Shenzhen Wind Fire Wheel Technology Co., Ltd. is a company focused on high-end technology development and technical services. Originally the Shenzhen Wind Fire Wheel technology development team, it specializes in ARM embedded development and provides mobile internet technology services. Introduction to RK3399 Development Boards Operated by Wind Fire Wheel RK3399 is a low-power, high-performance application … Read more
With the continuous advancement of technology, the application of the RK3399 chip in consumer products has gradually become a trend. As a powerful embedded processor, the RK3399 is widely used in consumer electronics such as smart TVs, smart speakers, and smart cameras. When applying the RK3399 chip to these products, PCB design is particularly critical. … Read more
After the State Administration of Radio, Film and Television gradually issued relevant documents, the OTT box industry brand manufacturers have been moving forward through a process of self-correction. The applications of OTT boxes have begun to diversify from a single video function to game console capabilities. As the core of smart terminal products—the CPU—not only … Read more
This issue’s guide Advancing the sharing of storage facilities to ensure “last mile” delivery! The smart battery swap cabinet is primarily deployed in community parking lots, electric vehicle repair shops, and street-side locations, allowing users to insert an empty battery and receive a new one, enabling quick battery swaps for electric vehicles using the same … Read more
When performing network ADB debugging on the RK3399 Android 7.1.2, if multiple computers connect to the same Android device, the first connected computer can operate normally, while subsequent connections see the device status as OFFLINE. After analyzing the ADBD related code, it was found that there was no distinction made for ACCEPT Client handling, so … Read more
On RK3399 Android 8.1, we implement the silent installation feature for APKs. Below is our testing process:1. Generate the system signing KEY in the RK3399 Android 8.1 source directory: Navigate to the build/target/product/security directory: cd build/target/product/security Create a build_system_jks2.sh file with the following content: #!/bin/bash echo "Generating system signing file…" openssl pkcs8 -inform DER -nocrypt … Read more
Starting from Android 9, the WiFi concurrency feature has been supported, with the following official description: Android 9 introduces a feature that allows devices to operate in both STA and AP modes simultaneously. For devices that support Dual Band Simultaneous (DBS), this feature enables new functionalities, such as not interrupting the STA WLAN when the … Read more
To quickly locate program issues, it is necessary to compile gdb 16.2 on the RK3399 development board and use gdb 16.2 to debug the program. UnsetUnsetCompilation EnvironmentUnsetUnset Ubuntu 24.04 gcc-linaro-10.2.1-2021.01-x86_64_aarch64-linux-gnu UnsetUnsetPrerequisitesUnsetUnset GDB Official Website: https://sourceware.org/gdb/ Source Code Download Link: https://sourceware.org/pub/gdb/releases/?C=M;O=D The gdb 16.2 version depends on higher versions of gmp and mpfr, so these two … Read more
Processor Basic Information Processor Rockchip RK3399 Intel Celeron J1900 Main Market Single Board Computer Mini Desktop Architecture ARMv8 – A (64-bit) x86 – 64 (64-bit) Release Date Q1 2016 Q4 2013 Process Technology 28nm HKMG 22nm Number of Cores 6 4 Number of Threads 6 4 Base Frequency 1.5GHz 2.0GHz Turbo Frequency 2.0GHz 2.42GHz Cache … Read more
Building an Embedded Linux Development Environment for RK3399: Practical Experience for Professional Developers Embedded Linux is increasingly applied in high-performance computing, edge computing, and artificial intelligence. The RK3399, as a six-core 64-bit ARM processor, has become an ideal choice for these application scenarios due to its excellent performance and rich peripheral interfaces. This article will … Read more