<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[jack_a8的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jack_a8</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jack_a8]]></copyright><item><title><![CDATA[Markdown]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/128815753</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/128815753</guid><author>jack_a8</author><pubDate>Thu, 15 Aug 2024 22:23:31 +0800</pubDate><description><![CDATA[你好！ 这是你第一次使用 Markdown编辑器 所展示的欢迎页。如果你想学习如何使用Markdown编辑器, 可以仔细阅读这篇文章，了解一下Markdown的基本语法知识。我们对Markdown编辑器进行了一些功能拓展与语法支持，除了标准的Markdown编辑器功能，我们增加了如下几点新功能，帮助你用它写博客：撤销：Ctrl/Command + Z
重做：Ctrl/Command + Y
加粗：Ctrl/Command + B
斜体：Ctrl/Command + I
标题：Ctrl/Command + S]]></description><category></category></item><item><title><![CDATA[imx6 读取芯片唯一码]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/54585062</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/54585062</guid><author>jack_a8</author><pubDate>Tue, 17 Jan 2017 17:20:21 +0800</pubDate><description><![CDATA[cat /sys/fsl_otp/HW_OCOTP_CFG0
cat /sys/fsl_otp/HW_OCOTP_CFG1]]></description><category></category></item><item><title><![CDATA[在/external/tinyalsa/pcm.c 添加android log]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/54097724</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/54097724</guid><author>jack_a8</author><pubDate>Thu, 05 Jan 2017 20:29:32 +0800</pubDate><description><![CDATA[//////////////////////////////////////////////////////////////////////////// 
  #include 
   #define LOG_TAG "audio_hw_primary"
  
   #define  LOGI(...) __android_log_print(ANDROID_LOG_INFO, "MCA"]]></description><category></category></item><item><title><![CDATA[gcc 软连接]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/53862545</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/53862545</guid><author>jack_a8</author><pubDate>Sat, 24 Dec 2016 21:06:10 +0800</pubDate><description><![CDATA[以gcc-4.3和g++-4.3为例:
sudo apt-get install gcc-4.3 g++-4.3


之后进入/usr/bin:
cd /usr/bin


先删除和gcc4.4关联的gcc:
sudo rm gcc
sudo rm g++


再建个软连接
sudo ln -s gcc-4.3 gcc
sudo ln -s g++-4.3 g++
]]></description><category></category></item><item><title><![CDATA[android 文件系统升级 boot.img]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/52837573</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/52837573</guid><author>jack_a8</author><pubDate>Mon, 17 Oct 2016 11:53:58 +0800</pubDate><description><![CDATA[android 文件系统升级 boot.img]]></description><category></category></item><item><title><![CDATA[imx6打开mxc_v4l2_capture.c 中的pr_debug 方法]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50681059</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50681059</guid><author>jack_a8</author><pubDate>Wed, 17 Feb 2016 16:10:46 +0800</pubDate><description><![CDATA[git diff kernel_imx/drivers/media/video/mxc/capture/Makefile 
diff --git a/kernel_imx/drivers/media/video/mxc/capture/Makefile b/kernel_imx/drivers/media/video/mxc/capture/Makefile
index 7f8b168..53]]></description><category></category></item><item><title><![CDATA[imx6.内核Makefile编写]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50681007</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50681007</guid><author>jack_a8</author><pubDate>Wed, 17 Feb 2016 16:03:52 +0800</pubDate><description><![CDATA[KERNELDIR =/home/jack/jack-linux/android_hejia/Android4.4.2/kernel_imx


all:
#make -C $(KERNELDIR) M=`pwd` modules
make -C  $(KERNELDIR)  M=`pwd` modules ARCH=arm CROSS_COMPILE=/home/jack/jack-l]]></description><category></category></item><item><title><![CDATA[Android aidl Binder 机制学习]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50357404</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50357404</guid><author>jack_a8</author><pubDate>Sat, 19 Dec 2015 10:24:48 +0800</pubDate><description><![CDATA[1.  http://blog.youkuaiyun.com/yueliangniao1/article/details/7188549

2.    http://blog.youkuaiyun.com/lmj623565791/article/details/38461079]]></description><category></category></item><item><title><![CDATA[E9天嵌i.mx6q的nfs和tftp环境搭建]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50340779</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50340779</guid><author>jack_a8</author><pubDate>Thu, 17 Dec 2015 13:59:33 +0800</pubDate><description><![CDATA[硬件环境：E9卡片fressscal的i.mx6q,天嵌开发板
软件环境：ubuntu12.04


目的：
1.实现E9卡片i.mx6q的tftp下载uImage,从下载的uImage中加载内核，然后nfs挂载到虚拟机
2.实现E9卡骗i.mx6q从mmc中读取uImage，启动内核，然后nfs挂载到虚拟机。




两种方式提高嵌入式开发效率，一种方式是内核和文件经常修改]]></description><category></category></item><item><title><![CDATA[imx6 android 5.0 权限修改]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50160033</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50160033</guid><author>jack_a8</author><pubDate>Thu, 03 Dec 2015 14:12:51 +0800</pubDate><description><![CDATA[在uboot环境变量里面添加“androidboot.selinux=disabled”：
“setenv bootargs console=ttymxc0,115200 init=/init video=mxcfb0:dev=ldb,bpp=32 video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off vmalloc=400M androidboo]]></description><category></category></item><item><title><![CDATA[imx6 平台 mrval sd8797 蓝牙移值]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50159047</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50159047</guid><author>jack_a8</author><pubDate>Thu, 03 Dec 2015 13:01:58 +0800</pubDate><description><![CDATA[// 框架 // 
                        android server 
                                   |
                         android 中间框架
                                    |
                           libbt]]></description><category></category></item><item><title><![CDATA[杂记]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50158267</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50158267</guid><author>jack_a8</author><pubDate>Thu, 03 Dec 2015 11:28:01 +0800</pubDate><description><![CDATA[//wget命令:
wget http://192.168.1.200/jack-linux/linux-myrz/linux-2.6-imx-imx_3.0.35_4.1.0/arch/arm/boot/uImage          
dd if=uImage of=/dev/mmcblk0 bs=1M seek=1 conv=fsync




//多屏显示:
$ ./tw_]]></description><category></category></item><item><title><![CDATA[imx6 摄像头代码简析]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/50158009</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/50158009</guid><author>jack_a8</author><pubDate>Thu, 03 Dec 2015 11:10:03 +0800</pubDate><description><![CDATA[/*imx6摄像头部分代码分析*/


imx6代码结构.1
  
  app
   |
v4l2-dev.c(提供注册和应用app调用接口)
   |
mxc_v4l2_capture.c (执行IOCTRL命令)
   |
 ov5640.c  (执行真正摄像头硬件操作)


 ///////////////////////////////////////////]]></description><category></category></item><item><title><![CDATA[input子系统分析一]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/48952919</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/48952919</guid><author>jack_a8</author><pubDate>Wed, 07 Oct 2015 20:08:20 +0800</pubDate><description><![CDATA[内核的输入子系统是对分散的，多种不同类别的输入设备(如键盘，鼠标，跟踪球，操纵杆，触摸屏，加速计和手写板)等字符设备进行统一处理的一层抽象，就是在字符设备驱动上抽象出的一层。输入子系统包括两类驱动程序：事件驱动程序和设备驱动程序。事件驱动程序负责和应用程序的接口，而设备驱动程序负责和底层输入设备的通信。鼠标事件生成文件mousedev属于事件驱动程序，而PS/2鼠标驱动程序是设备驱动程序。事件驱动]]></description><category></category></item><item><title><![CDATA[常用命令备忘录]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/45045185</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/45045185</guid><author>jack_a8</author><pubDate>Tue, 14 Apr 2015 17:24:10 +0800</pubDate><description><![CDATA[网卡设置
ifconfig eth0 192.168.3.59 up
route add default gw 192.168.3.254 dev eth0
setprop net.dns1 202.96.128.166]]></description><category></category></item><item><title><![CDATA[android 应用开发]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/44937175</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/44937175</guid><author>jack_a8</author><pubDate>Wed, 08 Apr 2015 10:17:33 +0800</pubDate><description><![CDATA[http://www.jikexueyuan.com/course/android/?pageNum=5      //我的android 应用学习]]></description><category></category></item><item><title><![CDATA[编译常见错误解决]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/44625877</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/44625877</guid><author>jack_a8</author><pubDate>Wed, 25 Mar 2015 19:26:05 +0800</pubDate><description><![CDATA[make:警告：检测到时钟错误。您的创建可能是不完整的
 find . -type f -exec touch {} \;]]></description><category></category></item><item><title><![CDATA[BCM4330 WIFI 调试记录]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/44489543</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/44489543</guid><author>jack_a8</author><pubDate>Fri, 20 Mar 2015 12:09:20 +0800</pubDate><description><![CDATA[BCM4330 WIFI 调试记录




Part 1 
问：打开wifi，连接wifi热点，提示连接成功，但headbar上不显示wifi图标，back退出wifi设置，再进入，提示wifi已断开。
答：首先现象复现，当现象复现时进入adb shell，然后输入ifconfig 查看是否有wlan0 端口，然后在adb shell 中ping 192.168.1.101(嵌入式设]]></description><category></category></item><item><title><![CDATA[AT命令]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/44489407</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/44489407</guid><author>jack_a8</author><pubDate>Fri, 20 Mar 2015 11:54:27 +0800</pubDate><description><![CDATA[AT命令解释：




一、 AT命令解释：
1、常用操作
1.1 AT
命令解释：检测Module与串口是否连通，能否接收AT命令；
命令格式：AT
命令返回：OK (与串口通信正常)（无返回，与串口通信未连通）
测试结果：AT
          OK
1.2 AT+CSQ
命令解释：检查网络信号强度和SIM卡情况
命令格式：AT+CSQ
命令返回：+CSQ: ]]></description><category></category></item><item><title><![CDATA[ecplice 建立快捷方式]]></title><link>https://blog.youkuaiyun.com/jack_a8/article/details/43671015</link><guid>https://blog.youkuaiyun.com/jack_a8/article/details/43671015</guid><author>jack_a8</author><pubDate>Mon, 09 Feb 2015 14:59:23 +0800</pubDate><description><![CDATA[ecplice 建立快捷方式

在/usr/share/applications目录下使用如下命令建立一个程序菜单中的快捷方式：



[Desktop Entry]
Name=eclipse
Name[zh_CN]=安卓开发
Comment=android-Development
Keywords=Settings;Cleaning;Customization
Exec=/]]></description><category></category></item></channel></rss>