1. How to check $ ls /dev/video* /dev/video0 /dev/video1 /dev/video2 /dev/video3 if not, U should check camera driver 2. how to install camera driver.. cd driver_floder sudo make cleanmake #(no sudo)sudo make insert ls /dev/vi* END…

之前在看wifi driver源代码时一直有一个疑惑就是net dev的wireless_handlers中(WEXT类型的接口)提供两个iw_handler接口,怎么知道上层是调用的是private中的函数还是standard中的SIOCSIWPRIV接口和SIOCGIWPRIV接口. 问Wifi的FAE,人家也不清楚,后来没办法只好在源代码中找,现在终于有点头绪与大家分享一下. android 中有个system/netd/目录,在netd下有个softapController.cpp文件实…

本文基于Android 4.2.2+Linux3.6.9+SAMA5D3 SoC从源码的角度审视Android Camera子系统. 应用层 Androd原生Camera应用 /system/app/LegacyCamera.apk http://androidxref.com/4.2.2_r1/xref/packages/apps/LegacyCamera/ Camera应用调用Android应用框架提供的Camera API import android.hardware.Camera; i…

Research Code A rational methodology for lossy compression - REWIC is a software-based implementation of a a rational system for progressive transmission which, in absence of a priori knowledge about regions of interest, choose at any truncation time…

List of Chromium Command Line Switches https://peter.sh/experiments/chromium-command-line-switches/ There are lots of command lines which can be used with the Google Chrome browser. Some change behavior of features, others are for debugging or experi…

参考:https://peter.sh/experiments/chromium-command-line-switches/ List of Chromium Command Line Switches Condition Explanation -- ⊗ Report pseudo allocation traces. Pseudo traces are derived from currently active trace events. ↪ --/prefetch:1[1] ⊗ /pre…

https://sites.google.com/a/chromium.org/chromedriver/capabilities http://stackoverflow.com/questions/tagged/selenium-chromedriver ChromeDriver - WebDriver for Chrome Search this site     Capabilities & ChromeOptions Capabilities are options that you…

转自:http://peter.sh/experiments/chromium-command-line-switches/ There are lots of command lines which can be used with the Google Chrome browser. Some change behavior of features, others are for debugging or experimenting. This page lists the availabl…

There are lots of command lines which can be used with the Google Chrome browser. Some change behavior of features, others are for debugging or experimenting. This page lists the available switches including their conditions and descriptions. Last au…

1.在编译openwrt之前,需要先安装依赖包,命令如下: sudo apt-get install autoconf binutils bison bzip2 flex gawk gettext make libncurses5-dev patch unzip wget zlib1g curl libcurl3 openssl libssl-dev perl libperl-dev cpio libexpat1 gettext openssh-client subversion cmake l…