Introduction
Using SDR to create a radio is a small project that everyone starting with SDR should do; it is simple, intuitive, and easy to get started, just like “Hello World” or the blinking LED. This article will guide everyone in using the AD936X + ZYNQ platform SDR to make an SDR.
“AD9361 and Zynq and its Reference Design Description”
First, let’s introduce the hardware:
1. ZYNQ7020 + AD9364, Analog Devices AD9364- BBCZ integrated 1×1 RF Agile Transceiver™ + Xilinx Zynq XC7Z020-1CLG400I AP SoC (for digital processing)
2. Introduction to 7020:https://china.xilinx.com/support/documentation/boards_and_kits/zc702_zvik/ug850-zc702-eval-bd.pdf
3. AD9364: See the Chinese manual.
Note 1:
Some ZYNQ + AD936x solutions are basically modified versions of the official ADI’s AD-FMCOMMS [2, 3, 4, 5] –EBZ (the differences are detailed in Note 2), and all design materials can be directly utilized from the official project. At the same time, the official has also provided u-boot, kernel, and file systems for some commonly used development boards and open-source hardware; during the process, you only need to prepare an SD/FT card and a card reader. The following steps are divided into two situations: building the system on official listed hardware and hardware not listed officially;
Note 2:
|
Board |
AD936x Device |
Simultaneous Transmit/Receive |
Tx (Range) |
Rx (Range) |
Purpose |
Connector |
|
ADALM-PLUTO |
1 AD9363 |
1 x 1 |
1 (325-3800 MHz) |
1 (325-3800 MHz) |
Active learning module |
Taiwan Semiconductor Manufacturing Company |
|
ADRV9364-Z7020 |
1 AD9364 |
1 x 1 |
1 (2400-2500 MHz) |
1 (2400-2500 MHz) |
Highly integrated module system |
Taiwan Semiconductor Manufacturing Company |
|
ADRV9361-Z7035 |
1 AD9361 |
2 x 2 |
2 (2400-2500 MHz) |
2 (2400-2500 MHz) |
Highly integrated module system |
Taiwan Semiconductor Manufacturing Company |
|
AD-FMCOMMS2-EBZ |
1 AD9361 |
2 x 2 |
2 (2400-2500 MHz) |
2 (2400-2500 MHz) |
Best RF performance in a narrow range |
FMC-LPC |
|
AD-FMCOMMS3-EBZ |
1 AD9361 |
2 x 2 |
2 (70-6000 MHz) |
2 (70-6000 MHz) |
Software testing and waveform development |
FMC-LPC |
|
AD-FMCOMMS4-EBZ |
1 AD9364 |
1 x 1 |
1 (2400-2500 MHz) 1 (70-6000 MHz) |
1 (2400-2500 MHz) 1 (70-6000 MHz) |
FMC-LPC |
|
|
AD-FMCOMMS5-EBZ |
2 AD9361 |
4 x 4 |
4 (2400-2500 MHz) 4 (70-6000 MHz) |
4 (2400-2500 MHz) 4 (70-6000 MHz) |
MIMO testing platform, can synchronize in the RF domain |
2 FMC-LPC |
Official list of board applications
The officially supported boards are as follows:
|
Directory on the SD image |
|
|
1 |
socfpga_arria10_socdk_ad9172_fmc |
|
2 |
socfpga_arria10_socdk_adrv9009 |
|
3 |
socfpga_arria10_socdk_adrv9371 |
|
4 |
socfpga_arria10_socdk_daq2 |
|
5 |
socfpga_arria10_socdk_fmclidar1 |
|
6 |
socfpga_cyclone5_sockit_arradio |
|
7 |
zynq-adrv9361-z7035-bob |
|
8 |
zynq-adrv9361-z7035-bob-cmos |
|
9 |
zynq-adrv9361-z7035-fmc |
|
10 |
zynq-adrv9361-z7035-packrf |
|
11 |
zynq-adrv9364-z7020-bob |
|
12 |
zynq-adrv9364-z7020-bob-cmos |
|
13 |
zynq-adrv9364-z7020-packrf |
|
14 |
zynqmp-adrv9009-zu11eg-revb-adrv2crr-fmc-revb |
|
15 |
zynqmp-zcu102-rev10-ad9172-fmc-ebz-mode4 |
|
16 |
zynqmp-zcu102-rev10-ad9361-fmcomms2-3 |
|
17 |
zynqmp-zcu102-rev10-ad9361-fmcomms5 |
|
18 |
zynqmp-zcu102-rev10-ad9364-fmcomms4 |
|
19 |
zynqmp-zcu102-rev10-adrv9002 |
|
20 |
zynqmp-zcu102-rev10-adrv9008-1 |
|
21 |
zynqmp-zcu102-rev10-adrv9008-2 |
|
22 |
zynqmp-zcu102-rev10-adrv9009 |
|
23 |
zynqmp-zcu102-rev10-adrv9371 |
|
24 |
zynqmp-zcu102-rev10-adrv9375 |
|
25 |
zynqmp-zcu102-rev10-fmcdaq2 |
|
26 |
zynqmp-zcu102-rev10-fmcdaq3 |
|
27 |
zynqmp-zcu102-rev10-fmclidar1 |
|
28 |
zynq-zc702-adv7511 |
|
29 |
zynq-zc702-adv7511-ad9361-fmcomms2-3 |
|
30 |
zynq-zc702-adv7511-ad9361-fmcomms5 |
|
31 |
zynq-zc702-adv7511-ad9364-fmcomms4 |
|
32 |
zynq-zc706-adv7511 |
|
33 |
zynq-zc706-adv7511-ad6676-fmc |
|
34 |
zynq-zc706-adv7511-ad9172-fmc-ebz |
|
35 |
zynq-zc706-adv7511-ad9265-fmc-125ebz |
|
36 |
zynq-zc706-adv7511-ad9361-fmcomms2-3 |
|
37 |
zynq-zc706-adv7511-ad9361-fmcomms5 |
|
38 |
zynq-zc706-adv7511-ad9361-fmcomms5-ext-lo-adf5355 |
|
39 |
zynq-zc706-adv7511-ad9364-fmcomms4 |
|
40 |
zynq-zc706-adv7511-ad9434-fmc-500ebz |
|
41 |
zynq-zc706-adv7511-ad9625-fmcadc2 |
|
42 |
zynq-zc706-adv7511-ad9625-fmcadc3 |
|
43 |
zynq-zc706-adv7511-ad9739a-fmc |
|
44 |
zynq-zc706-adv7511-adrv9008-1 |
|
45 |
zynq-zc706-adv7511-adrv9008-2 |
|
46 |
zynq-zc706-adv7511-adrv9009 |
|
47 |
zynq-zc706-adv7511-adrv9371 |
|
48 |
zynq-zc706-adv7511-adrv9375 |
|
49 |
zynq-zc706-adv7511-fmcdaq2 |
|
50 |
zynq-zc706-adv7511-fmcdaq3-revC |
|
51 |
zynq-zc706-adv7511-fmcjesdadc1 |
|
52 |
zynq-zc706-adv7511-fmclidar1 |
|
53 |
zynq-zc706-adv7511-fmcomms11 |
|
54 |
zynq-zed-adv7511 |
|
55 |
zynq-zed-adv7511-ad9361-fmcomms2-3 |
|
56 |
zynq-zed-adv7511-ad9364-fmcomms4 |
|
57 |
zynq-zed-adv7511-ad9467-fmc-250ebz |
|
58 |
zynq-zed-adv7511-cn0363 |
|
59 |
zynq-zed-imageon |
Each platform introduction above will not be detailed; you can check the following website for yourself (https://wiki.analog.com/resources/tools-software/linux-software/zynq_images#preparing_the_image), supporting about 60 different combinations, which can basically cover 80% of the application scenarios in the market. Next, we will set up our application hardware.
1. Download the SD card image
The image includes U-boot, kernel, and file system.
Open the following URL:
https://wiki.analog.com/resources/tools-software/linux-software/zynq_images#preparing_the_image
Find the location in the screenshot below:
Different versions of the image files, just choose the latest one, and the downloaded file is a .xz file, which needs to be extracted under Windows, resulting in the .img file we need.
Next, prepare an SD/TF card with more than 16GB of memory and connect it to the computer via a card reader.
Prepare an SD card burning software; I prefer using Win32DiskImager. Open the software, select the downloaded .img file, and set it up as follows:
Step 1: Select the downloaded .img file;
Step 2 (optional): Check MD5 Hash, which will generate the MD5 Hash value for the selected file in Step 1, and compare it with the official value to prevent the downloaded file from being corrupted, wasting time on verification;
Step 3: Select the corresponding drive letter for the SD/TF card, be sure to verify it carefully to avoid damaging other cards;
Step 4: Click WRITE to write the file to the card;
Step 5: Wait for completion.
2. Copy files to the corresponding location
After burning, the card can only display the boot partition under Windows; first, check which files are under that partition:
Each board’s u-boot and device tree are in the corresponding folders:
Files in each folder:
The SD card also includes the kernel + u-boot environment variables
The uImage (kernel) is in the “zynq-common” folder, and it also needs to be copied to the root of the SD card, as shown in the previous image.
File system:
The file system needs to be viewed in a Linux system (WINDOWS does not support it), as follows:
Finally, in the boot partition mentioned above, copy the u-boot and device tree to the root partition of the SD card, and copy the files from the hardware platform that matches yours to the root directory of the SD card. I am using the “zynq-adrv9364-z7020-bob-cmos”, so I copied the three files shown in the image below:
Copy to the root directory of the SD card:
Just replace the original files, then modify the environment variable text as needed (default not required), connect the platform’s serial port + power on, and you can see the complete system printing information, where the serial port settings are as follows:
So far, the process of building the AD936X + ZYNQ platform using the official image is complete, and you can enjoy it now.
The next article will cover building radio applications and unofficial board applications.
– END –
ＮＯＷ现在行动！
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