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<div> = '''文档说明(document instruction)''' = ---- == '''系统环境说明(system environment instruction)''' == *编译主机CPU架构:64位 <br> <span style="background:#CCCCCC">CUP architeture of host used for compilation:64bit</span><br> *编译主机系统:Linux <br> <span style="background:#CCCCCC">CUP architeture of host used for compilation:64bit</span><br> *Linux发行版:Ubuntu <br> <span style="background:#CCCCCC">Linux release verson:Ubuntu</span><br> *Ubuntu版本类型:服务器版 <br> <span style="background:#CCCCCC">Ubuntu version type: saver veresion</span><br> *Ubuntu版本号:12.04.5 <br> <span style="background:#CCCCCC">Ubuntu version no.:12.04.5</span><br> *Ubuntu系统类型:x86-64 <br> <span style="background:#CCCCCC">Ubuntu system type:x86-64</span><br> <span style="color:red">注意:开发主机请使用ubuntu 12.04.5 x86-64(桌面版或服务器版均可),使用其他发行版的Linux或Ubuntu的其它版本可能会遇到的不必要的问题。 <br> <span style="background:#CCCCCC">Note: The development host should use ubuntu 12.04.5 x86-64(desktop and server version are available),Using other distribution of Linux and other versions of Ubuntu may encounter unnecessary problems</span><br> == '''操作说明 (operation instruction)''' == 1)文档中以“$”开头的行,其后是Linux命令。 <br> <span style="background:#CCCCCC">The line in the document which begins with “$”,which is followed by the Linux command.</span><br> 2)文档中所有的Linux命令建议手动输入到Linux主机执行(直接复制、粘贴到Linux主机上执行,可能会执行失败)。 <br> <span style="background:#CCCCCC">All the Linux commands in the document are recommended to be entered into the host manually for execution.(Copying ,pasting to the host directly to execute may fail)</span><br> 3)文档中的Linux执行命令,如果空格后的下一个字符是“-”的(如:sudo apt-get –y install之类的),请手动输入到Linux主机执行(直接复制、粘贴到Linux主机上执行,通常会执行失败)。 <br> <span style="background:#CCCCCC">In all the Linux execution commands of the document,if the next character after the space is "-",(example:sudo apt-get –y install),please enter into Linux host to execute manually.(Copying ,pasting to the host directly to execute may fail )</span><br> 4)文档中所有一行没写完的Linux命令请手动输入到Linux主机执行,(因为复制、粘贴命令不能包含类似“换行符”之类的特殊字符)。 <br> <span style="background:#CCCCCC">any line of Linux commands whichi is not finished is recommended to be entered into the host for execution. (Because copy or paste commands cannot contain special character such as "line breaks")</span><br> 5)按文档输入并执行Linux命令时注意观察命令的执行结果与文档图片中的是否一致,以确认命令是否输入有误及是否执行失败。 <br> <span style="background:#CCCCCC">Note whether the execution result is consistent with the document image when you enter and execute the command. check the command was entered incorrectly or failed to execute.</span><br> 6)第一遍编译请严格按照文档进行,否则可能出现莫名其妙的错误。<br> <span style="background:#CCCCCC">Please follow the document strictly to compile for the first time.Otherwise ,there may be unexpected error</span><br> == '''截图说明(screenshots instruction)''' == 为使视图看起来简洁整齐,截图中的命令提示符统一使用myzr$。<br> <span style="background:#CCCCCC">To make the view look neat and tidy , the command prompt in the screenshot should use myzr$ uniformly</span><br> == '''图片中的Linux命令(Linux command in the image)''' == 在文档的图片中观察“linyn@u12045-serv:~$”开头的行可以直观的看到输入的linux命令。<br> <span style="background:#CCCCCC">In the image of the document, you can see the input Linux command visually from the lines that start with “linyn@u12045-serv:~$”。</span><br> = '''准备源码及相关文件(prepare source code and relevant files)''' = ---- == '''源码文件(source code)''' == 评估板对应的Linux版本及对应的源码文件见下表:<br> <span style="background:#CCCCCC">The corresponding Linux version of the evaluation board and the corresponding source code files are shown in the table below:</span><br> {| class="wikitable" !评估板型号<br>(evaluation board model) !支持的系统版本<br>(system version supported) !u-boot源码文件<br>(source code) !linux源码文件<br>(source code) |- |MY-IMX28-EVK ||Linux-2.6.35 ||u-boot-2009.08.tar.bz2<br>imx-bootlets-src-10.12.01.tar.bz2||linux-2.6.35.3.tar.bz2 |- |} == '''交叉编译工具文件(cross compilation tool file)''' == Linux程序交叉编译工具:gcc-4.4.4-glibc-2.11.1-multilib-1.0.tar.bz2<br> <span style="background:#CCCCCC">Linux program cross compilation tool:gcc-4.4.4-glibc-2.11.1-multilib-1.0.tar.bz2</span><br> Linux交叉编译工具配置文件:gcc-4.4.4-glibc-2.11.1-multilib-env<br> <span style="background:#CCCCCC">Linux cross compilation tool configuration file:gcc-4.4.4-glibc-2.11.1-multilib-env</span><br> == '''创建工作目录(creat working directory)''' == 1)源码目录<br> <span style="background:#CCCCCC">source code directory</span><br> $ mkdir -p ~/my-imx28/02_source<br> [[文件:IMX28_2635_build_2.3.0.1.png]]<br> 2)工具目录<br> <span style="background:#CCCCCC">tool directory</span><br> $ mkdir -p ~/my-imx28/03_tools<br> [[文件:IMX28_2635_build_2.3.0.2.png]]<br> 3)镜像目录<br> <span style="background:#CCCCCC">image directory</span><br> $ mkdir -p ~/my-imx28/04_image<br> [[文件:IMX28_2635_build_2.3.0.3.png]]<br> 4)应用程序目录<br> <span style="background:#CCCCCC">application directory</span><br> $ mkdir -p ~/my-imx28/01_application<br> [[文件:IMX28_2635_build_2.3.0.4.png]]<br> = '''准备开发环境(prepare development environment)''' = ---- == '''更新主机的源列表(update source list of host)''' == $ sudo apt-get update <br> [[文件:IMX28_2635_build_3.1.0.1.png]]<br> 更新完成后如下图所示:<br> <span style="background:#CCCCCC">it looks like below after the update</span><br> [[文件:IMX28_2635_build_3.1.0.2.png]]<br> == '''安装aptitude包管理工具和ia32-libs(install management tool of aptitude package and ia32-libs)''' == 提示:如果编译主机的Linux是32位的,可以跳过此步骤。<br> <span style="background:#CCCCCC">tips: if Linux of compilation host is 32bit,then you can skip this step</span><br> === 安装aptitude包管理工具(install management tool of aptitude package)=== $ sudo apt-get -y install aptitude <br> [[文件:IMX28_2635_build_3.2.1.1.png]]<br> 提示:上图为安装过aptitude后,再次执行安装命令的截图。<br> <span style="background:#CCCCCC">tips: the above image is the screenshots after re-execution of installation command when intallation of aptitude was completed</span><br> === 使用aptitude安装ia32-libs(install ia32-libs with aptitude)=== $ sudo aptitude -y install ia32-libs <br> [[文件:IMX28_2635_build_3.2.2.1.png]]<br> 提示:上图为安装过aptitude和ia32-libs后,再次执行安装命令的截图。<br> <span style="background:#CCCCCC">tips: the above image is the screenshots after re-execution of installation command when intallation of aptitude and ia32-libs was completed</span><br> == '''安装mkimage工具(install mkimage tool)''' == $ sudo apt-get -y install uboot-mkimage <br> 提示:下图为安装过mkimage工具后,再次执行安装命令的截图。<br> <span style="background:#CCCCCC">tips: the following image is the screenshots after re-execution of installation command when intallation of mkimage was completed</span><br> [[文件:IMX28_2635_build_3.3.0.1.png]]<br> == '''安装ncurses-dev(install ncurses-dev)''' == make menuconfig对其具有依赖性质<br> <span style="background:#CCCCCC">make menuconfig is dependant to it</span><br> $ sudo aptitude -y install ncurses-dev <br> [[文件:IMX28_2635_build_3.4.0.1.png]]<br> 提示:上图为安装过ncurses-dev工具后,再次执行安装命令的截图。<br> <span style="background:#CCCCCC">tips: the above image is the screenshots after re-execution of installation command when intallation of ncurses-dev was completed</span><br> = '''安装配置交叉编译工具链(install and configure cross compiler tool chain)''' = ---- == '''安装Linux交叉编译工具链(install cross compilation tool chain)''' == 1)进入交叉编译工具链目录<br> <span style="background:#CCCCCC">enter cross compilation tool chain diretory</span><br> $ cd ~/my-imx28/03_tools/<br> 2)复制Linux交叉编译工具到目录<br> <span style="background:#CCCCCC">copy Linux cross compilation tool to directory</span><br> 将gcc-4.4.4-glibc-2.11.1-multilib-1.0.tar.bz2复制到“~/my-imx28/03_tools”,这一步自己采取相应的方式完成。<br> <span style="background:#CCCCCC">copy gcc-4.4.4-glibc-2.11.1-multilib-1.0.tar.bz2 to“~/my-imx28/03_tools”,this step should be done in your own way</span><br> 3)解压Linux交叉编译工具<br> <span style="background:#CCCCCC">decompress Linux cross compilation tool</span><br> $ tar jxf gcc-4.4.4-glibc-2.11.1-multilib-1.0.tar.bz2<br> [[文件:IMX28_2635_build_4.1.0.1.png]]<br> 4)复制交叉编译工具配置文件<br> <span style="background:#CCCCCC">copy congigured file of cross compilation tool</span><br> 将gcc-4.4.4-glibc-2.11.1-multilib-env复制到“~/my-imx28/03_tools”,这一步自己采取相应的方式完成。<br> <span style="background:#CCCCCC">copy gcc-4.4.4-glibc-2.11.1-multilib-env to“~/my-imx28/03_tools”,this step should be done in your own way</span><br> 5)检查安装<br> <span style="background:#CCCCCC">check installation</span><br> $ source gcc-4.4.4-glibc-2.11.1-multilib-env<br> $ ${CROSS_COMPILE}gcc –v<br> [[文件:IMX28_2635_build_4.1.0.2.png]]<br> = '''U-Boot编译(U-Boot compilation)''' = ---- == '''准备编译(prepare compilation)''' == === 复制源码包到开发主机中(copy source code package to development host)=== 将下载的“u-boot源码”复制到Linux开发主机的“~/my-imx28/02_source”。<br> <span style="background:#CCCCCC">copy“u-boot source code”downloaded to “~/my-imx28/02_source”of Linux development host</span><br> 这一步自己采取相应的方式完成。<br> <span style="background:#CCCCCC">this step should be done in your own way</span><br> === 解压u-boot源码包(decompress u-boot source code)=== $ cd ~/my-imx28/02_source/<br> $ tar jxf u-boot-2009.08.tar.bz2<br> $ tar jxf imx-bootlets-src-10.12.01.tar.bz2<br> [[文件:IMX28_2635_build_5.1.2.1.png]]<br> == '''编译(compile)''' == === 使编译配置文件生效(validate configured file of compilation)=== $ source ~/my-imx28/03_tools/gcc-4.4.4-glibc-2.11.1-multilib-env<br> [[文件:IMX28_2635_build_5.2.1.1.png]]<br> === 进入u-boot源码目录(enter u-boot source code directory)=== $ cd ~/my-imx28/02_source/u-boot-2009.08<br> [[文件:IMX28_2635_build_5.2.2.1.png]]<br> === 清除u-boot临时文件(remove u-boot temporary file)=== $ make distclean <br> [[文件:IMX28_2635_build_5.2.3.1.png]]<br> === 配置u-boot(configure)=== {| class="wikitable" !评估板主型号<br>(evaluation board main model) !CPU类型-内存容量<br>(CPU type--momery capacity) !对应的u-boot配置<br>(corresponding configuration of u-boot) |- |MY-IMX28-EVK ||MX283/7, 128M ||mx28_evk_config |} *MY-IMX28-EVK配置示例:<br> <span style="background:#CCCCCC">example for configuration of MY-IMX28-EVK</span><br> $ make mx28_evk_config <br> [[文件:IMX28_2635_build_5.2.4.1.png]]<br> === 执行编译(execute compilation)=== $ make <br> 提示:这里为了提高编译速度,在make后面加了“-j4”。这里编译的Linux主机是双核4线程的,所以“-j”后面用了4,也就是采用4线程编译。“-j”后面的数字可以根据系统资源分配,但是不应该超过编译主机最大支持的线程数。<br> <span style="background:#CCCCCC">Tips:To speed up the compilation,add "-j4" after make.The Linux host used to compile is dual-core ,4 threads .So "-j" is followed by 4, which takes 4 threads to compile. The number behind "-j" is allocated based on system resources,but It should not exceed the maximum threads the host support.</span><br> [[文件:IMX28_2635_build_5.2.5.1.png]]<br> *编译imx28_ivt_uboot.sb<br> <span style="background:#CCCCCC">compile imx28_ivt_uboot.sb</span><br> 提示:imx28_ivt_uboot.sb是烧写的镜像。<br> <span style="background:#CCCCCC">tips: imx28_ivt_uboot.sb is the image programmed</span><br> $ cp u-boot ../imx-bootlets-src-10.12.01<br> $ cd ../imx-bootlets-src-10.12.01/<br> $ sudo cp elftosb /usr/bin/<br> $ ./build<br> [[文件:IMX28_2635_build_5.2.5.2.png]]<br> == '''目标文件(target file)''' == *编译文件<br> <span style="background:#CCCCCC">compile file</span><br> 编译完成后通过ls命令即可看到编译得到的文件imx28_ivt_uboot.sb<br> <span style="background:#CCCCCC">you can get the compiled file imx28_ivt_uboot.sb with ls command after compilation.</span><br> $ ls <br> [[文件:IMX28_2635_build_5.3.0.1.png]]<br> *目标文件<br> <span style="background:#CCCCCC">target file</span><br> MY-IMX28系列评估板的u-boot配置对应的目标文件名见下表:<br> <span style="background:#CCCCCC">The corresponding name of target file for u-boot configuration of MY-IMX28 series evaluation board is shown in the table below:</span><br> {| class="wikitable" !u-boot配置<br>(u-boot configuration) !目标文件<br>(target file) |- |mx28_evk_config ||imx28_ivt_uboot.sb |} = '''编译内核(compile kernel)''' = ---- == '''准备编译(prepare compilation)''' == === 复制源码包到开发主机中(copy source code package to the development host)=== 将下载的“linux源码”复制到Linux开发主机的“~/my-imx28/02_source”。<br> <span style="background:#CCCCCC">copy“linux source code” to “~/my-imx28/02_source”of Linux development host</span><br> 这一步自己采取相应的方式完成。<br> <span style="background:#CCCCCC">this step should be done in your own way</span><br> === 解压linux源码包(decompress Linux source code package)=== $ cd ~/my-imx28/02_source/<br> $ tar jxf linux-2.6.35.3.tar.bz2<br> [[文件:IMX28_2635_build_6.1.2.1.png]]<br> == '''内核编译配置(configuration of kernel compilation)''' == === 使编译配置文件生效(validate configured file of compilation)=== $ source ~/my-imx28/03_tools/gcc-4.4.4-glibc-2.11.1-multilib-env<br> [[文件:IMX28_2635_build_6.2.1.1.png]]<br> === 清除内核临时文件(remove kernel temporary file)=== *进入linux源码目录<br> <span style="background:#CCCCCC">enter Linux source code directory</span><br> $ cd ~/my-imx28/02_source/linux-2.6.35.3<br> [[文件:IMX28_2635_build_6.2.2.1.png]]<br> *清除临时文件<br> <span style="background:#CCCCCC">remove temporary file</span><br> $ make distclean <br> [[文件:IMX28_2635_build_6.2.2.2.png]]<br> === 内核配置(kernel configuration)=== $ cp .mx28_config .config <br> [[文件:IMX28_2635_build_6.2.3.1.png]]<br> == '''编译内核(compile kernel)''' == *执行编译 <br> <span style="background:#CCCCCC">execute compilation</span><br> $ make zImage -j4 <br> [[文件:IMX28_2635_build_6.3.0.1.png]]<br> *编译完成<br> <span style="background:#CCCCCC">complete compilation</span><br> [[文件:IMX28_2635_build_6.3.0.2.png]]<br> *目标文件 <br> <span style="background:#CCCCCC">target file</span><br> arch/arm/boot/uImage即为编译得到的内核文件,使用ls命令可查看文件信息。<br> <span style="background:#CCCCCC">arch/arm/boot/uImage is the kernel file compiled,you can check the file information with ls command</span><br> $ ls arch/arm/boot/uImage -la <br> [[文件:IMX28_2635_build_6.3.0.3.png]]<br> == '''编译模块 (compile module)''' == *编译模块命令 <br> <span style="background:#CCCCCC">command of module compilation</span><br> $ make modules<br> [[文件:IMX28_2635_build_6.4.0.1.png]]<br> *安装模块到指定目录<br> <span style="background:#CCCCCC">install module to specified directory</span><br> $ make modules_install INSTALL_MOD_PATH=./modules<br> [[文件:IMX28_2635_build_6.4.0.2.png]]<br> *打包模块文件<br> <span style="background:#CCCCCC">package module file</span><br> $ cd modules<br> $ tar cjf ../modules.tar.bz2 *<br> [[文件:IMX28_2635_build_6.4.0.3.png]]<br> = '''应用程序编译(compile application)''' = ---- == '''Linux应用程序编译(compilation of Linux application)''' == === 编写应用程序 (write application)=== *进入工作目录<br> <span style="background:#CCCCCC">enter working directory</span><br> $ cd ~/my-imx28/01_application/<br> [[文件:IMX28_2635_build_7.1.1.1.png]]<br> *编写源代码<br> <span style="background:#CCCCCC">write source code</span><br> $ vim hello.c <br> 写入以下代码并保存 <br> <span style="background:#CCCCCC">write and save the following code</span><br> #include <stdio.h> <br> int main(int argc, char **argv) <br> { <br> printf("Hello, MYZR!\n"); <br> return; <br> } <br> *查看代码 <br> <span style="background:#CCCCCC">view code</span><br> $ cat hello.c <br> [[文件:IMX28_2635_build_7.1.1.2.png]]<br> === 编译应用程序 (compile application)=== *配置环境变量<br> <span style="background:#CCCCCC">configure environment variables</span><br> $ source ~/my-imx28/03_tools/gcc-4.4.4-glibc-2.11.1-multilib-env<br> [[文件:IMX28_2635_build_7.1.2.1.png]]<br> *编译 <br> <span style="background:#CCCCCC">compile</span><br> $ ${CROSS_COMPILE}gcc hello.c -o hello.out <br> [[文件:IMX28_2635_build_7.1.2.2.png]]<br> 注意:上面的命令有包含“$”号,即“${CROSS_COMPILE}gcc”,是引用我们source时产生的环境变量。 <br> <span style="background:#CCCCCC">Note:The above command contains “$”,which is “${CROSS_COMPILE}gcc”. It is the environment variable generated when referring to our source.</span><br> *目标文件 <br> <span style="background:#CCCCCC">target file</span><br> $ file hello.out <br> [[文件:IMX28_2635_build_7.1.2.3.png]]<br> 可以看到目标文件 hello.out 的属性。<br> <span style="background:#CCCCCC">you can see the property of target file hello.out</span><br> = '''文件系统(file system)''' = ---- == '''文件系统rootfs.tar.bz2(file system rootfs.tar.bz2)''' == 用以下的方式增加自己的应用:(把MY-IMX28_Born_Tool\Profiles\MX28 Linux Update\OS Firmware\files\image-linux-2635/rootfs.tar.bz2复制到“~/my-imx28/04_image/”目录下)。<br> <span style="background:#CCCCCC">add your own application in following ways:( copy MY-IMX28_Born_Tool\Profiles\MX28 Linux Update\OS Firmware\files\image-linux-2635/rootfs.tar.bz2 to the directory of “~/my-imx28/04_image/”)</span><br> [[文件:IMX28_2635_build_8.1.0.1.png]]<br> == '''文件系统rootfs.ubifs(file system rootfs.ubifs)''' == 复制mkfs.ubifs,ubinize到电脑的“/usr/bin”目录下(如果电脑有这两个应用就不需要复制了);复制build_rootfs和ubinize.cfg到“~/my-imx28/04_image/”目录。<br> <span style="background:#CCCCCC">copy mkfs.ubifs,ubinize to“/usr/bin”directory of computer(copy is not needed if the computer has these two applications);copy build_rootfs和ubinize.cfg to“~/my-imx28/04_image/”directory</span><br> [[文件:IMX28_2635_build_8.2.0.1.png]]<br> = '''烧写方式(way of programming)''' = ---- 至此,我们在“~/my-imx28/02_source/”得到了除文件系统以外的一套烧录文件。包括“imx28_ivt_uboot.sb”、“uImage”、“rootfs.tar.bz2”。<br> <span style="background:#CCCCCC">so far,we get a set of programming files except file system from“~/my-imx28/02_source/”,including“imx28_ivt_uboot.sb”、“uImage”、“rootfs.tar.bz2”</span><br> == '''使用MFGTOOL烧写(program with MFGTOOL)''' == 把文件“imx28_ivt_uboot.sb”、“uImage”、“rootfs.tar.bz2复制到“MY-IMX28_Born_Tool\Profiles\MX28 Linux Update\OS Firmware\files\image-linux-2635”目录下。按住REC按键,插上MINI USB线和电源线,接着打开MfgTool.exe,点击“扫描设备”,检测到HID设备时,松开REC按键,如下所示:<br> <span style="background:#CCCCCC">copy “imx28_ivt_uboot.sb”、“uImage”、“rootfs.tar.bz2 to the directory of “MY-IMX28_Born_Tool\Profiles\MX28 Linux Update\OS Firmware\files\image-linux-2635”。hold REC key,plug in MINI USB line and power line,then open MfgTool.exe,click"scan device",release REC key when HID device is detected,as below:</span><br> [[文件:IMX28_2635_build_9.1.0.1.png]]<br> <br> 点击菜单的“Options”,然后在选项“Profiles”选择“MY-IMX28-2.6.35 NAND with uboot”,接着点击“确定”,最后点击“开始”。<br> <span style="background:#CCCCCC">click"Options" in the menu,select “MY-IMX28-2.6.35 NAND with uboot”in the option “Profiles”,then click"Enter",finally click"start"</span><br> [[文件:IMX28_2635_build_9.1.0.2.png]]<br> 烧写成功后,点击“停止”就OK了。<br> <span style="background:#CCCCCC">when programming is succeeded,click"stop",to finish</span><br> <span style="background:red">注意:如果你用的文件系统是rootfs-qt.tar.bz2,请选择“QT-MY-IMX28-2.6.35 NAND with uboot”烧写镜像。<br> <span style="background:#CCCCCC">note: if the file system you are using is rootfs-qt.tar.bz2,please choose “QT-MY-IMX28-2.6.35 NAND with uboot”as programming image</span><br> == ''' 使用网络烧写(program via network)''' == === 搭建TFTP (ubuntu系统)(establish TFTP (ubuntu system))=== (1) Setup tftp server files (下载并安装tftp)<br> <span style="background:#CCCCCC">Setup tftp server files (download and isntall tftp)</span><br> $ sudo apt-get install tftpd tftp openbsd-inetd<br> (2) make a tftp directory (新建tftp目录和改变其属性)<br> <span style="background:#CCCCCC">make a tftp directory (establish tftp diretory and change its property</span><br> Here we make /home/myzr/tftpt be a tftp directory.<br> $ mkdir /home/myzr/tftp<br> $ chmod 777 /home/myzr/tftp<br> (3) Open /etc/inetd.conf and edit it (修改配置文件的tftp目录)<br> <span style="background:#CCCCCC">Open /etc/inetd.conf and edit it (modify tftp directory of congigured file)</span><br> $ sudo gedit /etc/inetd.conf<br> Coment this line :<br> #tftp dgram udp wait nobody /usr/sbin/tcpd /usr/sbin/in.tftpd /srv/tftp<br> Add new line:<br> tftp dgram udp wait nobody /usr/sbin/tcpd /usr/sbin/in.tftpd /home/myzr/tftp<br> (4)Restarting tftp service (重启tftp)<br> <span style="background:#CCCCCC">Restarting tftp service (reboot tftp)</span><br> $ sudo /etc/init.d/openbsd-inetd restart<br> === 搭建NFS (网络烧写不需要用到nfs)( establish NFS (nfs is not needed for network programming))=== (1) Install NFS server package (下载并安装nfs)<br> <span style="background:#CCCCCC">Install NFS server package (download and isntall nfs)</span><br> $ sudo apt-get install nfs-kernel-server<br> (2) Create NFS directory:/home/myzr/nfsroot (新建nfs目录)<br> <span style="background:#CCCCCC">Create NFS directory:/home/myzr/nfsroot (establish nfs directory)</span><br> $ mkdir /home/myzr/nfsroot<br> (3) Configure mounted directory and authority (修改配置文件的nfs目录)<br> <span style="background:#CCCCCC">Configure mounted directory and authority (modify nfs directory of configured file)</span><br> $ sudo gedit /etc/exports<br> Add the following line at the end of the file:<br> /home/myzr/nfsroot *(rw,sync,no_root_squash)<br> (4) Restart the NFS service (重启nfs)<br> <span style="background:#CCCCCC">Restart the NFS service (reboot nfs)</span><br> $ sudo /etc/init.d/portmap restart<br> $ sudo /etc/init.d/nfs-kernel-server restart<br> === tftp下载(download of tftp)=== (1) 把“uImage”和“rootfs.ubifs”复制到“/home/myzr/tftp”目录下。<br> <span style="background:#CCCCCC">copy“uImage” and “rootfs.ubifs”to“/home/myzr/tftp”directory</span><br> (2) 设置环境变量(板子和电脑网线直连)<br> <span style="background:#CCCCCC">set environment variables(directly connect the board and computer)</span><br> $ setenv ipaddr 192.168.3.104 (板子IP)<br> <span style="background:#CCCCCC"></span><br> $ setenv serverip 192.168.3.110 (电脑IP)<br> <span style="background:#CCCCCC"></span><br> (3) 烧写<br> <span style="background:#CCCCCC">programme</span><br> $ run upkernel (烧写uImage)<br> <span style="background:#CCCCCC">$ run upkernel (programme uImage)</span><br> <br> [[文件:IMX28_2635_build_9.2.3.1.png]]<br> <br> $ run upsystem (烧写文件系统)<br> <span style="background:#CCCCCC">$ run upsystem (programme file system)</span><br> <br> [[文件:IMX28_2635_build_9.2.3.2.png]]<br> <br> = '''登录方式(login way)''' = ---- == '''串口登录(login via serial port)''' == 插上USB转串口线和电源,开机后,差不多12秒后,在终端上敲回车键可以进入系统。<br> <span style="background:#CCCCCC">plug in USB to serial port line and power supply,in about 12 seconds after machine starting,click Enter key to enter system</span><br> <br> [[文件:IMX28_2635_build_10.1.0.1.png]]<br> <br> == '''ssh登录(login via ssh)''' == === '''以太网登录(login via ethernet)''' === 插上网线和电源,开机后,差不多10秒后,可以软件SecureCRT登录,板子默认以太网的IP为192.168.3.104,你可以设置电脑的IP为192.168.3.110,然后配置SecureCRT,输入用户名是root,密码myzr。如下图:<br> <span style="background:#CCCCCC">plug in lan line and power supply, in about 10 seconds after machine starting,login via software SecureCRT,defaulted IP of ethernet by board is 192.168.3.104,you can set IP of computer as 192.168.3.110,then configure SecureCRT,enter root as user name and myzr as password, as blow:</span><br> [[文件:IMX28_2635_build_10.2.1.1.png]]<br> 输入完后,点击”OK“就登录完成。<br> <span style="background:#CCCCCC">after entering, click"OK" to complete login</span><br> === '''USB登录(USB可识别成网口)(login via USB(USB can be identified as network port))''' === 插上MINI USB线,开机后,差不多10秒后,可以软件SecureCRT登录。<br> <span style="background:#CCCCCC">plug in MINI USB line,in about 10 seconds after machine starting,login through software SecureCRT</span><br> 加载驱动和设置IP,如下:<br> <span style="background:#CCCCCC">add driving and set IP, as below:</span><br> <br> [[文件:IMX28_2635_build_10.2.2.1.png]]<br> <br> 板子USB的IP为192.168.4.104,你可以设置电脑的IP为192.168.4.110,然后配置SecureCRT,输入用户名是root,密码myzr。如下图:<br> <span style="background:#CCCCCC">IP of USB of the board is 192.168.4.104,you can set IP of computer as 192.168.4.110,then configure SecureCRT,enter root as user name and myzr as password。as below:</span><br> 输入完后,点击”OK“就登录完成。<br> <span style="background:#CCCCCC">after entering, click"OK" to complete login</span><br> = '''测试(test)''' = ---- == '''USB测试(USB test)''' == 直接插上U盘,挂载后可看到U盘的内容。(不是QT系统,会自动挂载)<br> <span style="background:#CCCCCC">directly insert U disk,you can see the content of U disk after mounting,(if it is not QT system,mounting will be automatic)</span><br> <br> [[文件:IMX28_2635_build_11.1.0.1.png]]<br> <br> == '''SD卡测试(SD card test)''' == 直接插上SD卡,挂载后可看到SD卡的内容。(不是QT系统,会自动挂载)<br> <span style="background:#CCCCCC">directly insert SD card,you can see the content of U SD card after mounting,(if it is not QT system,mounting will be automatic)</span><br> <br> [[文件:IMX28_2635_build_11.2.0.1.png]]<br> <br> == '''以太网测试(ethernet test)''' == 插上网线,直接用ping命令测试eth0和eth1网口。默认eth0的IP为192.168.3.104,我设置eth1为192.168.3.105。如下:<br> <span style="background:#CCCCCC">insert lan line, test eth0 and eth1 with ping command directory,defaulted IP of eth0 is 192.168.3.104,let's set IP of eth1 as 192.168.3.105,as below:</span><br> <br> [[文件:IMX28_2635_build_11.3.0.1.png]]<br> <br> == '''uart串口测试( test of uart serial port)''' == 串口uat0的设备ttySP0,串口uat3的设备ttySP3。测试时,请短接发管脚。<br> <span style="background:#CCCCCC">device of serial port uat0 is ttySP0, device of serial port uat3 is ttySP3,please short connect pins in the test</span><br> <br> [[文件:IMX28_2635_build_11.4.0.1.png]]<br> <br> <br> [[文件:IMX28_2635_build_11.4.0.2.png]]<br> <br> == '''gpio测试(gpio test)''' == GPIO_2_26已经在驱动配置为GPIO功能了,下面以管脚GPIO_2_26为例,计算GPIO_2_26的管脚号为2*32+26=90,测试如下:<br> <span style="background:#CCCCCC">GPIO_2_26 is already configured as GPIO function in driving,below is taking GPIO_2_26 as an example to figure out the pin no. of GPIO_2_26 is 2*32+26=90,test as below:</span><br> <br> [[文件:IMX28_2635_build_11.5.0.1.png]]<br> <br> == '''spi测试(spi test)''' == SPI接口为半双工模式,这里你只测发,通过示波器可观察到波形。方法一只发送0x55和0x75;方法二是发送字符串”myzr“。<br> <span style="background:#CCCCCC">SPI interface is half duplex mode,here you only test sending,you can view the wave shape through oscilloscope,one way is to send 0x55 and 0x75,another way is to send charater string ”myzr“</span><br> <br> [[文件:IMX28_2635_build_11.6.0.1.png]]<br> <br> == '''watdog测试(watdog test)''' == “看门狗”,全称Watchdog timer,是一个在软件出错的时候可以复位计算机系统的硬件定时器。通常一个用户空间守护进程会在正常的时间间隔内通过/dev/watchdog 特殊设备文件来通知内核的Watchdog驱动,用户空间一切正常。如果用户空间出现问题(如RAM 错误,内核BUG 等),则通知将会停止,然后硬件Watchdog 将在超时后复位系统。<br> <span style="background:#CCCCCC">"watchdog",the full name is Watchdog timer,is a hardware timer which can reset system of computer when there is an error in software.ususally in a normal time interval during a guading process of a user space,booting of Watchdog will be noticed to kernel through sepcial device file of /dev/watchdog,then everything in the user space is normal.</span><br> 测试程序中打开/dev/watchdog 设备文件,启动了Watchdog,每过一秒钟喂狗一次,系统不会重启。<br> <span style="background:#CCCCCC">open device file of /dev/watchdog in the test programme,start Watchdog,feed dog once a second,system won't reboot</span><br> <br> [[文件:IMX28_2635_build_11.7.0.1.png]]<br> <br> 测试程序中打开了/dev/watchdog 设备文件,启动Watchdog,程序进入循环状态,由于没有喂狗,30 秒后系统复位。<br> <span style="background:#CCCCCC">open device file of /dev/watchdog in the test programme,programme come into the cyccling condition,since there is not dog feeding,system will be resetted after 30 seconds</span><br> <br> [[文件:IMX28_2635_build_11.7.0.2.png]]<br> <br> </div>
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MYZR-IMX8M-EK300
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MYZR-IMX8Mmini-EK240(EN)
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MYZR-LS1012A-EK200(EN)
Rockchip平台:
MYZR-RK3288-EK314
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Allwinner平台:
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