this is NH7020 firmware projects. the NH7020 is GridRF NHSDR model, this product detail vist:http://gridrf.com/products/detail/id/12.html

• Build Instructions

 sudo apt-get install git build-essential fakeroot libncurses5-dev libssl-dev ccache
 sudo apt-get install dfu-util u-boot-tools device-tree-compiler libssl1.0-dev mtools
 sudo apt-get install bc python cpio zip unzip rsync file wget
 git clone --recursive https://github.com/gridrf/nh7020.git
 cd nh7020
 export CROSS_COMPILE=arm-linux-gnueabihf-
 export PATH=$PATH:/opt/Xilinx/SDK/2018.2/gnu/aarch32/lin/gcc-arm-linux-gnueabi/bin
 export VIVADO_SETTINGS=/opt/Xilinx/Vivado/2018.2/settings64.sh
 make