1. Introduction In the previous article, we explained how to use open-source hardware like Arduino and Raspberry Pi to build a real car equipped with ROS (Robot Operating System). This article will continue to guide you step by step on how to implement those powerful ROS packages on our physical car. 2. Added Sensors 1. … Read more
QEMU (Quick EMUlator) is a general-purpose open-source emulator and virtualization tool that can simulate most CPU platforms, such as x86, ARM, ARM64, RISC-V, PowerPC, MIPS, etc. It can also simulate various hardware peripherals, such as memory, emmc, sdcard, usb, etc. Therefore, through QEMU, we can simulate a development board. During the chip development process, chip … Read more
Environment Description OS: Ubuntu 20.04.5 LTS GCC: arm-none-linux-gnueabihf-gcc 10.3.0 Compiler download link: Downloads | GNU-A Downloads – Arm Developer[1] U-Boot Porting Current latest version v2023.04-rc2 download link: https://github.com/u-boot/u-boot/archive/refs/tags/v2023.04-rc2.tar.gz[2] Set cross compiler: export CROSS_COMPILE=arm-none-linux-gnueabihf- Compile configuration: make nanopi_neo_defconfig Compile: make -j8 Encountered issues: Solution: sudo apt install python3-pip pip3 install setuptools Compilation output: Burning: sudo dd … Read more