_input_tensor
      • get_output_tensor
      • set_output_tensor
      • run
    • Examples
  • KPU runtime APIs (C++)
    • Introduction
    • APIs
      • hrt::create
      • hrt::sync
      • interpreter::load_model
      • interpreter::inputs_size
      • interpreter::outputs_size
      • interpreter:: input_shape
      • interpreter:: output_shape
      • interpreter:: input_tensor
      • interpreter:: output_tensor
      • interpreter:: run
    • Examples
  • AI2D runtime APIs (C++)
    • Introduction
      • Supported format conversions
      • Function Description
    • APIs
      • ai2d_format
      • ai2d_interp_method
      • ai2d_interp_mode
      • ai2d_pad_mode
      • ai2d_datatype_t
      • ai2d_crop_param_t
      • ai2d_shift_param_t
      • ai2d_pad_param_t
      • ai2d_resize_param_t
      • ai2d_affine_param_t
      • ai2d_builder:: ai2d_builder
      • ai2d_builder:: build_schedule
      • ai2d_builder:: invoke
    • Examples
    • Precautions
  • FAQ
    • xxx.whl is not a supported wheel on this platform. Error is reported when installing wheel package
    • python: symbol lookup error error is reported when compiling the model
    • std::bad_alloc error is reported when running the inference app on the board
    • data.size_bytes() == size = false (bool) error is reported when running the App inference program on the board
• K230_SDK_nncase_version_correspondence
  • Directory
  • preface
    • Overview
    • Reader object
  • Correspondence between SDK, CanMV version and nncase version
• K230 debian ubuntu Notes
  • Directory
  • preface
    • Overview
    • Reader object
    • Definition of acronyms
    • Revision history
  • download note
  • k230 debian Rootfs build and verification
    • environment
    • debian rootfs build
    • 2.3image build
    • 1.3gcc test
  • k230 ubuntu23 rootfs build
    • environment
    • k230 ubuntu rootfs build
    • image build
    • gcc test
  • 4.add Qt and lxqt
    • install Qt, lxqt
    • run Qt example
    • run lxqt
  • reference material
• K230 SDK Burntool User Guide
  • Directory
  • Purpose of K230 burning tool
  • How to use the K230 burning tool
  • K230 USB burning mechanism
  • How to develop the K230 burning tool loader.bin
• K230 SDK Dewarp User Guide
  • Directory
  • Introduction to Dewarp calibration
    • Grab images
    • Import to the Dewarp pattern
      • Lens correction
      • Split screen
    • Perform calibration procedures
  • Dewarp works with the VICAP module
    • Lens correction mode
    • Split screen mode
• K230 ISP Image Tuning Guide
  • Directory
  • K230 ISP Image Tuning Overview
  • Calibration
    • Overview
    • Black level correction
      • The principle and significance of black level calibration
      • Black level calibration acquisition RAW image
      • Start calibration using the calibration tool
    • Lens shading Correction
      • Basic principle and significance of LSC calibration
      • LSC calibration acquisition RAW image
      • Start calibration using the calibration tool
    • Color Correction
      • CCM calibration principle
      • CC calibration to acquire RAW images
      • Start calibration using the calibration tool
    • Auto White Balance
      • Basic principle and significance of AWB calibration
      • Start calibration using the calibration tool
      • calibration of AWB parameter K_Factor
    • Noise Calibration
      • The principle and significance of Noise Profile calibration
      • Noise Profile calibrated to acquire RAW images
      • Start calibration using the calibration tool
    • Chromatic Aberration Correction
      • The principle and significance of CAC calibration
      • CAC calibration acquisition RAW image
      • Start calibration using the calibration tool
  • Module introduction
    • BLS
      • Function Description
      • Main parameters
      • Tuning Strategy
    • LSC
      • Function Description
      • Main parameters
    • Dgain
      • Function Description
      • Main parameters
    • AE
      • Function Description
      • Main parameters
    • AWB
      • Function Description
      • Main parameters
      • Parameter kFactor calibration instructions
    • WDR
      • Function Description
      • Main parameters
      • Tuning Strategies
    • GE
      • Function Description
      • Main parameters
    • DPCC
      • Function Description
      • Main parameters
    • DPF
      • Function Description
      • Main parameters
    • 3DNR
      • Function Description
      • Main Parameters
      • Tuning Strategies
    • Demosaic
      • Function Description
      • Main Parameters
      • Tuning Strategies
    • ManualWB
      • Function Description
      • Main parameters
    • CCM
      • Function Description
      • Main parameters
    • Gamma
      • Function Description
      • Main parameters
      • Tuning Strategies
    • EE
      • Function Description
      • Main Parameters
    • CA
      • Function Description
      • Main parameters
    • DCI
      • Function Description
      • Main Parameters
    • CProcess(Color Processing)
      • Function Description
      • Main Parameters
    • Compand
      • Function Description
      • Main Parameters
    • CAC (Chromatic Aberration Correction)
      • Function Description
      • Main Parameters
• K230 ISP Initial Setting
  • Directory
  • K230 ISP Initial Setting Overview
  • xml file
    • Overview
    • Setup Calibration File Folders with Calibration Parameters
  • Generate XML file using K230 ISP Calibration Tool
  • AWB parameter K_Factor
  • manual.json file
    • CHdrv2
      • Function Description
      • Main Parameters
    • CGreenEqu
    • CRgbIR
      • Function Description
      • Main Parameters
    • CManualWb
    • CCcm
    • CDgain
    • CCpdv1
    • Bls
      • Function Description
      • Main Parameters
    • CGamma64
    • CDpcc
    • CDpf
    • CLscv2
    • CWdrv4
    • C3dnrv3_1
    • CCproc
    • CEEv1
      • Function Description
      • Main Parameters
    • CDmscv2
      • Function Description
      • Main Parameters
  • auto.json file
    • AdaptiveAe
      • Function Description
      • Main parameters
    • Awbv2
      • Function Description
      • Main Parameters
    • Af
      • Function Description
      • Main Parameters
    • ALscv2
      • Function Description
      • Main Parameters
    • Others
      • Parameters description outside of “tables”
      • Parameters description in “tables”
• K230 ISP Tuning Tool User Guide
  • Directory
  • 1.Module software architecture
  • 2.Connection and activation of the Tuning Tool
    • Tool Get Path
    • Initiation Process
  • 3.Introduction to the Tuning Tool interface
    • Connect the board-end tuning-server
      • Use HTTP to connect to the board-end tuning-server
    • Create/Select Project
      • Create Project
    • Online Tuning interface and function description
      • Bypass Settings
      • Auto Focus Control (Focus Control)
      • Auto Exposure Control (Exposure Control)
      • Auto White Balance (White Balance)
      • Exposure Statics
      • Auto Focus Measurement
      • High Dynamic Range
      • Compand
      • Black Level Subtraction
      • RGB Infrared Radiation
      • Lens Shading Correction
      • Digital Gain
      • Wide Dynamic Range
      • Green Equilibrate
      • Defect Pixel Cluster Correction
      • Denoising Prefilter
      • 3D Noise Reduction
      • Demosaic
      • Color Correction Matrix
      • Gamma Correction
      • Edge Enhance
      • Color Processing
    • Capture images
      • Set image format and size
      • Acquiring images
    • Import and export of parameters
      • Parameter Import
      • Parameter export