25 December, 2014

ubuntu14.04系统下uhd和gnuradio环境搭建

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1 票

打开终端，更新下源。

1. 首先安装依赖库，依赖库的版本不对就要走很多很多弯路了，下面一行代码让我走了多少弯路自行脑补。

sudo apt-get install libfontconfig1-dev libxrender-dev libpulse-dev swig g++ automake autoconf libtool python-dev libfftw3-dev libcppunit-dev libboost-all-dev libusb-dev libusb-1.0-0-dev fort77 libsdl1.2-dev python-wxgtk2.8 git-core libqt4-dev python-numpy ccache python-opengl libgsl0-dev python-cheetah python-lxml doxygen qt4-default qt4-dev-tools libusb-1.0-0-dev libqwt5-qt4-dev libqwtplot3d-qt4-dev pyqt4-dev-tools python-qwt5-qt4 cmake git-core wget libxi-dev python-docutils gtk2-engines-pixbuf r-base-dev python-tk liborc-0.4-0 liborc-0.4-dev libasound2-dev python-gtk2

sudo apt-get install libfontconfig1-dev libxrender-dev libpulse-dev swig g++ automake autoconf libtool python-dev libfftw3-dev libcppunit-dev libboost-all-dev libusb-dev libusb-1.0-0-dev fort77 libsdl1.2-dev python-wxgtk2.8 git-core libqt4-dev python-numpy ccache python-opengl libgsl0-dev python-cheetah python-lxml doxygen qt4-default qt4-dev-tools libusb-1.0-0-dev libqwt5-qt4-dev libqwtplot3d-qt4-dev pyqt4-dev-tools python-qwt5-qt4 cmake git-core wget libxi-dev python-docutils gtk2-engines-pixbuf r-base-dev python-tk liborc-0.4-0 liborc-0.4-dev libasound2-dev python-gtk2

2. 接下来安装uhd，首先下载，如果git命令不好使，就先安装git。

git clone git://github.com/EttusResearch/uhd.git

1	git clone git://github.com/EttusResearch/uhd.git

找到uhd目录，依次执行下面的命令：

cd uhd/host/
mkdir build
cd build
cmake ../
make
make test // 注：进行测试，一般会全部通过
sudo make install
sudo ldconfig

cd uhd/host/

mkdir build

cd build

cmake ../

make

make test // 注：进行测试，一般会全部通过

sudo make install

sudo ldconfig

下载uhd镜像。

sudo uhd_images_downloader

1	sudo uhd_images_downloader

3. 接下来安装gnuradio，首先下载。

git clone --recursive https://github.com/gnuradio/gnuradio.git

1	git clone --recursive https://github.com/gnuradio/gnuradio.git

完成后，找到目录，依次输入命令：

cd gnuradio/
mkdir build
cd build
cmake ../
make
make test //注：我安装的时候全部通过
sudo make install
sudo ldconfig

cd gnuradio/

mkdir build

cd build

cmake ../

make

make test //注：我安装的时候全部通过

sudo make install

sudo ldconfig

接下来配置volk，为volk选择最优的指令集，可做可不做。

volk_profile

1	volk_profile

配置grc关联文件。

/usr/local/libexec/gnuradio/grc_setup_freedesktop install

1	/usr/local/libexec/gnuradio/grc_setup_freedesktop install

到此为止，软件环境的搭建已经全部完成。下面的步骤看个人兴趣和需求。

4. 配置系统。

添加usrp用户组。

sudo /usr/sbin/groupadd usrp
sudo /usr/sbin/usermod -a -G usrp coder //注：以用户coder为例

1 2	sudo /usr/sbin/groupadd usrp sudo /usr/sbin/usermod -a -G usrp coder //注：以用户coder为例

优化系统性能。

sudo gedit /etc/sysctl.conf //注：在该文档末尾添加以下 3 项配置并保存：
net.core.rmem_max = 50000000
net.core.wmem_max = 1048576
kernel.shmmax = 2147483648

sudo gedit /etc/sysctl.conf //注：在该文档末尾添加以下 3 项配置并保存：

net.core.rmem_max = 50000000

net.core.wmem_max = 1048576

kernel.shmmax = 2147483648

添加实时进程权限。

sudo gedit /etc/security/limits.conf //注：在该文档末尾添加下述指令并保存：
@usrp - rtprio 50

1 2	sudo gedit /etc/security/limits.conf //注：在该文档末尾添加下述指令并保存： @usrp - rtprio 50

最后添加 usb 接口运行规则（仅当使用 USB 接口系列的 USRP 需要进行该项）。

sudo cp uhd/host/utils/uhd-usrp.rules /etc/udev/rules.d/10-usrp.rules
sudo chown root /etc/udev/rules.d/10-usrp.rules
sudo chgrp root /etc/udev/rules.d/10-usrp.rules

sudo cp uhd/host/utils/uhd-usrp.rules /etc/udev/rules.d/10-usrp.rules

sudo chown root /etc/udev/rules.d/10-usrp.rules

sudo chgrp root /etc/udev/rules.d/10-usrp.rules

至此usrp工作环境就初步搭好了。

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25 December, 2014

ubuntu14.04系统下uhd和gnuradio环境搭建