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T113 触摸适配

USB I2C

查看所有输入设备 sh-4.4# cat /proc/bus/input/devices 物理按键ADC I: Bus=0019 Vendor=0001 Product=0001 Version=0100 N: Name="sunxi-keyboard" P: Phys=sunxikbd/input0 S: Sysfs=/devices/virtual/input/input0 U: ...

Posted by LXG on November 3, 2023

Qt DeviceTest

T113

命令行测试硬件 sh-4.4# ls -al rp_test/ total 55668 drwxrwxr-x 3 root root 4096 Jan 1 00:16 . drwxr-xr-x 22 root root 4096 Jan 1 00:00 .. -rwxrwxr-x 1 root root ...

Posted by LXG on October 31, 2023

Ubuntu QtCreator配置交叉编译环境

QT

QtCreator Qt Creator是跨平台的 Qt IDE， Qt Creator 是 Qt 被 Nokia 收购后推出的一款新的轻量级集成开发环境（IDE）。此 IDE 能够跨平台运行，支持的系统包括 Linux（32 位及 64 位）、Mac OS X 以及 Windows。使用Qt Creator进行嵌入式程序开发是一个很好的选择 T113 交叉编译工具链 Linaro，...

Posted by LXG on October 27, 2023

T113 Linux Qt

Qt

目录 t113_linux/platform/framework/qt/qt-everywhere-src-5.12.5$ ls -al 总用量 1756 drwxrwxr-x 49 lxg lxg 4096 10月 20 18:04 . drwxrwxr-x 3 lxg lxg 4096 10月 8 14:54 .. drwxrwxr-x 2 lxg lxg 409...

Posted by LXG on October 21, 2023

T113 Longan 系统配置

Linux

开机流程进程列表 sh-4.4# ps -A PID USER COMMAND 1 root init 2 root [kthreadd] 3 root [rcu_gp] 4 root [rcu_par_gp] 6 root [kworker/0:0H-kb] 8 root ...

Posted by LXG on October 20, 2023

全志Longan和Tina系统

T113-S3

Tina Linux 系统介绍 Tina Tina_Linux_系统软件_开发指南.pdf Tina Linux是全志科技基于Linux内核开发的针对智能硬件类产品的嵌入式软件系统。Tina Linux基于openwrt-14.07 版本的软件开发包，包含了 Linux 系统开发用到的内核源码、驱动、工具、系统中间件与应用程序包。 Tina系统软件架构如图所示。从下至上分别为Ke...

Posted by LXG on October 18, 2023

T113 Linux 系统

Linux QT

T113_Longan_Linux_SDK开发环境配置手册.pdf 一级目录 t113_linux$ tree -L 1 . ├── brandy ├── build ├── buildroot ├── build.sh ├── device ├── Docs ├── evb1_auto -> device/config/chips/t113/configs/evb1_auto/...

Posted by LXG on October 18, 2023

Ubuntu22 Linux 开发环境配置

T113-S3

git.buildroot.org 全志哪吒D1开发板代码下载编译与调试(基于ubuntu22.04) 依赖安装 sudo apt install libncurses5-dev openssl libssl-dev build-essential pkg-config libc6-dev bison flex libelf-dev zlibc minizip libidn11-dev...

Posted by LXG on August 15, 2023

Android 系统定制

配置项修改

默认支持的语言列表 frameworks/base/core/res/res/values/locale_config.xml 源码 frameworks/base/core/java/com/android/internal/app/LocalePickerWithRegion.java frameworks/base/core/java/com/android/internal/...

Posted by LXG on August 15, 2023

A133 冻屏问题

android 10 内核死锁

冻屏日志-1 已经关闭app硬件加速的情况【FAQ1575】 RCU stall [ 476.654262] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 476.660702] 3-...: (1 GPs behind) idle=e89/140000000000000/0 softirq=20754/20755 fq...

Posted by LXG on August 5, 2023