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Everything posted by attila
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Hi @Stephen Creswell The restrictions in the agreement are only to prohibit the use of free Digilent software with cloned hardware. There is no restriction for your application to be used without Digilent product or other products, only the Digilent provided software (application, libraries...) should be used together with Digilent hardware.
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Hi @Leo_W The DCFG_07_01_01.bin ! file should be programmed to the QSPI or copied to the SD card. The PL will be programmed only on software connection, so the PLGOOD will not light up on PS boot.
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Hi @Bnm Which WaveForms version are you using? I've just tested the AD2 calibration with WF v4.18.1 and v4.18.49 bot are working fine. Use the links to calibrate it step by step ...
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Hi @LJH See the following: adp3450.py I've added trigger for analog-in, changed analog-out to custom mode since the number of samples fits in the buffer, changed the rate and run length
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Analog Discovery 2 Linux/Python API (armhf / raspberrypi)
attila replied to towen's question in Test and Measurement
Hi @towen This seems to be an unique (hub or driver) bug in earlier versions of RPIs since it is working fine with other SBC and computers. Reducing the transfer lengths and packing reduces the IN transfer oddness on RPI. -
Hi @towen See the WF SDK: This API mostly handles raw data and processing (like measurements) need to be done in custom app/script. The API provides some functions for Network-Impedance Analysis and Spectrum/FFT processing.
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Digital Discovery Play Mode not outputting
attila replied to AlanB's question in Test and Measurement
Hi @AlanB Until this bug is solved use the following workaround, call DataSet twice, before and after Configure. FDwfDigitalOutPlayDataSet FDwfDigitalOutConfigure FDwfDigitalOutPlayDataSet -
Hi @TheStumbler Interpretation of CANFD it is not yet supported but you can probably use the existing CAN interpreter/protocol to see the raw data.
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What is the terminal impedance of the Analog Discovery 2?
attila replied to Tiffany's question in Test and Measurement
Hi @Tiffany If you are looking for the AD2 AWG output impedance, this is zero ohms: https://digilent.com/reference/test-and-measurement/analog-discovery-2/hardware-design-guide#awg_out -
Hi @SHall Probably some underlying OpenGL drivers are missing or not compatible with the 3D library.
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Continuously collecting impedance data for up to 1 hour
attila replied to Alicia865's question in Test and Measurement
Hi @Alicia865 1. This is what the above script does. 2. No, the csv files appear immediately when the script calls the export function. 3. When pressing the export menu or calling the function the current data is save, what you see is what you get. You could write a script to append data to file, see the Help tab/ Script/ File functions There are various export sources, the "Impedance Analyzer" contains all the opened views and traces. A constant frequency can also be used, like here 10s average and 60 steps will take about 10minutes, if this is what you are looking for. -
Slider adjustments in scope and wavegen
attila replied to Jklaus80211's question in Test and Measurement
Hi @Jklaus80211 In Wavegen you have the Basic mode with slider. In Scope and other interfaces the axis-scale can be used just like a slider... dragged with mouse, keyboard arrow keys, mouse wheel used, w/o Ctrl/Shift key for speed and Alt for swapping offset/range adjustment. The entry fields (combo-boxes) can be adjusted with mouse wheel. In newer beta version Ctrl/Shift key can be used for faster/slower adjustment speed. -
Hi @Kirsan The next version will add line style option for the cursors. The cursor thickness is adjusted together with the plot width option.
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Hi @DanM Have you tried specifying shorted pulse length? Like with 50MHz and 24bits the transfer length is only around 500ns.
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Continuously collecting impedance data for up to 1 hour
attila replied to Alicia865's question in Test and Measurement
Hi @Alicia865 You can use a short script to automate the export like this: // 1 hour = 60min * 60sec * 1000ms for(var i = 0, end = Date.now()+60*60*1000; end > Date.now(); i++){ Impedance.single(); if(!Impedance.wait()) break; // wait for or exit on stop print(i); Impedance.Export("~/Desktop/ia/file"+i+".csv", "Impedance Analyzer", false); } -
Sharing SDK Application on Windows
attila replied to sdourmashkin's question in Test and Measurement
Hi @sdourmashkin For MacOS the dwf.framework bundle contains WaveForms and Adept Runtimes but for Windows and Linux these can't be packaged, need to be installed in specific system path, drivers installed... So for Windows and Linux install WF which contains WF and Adept Runtimes. -
Hi @PhilipJ In Repeated and Scan capture modes the trigger position and time base adjustment will affect the next capture. In Record mode these can be configured with the Config button before Record. For search use Filter option in the View/ Event and you may can configure Hexadecimal, HexASCII, ASCII format under the UART channel properties. The next version will support triggering on up to 3 consecutive chars.
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Waveforms - SPI protocol script, support for binary notation
attila replied to Jan Petrik's question in Test and Measurement
Hi @Jan Petrik You can use parseInt(text, base) like parseInt("101", 2) The embedded JS can't be updated. -
Hi @towen In Logger the selected and checked channels are drawn. The attenuation can be specified under the gear option. Custom channels can be added under the plus button / Function. The Scope offers Math channels (function performed on each sample) and Measurements (performed on capture, on array of samples).
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Logic Detector as trigger in Scope. Is it possible?
attila replied to m72's question in Test and Measurement
Hi @m72 Thank you for the observation. It will be corrected in the next version. -
Hi @vanasupa It is probably a USB cable contact issue, try using other cable, adaptor, hub... The USB power can be monitored in the application status or Supplies tool.
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Analog Discovery 2: Can it be used to take analog to make digital TTL
attila replied to marle12's question in Test and Measurement
Hi @marle12 Reducing the frequency from the Properties tab will add maximum delay (~70ns + 0 to 1/freq) but this combined with a shift logic you can get ~70ns + (shifts-1)/freq + 0 to 1/freq Like here with 3rd DIO 70ns + 2x10us + 0..10us but you can use up to 9 or 13 DIOs (with the 4th or 7th device config) if you want. You can uncheck the "state output" option if you don't need it. -