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Pmod OLEDrgb problem


StefanCG

Question

Hello. Last night I tryed implementing my Pmod OLEDrgb display to work with my arty z7 20. After hard and painfull fights with this board I finally programmed the .c code and run as debug. When I did this , there was no error but I couldn*t see anything on my display. Here are some photo of my project , hope helps!

 

p1.png

p2.png

code-display.txt

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Hi @StefanCG,

Make sure you are using this tutorial here for installing the most current board files. And the most current vivado-library downloaded here. And to clarify you are using selecting the Arty-Z7-20 board files. I do not see anything else wrong with this tutorial. Also if you unplug the Arty Z7-20 and change the mode jumper JP4 to QSPI and then plug in the Arty-Z7-20. The OOB demo should  then run.

thank you,

Jon

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Hi @StefanCG,

The warning errors are not an issue. They can be ignored. What is your D drive?  Are you able to load and use this verilog XADC project here? Also make sure you are using the newest Vivado-Library and board files. The older zip folders from the tutorial you linked has the PmodOLEDrgb IP Core which had a delay issue. And to confirm when you change the mode Jumper JP4 to QSPI and the power cycle the board do you see the OOB Demo running?

thank you,

Jon

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