Note

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K230 SDK K230D Zero Board Demo User Guide

Overview

Demo Introduction

LVGL

The source code path is in buildroot-overlay/package/lvgl, and the LVGL version used is 8.3.7. After compilation, an executable program named lvgl_demo_music is generated and placed in output/k230_canmv_defconfig/target/usr/bin/lvgl_demo_music. You can directly enter lvgl_demo_music on the board to execute it.

GPU

The source code path is in buildroot-overlay/package/vg_lite, which includes 5 example programs.

• tiger: Renders a 640x480 tiger image and saves it as tiger.png

• linearGrad: Renders a gradient pattern and saves it as linearGrad.png

• imgIndex: Renders four images using color lookup tables and saves them as png files

• vglite_drm: Displays a pattern drawn using the GPU on the screen

• vglite_cube: Displays a cube frame drawn using the GPU on the screen

Face Detection

The face detection demo takes the sensor’s input image as its input source. This demo is used to demonstrate the entire pipeline of isp + ai.

The source code is located at buildroot-overlay\package\face_detect, and the executable program is placed in output/k230_canmv_defconfig/target/app/face_detect. Enter /app/face_detct on the board and execute the following command:

./face_detect.elf face_detection_320.kmodel

The display effect is as follows: