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Run the Demonstration Standalone (AD7606B)
The DataStorm DAQ development kit can be run as a standalone desktop computer. This hardware configuration requires a keyboard, mouse, and HDMI monitor.
![](https://github.com/ArrowElectronics/data-storm-daq/raw/master/ad7606b/ad7606b_platform_Int_digilent_2.png)
The AD7606B Evaluation Platform in this configuration is comprised of the following components:
- Analog Devices EVAL-AD7606BFMCZ data converter board
- DataStorm DAQ (Trenz Intel® Cyclone® V SoC TEI0022 Development Board ) (includes 12VDC power supply)
- Digilent Analog Discovery 2 Signal Generator with dual outputs
- Digilent Discovery BNC adapter board
- Two (2) BNC Male to SMB Female Cables
- Monitor with HDMI input
- HDMI cable
- Keyboard and Mouse with USB connectors
- Separate Windows PC running Digilent WaveForms App
Select the SD card as the boot source for the processor.
The FMC_VADJ power rails provide power to the EVAL-AD7606BFMCZ via the FMC interface. This is an adjustable voltage. It must be set to 3.3V. Modify the VID_SW DIP switch settings to select 3.3V.
![](https://github.com/ArrowElectronics/data-storm-daq/raw/master/images/vid_sw_3p3.png)
![](https://github.com/ArrowElectronics/data-storm-daq/raw/master/images/datastorm_daq_vid_3p3.png)
Follow the steps in the order shown below.
- Insert the Micro SD card into the SD card slot
- Insert the EVAL-AD7606BFMCZ FMC connector into the FMC mating connector on the DataStorm DAQ board
- Attach the monitor to the DataStorm DAQ using an HDMI cable
- Attach the keyboard and mouse to the DataStorm DAQ using any of the 4 USB ports
- Connect the Signal Generator to the EVAL-AD7606BFMCZ SMA connectors
- Ensure that Jumper JP5 is removed, Jumper JP1 is in position A to remove standby, Jumper JP6 is in position B to get internal voltage reference on AD7606B, JP3 in position B, and Jumper JP2 is in position A to get +12V from FMC on the EVAL-AD7606BFMCZ board, for it to be powered via the FMC connector.
- Connect the power supply to the DataStorm DAQ
- Plug the AC-DC adapter into an AC outlet
The Analog Discovery 2 is used as a signal generator to drive the AD7606B input.
Install (if not already done) the Digilent WaveForms App.
Open the WaveForms App and Click on Wavegen in the left margin which opens a waveform widow
![](https://github.com/ArrowElectronics/data-storm-daq/raw/master/ad7606b/ad7606b_wavegen.png)
Click on Channels and select 1
Select Type as Sine
Select Frequency or Period
Set Amplitude to 1V
Set Offset to 0V
Click Run All
Power up the unit and wait approximately 60 seconds for the unit to be fully functional.
IIO Oscilloscope automatically launches during the Linux boot process. No further configuration is required, however the application also has a desktop icon in case the user needs to launch the application on demand.
Select a Plot Channel to be displayed in IIO Oscilloscope. Click on the check box in the Plot Channel window adjacent to voltage0. Right click on axi-ad7606-adc in the Plot Channels window. Select voltage0 and rising edge as the trigger parameters.
Select an appropriate number of Time Domain samples in the Plot Type window. Press the Capture / Stop button to begin the capture process.
Change the capture mode to Frequency Domain. Select an FFT Size and Average. Press the Capture / Stop button to begin the capture process.
Right click in the IIO Oscilloscope plot area. Select Single Tone markers. Press the Capture / Stop button to begin the capture process with markers.
Note the information in the Marker window. This capture shows a signal source of 10 khz with harmonic components.
The LibIIO library API enables access to the converter data from C code, Python code, or MATLAB. A small sample of C and Python codes are provided for the reader and can be run natively on the DataStorm DAQ.
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Open a Terminal. To do this, either double click on the 'Terminal Emulator' icon on the Desktop or type CTRL + T.
$ cd examples/python-examples $ thunar
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Review the Python source code
- Double click on the file ad7606b-fmcz.py to review in the text editor - Select your preferred channel to obtain readings from that specific channel
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Run the Python source code
$ python3 ad7606b-fmcz.py
This capture shows a signal source of 10 kHz with harmonic components.
NOTE: The following image shows the output data from Channel 0 of the 8 available channels in AD7606B. The outputs from other channels can be obtained in a similar method by defining the relevant channel number in the given source code.
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Open a Terminal. To do this, either double click on the 'Terminal Emulator' icon on the Desktop or type CTRL + T.
$ cd examples/c-examples $ thunar
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Review the C source code
- Double click on the file ad7606b-iiostream.c to review in the text editor - Select your preferred channel in the CHANNEL_NUMBER constant to obtain readings from that specific channel
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Compile the C source code (Use -liio flag to dynamically link the LibIIO libraries)
$ gcc ad7606b-iiostream.c -o ad7606b-iiostream -liio
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Run the C executable
$ ./ad7606b-iiostream
NOTE: The following image shows the output data from Channel 0 of the 8 available channels in AD7606B. The outputs from other channels can be obtained in a similar method by defining the relevant channel number in the given source code.
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Power down the target. Launch a Root Terminal by double clicking on the root terminal icon. Type the following
$ poweroff
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Wait 30 seconds and then you can safely power down the DataStorm DAQ
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