toastedcpu Posted January 17, 2018 Share Posted January 17, 2018 Hello, Is there a real simple demo of the wishbone bus with a simple compatible soft CPU or AXI bridge, to just write to leds and read from switches? The target would be the for arty, zybo. Frank Link to comment Share on other sites More sharing options...
jpeyron Posted January 17, 2018 Share Posted January 17, 2018 Hi @toastedcpu, I have not worked with the wishbone bus. Here and here are some threads that discuss the wishbone bus. thank you, Jon Link to comment Share on other sites More sharing options...
D@n Posted January 18, 2018 Share Posted January 18, 2018 @toastedcpu, Here's a link to what I call a "special-purpose I/O" controller. It's wishbone controlled. I've used it in many of my designs, adjusting the number of LEDs buttons, or switches as necessary. It references a debouncer to handle the buttons, as well as a "Knight Rider" demo to move a lit LED back and forth just like "Kit" from the old series. If you are interested in the Arty, you might find this controller interesting. It's wishbone controlled, and controls the LED's of the Arty while also allowing you to read switches and buttons. Further, it will control the color LEDs of the Arty as well via a color LED controller also in the distro. If you are just looking for a simple description of a wishbone slave, you might find this blog post valuable. Dan Link to comment Share on other sites More sharing options...
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toastedcpu
Hello,
Is there a real simple demo of the wishbone bus with a simple compatible soft CPU or AXI bridge, to just write to leds and read from switches? The target would be the for arty, zybo.
Frank
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