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0x00 概览
LimeSDR部分特性：
USB 3.0 ；
4 x Tx 发射天线接口 6 x Rx 接收天线接口；
可用于Wi-Fi, GSM, UMTS, LTE, LoRa, Bluetooth, Zigbee, RFID等开发测试环境中。
RTL电视棒、HackRF、BladeRF、USRP、LimeSDR参数对比表：
HackRF One的价格，性能参数却能跟BladeRF甚至USRP媲美！
LimeSDR核心组件：
先上几张特写：
主板长10cm，算上USB接口11.5cm：
主板宽5.7cm:
相对于HackRF、BladeRF、USRP这三款主流SDR硬件（USRP mini除外），体积已经很小巧了。LimeSDR其体积实测只有一个iPhone5s的体积大小！
当插上USB供电后，除了上图显示的两颗绿色LED灯，还有一颗一闪一闪的红色LED灯也在工作。
接下来将分一键快速安装和源码编译安装来使用LimeSDR硬件，推荐使用源码编译安装。
0x01 Mac OSX
1.1 搭建开发环境
Mac OSX当中强烈推荐通过Mac Port 搭建SDR环境，配合源码编译达到最佳效果。
1.通过AppStore安装：Xcode
2.下载安装：XQuartz/X11
3.下载安装：MacPorts
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sudo port search sdr |
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sudo port install rtl-sdr hackrf bladeRF uhd gnuradio gqrx gr-osmosdr gr-fosphor |
完成之后便可从GayHub上clone源码并进行编译安装。
1.2 源码编译LimeSuite
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git clone https://github.com/myriadrf/LimeSuite.gitcd LimeSuitemkdir builddir && cd builddircmake ../make -j4sudo make install |
1.3 源码编译UHD驱动&&增加UHD对LimeSDR的支持
jocover基于UHD给LimeSDR开发了LimeSDR的驱动支持OpenUSRP，把LimeSDR来模拟成USRP B210来使用。
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git clone https://github.com/EttusResearch/uhd.gitcd uhd/host/lib/usrpgit clone https://github.com/jocover/OpenUSRP.gitecho "INCLUDE_SUBDIRECTORY(OpenUSRP)">>CMakeLists.txtcd ../../../mkdir build && cd buildcmake ..make -j4sudo make install |
1.4 添加环境变量
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echo 'export UHD_MODULE_PATH=/usr/lib/uhd/modules' >> ~/.bashrc |
如果用的是iTerm2+zsh则执行：
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echo 'export UHD_MODULE_PATH=/usr/lib/uhd/modules' >> ~/.zshrc |
1.5 检测LimeSDR模拟USRP是否成功:
LimeSDR模拟成USRP B210之后最终的效果跟USRP是一样的：
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uhd_find_devices |
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uhd_usrp_probeMac OS; Clang version 8.1.0 (clang-802.0.38); Boost_105900; UHD_003.010.001.001-MacPorts-ReleaseUsing OpenUSRP[WARNING] Gateware version mismatch! Expected gateware version 2, revision 8 But found version 2, revision 6 Follow the FW and FPGA upgrade instructions: http://wiki.myriadrf.org/Lime_Suite#Flashing_images Or run update on the command line: LimeUtil --update[INFO] Estimated reference clock 30.7195 MHz[INFO] Selected reference clock 30.720 MHz[INFO] LMS7002M cache /Users/cn0xroot/.limesuite/LMS7002M_cache_values.dbMCU algorithm time: 10 msMCU Ref. clock: 30.72 MHzMCU algorithm time: 163 msMCU algorithm time: 1 msMCU Ref. clock: 30.72 MHzMCU algorithm time: 104 msMCU algorithm time: 1 msMCU Ref. clock: 30.72 MHzMCU algorithm time: 167 msMCU algorithm time: 1 msMCU Ref. clock: 30.72 MHzMCU algorithm time: 104 ms _____________________________________________________ /| Device: B-Series Device| _____________________________________________________| /| | Mboard: B210| | revision: 4| | product: 2| | serial: 243381F| | FW Version: 3| | FPGA Version: 2.6| || | Time sources: none, internal, external| | Clock sources: internal, external| | Sensors: ref_locked| | _____________________________________________________| | /| | | RX DSP: 0| | || | | Freq range: -10.000 to 10.000 MHz| | _____________________________________________________| | /| | | RX DSP: 1| | || | | Freq range: -10.000 to 10.000 MHz| | _____________________________________________________| | /| | | RX Dboard: A| | | _____________________________________________________| | | /| | | | RX Frontend: A| | | | Name: FE-RX1| | | | Antennas: TX/RX, RX2| | | | Sensors: temp, lo_locked, rssi| | | | Freq range: 30.000 to 3800.000 MHz| | | | Gain range PGA: 0.0 to 76.0 step 1.0 dB| | | | Bandwidth range: 1000000.0 to 60000000.0 step 1.0 Hz| | | | Connection Type: IQ| | | | Uses LO offset: No| | | _____________________________________________________| | | /| | | | RX Frontend: B| | | | Name: FE-RX2| | | | Antennas: TX/RX, RX2| | | | Sensors: temp, lo_locked, rssi| | | | Freq range: 30.000 to 3800.000 MHz| | | | Gain range PGA: 0.0 to 76.0 step 1.0 dB| | | | Bandwidth range: 1000000.0 to 60000000.0 step 1.0 Hz| | | | Connection Type: IQ| | | | Uses LO offset: No| | | _____________________________________________________| | | /| | | | RX Codec: A| | | | Name: B210 RX dual ADC| | | | Gain Elements: None| | _____________________________________________________| | /| | | TX DSP: 0| | || | | Freq range: -10.000 to 10.000 MHz| | _____________________________________________________| | /| | | TX DSP: 1| | || | | Freq range: -10.000 to 10.000 MHz| | _____________________________________________________| | /| | | TX Dboard: A| | | _____________________________________________________| | | /| | | | TX Frontend: A| | | | Name: FE-TX1| | | | Antennas: TX/RX| | | | Sensors: temp, lo_locked| | | | Freq range: 30.000 to 3800.000 MHz| | | | Gain range PGA: 0.0 to 89.8 step 0.2 dB| | | | Bandwidth range: 800000.0 to 60000000.0 step 1.0 Hz| | | | Connection Type: IQ| | | | Uses LO offset: No| | | _____________________________________________________| | | /| | | | TX Frontend: B| | | | Name: FE-TX2| | | | Antennas: TX/RX| | | | Sensors: temp, lo_locked| | | | Freq range: 30.000 to 3800.000 MHz| | | | Gain range PGA: 0.0 to 89.8 step 0.2 dB| | | | Bandwidth range: 800000.0 to 60000000.0 step 1.0 Hz| | | | Connection Type: IQ| | | | Uses LO offset: No| | | _____________________________________________________| | | /| | | | TX Codec: A| | | | Name: B210 RX dual ADC| | | | Gain Elements: None➜ ~ |
1.6 捕获遥控信号
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osmocom_fft -F -f 315e6 -s 2e6 |
0x02 Ubuntu
2.1 更新软件包
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sudo add-apt-repository -y ppa:myriadrf/driverssudo apt-get updateapt-cache search sdr |
2.2 安装SDR常用软件：
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sudo apt-get updatesudo apt-get install gitsudo apt-get install python-pippip install --upgrade pippip install git+https://github.com/gnuradio/pybombs.gitpybombs recipes add gr-recipes git+https://github.com/gnuradio/gr-recipes.git pybombs recipes add gr-etcetera git+https://github.com/gnuradio/gr-etcetera.gitpybombs prefix init /usr/local -a myprefix -R gnuradio-defaultpybombs install gqrx gr-osmosdr uhd |
2.3 安装Lime_Suite所需依赖包
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#packages for soapysdr available at myriadrf PPAsudo add-apt-repository -y ppa:myriadrf/driverssudo apt-get update#install core library and build dependenciessudo apt-get install git g++ cmake libsqlite3-dev#install hardware support dependenciessudo apt-get install libsoapysdr-dev libi2c-dev libusb-1.0-0-dev#install graphics dependenciessudo apt-get install libwxgtk3.0-dev freeglut3-dev |
接下来的源码编译过程与在OSX下源码编译过程一样：
2.4 源码编译LimeSuite
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git clone https://github.com/myriadrf/LimeSuite.gitcd LimeSuitemkdir builddir && cd builddircmake ../make -j4sudo make install |
执行LimeSuiteGUI启动LimeSDR的软件图形化界面：
2.5 源码编译UHD驱动&&增加UHD对LimeSDR的支持
源码编译UHD+OpenUSRP
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git clone https://github.com/EttusResearch/uhd.gitcd uhd/host/lib/usrpgit clone https://github.com/jocover/OpenUSRP.gitecho "INCLUDE_SUBDIRECTORY(OpenUSRP)">>CMakeLists.txtcd ../../mkdir build && cd buildcmake ..make -j4sudo make installsudo ldconfig |
2.6 添加环境变量
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echo 'export UHD_MODULE_PATH=/usr/lib/uhd/modules' >> ~/.bashrc |
2.7 LimeSDR+GNURadio运行demo
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wget http://www.0xroot.cn/SDR/signal-record.grcgnuradio-companion signal-record.grc |
0x03 Reference
https://wiki.myriadrf.org/Lime_Suite
http://linuxgizmos.com/open-source-sdr-sbc-runs-snappy-ubuntu-on-cyclone-v/
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