Product Introduction
X821V30 specifications, features, mechanics, and software resources
Hardware Resources
X821V30 connector layout and hardware resources
Interface Definitions
X821V30 power, UART, audio, touch, LCD, and camera pin definitions
Configuration List
X821V30 standard package and optional accessories
Development Environment
X821 Linux host setup, Ubuntu dependencies, and file-transfer tools
SDK Layout and Build Environment
V821 Tina Linux 5.0 directories, shortcuts, and build environment
Build and Flash
Full V821 SDK build, packaging, and PhoenixSuit flashing
Core Configuration Files
V821 Kconfig, device tree, partitions, environment, and filesystem configuration
Quick Config and Optimization
V821 quick_config, storage switching, partition optimization, cameras, debugging, memory, and CPU frequency
Toolchains and Application Development
V821 RISC-V toolchains, Gitea workflow, Tina packages, and auto-start services
Camera and LCD Display
V821 camera drivers, DISP, LCD framebuffer, and timing configuration
U-Boot Logo and SPI LCD
V821 U-Boot display, boot logo, and SPI DBI panel porting
LVGL and G2D
V821 LVGL graphics and G2D rotation/scaling guidance
Multimedia MPP
V821 MPP components, sample builds, smart IPC, and audio/video testing
Common System Modules
V821 login, boot, UART, GPIO, networking, analog peripherals, and low power
RTOS and AMP
V821 RISC-V MCU RTOS build, firmware, remoteproc, rpmsg, and AMP debugging
Linux Drivers and Projects
V821 Linux driver integration, device tree, GPIO applications, and daemon development
FAQ
Common X821V30 hardware, provisioning, display, camera, and development questions