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I would like to create my custom VHDL PWM module in the FPGA
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1. Update your code so that it has an Avalon-MM interface. In the case of a PWM controller, this is likely as simple as adding a registers interface, where the registers have an Avalon-MM slave interface.
2. Create a Qsys _hw.tcl file for your component.
3. Use Qsys and the Avalon-MM master BFM to create a testbench and check that your interface works correctly.
4. Add it to a Qsys system along with the HPS bridge to the ARM core. Qsys will add the AXI-to-Avalon-MM conversion logic.
You cannot simulate AXI components without a Quartus subscription edition license and the IPS-AXIBFM models. I'd recommend sticking with Avalon-MM for now.
Cheers,
Dave
Honored Contributor
