<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[woxx]]></title><description><![CDATA[学习笔记]]></description><link>https://blog.youkuaiyun.com/u012155751</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u012155751]]></copyright><item><title><![CDATA[SimpleBlobDetector 类移植]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/21116847</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/21116847</guid><author>u012155751</author><pubDate>Wed, 12 Mar 2014 21:18:03 +0800</pubDate><description><![CDATA[opencv中集成了斑点检测的类：SimpleBlobDetector ，但是需要2.2版本以后才支持。
angstrom系统中自带的opencv版本是2.2.0的，恰好不支持斑点检测。之前编译了cvblob插件，没成功。
看了新版本里的SimpleBlobDetector 类后，发现其实现并不难，基于FeatureDetector类，而FeatureDetector是一个特征检测的基础类，其]]></description><category></category></item><item><title><![CDATA[linux3.4.0 按键驱动程序分析（pandaboard omap4460）]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/19847001</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/19847001</guid><author>u012155751</author><pubDate>Mon, 24 Feb 2014 21:51:33 +0800</pubDate><description><![CDATA[linux3.4.1 按键驱动程序分析（pandaboard omap4460）


在内核中，按键的驱动程序已经设计好了，要使自己板上的按键工作起来，需要做的是在相应的文件中添加硬件信息，然后对内核进行正确的配置。


以下先使按键工作起来，再对驱动进行分析。
按键属于输入设备，所以在分析按键驱动之前要先学习input子系统的相关知识


1、内核配置：
Device Dr]]></description><category></category></item><item><title><![CDATA[立方插值]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/17227365</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/17227365</guid><author>u012155751</author><pubDate>Mon, 09 Dec 2013 18:45:24 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[V4L2命令之 User Controls]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13551689</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13551689</guid><author>u012155751</author><pubDate>Tue, 29 Oct 2013 20:28:22 +0800</pubDate><description><![CDATA[http://linuxtv.org/downloads/v4l-dvb-apis/control.html



User Controls
Devices typically have a number of user-settable controls such as
brightness, saturation and so on, which would be present]]></description><category></category></item><item><title><![CDATA[V4L2命令之 VIDIOC_G_PARM, VIDIOC_S_PARM]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13510819</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13510819</guid><author>u012155751</author><pubDate>Tue, 29 Oct 2013 19:03:08 +0800</pubDate><description><![CDATA[http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-g-parm.html





Name
VIDIOC_G_PARM, VIDIOC_S_PARM — Get or set streaming parameters
//获取或设置数据流的参数，一般设置帧率等参数



Synopsis




int 
ioc]]></description><category></category></item><item><title><![CDATA[V4L2命令之 VIDIOC_ENUM_FMT  VIDIOC_ENUM_FRAMESIZES  VIDIOC_ENUM_FRAMEINTERVALS]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13509507</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13509507</guid><author>u012155751</author><pubDate>Tue, 29 Oct 2013 16:37:37 +0800</pubDate><description><![CDATA[http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-enum-frameintervals.html

VIDIOC_ENUM_FMT

Name
VIDIOC_ENUM_FMT — Enumerate image formats  // 列举设备所支持的格式



Synopsis




int 
ioctl(
in]]></description><category></category></item><item><title><![CDATA[为 pandaboard 搭建 gtk+ 环境]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13291049</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13291049</guid><author>u012155751</author><pubDate>Mon, 28 Oct 2013 12:38:42 +0800</pubDate><description><![CDATA[#pandaboard es 
#angstrom 网络编译
#内核 3.4.0
#rootfs：sd卡
#显示设备：hdmi


angstrom系统本身默认是支持gtk+的，不用像一般的嵌入式系统一样进行大量的移植工作。只需要利用命令安装一些软件包就行了。


利用命令
opkg list gtk* 查看可用的于gtk相关的软件包。
然后利用
opkg install]]></description><category></category></item><item><title><![CDATA[ubuntu12.04 中配置快捷键]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13022761</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13022761</guid><author>u012155751</author><pubDate>Fri, 25 Oct 2013 17:02:10 +0800</pubDate><description><![CDATA[安装gconf-editor（配置编辑器）软件，


终端输入sudo apt-get install gconf-editor
打开软件：
终端输入gconf-editor


选择“Apps->Metacity->Global keybingdings]]></description><category></category></item><item><title><![CDATA[ubuntu12.04  tftp 服务器配置使用]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13022505</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13022505</guid><author>u012155751</author><pubDate>Fri, 25 Oct 2013 16:44:15 +0800</pubDate><description><![CDATA[ubuntu12.04配置使用tftp服务器


1.sudo apt-get install tftpd tftp openbsd-inetd
2.sudo  gedit /etc/inetd.conf
#修改如下文件
tftp  dgram udp wait nobody  /usr/sbin/tcpd /usr/sbin/in.tftpd   /tftpboot
3.sudo ]]></description><category></category></item><item><title><![CDATA[ubuntu12.04  nfs 服务器的配置]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13020793</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13020793</guid><author>u012155751</author><pubDate>Fri, 25 Oct 2013 15:08:11 +0800</pubDate><description><![CDATA[ubuntu12.04配置使用nfs服务器
1、安装
sudo
 apt-get install nfs-kernel-server
2、修改配置文件/etc/exports
vi /etc/exports
在开始部分写入
/nfs/pandaboard/rootfs  192.168.1.138(rw,sync,no_root_squash,no_subtree_check)
]]></description><category></category></item><item><title><![CDATA[ubuntu12.04 samba 服务器的配置]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/13020453</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/13020453</guid><author>u012155751</author><pubDate>Fri, 25 Oct 2013 14:57:55 +0800</pubDate><description><![CDATA[http://wiki.ubuntu.org.cn/Samba
Samba
出自Ubuntu中文
Samba是Ubuntu和Windows进行网络共享的工具，比如分享打印机，互相之间传输资料文件。

安装Samba
安装samba
sudo apt-get install samba


 Kubuntu
安装系统设置的共享模块
sudo apt-get install kd]]></description><category></category></item><item><title><![CDATA[V4L2命令之 VIDIOC_STREAMON, VIDIOC_STREAMOFF]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/12977483</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/12977483</guid><author>u012155751</author><pubDate>Wed, 23 Oct 2013 19:57:34 +0800</pubDate><description><![CDATA[http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-streamon.html

Name
VIDIOC_STREAMON, VIDIOC_STREAMOFF — Start or stop streaming I/O


Synopsis




int
ioctl(
int 
fd, 




int 
re]]></description><category></category></item><item><title><![CDATA[V4L2命令之 VIDIOC_QUERYCTRL, VIDIOC_QUERYMENU]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/12972809</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/12972809</guid><author>u012155751</author><pubDate>Wed, 23 Oct 2013 17:56:44 +0800</pubDate><description><![CDATA[http://linuxtv.org/downloads/v4l-dvb-apis/vidioc-queryctrl.html

Name
VIDIOC_QUERYCTRL, VIDIOC_QUERYMENU — Enumerate controls and menu control items


Synopsis




int 
ioctl(
int fd,]]></description><category></category></item><item><title><![CDATA[V4L2命令之 VIDIOC_G_CTRL, VIDIOC_S_CTRL]]></title><link>https://blog.youkuaiyun.com/u012155751/article/details/12971861</link><guid>https://blog.youkuaiyun.com/u012155751/article/details/12971861</guid><author>u012155751</author><pubDate>Wed, 23 Oct 2013 15:59:14 +0800</pubDate><description><![CDATA[点击打开链接

Name
VIDIOC_G_CTRL, VIDIOC_S_CTRL — Get or set the value of a control


Synopsis




int 
ioctl(
int fd, 




int request, 




struct v4l2_control*argp);]]></description><category></category></item></channel></rss>