李晓刚的博客

Rockchip NPU

AI 人工智能

嵌入式AI应用开发实战指南 NPU 概念 NPU 英语全称为 Neural Process Unit，译为神经网络处理器。NPU 是在电路层来模拟人类的神经元和突触，所以特别擅长处理人工智能任务。 NPU 的诞生大大的降低了 CPU 和 GPU 的负担，任何的工作首先要经过 CPU, 然后 CPU 在根据这个任务的性质来决定是分给 GPU 还是 NPU, 如果是图像处理器方面，就分给 ...

Posted by LXG on February 18, 2024

OpenHarmony

开源鸿蒙

OpenHarmony HarmonyOS NEXT 触觉智能开源鸿蒙简介 OpenHarmony是由开放原子开源基金会（OpenAtom Foundation）孵化及运营的开源项目, 目标是面向全场景、全连接、全智能时代、基于开源的方式，搭建一个智能终端设备操作系统的框架和平台，促进万物互联产业的繁荣发展 OpenHarmony通过组件化和组件弹性化等设计方法，做到硬件资源的可...

Posted by LXG on February 4, 2024

Buildroot Curl 网络请求

T113 C

curl 编译 # 1. 克隆curl的GitHub仓库 git clone https://github.com/curl/curl.git # 2. 进入到curl源代码目录 cd curl # 3. 配置编译选项 # - 如果你想编译动态库（默认通常会生成），只需运行configure脚本。 # - 如果你的系统支持，你可以添加特定的后端（比如OpenSSL、NSS等）...

Posted by LXG on January 9, 2024

MQTT C

T113 Linux

Github paho.mqtt.c github/paho.mqtt.c$ tree -L 1 . ├── about.html ├── android ├── appveyor.yml ├── build ├── build.xml ├── cbuild.bat ├── cmake ├── CMakeLists.txt ├── CMakeLists.txt.user ├── COD...

Posted by LXG on January 8, 2024

Buildroot MQTT

T113 linux

EMQ EMQ-sdk MQTT Config buildroot/buildroot-201902/configs/sun8iw20p1_t113_defconfig BR2_PACKAGE_PAHO_MQTT_C=y # BR2_PACKAGE_PYTHON_PAHO_MQTT is not set buildroot/buildroot-201902/packag...

Posted by LXG on January 4, 2024

Ubuntu2204 编译OpenHarmony

触觉智能 rk3566 OpenHarmony3.2

触觉智能 Purple Pi OH 编译报错-1 mock_stub_an.cpp:16:10: fatal error: 'cstdint' file not found 解决方案 sudo apt install llvm clang libstdc++-12-dev 编译报错-2 [OHOS ERROR] ../../arkcompiler/runtime_cor...

Posted by LXG on January 3, 2024

Buildroot dhcpcd编译报错问题

T113

编译报错日志 make[3]: *** ../: Is a directory. Stop. >>> dhcpcd 7.0.3 Building PATH="/home/lxg/code/t113_linux/out/t113/evb1_auto/longan/buildroot/host/bin:/home/lxg/code/t113_linux/out/t113...

Posted by LXG on December 26, 2023

固定串口编号

USB转串口编号获取问题

打开CH341 CP210X驱动 CONFIG_USB_SERIAL_CONSOLE=y CONFIG_USB_SERIAL_GENERIC=y CONFIG_USB_SERIAL_SIMPLE=y CONFIG_USB_SERIAL_CH341=y CONFIG_USB_SERIAL_CP210X=y ttyS3 修改为 ttyS4 longan/kernel/linux-4....

Posted by LXG on December 14, 2023

T113 Linux syslog

Linux

syslog buildroot syslog t113_linux/buildroot/buildroot-201902/package/sysklogd buildroot syslog-ng t113_linux/buildroot/buildroot-201902/package/syslog-ng syslog-ng 是一个开源的 syslog 替代方案，它提供了更强大的...

Posted by LXG on December 13, 2023

T113 Buildroot 裁剪

Flash Memory

Memory 查看进程列表 sh-4.4# ps PID USER COMMAND 1 root init 2 root [kthreadd] 3 root [rcu_gp] 4 root [rcu_par_gp] 5 root [kworker/0:0-eve] 6 root ...

Posted by LXG on December 7, 2023

LXG Blog