GPIO access in Deo nano cyclone

Programmable Devices

CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers

GPIO access in Deo nano cyclone

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Hi all,

I am trying to access GPIO pins from deo nano board.part number 5CSEMA4U23C6.I have done the following

1. I have used the existing example qsys project where I have selected all the GPIO_0 and GPIO_1 and generated the .vhdl files.

2. then I compiled and generated the .SOF for the required part number.all the GPIO's in the Assignment editor is I/O standard.

3. Then using embedded shell using make and make uboot created the uimage(preloader).

4. I copy paste with already in the SD card which had previous default image.but is the .DTB same across??...do I need to create a new .dtb.

5. I created the .dtb and should I use a standard .v format ???

After all these still I am not able to access my GPIO's..Kindly help me out and let me know where I am wrong

Thanks in advance

Ravi chandran

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