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I can always hook it up to my usb midi controller.
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I'd recommend starting with that. However, you need to be careful with how you connect your MIDI signals to the FPGA. If the MIDI logic level is incompatible with the FPGA logic level, then you could damage either interface. Eg., if MIDI uses 5V logic levels, then you need to ensure your FPGA can receive and generate 5V levels.
Once you have the MIDI signals connected to the FPGA, you can generate MIDI commands on the PC-side of things, and use the FPGA SignalTap II logic analyzer to trace the MIDI traffic. You can then create a HDL model that generates those same waveforms and use it as the stimulus to develop a MIDI controller component (or to interface to the code you posted above).
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But do I even need the part that does the uart, using quartus for the pinouts?
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I've no idea. If you do not understand the code, and you cannot compile the code, its not worth anyone's time.
Cheers,
Dave
Honored Contributor
