beyond compare 使用记录


beyond compare notesbeyond compare 4 key H1bJTd2SauPv5Garuaq0Ig43uqq5NJOEw94wxdZTpU-pFB9GmyPk677gJ vC1Ro6sbAvKR4pVwtxdCfuoZDb6hJ5bVQKqlfihJfSYZt-xVrVU27+0Ja hFbqTmYskatMTgPyjvv99CF2Te8ec+Ys2SPxyZAF0YwOCNOWmsyqN5y9t q2Kw2pjoiDs5gIH-uw5U49JzOB6otS7kThBJE-H9A76u4uUvR8DKb+VcB rWu5qSJGEnbsXNfJdq5L2D8...

chromium is‘t full screen


chromium is‘t full screen/usr/sbin/lightdm \_ /usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch \_ lightdm --session-child 13 16 \_ /usr/bin/lxsession -s LXDE -e LXDE \_ /usr/bin/unclutter -idle 1 -root \_ /usr/bin/ssh-agent /usr/bin/dbus-l...

lightdm


LightDM Design什么是DM?DM(显示管理器)功能如下:启动和管理本地实例化的X Server;用户认证;启动和管理用户回话(常用情景);在boot过程中,单例启动X 服务器和开始一个用户会话((kiosk mode));在boot过程中,单例启动 X服务器,显示用户登录界面,在连接时启动用户会话;支持多用户同时登录,用户选择具体用户登录,同时为每一个 用户启动 X 服务器;允许 X 服务器,使用XDMCP,运行瘦客户端远程连接到其他X 服务器。设计目标快速不增加其他额外的启动时间;异常安全处理所有DefinitionsDisplay Manager - A daemon t...

Platform Devices and Drivers


Platform Devices and DriversSee <linux/platform_device.h> for the driver model interface to the platform bus: platform_device, and platform_driver. This pseudo-bus is used to connect devices on busses with minimal infrastructure,like those used to integrate peripherals on many system-on-c...

flash partition fs overview


flash partition fs overviewNandFlashnand flash对于NandFlash的认识尝试不做更多理解,只需要了解非易失存储、擦除寿命有限、通常是10K级别,同时写操作需要基于Page来。没有办法按照内存的存储基本单位字节来操作,由多个Page组成一个Block 每个 Page保留 一些字节用以 做ECC ( error correcting code )校验。通常按照如下分布。32 pages of 512+16 bytes each for a block size (effective) of 16 KB 64 pages of 2,048+64 ...

hi3798cv200 android 编译


hi3798cv200 android compilesdk 百度云下载 密码:w11f开发环境搭建和初次编译参考Android 解决方案 开发指南.pdf- >开发环境配置烧写工具HiTool-STB-3.1.35.zip 会在成功编译镜像后自动拷贝到out文件夹。$ sudo find / -name HiTool-STB* /home/jay/hi3798cv200/HiSTBAndroidV600R002C00SPC030/out/target/product/Hi3798CV200/HiTool-STB-3.1.35.zip提示:部分windows应用工具直接打包到了sd...

a64 sdk pack tool


pack tool编译打包相关脚本文件。vim -p build.sh buildroot/scripts/mkcommon.sh buildroot/scripts/mkcmd.sh tools/pack/pack boot0拷贝tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin到out/boot0_sdcard.fex#tools/pack/pack line 132 boot_file_list=( chips/${PACK_CHIP}/bin/boot0_sdcard_${PACK_CHIP}.bin:out/...

android boot image


android boot image全志 a64 linux sdk采用了android 的boot image,这里顺着该sdk系统理解android的引导镜像。如下linux-3.10/scripts/build.sh 代码片段显示,在完成内核编译后,改脚本直接将kernel的二进制可执行文件和cpio的gzip压缩包rootfs.cpio.gz 一起合并进入boot.img。#linux-3.10/scripts/build.sh line.27 export MKBOOTIMG=${LICHEE_TOOLS_DIR}/pack/pctools/linux/android/mkbo...

ramfs


ramfsWhat is ramfs?Ramfs is a very simple FileSystem that exports Linux's disk cacheing mechanisms (the page cache and dentry cache) as a dynamically resizable ram-based filesystem.ramfs 是一个基于linux缓存机制(page cache and dentry cache)的简易文件系统,基于ram,大小可动态调整。Normally all files are cached in memory by Li...

arm级vp9 编解码cpu概况


vp9 decoder cpu summary这里系统了解全志和海思的解码能力。allwinner h6https://pan.baidu.com/s/1aA-jRLSWtjaUq6BhXxq8mw em4jhttp://linux-sunxi.org/H6从Allwinner_H6_V200_User_Manual_V1.1_decrypted->Chapter 2 Overview->2.2.6. Video Engine ->2.2.6.1. Video Decoder 从User Manual 来看,能够达到4k@30fps的帧率,但是实际测试在6fps。a...